lumma | 492c123dedeeb490b4b7b45cdcae600e057bd941cff37e9e4f021b94ccdd2e54

General

Target
tmp6yr6c7ig.exe
Size 1.3MB
Sample260601-vbexdact3p
SHA256 492c123dedeeb490b4b7b45cdcae600e057bd941cff37e9e4f021b94ccdd2e54
MD5 6c08dc8247bf3c4b1df63a50f82b6e36
SHA1 4f1441f45ec205e77a0d19cc63b031755de41f31
SHA512 5ad7b5dff75a5484c29346ae887f1232379e067fa92a7caaf0d1ecd79ce063a58fc2e51c990fca1bb7911335d4f912f0ecb7daa9d7feb92a53cdd7cff7a19989
SSDEEP 24576:Ib48UTJeeQ3mnKbXj0cZYlGT27e8nMrXZ18tIdApl:IbiTJeX3mnKbXj0cZ+Gq7vnMrXZ1An
TLSH
T1B555D191E0C39093FB9360B0332DD09D6826EBE3E71D0DDB5168E72855AAEDB057712B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery lumma spyware stealer trojan

Malware Config

Extracted

Family

lumma

C2

https://tamedgeesy.sbs/api
https://relalingj.sbs/api
https://rottieud.sbs/api
https://brownieyuz.sbs/api
https://explainvees.sbs/api
https://ducksringjk.sbs/api
https://thinkyyokej.sbs/api
https://repostebhu.sbs/api
https://pragapin.sbs/api

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2288 set thread context of 2636	2288	tmp6yr6c7ig.exe	87

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4048	2288	WerFault.exe	85

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	tmp6yr6c7ig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp6yr6c7ig.exe

Modifies system certificate store 2 TTPs 3 IoCs

defense_evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	tmp6yr6c7ig.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	tmp6yr6c7ig.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	tmp6yr6c7ig.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 2636	2288	tmp6yr6c7ig.exe	87
PID 2288 wrote to memory of 2636	2288	tmp6yr6c7ig.exe	87
PID 2288 wrote to memory of 2636	2288	tmp6yr6c7ig.exe	87
PID 2288 wrote to memory of 2636	2288	tmp6yr6c7ig.exe	87
PID 2288 wrote to memory of 2636	2288	tmp6yr6c7ig.exe	87
PID 2288 wrote to memory of 2636	2288	tmp6yr6c7ig.exe	87
PID 2288 wrote to memory of 2636	2288	tmp6yr6c7ig.exe	87

C:\Users\Admin\AppData\Local\Temp\tmp6yr6c7ig.exe
"C:\Users\Admin\AppData\Local\Temp\tmp6yr6c7ig.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Users\Admin\AppData\Local\Temp\tmp6yr6c7ig.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp6yr6c7ig.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies system certificate store
  PID:2636
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2288 -s 292
  2⤵
  - Program crash
  PID:4048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2288 -ip 2288
1⤵
PID:1200

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

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

7AD406287E052ECAB43951C39E0CDBF1

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7AD406287E052ECAB43951C39E0CDBF1
Size 1KB
SHA256 c1ad7778796d20bca65c889a2655021156528bb62ff5fa43e1b8e5a83e3d2eaa
MD5 9070fa51e00d8cf8ce1baefdd016487e
SHA1 626d44e704d1ceabe3bf0d53397464ac8080142c
SHA512 4b12cf7daf4a8a9b68e74d4691cee32fc93803ace42e5f380f81ae9dbd4820db82ab6ad43aa50f59ff077f3781cb324b31bc8177a83cea8ec340b77cf1ae7593
TLSH
T15D2195D5CE502D019E1A9E6532C8617B9BB122887318C8E38597C86247513E266F46FF
MD5 SHA1 SHA512 TLSH

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7AD406287E052ECAB43951C39E0CDBF1

Path C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7AD406287E052ECAB43951C39E0CDBF1
Size 268B
SHA256 4e930a174e235e27bb7787039979ffa2bc61f428b1390b372e34529d57cd5818
MD5 f26bf0ecfc8456aee79d0677d2a11c5e
SHA1 0060d712db8ccaf4b01252a72c094f2de074cbc5
SHA512 e72c7e5fd0414638ab65032539d2cb621740ae6d2030f5c464847cf59fa069a4bfef9c21b7b07c2588628e20b6a5de6caab34992f90cf8ab645cd29879b0df5f
TLSH
T144D0800D73E5571AF293907E963193436D11F3905042CF0D00F0104E1431F435D70D1D
MD5 SHA1 SHA512 TLSH

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memory/2288-0-0x0000000000852000-0x0000000000853000-memory.dmp

Download

memory/2636-1-0x0000000000400000-0x0000000000457000-memory.dmp

Download

memory/2636-3-0x0000000000400000-0x0000000000457000-memory.dmp

Download

memory/2636-4-0x0000000000750000-0x00000000008A7000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads