lumma | e3fc82016d019a3879b3ebace9b949bc38212447e3d1775e618a57ef982b41a1

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-01-2025 09:10

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General

Target

2b8bcef4db3812c27d540f4cc146879a.exe
Size

44KB
MD5

2b8bcef4db3812c27d540f4cc146879a
SHA1

fe5dba4ff84a9f4b8eb409d15c69d74bd48fe8d7
SHA256

e3fc82016d019a3879b3ebace9b949bc38212447e3d1775e618a57ef982b41a1
SHA512

1688d760b33bd4588b2f3aee94db8a32ff2fe5c390ddc1e868f101bb776e2c5055e67f6564dc66ae96d134768f31159f839e58df1669b9e2c3f9e93b712bd6cb
SSDEEP

768:Srn01NSVwafevGHkiV++I1gqDnJuuAuznQVLNvxu0BvkwIt6BcN4fehnXn:Sr01N7aeGEk+11Tu9AnQVLNppvk9RN4s

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

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
Downloads MZ/PE file

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 372 set thread context of 2200	372	2b8bcef4db3812c27d540f4cc146879a.exe	34

System Location Discovery: System Language Discovery 1 TTPs 4 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	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2b8bcef4db3812c27d540f4cc146879a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
372	2b8bcef4db3812c27d540f4cc146879a.exe
372	2b8bcef4db3812c27d540f4cc146879a.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	372	2b8bcef4db3812c27d540f4cc146879a.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 372 wrote to memory of 2296	372	2b8bcef4db3812c27d540f4cc146879a.exe	30
PID 372 wrote to memory of 2296	372	2b8bcef4db3812c27d540f4cc146879a.exe	30
PID 372 wrote to memory of 2296	372	2b8bcef4db3812c27d540f4cc146879a.exe	30
PID 372 wrote to memory of 2296	372	2b8bcef4db3812c27d540f4cc146879a.exe	30
PID 2296 wrote to memory of 2420	2296	csc.exe	32
PID 2296 wrote to memory of 2420	2296	csc.exe	32
PID 2296 wrote to memory of 2420	2296	csc.exe	32
PID 2296 wrote to memory of 2420	2296	csc.exe	32
PID 372 wrote to memory of 2708	372	2b8bcef4db3812c27d540f4cc146879a.exe	33
PID 372 wrote to memory of 2708	372	2b8bcef4db3812c27d540f4cc146879a.exe	33
PID 372 wrote to memory of 2708	372	2b8bcef4db3812c27d540f4cc146879a.exe	33
PID 372 wrote to memory of 2708	372	2b8bcef4db3812c27d540f4cc146879a.exe	33
PID 372 wrote to memory of 2708	372	2b8bcef4db3812c27d540f4cc146879a.exe	33
PID 372 wrote to memory of 2708	372	2b8bcef4db3812c27d540f4cc146879a.exe	33
PID 372 wrote to memory of 2708	372	2b8bcef4db3812c27d540f4cc146879a.exe	33
PID 372 wrote to memory of 2200	372	2b8bcef4db3812c27d540f4cc146879a.exe	34
PID 372 wrote to memory of 2200	372	2b8bcef4db3812c27d540f4cc146879a.exe	34
PID 372 wrote to memory of 2200	372	2b8bcef4db3812c27d540f4cc146879a.exe	34
PID 372 wrote to memory of 2200	372	2b8bcef4db3812c27d540f4cc146879a.exe	34
PID 372 wrote to memory of 2200	372	2b8bcef4db3812c27d540f4cc146879a.exe	34
PID 372 wrote to memory of 2200	372	2b8bcef4db3812c27d540f4cc146879a.exe	34
PID 372 wrote to memory of 2200	372	2b8bcef4db3812c27d540f4cc146879a.exe	34
PID 372 wrote to memory of 2200	372	2b8bcef4db3812c27d540f4cc146879a.exe	34
PID 372 wrote to memory of 2200	372	2b8bcef4db3812c27d540f4cc146879a.exe	34
PID 372 wrote to memory of 2200	372	2b8bcef4db3812c27d540f4cc146879a.exe	34
PID 372 wrote to memory of 2200	372	2b8bcef4db3812c27d540f4cc146879a.exe	34
PID 372 wrote to memory of 2200	372	2b8bcef4db3812c27d540f4cc146879a.exe	34
PID 372 wrote to memory of 2200	372	2b8bcef4db3812c27d540f4cc146879a.exe	34
PID 372 wrote to memory of 2200	372	2b8bcef4db3812c27d540f4cc146879a.exe	34

