172e5cb8d2b50d3484086903e8f34ffff8b2ce464bc9075ca7e33ed17972ce70

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
14-02-2024 03:39

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General

Target

e3e628ebea9019f1c91bb4c0c65ce2a8.exe
Size

34KB
MD5

e3e628ebea9019f1c91bb4c0c65ce2a8
SHA1

15c20b7288427b021ae500addac42ba4bb38a4dd
SHA256

172e5cb8d2b50d3484086903e8f34ffff8b2ce464bc9075ca7e33ed17972ce70
SHA512

dc98f2ae21e9e1aa7c0799be7ae2b00a587a7c5add7fe51b42e81875f46affce4fddb8562a9f6e92adb3c0c66aaccf5fe847f17e9c993723cdb55da5fb253f79
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznHzu02lOQAY6:b/yC4GyNM01GuQMNXw2PSjHC02ltAY6

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2404	retln.exe

Loads dropped DLL 1 IoCs

pid	Process
1708	e3e628ebea9019f1c91bb4c0c65ce2a8.exe

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

System Information Discovery
T1082

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
1708	e3e628ebea9019f1c91bb4c0c65ce2a8.exe
2404	retln.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 2404	1708	e3e628ebea9019f1c91bb4c0c65ce2a8.exe	28
PID 1708 wrote to memory of 2404	1708	e3e628ebea9019f1c91bb4c0c65ce2a8.exe	28
PID 1708 wrote to memory of 2404	1708	e3e628ebea9019f1c91bb4c0c65ce2a8.exe	28
PID 1708 wrote to memory of 2404	1708	e3e628ebea9019f1c91bb4c0c65ce2a8.exe	28

C:\Users\Admin\AppData\Local\Temp\e3e628ebea9019f1c91bb4c0c65ce2a8.exe
"C:\Users\Admin\AppData\Local\Temp\e3e628ebea9019f1c91bb4c0c65ce2a8.exe"
1⤵
- Loads dropped DLL
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Users\Admin\AppData\Local\Temp\retln.exe
  "C:\Users\Admin\AppData\Local\Temp\retln.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of UnmapMainImage
  PID:2404

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\retln.exe

Filesize
34KB

MD5
9da2dd78bc45df15f99c1f080992a01d

SHA1
b6e24f484ad766e129f49033370a2aee8d0c6cd9

SHA256
cb30ac5a6fdcf3fc253565b34f7be3068987ad4e617f6f6a074822ba224bc4ec

SHA512
795d410edac7c853b3104e425a0e9b21b580a1d4c0344273d34002a912c02605217a5360b8a07b35099670286486625968f3a83d6579e4edba3f5e925a9e235c

Download Submit
memory/1708-0-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/1708-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1708-8-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2404-17-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download