lumma | e4b210caea4432928727e860786c36e5ef6ecacced4b00374a049342d4b62183

Analysis

max time kernel
291s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-01-2025 09:36

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General

Target

vcpkgsrv.exe
Size

1.4MB
MD5

38901633c833cba7f682472ced0dbe4b
SHA1

0c11a1ac834d2b270ba60f3605109933ca11a7f0
SHA256

a5c5487194f761dac90e178c9c1753c0f47b041f3168b5c23a587f33f69e5089
SHA512

70d71197c68c9a92883c482aee76978e2a01e785be6fb3b6082369e25d991d3e03d8467e11d87493e54f5a3dc4bcd59fa588f0fabe5f6fdcf3361de95cb471c1
SSDEEP

24576:gLikjHtEvSKi9Q8K8Nj99HxJ+EbUUbnI11f4wuTLoYHTkPQ4JD7eK:gukT+SpRKaJb0f4wrCSP

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

https://babbebange.cyou/api

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
2856	vcpkgsrv.exe

Loads dropped DLL 6 IoCs

pid	Process
2664	vcpkgsrv.exe
2664	vcpkgsrv.exe
2856	vcpkgsrv.exe
2856	vcpkgsrv.exe
2856	vcpkgsrv.exe
2856	vcpkgsrv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2856 set thread context of 2576	2856	vcpkgsrv.exe	31

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	vcpkgsrv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vcpkgsrv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
2664	vcpkgsrv.exe
2856	vcpkgsrv.exe
2856	vcpkgsrv.exe
2576	cmd.exe
2576	cmd.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2856	vcpkgsrv.exe
2576	cmd.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2664 wrote to memory of 2856	2664	vcpkgsrv.exe	30
PID 2664 wrote to memory of 2856	2664	vcpkgsrv.exe	30
PID 2664 wrote to memory of 2856	2664	vcpkgsrv.exe	30
PID 2664 wrote to memory of 2856	2664	vcpkgsrv.exe	30
PID 2856 wrote to memory of 2576	2856	vcpkgsrv.exe	31
PID 2856 wrote to memory of 2576	2856	vcpkgsrv.exe	31
PID 2856 wrote to memory of 2576	2856	vcpkgsrv.exe	31
PID 2856 wrote to memory of 2576	2856	vcpkgsrv.exe	31
PID 2856 wrote to memory of 2576	2856	vcpkgsrv.exe	31
PID 2576 wrote to memory of 2584	2576	cmd.exe	33
PID 2576 wrote to memory of 2584	2576	cmd.exe	33
PID 2576 wrote to memory of 2584	2576	cmd.exe	33
PID 2576 wrote to memory of 2584	2576	cmd.exe	33
PID 2576 wrote to memory of 2584	2576	cmd.exe	33
PID 2576 wrote to memory of 2584	2576	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\vcpkgsrv.exe
"C:\Users\Admin\AppData\Local\Temp\vcpkgsrv.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2664
- C:\Users\Admin\AppData\Roaming\debugclientFBJ_test\vcpkgsrv.exe
  C:\Users\Admin\AppData\Roaming\debugclientFBJ_test\vcpkgsrv.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2856
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\SysWOW64\cmd.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: MapViewOfSection
    - Suspicious use of WriteProcessMemory
    PID:2576
  - - C:\Windows\SysWOW64\explorer.exe
      C:\Windows\SysWOW64\explorer.exe
      4⤵
      System Location Discovery: System Language Discovery
      PID:2584

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\2d288886

Filesize
1.0MB

MD5
6821df4e0cae5aca51cb49ce74e950ed

SHA1
0556f02a6d951517ba7eb208005962083c99eb68

SHA256
cabdd1642960ca386773f8ac43e5118387e68b7fe141697759bb938159e12492

SHA512
778f67ba005d2f1fa5f437c28121df55d0e33b028e5fcb69ef9170a1d2d034f940537b6becf796a68e1d62cd2d63426f78f80988f3fefd26603e2b737fde2fe7

Download Submit
C:\Users\Admin\AppData\Roaming\debugclientFBJ_test\CONCRT140.dll

Filesize
254KB

MD5
f36dae6ea00f102b60a5011af0732123

SHA1
06fabdbf1fa14b5a637716f9f7a28c95ea4a8661

SHA256
0a3894dd420ed6b4c7ebbde463dbbde69cdb032e290b1c86c21ccdaa4da95526

SHA512
c585e25ac9d733ca82d36d4cee0fa5f7d34a0455c359e010c501d1474c612bc73429093ba302ae14222d7e3a89d5b11777529b3005c7c0966aff06c92c7cce12

Download Submit
C:\Users\Admin\AppData\Roaming\debugclientFBJ_test\MSVCP140.dll

Filesize
437KB

MD5
dc739066c9d0ca961cba2f320cade28e

SHA1
81ed5f7861e748b90c7ae2d18da80d1409d1fa05

SHA256
74e9268a68118bb1ac5154f8f327887715960ccc37ba9dabbe31ecd82dcbaa55

SHA512
4eb181984d989156b8703fd8bb8963d7a5a3b7f981fe747c6992993b7a1395a21f45dbedf08c1483d523e772bdf41330753e1771243b53da36d2539c01171cf1

Download Submit
C:\Users\Admin\AppData\Roaming\debugclientFBJ_test\VCRUNTIME140.dll

Filesize
88KB

MD5
1d4ff3cf64ab08c66ae9a4013c89a3ac

SHA1
f9ee15d0e9b0b7e04ff4c8a5de5afcffe8b2527b

SHA256
65f620bc588d95fe2ed236d1602e49f89077b434c83102549eed137c7fdc7220

SHA512
65fbd68843280e933620c470e524fba993ab4c48ede4bc0917b4ebe25da0408d02daec3f5afcd44a3ff8aba676d2eff2dda3f354029d27932ef39c9fdea51c26

Download Submit
C:\Users\Admin\AppData\Roaming\debugclientFBJ_test\ambrosia.ini

Filesize
42KB

MD5
15ac4906fc1a97ee9a7e7cb9d7cf6ead

SHA1
56b35e83890c288cecdc5602ddbc092c535dfbc2

SHA256
0a50686aaf89b1c3a2f14e1a8add5cb4022056f1157ff12cc108346052d37436

SHA512
66922e9e2afe919769d0e7ae2ae48998bf2f66fb52bb140849344b34a7d86335d17b85f6cde0aa0ff104925fa243e9cbcf0a8bff153024dd93f2616bf35c8700

Download Submit
C:\Users\Admin\AppData\Roaming\debugclientFBJ_test\chibouk.7z

Filesize
799KB

MD5
c261816b33c925edce9e6d823fdf3625

SHA1
2ffd098a3ecfb06236087985403b47e0c652d65a

SHA256
9cf23899670946140169dcfaaa93513f995290f9e7cb761f782947d1991b4c2a

SHA512
010c9c68f3f596c2604218ddb1096c862098e8b72badad387951188631b7516f688edf6daa4d3ccec077a837155bdce560192dffc8de2764f1a4a74d8984f310

Download Submit
C:\Users\Admin\AppData\Roaming\debugclientFBJ_test\cpfe.dll

Filesize
4.9MB

MD5
eda3dbb0f36ecd094b7e11a8a3eba68f

SHA1
4ac9722cdf74dc609935c1e450e242aa5b2301da

SHA256
a57f3db4c4c489fc743960915dd4319c4d2e55046dab1813fbf3b2fe4e133ae5

SHA512
2e59fbee929a8452e201fab5661b6b46ed994b9c47405732062ab1719c41c5709b7c78f42ea764576194d9a72b23456de8ac2b5d5cb0aa7af89db4f5ecc3fd4a

Download Submit
\Users\Admin\AppData\Roaming\debugclientFBJ_test\vcpkgsrv.exe

Filesize
1.4MB

MD5
38901633c833cba7f682472ced0dbe4b

SHA1
0c11a1ac834d2b270ba60f3605109933ca11a7f0

SHA256
a5c5487194f761dac90e178c9c1753c0f47b041f3168b5c23a587f33f69e5089

SHA512
70d71197c68c9a92883c482aee76978e2a01e785be6fb3b6082369e25d991d3e03d8467e11d87493e54f5a3dc4bcd59fa588f0fabe5f6fdcf3361de95cb471c1

Download Submit
memory/2576-30-0x0000000077920000-0x0000000077AC9000-memory.dmp

Filesize
1.7MB

Download
memory/2576-33-0x0000000074D70000-0x0000000074EE4000-memory.dmp

Filesize
1.5MB

Download
memory/2584-35-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2584-36-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2584-37-0x0000000077920000-0x0000000077AC9000-memory.dmp

Filesize
1.7MB

Download
memory/2584-38-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/2664-1-0x0000000077920000-0x0000000077AC9000-memory.dmp

Filesize
1.7MB

Download
memory/2664-0-0x0000000074DA0000-0x0000000074F14000-memory.dmp

Filesize
1.5MB

Download
memory/2856-28-0x0000000074D70000-0x0000000074EE4000-memory.dmp

Filesize
1.5MB

Download
memory/2856-27-0x0000000077920000-0x0000000077AC9000-memory.dmp

Filesize
1.7MB

Download
memory/2856-26-0x0000000074D70000-0x0000000074EE4000-memory.dmp

Filesize
1.5MB

Download