lumma | e632a1a9e9c8a1492a05c5293cfce1279bd1406e619ea26ef70dfe37c0982692

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 10:54

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General

Target

e632a1a9e9c8a1492a05c5293cfce1279bd1406e619ea26ef70dfe37c0982692.exe
Size

19KB
MD5

53f9e29dc09bd5d1657128430799beed
SHA1

7960028c2c51f5cb15f94fca2c37190e720b5b00
SHA256

e632a1a9e9c8a1492a05c5293cfce1279bd1406e619ea26ef70dfe37c0982692
SHA512

4d9511bb923cd6a6b96cd85fae3d56d4946dcc99125d0dffb81973a78456179cde131f63864a20840b54e6bbdc1727ec9f7cb869a0dcf9e352ba53100b0e96bf
SSDEEP

384:ZRwzDLmCMw4mbE9EnLULXIQERC7UB4knNSVrmhy:ASCbbZwERC7UB4knNSpKy

Score

10^/10

lumma discovery execution stealer

Malware Config

Extracted

Family

lumma

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 2 IoCs

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

execution

PowerShell

T1059.001

pid	Process
2316	powershell.exe
2028	powershell.exe

Downloads MZ/PE file

Checks computer location settings 2 TTPs 1 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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	e632a1a9e9c8a1492a05c5293cfce1279bd1406e619ea26ef70dfe37c0982692.exe

Executes dropped EXE 1 IoCs

pid	Process
624	taskhost.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
17	raw.githubusercontent.com
18	raw.githubusercontent.com

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
624	taskhost.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 4 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	taskhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e632a1a9e9c8a1492a05c5293cfce1279bd1406e619ea26ef70dfe37c0982692.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2316	powershell.exe
2316	powershell.exe
2028	powershell.exe
2028	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2316	powershell.exe
Token: SeDebugPrivilege	2028	powershell.exe
Token: SeDebugPrivilege	1964	e632a1a9e9c8a1492a05c5293cfce1279bd1406e619ea26ef70dfe37c0982692.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
624	taskhost.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 2316	1964	e632a1a9e9c8a1492a05c5293cfce1279bd1406e619ea26ef70dfe37c0982692.exe	82
PID 1964 wrote to memory of 2316	1964	e632a1a9e9c8a1492a05c5293cfce1279bd1406e619ea26ef70dfe37c0982692.exe	82
PID 1964 wrote to memory of 2316	1964	e632a1a9e9c8a1492a05c5293cfce1279bd1406e619ea26ef70dfe37c0982692.exe	82
PID 1964 wrote to memory of 2028	1964	e632a1a9e9c8a1492a05c5293cfce1279bd1406e619ea26ef70dfe37c0982692.exe	84
PID 1964 wrote to memory of 2028	1964	e632a1a9e9c8a1492a05c5293cfce1279bd1406e619ea26ef70dfe37c0982692.exe	84
PID 1964 wrote to memory of 2028	1964	e632a1a9e9c8a1492a05c5293cfce1279bd1406e619ea26ef70dfe37c0982692.exe	84
PID 1964 wrote to memory of 624	1964	e632a1a9e9c8a1492a05c5293cfce1279bd1406e619ea26ef70dfe37c0982692.exe	90
PID 1964 wrote to memory of 624	1964	e632a1a9e9c8a1492a05c5293cfce1279bd1406e619ea26ef70dfe37c0982692.exe	90
PID 1964 wrote to memory of 624	1964	e632a1a9e9c8a1492a05c5293cfce1279bd1406e619ea26ef70dfe37c0982692.exe	90

C:\Users\Admin\AppData\Local\Temp\e632a1a9e9c8a1492a05c5293cfce1279bd1406e619ea26ef70dfe37c0982692.exe
"C:\Users\Admin\AppData\Local\Temp\e632a1a9e9c8a1492a05c5293cfce1279bd1406e619ea26ef70dfe37c0982692.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath 'C:\yllzfrct'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2316
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath 'C:\Users'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2028
- C:\yllzfrct\taskhost.exe
  "C:\yllzfrct\taskhost.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:624

