lumma | 2bb2c59d97f7aa971f1fcd7518fcf4331550029765b0943f84d32d5eec603760

Resubmissions

20-11-2024 05:50

241120-gjls1axken 8

20-11-2024 05:41

241120-gdrgasskd1 10

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2024 05:41

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General

Target

2/7loader.exe
Size

21KB
MD5

489d2bb73c3c5b44e0f315b2ce9381b3
SHA1

4b08586aee68bee50c1f5aaadf1afafe30743b48
SHA256

849ae339eb4480f2f3187b50c1413e187bed698b2a196e515eb219244e2e8dd8
SHA512

1eec009178f92f3d4cd6813aa17a6a55c1ddb174811cca662f709e45a23ccc5ce847238f442aa1bca7edc2e4c9865fb0f32781df5d7d7f8ca9c78190c025fdec
SSDEEP

384:V0KxGphJ6zC2eEF/dHoCkX73hDsSfkksLxG5wrNv+a2VSDSaVrr:+6zCY/+X7kpG5wrNGa2VSDSal

Score

10^/10

lumma discovery execution stealer

Malware Config

Extracted

Family

lumma

https://a1m0sph3reds.cyou/api

Signatures

Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma
Lumma family
lumma

Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3136	powershell.exe
4780	powershell.exe
2444	powershell.exe
2064	powershell.exe
456	powershell.exe
2804	powershell.exe

Downloads MZ/PE file

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	7loader.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	millowsa.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	Gxtuum.exe

Executes dropped EXE 5 IoCs

pid	Process
220	millowsa.exe
1652	Gxtuum.exe
3188	promotionforevetywere.exe
1928	Gxtuum.exe
1136	Gxtuum.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service

T1102

flow	ioc
21	raw.githubusercontent.com
22	raw.githubusercontent.com
50	raw.githubusercontent.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3188 set thread context of 4312	3188	promotionforevetywere.exe	115

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Tasks\Gxtuum.job	millowsa.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Gxtuum.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	millowsa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	promotionforevetywere.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7loader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3136	powershell.exe
3136	powershell.exe
4780	powershell.exe
4780	powershell.exe
2444	powershell.exe
2444	powershell.exe
2064	powershell.exe
2064	powershell.exe
456	powershell.exe
456	powershell.exe
2804	powershell.exe
2804	powershell.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	2424	7loader.exe
Token: SeDebugPrivilege	3136	powershell.exe
Token: SeDebugPrivilege	4780	powershell.exe
Token: SeDebugPrivilege	2444	powershell.exe
Token: SeDebugPrivilege	2064	powershell.exe
Token: SeDebugPrivilege	456	powershell.exe
Token: SeDebugPrivilege	2804	powershell.exe
Token: SeDebugPrivilege	3188	promotionforevetywere.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
220	millowsa.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 2424 wrote to memory of 3136	2424	7loader.exe	93
PID 2424 wrote to memory of 3136	2424	7loader.exe	93
PID 2424 wrote to memory of 3136	2424	7loader.exe	93
PID 3136 wrote to memory of 4780	3136	powershell.exe	97
PID 3136 wrote to memory of 4780	3136	powershell.exe	97
PID 3136 wrote to memory of 4780	3136	powershell.exe	97
PID 2424 wrote to memory of 2444	2424	7loader.exe	101
PID 2424 wrote to memory of 2444	2424	7loader.exe	101
PID 2424 wrote to memory of 2444	2424	7loader.exe	101
PID 2444 wrote to memory of 2064	2444	powershell.exe	103
PID 2444 wrote to memory of 2064	2444	powershell.exe	103
PID 2444 wrote to memory of 2064	2444	powershell.exe	103
PID 2424 wrote to memory of 456	2424	7loader.exe	104
PID 2424 wrote to memory of 456	2424	7loader.exe	104
PID 2424 wrote to memory of 456	2424	7loader.exe	104
PID 456 wrote to memory of 2804	456	powershell.exe	106
PID 456 wrote to memory of 2804	456	powershell.exe	106
PID 456 wrote to memory of 2804	456	powershell.exe	106
PID 2424 wrote to memory of 220	2424	7loader.exe	108
PID 2424 wrote to memory of 220	2424	7loader.exe	108
PID 2424 wrote to memory of 220	2424	7loader.exe	108
PID 220 wrote to memory of 1652	220	millowsa.exe	109
PID 220 wrote to memory of 1652	220	millowsa.exe	109
PID 220 wrote to memory of 1652	220	millowsa.exe	109
PID 1652 wrote to memory of 3188	1652	Gxtuum.exe	114
PID 1652 wrote to memory of 3188	1652	Gxtuum.exe	114
PID 1652 wrote to memory of 3188	1652	Gxtuum.exe	114
PID 3188 wrote to memory of 4312	3188	promotionforevetywere.exe	115
PID 3188 wrote to memory of 4312	3188	promotionforevetywere.exe	115
PID 3188 wrote to memory of 4312	3188	promotionforevetywere.exe	115
PID 3188 wrote to memory of 4312	3188	promotionforevetywere.exe	115
PID 3188 wrote to memory of 4312	3188	promotionforevetywere.exe	115
PID 3188 wrote to memory of 4312	3188	promotionforevetywere.exe	115
PID 3188 wrote to memory of 4312	3188	promotionforevetywere.exe	115
PID 3188 wrote to memory of 4312	3188	promotionforevetywere.exe	115
PID 3188 wrote to memory of 4312	3188	promotionforevetywere.exe	115
PID 3188 wrote to memory of 4312	3188	promotionforevetywere.exe	115

