lumma | 253cdcfd6f8b6e52133bc59df92563e432b335d2a207f2f8e01fac2423ccbac8

General

Target

c.ps1
Size

533KB
MD5

caa47a6cade8d516436111856cc80e9b
SHA1

972855c99b5d2df23aa7d329279e34dde2bbdb34
SHA256

253cdcfd6f8b6e52133bc59df92563e432b335d2a207f2f8e01fac2423ccbac8
SHA512

133809dc06d36b727e7c79ec9e2dd86ec1520d559072d3b4f4f0e526cf3eada4a8bd573694c33ac9543bab0d8bcd7d3de1509eba6b98be94e6dc98bb2e92047f
SSDEEP

12288:ZcTOT1uStOOovc4mkab9NY+2GyKKRoiOwFL9:ZcTPStkvcVZT2GyJoiOwFL9

Score

10^/10

lumma discovery execution stealer

Malware Config

Extracted

Family

lumma

C2

https://toppyneedus.biz/api

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3568 set thread context of 1284	3568	powershell.exe	83

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3568	powershell.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	wermgr.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	wermgr.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	wermgr.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3568	powershell.exe
3568	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3568	powershell.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3568 wrote to memory of 1284	3568	powershell.exe	83
PID 3568 wrote to memory of 1284	3568	powershell.exe	83
PID 3568 wrote to memory of 1284	3568	powershell.exe	83
PID 3568 wrote to memory of 1284	3568	powershell.exe	83
PID 3568 wrote to memory of 1284	3568	powershell.exe	83
PID 3568 wrote to memory of 1284	3568	powershell.exe	83
PID 3568 wrote to memory of 1284	3568	powershell.exe	83
PID 3568 wrote to memory of 1284	3568	powershell.exe	83
PID 3568 wrote to memory of 1284	3568	powershell.exe	83
PID 3568 wrote to memory of 2308	3568	powershell.exe	84
PID 3568 wrote to memory of 2308	3568	powershell.exe	84

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\c.ps1
1⤵
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3568
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1284
- C:\Windows\system32\wermgr.exe
  "C:\Windows\system32\wermgr.exe" "-outproc" "0" "3568" "2216" "2132" "2220" "0" "0" "2224" "0" "0" "0" "0" "0"
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  PID:2308

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

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\AppData\Local\Temp\__PSScriptPolicyTest_0k2by1kh.rp3.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1284-15-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1284-29-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1284-18-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/1284-17-0x0000000000400000-0x000000000045D000-memory.dmp

Filesize
372KB

Download
memory/3568-11-0x00007FF901870000-0x00007FF902331000-memory.dmp

Filesize
10.8MB

Download
memory/3568-14-0x0000018AC5790000-0x0000018AC5796000-memory.dmp

Filesize
24KB

Download
memory/3568-13-0x0000018AC7B70000-0x0000018AC7B88000-memory.dmp

Filesize
96KB

Download
memory/3568-12-0x00007FF901870000-0x00007FF902331000-memory.dmp

Filesize
10.8MB

Download
memory/3568-0-0x00007FF901873000-0x00007FF901875000-memory.dmp

Filesize
8KB

Download
memory/3568-19-0x0000018AC57D0000-0x0000018AC57E0000-memory.dmp

Filesize
64KB

Download
memory/3568-28-0x00007FF901870000-0x00007FF902331000-memory.dmp

Filesize
10.8MB

Download
memory/3568-10-0x0000018AC57A0000-0x0000018AC57C2000-memory.dmp

Filesize
136KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads