11b3e0c09652d09baaa547b5870f23f7b256bd87e89c33b379e2a0f6f6543078

Analysis

max time kernel
136s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
04/05/2024, 20:16

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General

Target

11b3e0c09652d09baaa547b5870f23f7b256bd87e89c33b379e2a0f6f6543078.exe
Size

62KB
MD5

85bacb3aa9617c6a2c6284ba2227a39d
SHA1

324b8d9d8fc6b27d373eebd5dcee503b36063c45
SHA256

11b3e0c09652d09baaa547b5870f23f7b256bd87e89c33b379e2a0f6f6543078
SHA512

cb3b3bde3d58977f100992a38611bffea222037c25b5a504cd26c47bf8eccd76f07749c9e770effb55b2fbe0b9e611ba459a83ac550d8da9a289207a5465f083
SSDEEP

768:1dH5WZTKSu7ycrcpeNPmGPJXdHO7QqNWcrE7zr2y5l9r:1B5W9nu2cgpeNPmGPJX0EeSzrR9r

Score

9^/10

Malware Config

Signatures

Detects executables built or packed with MPress PE compressor 3 IoCs

resource	yara_rule
behavioral2/memory/4940-0-0x0000000004000000-0x000000000400E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000d000000023b2e-8.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3512-12-0x0000000004000000-0x000000000400E000-memory.dmp	INDICATOR_EXE_Packed_MPress

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-1-5-21-3726321484-1950364574-433157660-1000\Control Panel\International\Geo\Nation	11b3e0c09652d09baaa547b5870f23f7b256bd87e89c33b379e2a0f6f6543078.exe

Executes dropped EXE 1 IoCs

pid	Process
3512	updater.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4940 wrote to memory of 3512	4940	11b3e0c09652d09baaa547b5870f23f7b256bd87e89c33b379e2a0f6f6543078.exe	84
PID 4940 wrote to memory of 3512	4940	11b3e0c09652d09baaa547b5870f23f7b256bd87e89c33b379e2a0f6f6543078.exe	84
PID 4940 wrote to memory of 3512	4940	11b3e0c09652d09baaa547b5870f23f7b256bd87e89c33b379e2a0f6f6543078.exe	84

C:\Users\Admin\AppData\Local\Temp\11b3e0c09652d09baaa547b5870f23f7b256bd87e89c33b379e2a0f6f6543078.exe
"C:\Users\Admin\AppData\Local\Temp\11b3e0c09652d09baaa547b5870f23f7b256bd87e89c33b379e2a0f6f6543078.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4940
- C:\Users\Admin\AppData\Local\Temp\updater.exe
  "C:\Users\Admin\AppData\Local\Temp\updater.exe"
  2⤵
  - Executes dropped EXE
  PID:3512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\updater.exe

Filesize
62KB

MD5
85b301fec6b0fa3be5730af0d0f515c3

SHA1
3c3ce52dc283117a91994af67abe8368c452b58b

SHA256
7efc29e1e684492340a29907bde01dc4d6428b3d1ed43374f55ec1270dc62bdc

SHA512
c78e3d038216a1ca44f2af6543f3ce914ef713d80e1af38953eb801e5a34b0c1b7b66cc9e6c27bc4b68cd8a487b63b6b5ea8d7614e809b8ca9bfddc55d35b78c

Download Submit
memory/3512-12-0x0000000004000000-0x000000000400E000-memory.dmp

Filesize
56KB

Download
memory/3512-14-0x00000000006C0000-0x00000000006C5000-memory.dmp

Filesize
20KB

Download
memory/3512-15-0x00000000006C0000-0x00000000006C5000-memory.dmp

Filesize
20KB

Download
memory/3512-16-0x00000000006C0000-0x00000000006C5000-memory.dmp

Filesize
20KB

Download
memory/4940-0-0x0000000004000000-0x000000000400E000-memory.dmp

Filesize
56KB

Download
memory/4940-2-0x00000000020A0000-0x00000000020A5000-memory.dmp

Filesize
20KB

Download
memory/4940-1-0x00000000020A0000-0x00000000020A5000-memory.dmp

Filesize
20KB

Download
memory/4940-4-0x00000000020A0000-0x00000000020A5000-memory.dmp

Filesize
20KB

Download