lumma | c9e1c98bf50c41cfea91996e87b89c58a84d841f17ac9c644b58aed041672f91

Analysis

max time kernel
128s
max time network
137s
platform
windows10-1703_x64
resource
win10-20240611-en
resource tags

arch:x64arch:x86image:win10-20240611-enlocale:en-usos:windows10-1703-x64system
submitted
06-09-2024 12:12

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General

Target

de7.ps1
Size

579B
MD5

b0374afcb3f99686fd6670eabe915587
SHA1

0be4fc4d71d008541ecf41c0ad2fae791def39a2
SHA256

c9e1c98bf50c41cfea91996e87b89c58a84d841f17ac9c644b58aed041672f91
SHA512

0e4a6c1db1bb2cf9306c862df323b48b5f966608d610922ca2a3712b6f70c20b450a4ecfcc964dbd8a6c0c233dd9e92d8c54993b4b671b597dfdc3a02f84381a

Score

10^/10

lumma discovery execution stealer

Malware Config

Extracted

Family

lumma

https://dairyucoemwk.shop/api

https://condedqpwqm.shop/api

Signatures

Lumma Stealer, LummaC
Lumma or LummaC is an infostealer written in C++ first seen in August 2022.
stealer lumma
Blocklisted process makes network request 3 IoCs

Processes:

powershell.exe

flow pid process

4 3244 powershell.exe
6 3244 powershell.exe
10 3244 powershell.exe
Executes dropped EXE 1 IoCs

Processes:

Setup.exe

pid process

2024 Setup.exe
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

3244 powershell.exe
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

5096 2024 WerFault.exe Setup.exe
4360 2024 WerFault.exe Setup.exe
System Location Discovery: System Language Discovery 1 TTPs 1 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:

Setup.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Setup.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exeSetup.exe

pid process

3244 powershell.exe
3244 powershell.exe
3244 powershell.exe
2024 Setup.exe
2024 Setup.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 3244 powershell.exe

flow	pid	process
4	3244	powershell.exe
6	3244	powershell.exe
10	3244	powershell.exe

pid	process
2024	Setup.exe

pid	process
3244	powershell.exe

pid	pid_target	process	target process
5096	2024	WerFault.exe	Setup.exe
4360	2024	WerFault.exe	Setup.exe

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

pid	process
3244	powershell.exe
3244	powershell.exe
3244	powershell.exe
2024	Setup.exe
2024	Setup.exe

description	pid	process
Token: SeDebugPrivilege	3244	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

powershell.exe

description	pid	process	target process
PID 3244 wrote to memory of 2024	3244	powershell.exe	Setup.exe
PID 3244 wrote to memory of 2024	3244	powershell.exe	Setup.exe
PID 3244 wrote to memory of 2024	3244	powershell.exe	Setup.exe

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\de7.ps1
1⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3244

C:\Users\Admin\AppData\Local\Temp\file\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\file\Setup.exe"
2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:2024

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 1404
3⤵
- Program crash
PID:4360

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 1424
3⤵
- Program crash
PID:5096

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_a0ft1vgr.rxb.ps1
Filesize
1B

MD5
c4ca4238a0b923820dcc509a6f75849b

SHA1
356a192b7913b04c54574d18c28d46e6395428ab

SHA256
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

SHA512
4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

Download Submit
memory/2024-157-0x0000000000400000-0x0000000002086000-memory.dmp

Filesize
28.5MB

Download
memory/2024-156-0x0000000002090000-0x0000000002091000-memory.dmp

Filesize
4KB

Download
memory/3244-27-0x00007FF862F10000-0x00007FF8638FC000-memory.dmp

Filesize
9.9MB

Download
memory/3244-10-0x00007FF862F10000-0x00007FF8638FC000-memory.dmp

Filesize
9.9MB

Download
memory/3244-9-0x000001B266EE0000-0x000001B266F56000-memory.dmp

Filesize
472KB

Download
memory/3244-25-0x00007FF862F10000-0x00007FF8638FC000-memory.dmp

Filesize
9.9MB

Download
memory/3244-26-0x00007FF862F13000-0x00007FF862F14000-memory.dmp

Filesize
4KB

Download
memory/3244-2-0x00007FF862F13000-0x00007FF862F14000-memory.dmp

Filesize
4KB

Download
memory/3244-28-0x00007FF862F10000-0x00007FF8638FC000-memory.dmp

Filesize
9.9MB

Download
memory/3244-29-0x00007FF862F10000-0x00007FF8638FC000-memory.dmp

Filesize
9.9MB

Download
memory/3244-51-0x000001B267160000-0x000001B267172000-memory.dmp

Filesize
72KB

Download
memory/3244-64-0x000001B266ED0000-0x000001B266EDA000-memory.dmp

Filesize
40KB

Download
memory/3244-155-0x00007FF862F10000-0x00007FF8638FC000-memory.dmp

Filesize
9.9MB

Download
memory/3244-8-0x00007FF862F10000-0x00007FF8638FC000-memory.dmp

Filesize
9.9MB

Download
memory/3244-5-0x000001B266D30000-0x000001B266D52000-memory.dmp

Filesize
136KB

Download