ef2229a6d82c9d91d1b92a5a91c5a0fc5a9e1ea89cc6ceb3d6c28657a7503579

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
01/07/2024, 04:24

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General

Target

ef2229a6d82c9d91d1b92a5a91c5a0fc5a9e1ea89cc6ceb3d6c28657a7503579.exe
Size

24KB
MD5

54f95fe164b62f4f46f8548c557f4005
SHA1

f3a1ed8d1562a73943249eabf1a61912cb7db577
SHA256

ef2229a6d82c9d91d1b92a5a91c5a0fc5a9e1ea89cc6ceb3d6c28657a7503579
SHA512

b85fac0c32884cbb025d14b071ab9fd1f92723da47504554e0cfcd0273306ff6ff04478212dfd71bb3c18c1945d6dea3b3de084f9ade5cc3b0d597664fcd7c3a
SSDEEP

384:UATttSPw84JRFnYJz7sto9KJzq98kENZ7wCMoYUgY:BEw84DJ3om298ECMoBgY

Score

9^/10

upx

Malware Config

Signatures

UPX dump on OEP (original entry point) 5 IoCs

resource	yara_rule
behavioral1/memory/2932-0-0x0000000000400000-0x000000000040D000-memory.dmp	UPX
behavioral1/files/0x000a000000012286-4.dat	UPX
behavioral1/memory/2932-9-0x0000000000400000-0x000000000040D000-memory.dmp	UPX
behavioral1/memory/2076-10-0x0000000000400000-0x000000000040D000-memory.dmp	UPX
behavioral1/memory/2076-12-0x0000000000400000-0x000000000040D000-memory.dmp	UPX

Executes dropped EXE 1 IoCs

pid	Process
2076	zmnzx.exe

Loads dropped DLL 1 IoCs

pid	Process
2932	ef2229a6d82c9d91d1b92a5a91c5a0fc5a9e1ea89cc6ceb3d6c28657a7503579.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2932-0-0x0000000000400000-0x000000000040D000-memory.dmp	upx
behavioral1/files/0x000a000000012286-4.dat	upx
behavioral1/memory/2932-9-0x0000000000400000-0x000000000040D000-memory.dmp	upx
behavioral1/memory/2076-10-0x0000000000400000-0x000000000040D000-memory.dmp	upx
behavioral1/memory/2076-12-0x0000000000400000-0x000000000040D000-memory.dmp	upx

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 2076	2932	ef2229a6d82c9d91d1b92a5a91c5a0fc5a9e1ea89cc6ceb3d6c28657a7503579.exe	29
PID 2932 wrote to memory of 2076	2932	ef2229a6d82c9d91d1b92a5a91c5a0fc5a9e1ea89cc6ceb3d6c28657a7503579.exe	29
PID 2932 wrote to memory of 2076	2932	ef2229a6d82c9d91d1b92a5a91c5a0fc5a9e1ea89cc6ceb3d6c28657a7503579.exe	29
PID 2932 wrote to memory of 2076	2932	ef2229a6d82c9d91d1b92a5a91c5a0fc5a9e1ea89cc6ceb3d6c28657a7503579.exe	29

C:\Users\Admin\AppData\Local\Temp\ef2229a6d82c9d91d1b92a5a91c5a0fc5a9e1ea89cc6ceb3d6c28657a7503579.exe
"C:\Users\Admin\AppData\Local\Temp\ef2229a6d82c9d91d1b92a5a91c5a0fc5a9e1ea89cc6ceb3d6c28657a7503579.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Users\Admin\AppData\Local\Temp\zmnzx.exe
  "C:\Users\Admin\AppData\Local\Temp\zmnzx.exe"
  2⤵
  - Executes dropped EXE
  PID:2076

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\zmnzx.exe

Filesize
24KB

MD5
1f841943416931ada85c5635f1371fd2

SHA1
b086a5aca315aa151a4e8a422a118fc501f7981a

SHA256
8cc7a690fce7363feb6de51234b4b455920cce40ca4d0bba3cc226f4bf013cde

SHA512
a70ca7668638b90199df332a6023bb73470628366604499236bbebe639bb8d8c3a32857ee83399cdcbde46f31d05445def10b7e9ea9304a2bc10a2a3830f8254

Download Submit
memory/2076-10-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2076-12-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2932-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2932-2-0x0000000000402000-0x0000000000403000-memory.dmp

Filesize
4KB

Download
memory/2932-9-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download