C:\Users\Admin\AppData\Local\Temp\2\7loader.exe
"C:\Users\Admin\AppData\Local\Temp\2\7loader.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2424
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" powershell -Command "Add-MpPreference -ExclusionPath 'C:\Reiop'"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3136
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Add-MpPreference -ExclusionPath C:\Reiop
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:4780
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" powershell -Command "Add-MpPreference -ExclusionPath 'C:\Windows'"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2444
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Add-MpPreference -ExclusionPath C:\Windows
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2064
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" powershell -Command "Add-MpPreference -ExclusionPath 'C:\Users'"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:456
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command Add-MpPreference -ExclusionPath C:\Users
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2804
- C:\Reiop\millowsa.exe
  "C:\Reiop\millowsa.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:220
- - C:\Users\Admin\AppData\Local\Temp\a121af5f66\Gxtuum.exe
    "C:\Users\Admin\AppData\Local\Temp\a121af5f66\Gxtuum.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1652
  - - C:\Users\Admin\AppData\Local\Temp\10000360101\promotionforevetywere.exe
      "C:\Users\Admin\AppData\Local\Temp\10000360101\promotionforevetywere.exe"
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3188
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:4312

C:\Users\Admin\AppData\Local\Temp\a121af5f66\Gxtuum.exe
C:\Users\Admin\AppData\Local\Temp\a121af5f66\Gxtuum.exe
1⤵
- Executes dropped EXE
PID:1928

C:\Users\Admin\AppData\Local\Temp\a121af5f66\Gxtuum.exe
C:\Users\Admin\AppData\Local\Temp\a121af5f66\Gxtuum.exe
1⤵
- Executes dropped EXE
PID:1136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Reiop\millowsa.exe

Filesize
429KB

MD5
108530f51d914a0a842bd9dc66838636

SHA1
806ca71de679d73560722f5cb036bd07241660e3

SHA256
20ad93fa1ed6b5a682d8a4c8ba681f566597689d6ea943c2605412b233f0a538

SHA512
8e1cdc49b57715b34642a55ee7a3b0cfa603e9a905d5a2a0108a7b2e3d682faec51c69b844a03088f2f4a50a7bf27feb3aabd9733853d9fb4b2ee4419261d05b

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
3d086a433708053f9bf9523e1d87a4e8

SHA1
b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

SHA256
6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

SHA512
931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
11KB

MD5
0b7198879d5714b956e2ad93bff219c2

SHA1
854f70c3b54a62e323bd1e6a6c3173644115b08f

SHA256
7ad846a9039775548b74697dd54ea0836286930ebff8da11328640811dfe9e2b

SHA512
3b441859eaee2fa87bfb03319b85e1e5366afeea5e85462eb46889ac1774315f364750ba20304c94734bff69693ca66d28669ffc457e4ec5d600a59cc9bd62f8

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
11KB

MD5
dc12e0fcb1a86c7428230cf65949f9de

SHA1
e727ff111d52df05484da6c49fe9adbfddcbf18b

SHA256
33d1998fa44bb8e99baf0d01054dba9d5d5416b29394e1dbbafb4d24550659bf

SHA512
a114f62302f4d39a44465e6fecb16415bcd86d4c32403d7a03d60334216f2518bcaf2444bacd91544aed52721ddc21a290f9403c5e3887d781ac523087f2c48c

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
11KB

MD5
e48148118cb2d58244d88fdceced43a0

SHA1
8fdda68d94f7717fe2e0916b4822a0c3540b19b7

SHA256
34ed377df387afac0cdb8dadfc51badd44e44b7a249c296b6a10fdf8ede451d4

SHA512
ecb164c3660ab42642ee72c8fd60ac210dacf4e75606ced2d5f1988d22b9c31867203def75d12c14213a42e75b18c1014cb603145f3e167e70fd19ff177296e7

Download Submit
C:\Users\Admin\AppData\Local\Temp\10000360101\promotionforevetywere.exe

