lumma | bc74cd2c8aff1c00127f1c4f503c46667e04a4fa7d26360f3eb0bdf8f607b963

General

Target

Installing_x64_x86.exe
Size

2.7MB
MD5

c4fe4039268bc1f8ea438f43977bddf0
SHA1

27be2d37413c076f6947b7c4ad3fbf328b7e4bcf
SHA256

bc74cd2c8aff1c00127f1c4f503c46667e04a4fa7d26360f3eb0bdf8f607b963
SHA512

c1c8597ee1b971f0760b65fe43ba4adca7ee6fa8a19cb0f7c54badfbfa763677cf941a1b21040697aad19cb91b148fd73c6e2cb9dc0bda1b8c14ef943cbde9e1
SSDEEP

49152:ft0WJo6iw2+BCBhyGDz7cep+/Cz3ddQn0xIpxg2Wv9SJu3lqLt2fqLt2K:SQi2E9KidQn0xIpxg2Wv9Fqt2fqt2K

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

C2

https://crib-endanger.sbs/api

https://faintbl0w.sbs/api

https://300snails.sbs/api

https://bored-light.sbs/api

https://3xc1aimbl0w.sbs/api

https://pull-trucker.sbs/api

https://fleez-inc.sbs/api

https://thicktoys.sbs/api

https://frogmen-smell.sbs/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 2096 set thread context of 2300	2096	Installing_x64_x86.exe	31

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2328	2096	WerFault.exe	30

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	Installing_x64_x86.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Installing_x64_x86.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeRestorePrivilege	2300	Installing_x64_x86.exe
Token: SeBackupPrivilege	2300	Installing_x64_x86.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2096 wrote to memory of 2300	2096	Installing_x64_x86.exe	31
PID 2096 wrote to memory of 2300	2096	Installing_x64_x86.exe	31
PID 2096 wrote to memory of 2300	2096	Installing_x64_x86.exe	31
PID 2096 wrote to memory of 2300	2096	Installing_x64_x86.exe	31
PID 2096 wrote to memory of 2300	2096	Installing_x64_x86.exe	31
PID 2096 wrote to memory of 2300	2096	Installing_x64_x86.exe	31
PID 2096 wrote to memory of 2300	2096	Installing_x64_x86.exe	31
PID 2096 wrote to memory of 2300	2096	Installing_x64_x86.exe	31
PID 2096 wrote to memory of 2300	2096	Installing_x64_x86.exe	31
PID 2096 wrote to memory of 2300	2096	Installing_x64_x86.exe	31
PID 2096 wrote to memory of 2300	2096	Installing_x64_x86.exe	31
PID 2096 wrote to memory of 2300	2096	Installing_x64_x86.exe	31
PID 2096 wrote to memory of 2300	2096	Installing_x64_x86.exe	31
PID 2096 wrote to memory of 2300	2096	Installing_x64_x86.exe	31
PID 2096 wrote to memory of 2328	2096	Installing_x64_x86.exe	32
PID 2096 wrote to memory of 2328	2096	Installing_x64_x86.exe	32
PID 2096 wrote to memory of 2328	2096	Installing_x64_x86.exe	32
PID 2096 wrote to memory of 2328	2096	Installing_x64_x86.exe	32
PID 2096 wrote to memory of 2328	2096	Installing_x64_x86.exe	32
PID 2096 wrote to memory of 2328	2096	Installing_x64_x86.exe	32
PID 2096 wrote to memory of 2328	2096	Installing_x64_x86.exe	32

C:\Users\Admin\AppData\Local\Temp\Installing_x64_x86.exe
"C:\Users\Admin\AppData\Local\Temp\Installing_x64_x86.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Users\Admin\AppData\Local\Temp\Installing_x64_x86.exe
  "C:\Users\Admin\AppData\Local\Temp\Installing_x64_x86.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2300
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2096 -s 256
  2⤵
  - Program crash
  PID:2328

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

C:\Users\Admin\AppData\Local\Temp\Cab120C.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar121F.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2300-15-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2300-7-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2300-5-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2300-14-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2300-0-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2300-12-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2300-4-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2300-11-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2300-3-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download
memory/2300-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2300-6-0x0000000000400000-0x0000000000458000-memory.dmp

Filesize
352KB

Download

Analysis

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