lumma | 2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4

General

Target

2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe
Size

356KB
MD5

b924184a8cb30dc7fe2cd123ad01f9f6
SHA1

cd17290b83fa1929c10d22d10ea4dbbeb04598df
SHA256

2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4
SHA512

93aa6410cb432e77a05d0f40e016c94376bd0f2c0c83a8cf38b2720529b9858644bb581c28eb07e4d17b851ab6aad090e6e8dbef6cfdc5b77874343baef9c377
SSDEEP

6144:VvkxvJ/ERkS80GQ22speQuMyRNDXtetrJBq5Y5f19Blms5HU7I3JJ4vnv:ZkxxMuS8Z2sppu/RudJBN5dpp07I3H43

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

https://fancywaxxers.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

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral1/memory/2316-1-0x00000000001D0000-0x0000000000230000-memory.dmp	net_reactor

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2316 set thread context of 2800	2316	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	32

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2180	2316	WerFault.exe	29

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	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 2784	2316	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	31
PID 2316 wrote to memory of 2784	2316	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	31
PID 2316 wrote to memory of 2784	2316	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	31
PID 2316 wrote to memory of 2784	2316	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	31
PID 2316 wrote to memory of 2800	2316	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	32
PID 2316 wrote to memory of 2800	2316	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	32
PID 2316 wrote to memory of 2800	2316	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	32
PID 2316 wrote to memory of 2800	2316	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	32
PID 2316 wrote to memory of 2800	2316	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	32
PID 2316 wrote to memory of 2800	2316	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	32
PID 2316 wrote to memory of 2800	2316	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	32
PID 2316 wrote to memory of 2800	2316	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	32
PID 2316 wrote to memory of 2800	2316	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	32
PID 2316 wrote to memory of 2800	2316	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	32
PID 2316 wrote to memory of 2180	2316	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	33
PID 2316 wrote to memory of 2180	2316	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	33
PID 2316 wrote to memory of 2180	2316	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	33
PID 2316 wrote to memory of 2180	2316	2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe	33

C:\Users\Admin\AppData\Local\Temp\2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe
"C:\Users\Admin\AppData\Local\Temp\2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2316
- C:\Users\Admin\AppData\Local\Temp\2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe
  "C:\Users\Admin\AppData\Local\Temp\2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe"
  2⤵
  PID:2784
- C:\Users\Admin\AppData\Local\Temp\2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe
  "C:\Users\Admin\AppData\Local\Temp\2bc1ef0c42eb983ae1ef7f78f090e975b286baa80c1dca4af47fe17f4b03e7d4.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2800
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2316 -s 508
  2⤵
  - Program crash
  PID:2180

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\Cab45C9.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar4687.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2316-0-0x0000000073D1E000-0x0000000073D1F000-memory.dmp

Filesize
4KB

Download
memory/2316-1-0x00000000001D0000-0x0000000000230000-memory.dmp

Filesize
384KB

Download
memory/2316-51-0x0000000073D10000-0x00000000743FE000-memory.dmp

Filesize
6.9MB

Download
memory/2316-15-0x0000000073D10000-0x00000000743FE000-memory.dmp

Filesize
6.9MB

Download
memory/2800-9-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2800-8-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2800-5-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2800-4-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2800-7-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2800-16-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2800-10-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/2800-14-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/2800-12-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download

Analysis

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