lumma | 25acf2e334311187267e0e220e41f9ddf3765d0cf073e2d94a913177c36ed888

Analysis

max time kernel
119s
max time network
125s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
20-07-2023 13:53

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General

Target

signed.exe
Size

1.4MB
MD5

ae903de744cdd6c554cf89ff6ee06517
SHA1

9484606f846a5127f53f3a4a0e71ecd125367e3f
SHA256

25acf2e334311187267e0e220e41f9ddf3765d0cf073e2d94a913177c36ed888
SHA512

9dfc0ab16d7cae6367d8f3cc1dd70aec5969f6dd6c26e537ebb6a6de04bf2acaf8e64aaba3e2dc02db3611b6045ae540397e2caeb0150c0b7ee32570db5bae0f
SSDEEP

24576:G4K5UNV516fjqzUqGovqll/Erlh8rG7aQPYRLt9iUzYLn:tV516fjqzDqlBeOrG7aQQKUzen

Score

10^/10

lumma spyware stealer

Malware Config

Signatures

Lumma Stealer
An infostealer written in C++ first seen in August 2022.
stealer lumma
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Suspicious use of SetThreadContext 1 IoCs

Processes:

signed.exe

description pid process target process

PID 1632 set thread context of 2564 1632 signed.exe InstallUtil.exe

description	pid	process	target process
PID 1632 set thread context of 2564	1632	signed.exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

InstallUtil.exe

pid	process
2564	InstallUtil.exe
2564	InstallUtil.exe
2564	InstallUtil.exe
2564	InstallUtil.exe
2564	InstallUtil.exe
2564	InstallUtil.exe
2564	InstallUtil.exe
2564	InstallUtil.exe
2564	InstallUtil.exe
2564	InstallUtil.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

signed.exe

description	pid	process	target process
PID 1632 wrote to memory of 2228	1632	signed.exe	InstallUtil.exe
PID 1632 wrote to memory of 2228	1632	signed.exe	InstallUtil.exe
PID 1632 wrote to memory of 2228	1632	signed.exe	InstallUtil.exe
PID 1632 wrote to memory of 2228	1632	signed.exe	InstallUtil.exe
PID 1632 wrote to memory of 2228	1632	signed.exe	InstallUtil.exe
PID 1632 wrote to memory of 2228	1632	signed.exe	InstallUtil.exe
PID 1632 wrote to memory of 2228	1632	signed.exe	InstallUtil.exe
PID 1632 wrote to memory of 2228	1632	signed.exe	InstallUtil.exe
PID 1632 wrote to memory of 2564	1632	signed.exe	InstallUtil.exe
PID 1632 wrote to memory of 2564	1632	signed.exe	InstallUtil.exe
PID 1632 wrote to memory of 2564	1632	signed.exe	InstallUtil.exe
PID 1632 wrote to memory of 2564	1632	signed.exe	InstallUtil.exe
PID 1632 wrote to memory of 2564	1632	signed.exe	InstallUtil.exe
PID 1632 wrote to memory of 2564	1632	signed.exe	InstallUtil.exe
PID 1632 wrote to memory of 2564	1632	signed.exe	InstallUtil.exe
PID 1632 wrote to memory of 2564	1632	signed.exe	InstallUtil.exe
PID 1632 wrote to memory of 2564	1632	signed.exe	InstallUtil.exe
PID 1632 wrote to memory of 2564	1632	signed.exe	InstallUtil.exe
PID 1632 wrote to memory of 2564	1632	signed.exe	InstallUtil.exe
PID 1632 wrote to memory of 2564	1632	signed.exe	InstallUtil.exe
PID 1632 wrote to memory of 2564	1632	signed.exe	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\signed.exe
"C:\Users\Admin\AppData\Local\Temp\signed.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  PID:2228
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2564

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2564-54-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2564-56-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2564-57-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2564-59-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download
memory/2564-60-0x0000000000400000-0x0000000000465000-memory.dmp

Filesize
404KB

Download