lumma | 86ef1d24279e7eea5ecfefb4d8e605c78916e3d504ba4bb6dd86063159e50389

Analysis

max time kernel
74s
max time network
76s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2025 16:30

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General

Target

script.zip
Size

5.5MB
MD5

d23f680812d614afae51436e43a7acbe
SHA1

4906667187e56bc7242ba7540efc01e621e1399b
SHA256

86ef1d24279e7eea5ecfefb4d8e605c78916e3d504ba4bb6dd86063159e50389
SHA512

91148c0abac076a385b5afbb9e2e4927b0c1ad50d483ba84aca0cae8b0c4a16f5b17b75879a47afed893e9c1a3426f7138b1ac7ec7ec2f3908be224b76487626
SSDEEP

98304:3u4FqHR5+l1tcINUfnffSDs4qgVpJb9139yDbcuvh7E5fZ4t93HNWTF9wmbJ8XgA:ei85s1tcICfiDs4ptcpyfCjt8F3bJ8XT

Score

10^/10

lumma discovery stealer

Malware Config

Extracted

Family

lumma

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

Executes dropped EXE 8 IoCs

pid	Process
3008	Script.exe
3556	Script.exe
1660	Script.exe
4700	Script.exe
936	Script.exe
2816	Script.exe
4436	Script.exe
4008	Script.exe

Suspicious use of SetThreadContext 4 IoCs

description	pid	Process	procid_target
PID 3008 set thread context of 3556	3008	Script.exe	108
PID 1660 set thread context of 4700	1660	Script.exe	115
PID 936 set thread context of 2816	936	Script.exe	121
PID 4436 set thread context of 4008	4436	Script.exe	128

Program crash 4 IoCs

pid	pid_target	Process	procid_target
4896	3008	WerFault.exe	104
4812	1660	WerFault.exe	113
4864	936	WerFault.exe	119
1360	4436	WerFault.exe	126

System Location Discovery: System Language Discovery 1 TTPs 8 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	Script.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Script.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Script.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Script.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Script.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Script.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Script.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Script.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	7zFM.exe
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	7zFM.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2496	NOTEPAD.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3088	7zFM.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeRestorePrivilege	3088	7zFM.exe
Token: 35	3088	7zFM.exe
Token: SeSecurityPrivilege	3088	7zFM.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
3088	7zFM.exe
3088	7zFM.exe

Suspicious use of WriteProcessMemory 36 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 3556	3008	Script.exe	108
PID 3008 wrote to memory of 3556	3008	Script.exe	108
PID 3008 wrote to memory of 3556	3008	Script.exe	108
PID 3008 wrote to memory of 3556	3008	Script.exe	108
PID 3008 wrote to memory of 3556	3008	Script.exe	108
PID 3008 wrote to memory of 3556	3008	Script.exe	108
PID 3008 wrote to memory of 3556	3008	Script.exe	108
PID 3008 wrote to memory of 3556	3008	Script.exe	108
PID 3008 wrote to memory of 3556	3008	Script.exe	108
PID 1660 wrote to memory of 4700	1660	Script.exe	115
PID 1660 wrote to memory of 4700	1660	Script.exe	115
PID 1660 wrote to memory of 4700	1660	Script.exe	115
PID 1660 wrote to memory of 4700	1660	Script.exe	115
PID 1660 wrote to memory of 4700	1660	Script.exe	115
PID 1660 wrote to memory of 4700	1660	Script.exe	115
PID 1660 wrote to memory of 4700	1660	Script.exe	115
PID 1660 wrote to memory of 4700	1660	Script.exe	115
PID 1660 wrote to memory of 4700	1660	Script.exe	115
PID 936 wrote to memory of 2816	936	Script.exe	121
PID 936 wrote to memory of 2816	936	Script.exe	121
PID 936 wrote to memory of 2816	936	Script.exe	121
PID 936 wrote to memory of 2816	936	Script.exe	121
PID 936 wrote to memory of 2816	936	Script.exe	121
PID 936 wrote to memory of 2816	936	Script.exe	121
PID 936 wrote to memory of 2816	936	Script.exe	121
PID 936 wrote to memory of 2816	936	Script.exe	121
PID 936 wrote to memory of 2816	936	Script.exe	121
PID 4436 wrote to memory of 4008	4436	Script.exe	128
PID 4436 wrote to memory of 4008	4436	Script.exe	128
PID 4436 wrote to memory of 4008	4436	Script.exe	128
PID 4436 wrote to memory of 4008	4436	Script.exe	128
PID 4436 wrote to memory of 4008	4436	Script.exe	128
PID 4436 wrote to memory of 4008	4436	Script.exe	128
PID 4436 wrote to memory of 4008	4436	Script.exe	128
PID 4436 wrote to memory of 4008	4436	Script.exe	128
PID 4436 wrote to memory of 4008	4436	Script.exe	128