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

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Downloads

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

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

Filesize
18KB

MD5
f76a6ae0aee6771acbf6e38951503a97

SHA1
e6c774e46eef6143b333a7a35766f771eb376c5a

SHA256
bab33f4c5dcf652a384c3e9309c61437245093ac4d18ce86a6eb218d4d72ca2d

SHA512
1fac5b506e5bd6b1b313a46b6f7395ad6206bed84cca5bfedcc8716bc9a1513374bf87395751f3c0174089d2e06fe0d215b757a60cabe52fc5b0fd9dd9043159

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fqkhoe3s.5h0.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\yllzfrct\taskhost.exe

Filesize
1.2MB

MD5
d5ae5bdbc4c65195283e5a9b357fac95

SHA1
d3f310b223cf86afdcb95b8e0a46c4b9b346bed1

SHA256
47224f57396aa4bba7f6972553e4762f0868d676cd2793107dca2478babf50e6

SHA512
c3acf4f687d16d40ef2175e1b91e2cdfb298493b4dc09d1a81bf860de4457dfeee8ef84899e5780756fc78039c54fb9000c2ed7c6de5f529e9416fec7c9863c7

Download Submit
memory/624-91-0x0000000000F50000-0x000000000130A000-memory.dmp

Filesize
3.7MB

Download
memory/624-90-0x0000000000F50000-0x000000000130A000-memory.dmp

Filesize
3.7MB

Download
memory/1964-66-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/1964-89-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/1964-2-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/1964-0-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/1964-1-0x00000000005C0000-0x00000000005CC000-memory.dmp

Filesize
48KB

Download
memory/1964-54-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/2028-79-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/2028-68-0x000000006FF20000-0x000000006FF6C000-memory.dmp

Filesize
304KB

Download
memory/2028-56-0x00000000056E0000-0x0000000005A34000-memory.dmp

Filesize
3.3MB

Download
memory/2028-55-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/2028-53-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/2028-52-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/2316-9-0x0000000004ED0000-0x0000000004F36000-memory.dmp

Filesize
408KB

Download
memory/2316-50-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/2316-36-0x0000000006E00000-0x0000000006EA3000-memory.dmp

Filesize
652KB

Download
memory/2316-38-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/2316-40-0x0000000006F20000-0x0000000006F3A000-memory.dmp

Filesize
104KB

Download
memory/2316-39-0x0000000007560000-0x0000000007BDA000-memory.dmp

Filesize
6.5MB

Download
memory/2316-41-0x0000000006F90000-0x0000000006F9A000-memory.dmp

Filesize
40KB

Download
memory/2316-42-0x00000000071A0000-0x0000000007236000-memory.dmp

Filesize
600KB

Download
memory/2316-43-0x0000000007120000-0x0000000007131000-memory.dmp

Filesize
68KB

Download
memory/2316-44-0x0000000007150000-0x000000000715E000-memory.dmp

Filesize
56KB

Download
memory/2316-45-0x0000000007160000-0x0000000007174000-memory.dmp

Filesize
80KB

Download
memory/2316-46-0x0000000007260000-0x000000000727A000-memory.dmp

Filesize
104KB

Download
memory/2316-47-0x0000000007240000-0x0000000007248000-memory.dmp

Filesize
32KB

Download
memory/2316-37-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/2316-35-0x00000000061E0000-0x00000000061FE000-memory.dmp

Filesize
120KB

Download
memory/2316-23-0x0000000006BC0000-0x0000000006BF2000-memory.dmp

Filesize
200KB

Download
memory/2316-24-0x000000006FF20000-0x000000006FF6C000-memory.dmp

Filesize
304KB

Download
memory/2316-34-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/2316-22-0x0000000005C30000-0x0000000005C7C000-memory.dmp

Filesize
304KB

Download
memory/2316-21-0x0000000005BF0000-0x0000000005C0E000-memory.dmp

Filesize
120KB

Download
memory/2316-20-0x00000000056E0000-0x0000000005A34000-memory.dmp

Filesize
3.3MB

Download
memory/2316-10-0x0000000005570000-0x00000000055D6000-memory.dmp

Filesize
408KB

Download
memory/2316-8-0x0000000004C30000-0x0000000004C52000-memory.dmp

Filesize
136KB

Download
memory/2316-7-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/2316-5-0x0000000004F40000-0x0000000005568000-memory.dmp

Filesize
6.2MB

Download
memory/2316-6-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/2316-4-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/2316-3-0x00000000022D0000-0x0000000002306000-memory.dmp

Filesize
216KB

Download