C:\Users\Admin\AppData\Local\Temp\2b8bcef4db3812c27d540f4cc146879a.exe
"C:\Users\Admin\AppData\Local\Temp\2b8bcef4db3812c27d540f4cc146879a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:372
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\rwv5n0om\rwv5n0om.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2296
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESB74E.tmp" "c:\Users\Admin\AppData\Local\Temp\rwv5n0om\CSC5CACCB71E4D64490AEFE5A44B42F837.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2420
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\RegAsm.exe"
  2⤵
  PID:2708
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\\Windows\\Microsoft.NET\\Framework\\v4.0.30319\\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2200

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\CabF604.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESB74E.tmp

Filesize
1KB

MD5
0a945ac4fc390231eed3a6f4d7dc9bbb

SHA1
c5820ccaba9c0289a7bb947d58949fd6b2d54a94

SHA256
9a29cf3257fc374c2a6c9342e119a4530b644f181a45f8e62e6d5c9e4833a727

SHA512
fcf9131c07e725267c1d061f310af51415a340eba1ace56e68ef3cd4e1acbff146175f8f1bae848a244ea4d05baf540802854e3dc343826cc9f1335542119612

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarF636.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Local\Temp\rwv5n0om\rwv5n0om.dll

Filesize
8KB

MD5
e63b7506c8d2457f7bfa104197985dcb

SHA1
b4cbac1224e9f24cbe4ed4755b769e677311cb46

SHA256
1c3d70667b9ec1857b213ded22b047b621e00477ec11e92589677d92c3eafbb5

SHA512
c73028d9b632f5fb68ea3bcc7c258cc74967c4a7b330dfab2d309c3f514e81ad1474b9e0f7f7a5c9d41d1f4eda34a2a9ff9e09c086c86a223d85b2a75f5336cd

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\rwv5n0om\CSC5CACCB71E4D64490AEFE5A44B42F837.TMP

Filesize
652B

MD5
b49e6bfb69ff3e27da63c3b6aff3527a

SHA1
ff38f727746810ac94601f3fe82f845b3fec8450

SHA256
92ea652685a912553d7e2ded052d21a4c17e8e9085f33c1a1414afc616afe25b

SHA512
e0312c5c86026a458b141764f9ee08fd1e66d72c6a761e3c8bb74041372414a514c696b7161402b2332bc8c40b605a014429d80d88a57ce80684c5092ccf3f1b

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\rwv5n0om\rwv5n0om.0.cs

Filesize
10KB

MD5
b022c6fe4494666c8337a975d175c726

SHA1
8197d4a993e7547d19d7b067b4d28ebe48329793

SHA256
d02016a307b3e8da1a80c29551d44c17358910816e992bc1b53da006d62dd56a

SHA512
df670235e87b1ee957086be88731b458c28629e65e052276dd543be273030986a7e5c67fa83587f68ec06fa0f33b0c3f1f041c2d06073709b340f96c3884f2b9

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\rwv5n0om\rwv5n0om.cmdline

Filesize
204B

MD5
f083201df20bb9c70360d65ffa1d0abb

SHA1
869af12ba3e0040c61f0b749820151cc421c0fec

SHA256
f2c3955db9e3a7550684f99b09ea7ee0f28a8ca864c9281f4e3c6fee7d42cf63

SHA512
24aa77169352ade72cac8a32ba1ab190dbaa45eaf64ad8346805488890a33236b74e6612cd4cf83f3092673ac2aa2038abc77eba4d24286b66a59a26e15d672d

Download Submit
memory/372-31-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/372-15-0x0000000000520000-0x0000000000528000-memory.dmp

Filesize
32KB

Download
memory/372-1-0x0000000001000000-0x0000000001012000-memory.dmp

Filesize
72KB

Download
memory/372-0-0x000000007470E000-0x000000007470F000-memory.dmp

Filesize
4KB

Download
memory/372-2-0x0000000074700000-0x0000000074DEE000-memory.dmp

Filesize
6.9MB

Download
memory/2200-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2200-27-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2200-29-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2200-25-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2200-23-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2200-22-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2200-19-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2200-18-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2200-32-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download
memory/2200-21-0x0000000000400000-0x0000000000456000-memory.dmp

Filesize
344KB

Download