Filesize
2.1MB

MD5
f350caf603d2a5e09a9a5b61b9aaed33

SHA1
3914676fe58dd9151bfc62d3cdcada4ccb1ef708

SHA256
66e449ba6fc695a7e0edfcf06e4411996250396ee281358c2f9c12b6d6f10f7d

SHA512
28474cf6044c5e76401439eadf559ac19fc329742bfbd843f8855c33bbdd0817d768d0e866c2432c966b02d55d2a72df6da52159cca852afc48a02df65f52704

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ua5bqnjo.shd.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2064-90-0x0000000071160000-0x00000000711AC000-memory.dmp

Filesize
304KB

Download
memory/2424-35-0x000000007536E000-0x000000007536F000-memory.dmp

Filesize
4KB

Download
memory/2424-36-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/2424-0-0x000000007536E000-0x000000007536F000-memory.dmp

Filesize
4KB

Download
memory/2424-2-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/2424-1-0x0000000000B20000-0x0000000000B2C000-memory.dmp

Filesize
48KB

Download
memory/2444-70-0x0000000005A30000-0x0000000005D84000-memory.dmp

Filesize
3.3MB

Download
memory/2804-122-0x0000000071160000-0x00000000711AC000-memory.dmp

Filesize
304KB

Download
memory/3136-21-0x0000000005EA0000-0x0000000005EBE000-memory.dmp

Filesize
120KB

Download
memory/3136-6-0x0000000004EF0000-0x0000000005518000-memory.dmp

Filesize
6.2MB

Download
memory/3136-8-0x0000000005590000-0x00000000055F6000-memory.dmp

Filesize
408KB

Download
memory/3136-69-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/3136-22-0x0000000006400000-0x000000000644C000-memory.dmp

Filesize
304KB

Download
memory/3136-16-0x0000000005830000-0x0000000005B84000-memory.dmp

Filesize
3.3MB

Download
memory/3136-9-0x0000000005600000-0x0000000005666000-memory.dmp

Filesize
408KB

Download
memory/3136-10-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/3136-7-0x0000000004D70000-0x0000000004D92000-memory.dmp

Filesize
136KB

Download
memory/3136-55-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/3136-4-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/3136-3-0x0000000004880000-0x00000000048B6000-memory.dmp

Filesize
216KB

Download
memory/3136-5-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/3188-186-0x0000000005460000-0x00000000055F0000-memory.dmp

Filesize
1.6MB

Download
memory/3188-183-0x0000000000540000-0x0000000000756000-memory.dmp

Filesize
2.1MB

Download
memory/3188-184-0x0000000005060000-0x00000000050FC000-memory.dmp

Filesize
624KB

Download
memory/3188-185-0x0000000005240000-0x0000000005456000-memory.dmp

Filesize
2.1MB

Download
memory/3188-187-0x0000000005000000-0x0000000005022000-memory.dmp

Filesize
136KB

Download
memory/4312-188-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4312-189-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4780-52-0x0000000006B80000-0x0000000006C23000-memory.dmp

Filesize
652KB

Download
memory/4780-53-0x0000000007500000-0x0000000007B7A000-memory.dmp

Filesize
6.5MB

Download
memory/4780-65-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/4780-61-0x0000000007200000-0x000000000721A000-memory.dmp

Filesize
104KB

Download
memory/4780-60-0x0000000007100000-0x0000000007114000-memory.dmp

Filesize
80KB

Download
memory/4780-59-0x00000000070F0000-0x00000000070FE000-memory.dmp

Filesize
56KB

Download
memory/4780-58-0x00000000070C0000-0x00000000070D1000-memory.dmp

Filesize
68KB

Download
memory/4780-57-0x0000000007140000-0x00000000071D6000-memory.dmp

Filesize
600KB

Download
memory/4780-56-0x0000000006F30000-0x0000000006F3A000-memory.dmp

Filesize
40KB

Download
memory/4780-62-0x00000000071E0000-0x00000000071E8000-memory.dmp

Filesize
32KB

Download
memory/4780-54-0x0000000006EC0000-0x0000000006EDA000-memory.dmp

Filesize
104KB

Download
memory/4780-51-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/4780-24-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/4780-50-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/4780-38-0x0000000071160000-0x00000000711AC000-memory.dmp

Filesize
304KB

Download
memory/4780-48-0x0000000006B60000-0x0000000006B7E000-memory.dmp

Filesize
120KB

Download
memory/4780-49-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/4780-37-0x0000000006B20000-0x0000000006B52000-memory.dmp

Filesize
200KB

Download
memory/4780-23-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download
memory/4780-25-0x0000000075360000-0x0000000075B10000-memory.dmp

Filesize
7.7MB

Download