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\script.zip"
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:3088

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:5028

C:\Users\Admin\Desktop\fdgfdgfdgfdf\Script.exe
"C:\Users\Admin\Desktop\fdgfdgfdgfdf\Script.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Users\Admin\Desktop\fdgfdgfdgfdf\Script.exe
  "C:\Users\Admin\Desktop\fdgfdgfdgfdf\Script.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3556
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3008 -s 792
  2⤵
  - Program crash
  PID:4896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3008 -ip 3008
1⤵
PID:640

C:\Users\Admin\Desktop\fdgfdgfdgfdf\Script.exe
"C:\Users\Admin\Desktop\fdgfdgfdgfdf\Script.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Users\Admin\Desktop\fdgfdgfdgfdf\Script.exe
  "C:\Users\Admin\Desktop\fdgfdgfdgfdf\Script.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4700
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1660 -s 764
  2⤵
  - Program crash
  PID:4812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1660 -ip 1660
1⤵
PID:3224

C:\Users\Admin\Desktop\fdgfdgfdgfdf\Script.exe
"C:\Users\Admin\Desktop\fdgfdgfdgfdf\Script.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:936
- C:\Users\Admin\Desktop\fdgfdgfdgfdf\Script.exe
  "C:\Users\Admin\Desktop\fdgfdgfdgfdf\Script.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2816
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 936 -s 764
  2⤵
  - Program crash
  PID:4864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 936 -ip 936
1⤵
PID:2900

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\Desktop\fdgfdgfdgfdf\asset.txt
1⤵
- Opens file in notepad (likely ransom note)
PID:2496

C:\Users\Admin\Desktop\fdgfdgfdgfdf\Script.exe
"C:\Users\Admin\Desktop\fdgfdgfdgfdf\Script.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4436
- C:\Users\Admin\Desktop\fdgfdgfdgfdf\Script.exe
  "C:\Users\Admin\Desktop\fdgfdgfdgfdf\Script.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4008
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4436 -s 772
  2⤵
  - Program crash
  PID:1360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4436 -ip 4436
1⤵
PID:2512

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

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Downloads

C:\Users\Admin\Desktop\fdgfdgfdgfdf\Script.exe

Filesize
353KB

MD5
cee34695a042e5bafcfcb1d44a63bb3e

SHA1
4afb4ef91376150e3b5dca306b0327e1adc17a9c

SHA256
298aabe253921a8444fb6725dedea3525c9ae7e7b9f995e5cc72edc9ddcc01e7

SHA512
44f99b88fecfbb5c16ea03f6668c56adf060e774bbec2bab6b038b1d13187dece6be8ab98e51228f77fcef4c20977aae2da6640b9fa6f83708d48a5cd869c72b

Download Submit
C:\Users\Admin\Desktop\fdgfdgfdgfdf\asset.txt

Filesize
298KB

MD5
00ba06448d5e03dfbfa60a4bc2219193

SHA1
a5064f36a48ef1914c62879098bf9d49a58314c5

SHA256
884f1552fe526d72f01035f8fd1b565d254b52fbbfcb6cb034f34598794f7d7d

SHA512
c5faca4c81c1aa1ef4b8cf6fdaf5900f4eb6457b9117097a045f875a758d04e39f1697724fecee4d7895f1efd6dc9633a1b276c3fa5453a00a424610753d626c

Download Submit
memory/3008-20-0x0000000074D1E000-0x0000000074D1F000-memory.dmp

Filesize
4KB

Download
memory/3008-21-0x0000000000910000-0x0000000000970000-memory.dmp

Filesize
384KB

Download
memory/3008-22-0x00000000056C0000-0x0000000005C64000-memory.dmp

Filesize
5.6MB

Download
memory/3008-28-0x0000000074D10000-0x00000000754C0000-memory.dmp

Filesize
7.7MB

Download
memory/3556-24-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/3556-27-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/3556-29-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download