lumma | 686142cd5dcb64078dcc014bf37cc639dd9b312c02a9aa55598b95638bf13bf0

General

Target

CBBE_Skyrim_V1.0.7z
Size

87.2MB
MD5

f1ac906874e39cfc90adb906f7eda5b9
SHA1

1b56ff878192c4a2929d6df3c33fec7afdb94565
SHA256

686142cd5dcb64078dcc014bf37cc639dd9b312c02a9aa55598b95638bf13bf0
SHA512

f66671a31648be68d6f9820e0bb8b1aa9f66c1e440424c46efc38048bbfc2a298bbc7e23d79334af43f7d010669503bc6896f062e7709d96a0311229e4f552e5
SSDEEP

1572864:wzDy9Z6G9mO5ZYuK736weVM+qN6I9WSRKhCBwfkYKtgqvENCAJ9pEdcQaETjo6A6:wz+1quAGM+qN6IQSwhkwfkYKXscuEdBn

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

C2

https://processhol.sbs/api

https://p10tgrace.sbs/api

https://peepburry828.sbs/api

https://3xp3cts1aim.sbs/api

https://p3ar11fter.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
Executes dropped EXE 3 IoCs

Processes:

Unpacker.exeUnpacker.exeUnpacker.exe

pid process

2084 Unpacker.exe
1040 Unpacker.exe
5232 Unpacker.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

Unpacker.exe

description pid process target process

PID 2084 set thread context of 5232 2084 Unpacker.exe Unpacker.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

5380 2084 WerFault.exe Unpacker.exe

pid	process
2084	Unpacker.exe
1040	Unpacker.exe
5232	Unpacker.exe

description	pid	process	target process
PID 2084 set thread context of 5232	2084	Unpacker.exe	Unpacker.exe

pid	pid_target	process	target process
5380	2084	WerFault.exe	Unpacker.exe

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

Processes:

Unpacker.exeUnpacker.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Unpacker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Unpacker.exe

Modifies registry class 2 IoCs

Processes:

7zFM.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	7zFM.exe
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	7zFM.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

7zFM.exe

pid process

2424 7zFM.exe
Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

7zFM.exe

description pid process

Token: SeRestorePrivilege 2424 7zFM.exe
Token: 35 2424 7zFM.exe
Token: SeSecurityPrivilege 2424 7zFM.exe
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

7zFM.exe

pid process

2424 7zFM.exe
2424 7zFM.exe

pid	process
2424	7zFM.exe

description	pid	process
Token: SeRestorePrivilege	2424	7zFM.exe
Token: 35	2424	7zFM.exe
Token: SeSecurityPrivilege	2424	7zFM.exe

pid	process
2424	7zFM.exe
2424	7zFM.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Unpacker.exe

description	pid	process	target process
PID 2084 wrote to memory of 1040	2084	Unpacker.exe	Unpacker.exe
PID 2084 wrote to memory of 1040	2084	Unpacker.exe	Unpacker.exe
PID 2084 wrote to memory of 1040	2084	Unpacker.exe	Unpacker.exe
PID 2084 wrote to memory of 5232	2084	Unpacker.exe	Unpacker.exe
PID 2084 wrote to memory of 5232	2084	Unpacker.exe	Unpacker.exe
PID 2084 wrote to memory of 5232	2084	Unpacker.exe	Unpacker.exe
PID 2084 wrote to memory of 5232	2084	Unpacker.exe	Unpacker.exe
PID 2084 wrote to memory of 5232	2084	Unpacker.exe	Unpacker.exe
PID 2084 wrote to memory of 5232	2084	Unpacker.exe	Unpacker.exe
PID 2084 wrote to memory of 5232	2084	Unpacker.exe	Unpacker.exe
PID 2084 wrote to memory of 5232	2084	Unpacker.exe	Unpacker.exe
PID 2084 wrote to memory of 5232	2084	Unpacker.exe	Unpacker.exe
PID 2084 wrote to memory of 5232	2084	Unpacker.exe	Unpacker.exe

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\CBBE_Skyrim_V1.0.7z"
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:2424

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:5316

C:\Users\Admin\Desktop\New folder\Unpacker.exe
"C:\Users\Admin\Desktop\New folder\Unpacker.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Users\Admin\Desktop\New folder\Unpacker.exe
  "C:\Users\Admin\Desktop\New folder\Unpacker.exe"
  2⤵
  - Executes dropped EXE
  PID:1040
- C:\Users\Admin\Desktop\New folder\Unpacker.exe
  "C:\Users\Admin\Desktop\New folder\Unpacker.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5232
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2084 -s 264
  2⤵
  - Program crash
  PID:5380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2084 -ip 2084
1⤵
PID:5332

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

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Downloads

C:\Users\Admin\Desktop\New folder\Unpacker.exe

Filesize
752KB

MD5
7d39eabebcc2041aa608ca797a6dbbd4

SHA1
1ebf11ee8788aa05068e2fffbe0efd89d39ee23d

SHA256
bd2ba38b08859e3cd096a8c243c78cd3463ee5ff6a391e8a2ae410a96375a631

SHA512
5c2813b3a11719b8f0c6f27d7c22d1b2aed4afddb2e7d4d287beb3e4f3a277bfe0aaa4d0efb54d674fb69beeef788af14aa96c8a1bdcdd24c0962dd3100360ec

Download Submit
C:\Users\Admin\Desktop\New folder\resource\res\drawable-xhdpi\lb_ic_skip_next.png

Filesize
1KB

MD5
ed988fd9b650213e087ed231fd43d86a

SHA1
2fbebbde2e26ea36a2a8b75e6fc188fa8d048433

SHA256
faf3a6e695e96b2091e567de264b60de8302f64ca8a6c558002955bc67eddf7e

SHA512
1c0a02c7bd583945f205540423240b85e200b83abaf5f682ecee4de07605e25ff1c65a37aa521ee0b5b7992b08401ecba3d87a3b81a9774b6cf31899ba9530b0

Download Submit
C:\Users\Admin\Desktop\New folder\resource\res\drawable-xhdpi\lb_ic_skip_previous.png

Filesize
1KB

MD5
9d5899684c4507b9416cc63061821604

SHA1
f3c98954e64d3d150480c2d6c03296b99a122552

SHA256
4b40aaeb98d83b2a50b2f6b0e9a0e6f784709372e84ca83cb83dad5315e09569

SHA512
21d7242f05503cdbd2c8926f163b4c1ce327a3730c40e8399290389fd998bad3b9dd06702426d8b541fa84b6cacf50a495a5a1f712f7ca3209744d9eb5fbc815

Download Submit
memory/2084-1302-0x00000000005DA000-0x00000000005DB000-memory.dmp

Filesize
4KB

Download
memory/5232-1304-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/5232-1307-0x0000000000400000-0x000000000045C000-memory.dmp

Filesize
368KB

Download
memory/5232-1308-0x0000000000570000-0x0000000000633000-memory.dmp

Filesize
780KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads