lumma | 0518c095cc948ab003cd4d12a1f95f0579c52c17f9102976b5799cd0bd85e6a2

General

Target

Loader.exe
Size

489KB
MD5

d685ae29670dbc00b6665b5511bda6cb
SHA1

2f49b83a6d7a5f9e5151c6f7f1b3fa9e6f4b25a9
SHA256

0518c095cc948ab003cd4d12a1f95f0579c52c17f9102976b5799cd0bd85e6a2
SHA512

d7705fcd8751a49cc17962ac9b6e228f55ef74aab066cabdd5de74518686feaea951487a042683ea3e055ce04e0b971b528572aac920f325fcf64d34167450de
SSDEEP

12288:uiNSSLq47oIkbTUINbTDw7j/puQ/FU5A8e2CI582g/c10/nGZj:uicGq47oDwgbTDGjxJ/2i8MI

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

C2

https://cloudewahsj.shop/api

https://rabidcowse.shop/api

https://noisycuttej.shop/api

https://tirepublicerj.shop/api

https://framekgirus.shop/api

https://wholersorie.shop/api

https://abruptyopsn.shop/api

https://nearycrepso.shop/api

Signatures

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

Loads dropped DLL 1 IoCs

pid	Process
4708	Loader.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4708 set thread context of 4908	4708	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	aspnet_regiis.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	taskmgr.exe
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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\Local Settings	taskmgr.exe

Suspicious behavior: EnumeratesProcesses 19 IoCs

pid	Process
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	1592	taskmgr.exe
Token: SeSystemProfilePrivilege	1592	taskmgr.exe
Token: SeCreateGlobalPrivilege	1592	taskmgr.exe
Token: 33	1592	taskmgr.exe
Token: SeIncBasePriorityPrivilege	1592	taskmgr.exe

Suspicious use of FindShellTrayWindow 42 IoCs

pid	Process
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe

Suspicious use of SendNotifyMessage 42 IoCs

pid	Process
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe
1592	taskmgr.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4708 wrote to memory of 4908	4708	Loader.exe	84
PID 4708 wrote to memory of 4908	4708	Loader.exe	84
PID 4708 wrote to memory of 4908	4708	Loader.exe	84
PID 4708 wrote to memory of 4908	4708	Loader.exe	84
PID 4708 wrote to memory of 4908	4708	Loader.exe	84
PID 4708 wrote to memory of 4908	4708	Loader.exe	84
PID 4708 wrote to memory of 4908	4708	Loader.exe	84
PID 4708 wrote to memory of 4908	4708	Loader.exe	84
PID 4708 wrote to memory of 4908	4708	Loader.exe	84
PID 4708 wrote to memory of 4908	4708	Loader.exe	84
PID 4708 wrote to memory of 4908	4708	Loader.exe	84
PID 4708 wrote to memory of 4908	4708	Loader.exe	84
PID 4708 wrote to memory of 4908	4708	Loader.exe	84

C:\Users\Admin\AppData\Local\Temp\Loader.exe
"C:\Users\Admin\AppData\Local\Temp\Loader.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4708
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4908

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /4
1⤵
- Checks SCSI registry key(s)
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1592

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:1808

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

C:\Users\Admin\AppData\Roaming\gdi32.dll

Filesize
428KB

MD5
36c0b5018242a87d99e2b5000dfc29ad

SHA1
d46f1ba661e3d18c8b1e7895920368e9bddbc7ae

SHA256
94cc3d303105493943c6cce20473c82eff3942515bfd73df976e802d97be78b4

SHA512
8f10af3f519e2c52539fb79ec16cd82470f25c0863b622030ed4bd59f437c9109caf46d151c18889c4939a44672339d75029c8f757cf7118e759b90355317f0a

Download Submit
memory/1592-31-0x000001C4D4A90000-0x000001C4D4A91000-memory.dmp

Filesize
4KB

Download
memory/1592-32-0x000001C4D4A90000-0x000001C4D4A91000-memory.dmp

Filesize
4KB

Download
memory/1592-21-0x000001C4D4A90000-0x000001C4D4A91000-memory.dmp

Filesize
4KB

Download
memory/1592-28-0x000001C4D4A90000-0x000001C4D4A91000-memory.dmp

Filesize
4KB

Download
memory/1592-29-0x000001C4D4A90000-0x000001C4D4A91000-memory.dmp

Filesize
4KB

Download
memory/1592-30-0x000001C4D4A90000-0x000001C4D4A91000-memory.dmp

Filesize
4KB

Download
memory/1592-33-0x000001C4D4A90000-0x000001C4D4A91000-memory.dmp

Filesize
4KB

Download
memory/1592-22-0x000001C4D4A90000-0x000001C4D4A91000-memory.dmp

Filesize
4KB

Download
memory/1592-23-0x000001C4D4A90000-0x000001C4D4A91000-memory.dmp

Filesize
4KB

Download
memory/1592-27-0x000001C4D4A90000-0x000001C4D4A91000-memory.dmp

Filesize
4KB

Download
memory/4708-7-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/4708-19-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/4708-1-0x0000000000990000-0x0000000000A10000-memory.dmp

Filesize
512KB

Download
memory/4708-0-0x0000000074DDE000-0x0000000074DDF000-memory.dmp

Filesize
4KB

Download
memory/4708-18-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/4708-20-0x0000000074DD0000-0x0000000075580000-memory.dmp

Filesize
7.7MB

Download
memory/4908-9-0x0000000000B90000-0x0000000000BFB000-memory.dmp

Filesize
428KB

Download
memory/4908-14-0x0000000000B90000-0x0000000000BFB000-memory.dmp

Filesize
428KB

Download
memory/4908-17-0x0000000000B90000-0x0000000000BFB000-memory.dmp

Filesize
428KB

Download

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Analysis

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