lumma | 47b71556865351eaf445aaba6a0c6fd53322d8294ea2da5be78d184ce746ff3f

General

Target

protocol.ps1
Size

638B
MD5

438bdde142d374368c77b97a7a1561c6
SHA1

de1663c0d3760ed9c012610a85e58d21d2af90ca
SHA256

47b71556865351eaf445aaba6a0c6fd53322d8294ea2da5be78d184ce746ff3f
SHA512

86663e3284b95dd235417fee177bbc9e519abd05ae7cc03eab34b814e34a82fb8cb30939ba4bfa357ea70644a9504248514d951736d6de591668d6136dac9fba

Score

10^/10

lumma discovery execution stealer

Malware Config

Extracted

Family

lumma

C2

https://stopruthless.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

Blocklisted process makes network request 7 IoCs

flow	pid	Process
5	4356	powershell.exe
44	432	msiexec.exe
47	432	msiexec.exe
50	432	msiexec.exe
56	432	msiexec.exe
60	432	msiexec.exe
63	432	msiexec.exe

Executes dropped EXE 1 IoCs

pid	Process
2424	222.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2424 set thread context of 996	2424	222.exe	92

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4356	powershell.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	more.com
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msiexec.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4356	powershell.exe
4356	powershell.exe
2424	222.exe
2424	222.exe
996	more.com
996	more.com

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2424	222.exe
996	more.com

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4356	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2424	222.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4356 wrote to memory of 2424	4356	powershell.exe	85
PID 4356 wrote to memory of 2424	4356	powershell.exe	85
PID 2424 wrote to memory of 996	2424	222.exe	92
PID 2424 wrote to memory of 996	2424	222.exe	92
PID 2424 wrote to memory of 996	2424	222.exe	92
PID 2424 wrote to memory of 996	2424	222.exe	92
PID 996 wrote to memory of 432	996	more.com	105
PID 996 wrote to memory of 432	996	more.com	105
PID 996 wrote to memory of 432	996	more.com	105
PID 996 wrote to memory of 432	996	more.com	105
PID 996 wrote to memory of 432	996	more.com	105

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\protocol.ps1
1⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4356
- C:\Users\Admin\AppData\Roaming\Extract_9842\222.exe
  "C:\Users\Admin\AppData\Roaming\Extract_9842\222.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2424
- - C:\Windows\SysWOW64\more.com
    C:\Windows\SysWOW64\more.com
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:996
  - - C:\Windows\SysWOW64\msiexec.exe
      C:\Windows\SysWOW64\msiexec.exe
      4⤵
      Blocklisted process makes network request
      System Location Discovery: System Language Discovery
      PID:432

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ln4vqetz.2bt.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\f3d46619

Filesize
1.2MB

MD5
5a75f659ffc75a302f528fe7081777ad

SHA1
88bd1061283e27f2c9dfa059c724f741e92a05a4

SHA256
6c2ed09d1333bab38fa4380b22ecb5149b3dd361b694217402264b121c4cf7f8

SHA512
fdf08ed9a66d2c01f9b998477ec416c7000afc777826b0ea022f62bc521a53b1f09f724b0def1f2347a5d3a4c4d5229fdeaef35bccc44176c162e46dbfe858d3

Download Submit
C:\Users\Admin\AppData\Local\Temp\fb967c5f

Filesize
1022KB

MD5
cf3a44628ecccc91eb9bffb2cf7e1fc1

SHA1
5aff6da1414529fa3626406df19989e9caa40a4e

SHA256
34d461e0e289e9aac1c4c2072e58f7d21df8b8bcb0ebddac810be444be4909de

SHA512
6cc3553b23657ebe161cda678c0ade78001e2410e7885f2ae87ac49a73d17b57a21381d49158436931180bd35810a9453006981782e49bf24f3aeaada8f30075

Download Submit
C:\Users\Admin\AppData\Roaming\Extract_9842\222.exe

Filesize
11.0MB

MD5
b3450f42aa8c6ed0aaca0be210da8d0a

SHA1
eeeaea9f807d1c99bc41f6600fe7b7acda8de22d

SHA256
bbceb39ab4cd6bdcb75169c0010a72be880f071728c270f31e22ab7cf28adf2b

SHA512
00749482865dca1429d6fbfea7642d89432d617e6523c3f1c70c9e23434b74452a775c38b0581f767575593b2f35a0385fbd12b2f0cbfd324bddd9494be054ae

Download Submit
memory/432-61-0x00000000001C0000-0x00000000001D2000-memory.dmp

Filesize
72KB

Download
memory/432-60-0x0000000000D90000-0x0000000000DEB000-memory.dmp

Filesize
364KB

Download
memory/432-59-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

Filesize
2.0MB

Download
memory/432-58-0x0000000000D90000-0x0000000000DEB000-memory.dmp

Filesize
364KB

Download
memory/996-54-0x0000000075AA0000-0x0000000075C1B000-memory.dmp

Filesize
1.5MB

Download
memory/996-53-0x00007FFB43BD0000-0x00007FFB43DC5000-memory.dmp

Filesize
2.0MB

Download
memory/2424-47-0x0000000001BB0000-0x0000000001BB1000-memory.dmp

Filesize
4KB

Download
memory/2424-49-0x00007FFB30B80000-0x00007FFB30CF2000-memory.dmp

Filesize
1.4MB

Download
memory/2424-37-0x0000000001BB0000-0x0000000001BB1000-memory.dmp

Filesize
4KB

Download
memory/2424-38-0x0000000000AD0000-0x0000000001438000-memory.dmp

Filesize
9.4MB

Download
memory/2424-46-0x00007FFB30B80000-0x00007FFB30CF2000-memory.dmp

Filesize
1.4MB

Download
memory/2424-44-0x00007FFB30B80000-0x00007FFB30CF2000-memory.dmp

Filesize
1.4MB

Download
memory/2424-45-0x00007FFB30B99000-0x00007FFB30B9A000-memory.dmp

Filesize
4KB

Download
memory/4356-35-0x00007FFB25740000-0x00007FFB26201000-memory.dmp

Filesize
10.8MB

Download
memory/4356-0-0x00007FFB25743000-0x00007FFB25745000-memory.dmp

Filesize
8KB

Download
memory/4356-36-0x00007FFB25740000-0x00007FFB26201000-memory.dmp

Filesize
10.8MB

Download
memory/4356-29-0x00007FFB25743000-0x00007FFB25745000-memory.dmp

Filesize
8KB

Download
memory/4356-16-0x00000196B1260000-0x00000196B1272000-memory.dmp

Filesize
72KB

Download
memory/4356-15-0x00000196AED70000-0x00000196AED7A000-memory.dmp

Filesize
40KB

Download
memory/4356-13-0x00007FFB25740000-0x00007FFB26201000-memory.dmp

Filesize
10.8MB

Download
memory/4356-12-0x00007FFB25740000-0x00007FFB26201000-memory.dmp

Filesize
10.8MB

Download
memory/4356-11-0x00007FFB25740000-0x00007FFB26201000-memory.dmp

Filesize
10.8MB

Download
memory/4356-1-0x00000196AED40000-0x00000196AED62000-memory.dmp

Filesize
136KB

Download

Analysis

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