lumma | c9e1c98bf50c41cfea91996e87b89c58a84d841f17ac9c644b58aed041672f91

Analysis

max time kernel
92s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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

4 320 powershell.exe
13 320 powershell.exe
31 320 powershell.exe
Executes dropped EXE 1 IoCs

Processes:

Setup.exe

pid process

4316 Setup.exe
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

320 powershell.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2356 4316 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 4 IoCs

Processes:

powershell.exeSetup.exe

pid process

320 powershell.exe
320 powershell.exe
4316 Setup.exe
4316 Setup.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 320 powershell.exe

flow	pid	process
4	320	powershell.exe
13	320	powershell.exe
31	320	powershell.exe

pid	process
4316	Setup.exe

pid	process
320	powershell.exe

pid	pid_target	process	target process
2356	4316	WerFault.exe	Setup.exe

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

pid	process
320	powershell.exe
320	powershell.exe
4316	Setup.exe
4316	Setup.exe

description	pid	process
Token: SeDebugPrivilege	320	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

powershell.exe

description	pid	process	target process
PID 320 wrote to memory of 4316	320	powershell.exe	Setup.exe
PID 320 wrote to memory of 4316	320	powershell.exe	Setup.exe
PID 320 wrote to memory of 4316	320	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:320

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:4316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4316 -s 1460
3⤵
- Program crash
PID:2356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4316 -ip 4316
1⤵
PID:3236

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_e0aix014.41m.ps1
Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/320-18-0x00007FF8739C0000-0x00007FF874481000-memory.dmp

Filesize
10.8MB

Download
memory/320-19-0x00000225EEE80000-0x00000225EEE92000-memory.dmp

Filesize
72KB

Download
memory/320-11-0x00007FF8739C0000-0x00007FF874481000-memory.dmp

Filesize
10.8MB

Download
memory/320-12-0x00007FF8739C0000-0x00007FF874481000-memory.dmp

Filesize
10.8MB

Download
memory/320-13-0x00007FF8739C3000-0x00007FF8739C5000-memory.dmp

Filesize
8KB

Download
memory/320-14-0x00007FF8739C0000-0x00007FF874481000-memory.dmp

Filesize
10.8MB

Download
memory/320-10-0x00000225EEAA0000-0x00000225EEAC2000-memory.dmp

Filesize
136KB

Download
memory/320-0-0x00007FF8739C3000-0x00007FF8739C5000-memory.dmp

Filesize
8KB

Download
memory/320-15-0x00007FF8739C0000-0x00007FF874481000-memory.dmp

Filesize
10.8MB

Download
memory/320-20-0x00000225EEE60000-0x00000225EEE6A000-memory.dmp

Filesize
40KB

Download
memory/320-87-0x00007FF8739C0000-0x00007FF874481000-memory.dmp

Filesize
10.8MB

Download
memory/4316-88-0x0000000000451000-0x0000000000E18000-memory.dmp

Filesize
9.8MB

Download
memory/4316-89-0x00000000020A0000-0x00000000020A1000-memory.dmp

Filesize
4KB

Download
memory/4316-90-0x0000000000400000-0x0000000002086000-memory.dmp

Filesize
28.5MB

Download
memory/4316-92-0x0000000000451000-0x0000000000E18000-memory.dmp

Filesize
9.8MB

Download