lumma | 0f6481dabf7871823f259eb95f3b85c37d1de8a7d1884ac77a97d887cf96f75d

General

Target

Loader.exe
Size

393KB
MD5

3c4161be295e9e9d019ce68dae82d60a
SHA1

36447fc6418e209dff1bb8a5e576f4d46e3b3296
SHA256

0f6481dabf7871823f259eb95f3b85c37d1de8a7d1884ac77a97d887cf96f75d
SHA512

cfa2d491a5d28beb8eb908d5af61254ac4c4c88e74c53d5d00ae15ef0731df1654304199996545d1074814c0ea8a032957b28d70774f05347616428e667f70e6
SSDEEP

12288:ndoOphZgRZGJZzu/aeZjl5FeBTCVpgTfR:ndl/QZGTuHhjFe1C3gt

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

C2

https://sordid-snaked.cyou/api

https://awake-weaves.cyou/api

https://wrathful-jammy.cyou/api

https://debonairnukk.xyz/api

https://diffuculttan.xyz/api

https://effecterectz.xyz/api

https://deafeninggeh.biz/api

https://immureprech.biz/api

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 532 set thread context of 1208	532	Loader.exe	84

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	Loader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Loader.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000	taskmgr.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3760	taskmgr.exe
Token: SeSystemProfilePrivilege	3760	taskmgr.exe
Token: SeCreateGlobalPrivilege	3760	taskmgr.exe

Suspicious use of FindShellTrayWindow 19 IoCs

pid	Process
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe

Suspicious use of SendNotifyMessage 19 IoCs

pid	Process
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe
3760	taskmgr.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 532 wrote to memory of 1208	532	Loader.exe	84
PID 532 wrote to memory of 1208	532	Loader.exe	84
PID 532 wrote to memory of 1208	532	Loader.exe	84
PID 532 wrote to memory of 1208	532	Loader.exe	84
PID 532 wrote to memory of 1208	532	Loader.exe	84
PID 532 wrote to memory of 1208	532	Loader.exe	84
PID 532 wrote to memory of 1208	532	Loader.exe	84
PID 532 wrote to memory of 1208	532	Loader.exe	84
PID 532 wrote to memory of 1208	532	Loader.exe	84
PID 532 wrote to memory of 1208	532	Loader.exe	84

C:\Users\Admin\AppData\Local\Temp\Loader.exe
"C:\Users\Admin\AppData\Local\Temp\Loader.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:532
- C:\Users\Admin\AppData\Local\Temp\Loader.exe
  "C:\Users\Admin\AppData\Local\Temp\Loader.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1208

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /0
1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:3760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

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

memory/532-0-0x0000000000D4A000-0x0000000000D4B000-memory.dmp

Filesize
4KB

Download
memory/1208-1-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1208-3-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/1208-4-0x0000000000D30000-0x0000000000D98000-memory.dmp

Filesize
416KB

Download
memory/3760-5-0x0000020531320000-0x0000020531321000-memory.dmp

Filesize
4KB

Download
memory/3760-6-0x0000020531320000-0x0000020531321000-memory.dmp

Filesize
4KB

Download
memory/3760-7-0x0000020531320000-0x0000020531321000-memory.dmp

Filesize
4KB

Download
memory/3760-17-0x0000020531320000-0x0000020531321000-memory.dmp

Filesize
4KB

Download
memory/3760-16-0x0000020531320000-0x0000020531321000-memory.dmp

Filesize
4KB

Download
memory/3760-15-0x0000020531320000-0x0000020531321000-memory.dmp

Filesize
4KB

Download
memory/3760-14-0x0000020531320000-0x0000020531321000-memory.dmp

Filesize
4KB

Download
memory/3760-13-0x0000020531320000-0x0000020531321000-memory.dmp

Filesize
4KB

Download
memory/3760-12-0x0000020531320000-0x0000020531321000-memory.dmp

Filesize
4KB

Download
memory/3760-11-0x0000020531320000-0x0000020531321000-memory.dmp

Filesize
4KB

Download

Analysis

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