b7fafb346ea5a95ddfba454bdd7a0730a717992faf40923328d8ebbbdcbea88c

Analysis

max time kernel
62s
max time network
58s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
30-04-2024 01:50

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General

Target

b7fafb346ea5a95ddfba454bdd7a0730a717992faf40923328d8ebbbdcbea88c.exe
Size

125KB
MD5

a891c843d76d0ff0738e6219d00ed006
SHA1

a35afcaf2885fa223d4663cf5d3604a6709bbb76
SHA256

b7fafb346ea5a95ddfba454bdd7a0730a717992faf40923328d8ebbbdcbea88c
SHA512

399fecbb0f52e0048d03fb0b5a3cbb5861df514f977406bc5870b47a96d909989e3fa28f4f18342e9dbf1abbf73ba5107917f83cfb7757da0188bdc58501b49f
SSDEEP

384:2Q/VTtY/7iMmQgVCO02JWuCSPmSQAt6SVT9Nm8pPHAsqFaB8wdCMtZub5oqDopm2:dUF2JTPRQAJi85Lqa2MtXcoELS

Score

9^/10

Malware Config

Signatures

UPX dump on OEP (original entry point) 5 IoCs

resource	yara_rule
behavioral2/memory/1004-0-0x0000000000400000-0x000000000041D000-memory.dmp	UPX
behavioral2/files/0x000d000000023b2e-7.dat	UPX
behavioral2/memory/2904-12-0x0000000000400000-0x000000000041D000-memory.dmp	UPX
behavioral2/memory/1004-11-0x0000000000400000-0x000000000041D000-memory.dmp	UPX
behavioral2/memory/2904-15-0x0000000000400000-0x000000000041D000-memory.dmp	UPX

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	b7fafb346ea5a95ddfba454bdd7a0730a717992faf40923328d8ebbbdcbea88c.exe

Executes dropped EXE 1 IoCs

pid	Process
2904	budha.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 1004 wrote to memory of 2904	1004	b7fafb346ea5a95ddfba454bdd7a0730a717992faf40923328d8ebbbdcbea88c.exe	85
PID 1004 wrote to memory of 2904	1004	b7fafb346ea5a95ddfba454bdd7a0730a717992faf40923328d8ebbbdcbea88c.exe	85
PID 1004 wrote to memory of 2904	1004	b7fafb346ea5a95ddfba454bdd7a0730a717992faf40923328d8ebbbdcbea88c.exe	85

C:\Users\Admin\AppData\Local\Temp\b7fafb346ea5a95ddfba454bdd7a0730a717992faf40923328d8ebbbdcbea88c.exe
"C:\Users\Admin\AppData\Local\Temp\b7fafb346ea5a95ddfba454bdd7a0730a717992faf40923328d8ebbbdcbea88c.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1004
- C:\Users\Admin\AppData\Local\Temp\budha.exe
  "C:\Users\Admin\AppData\Local\Temp\budha.exe"
  2⤵
  - Executes dropped EXE
  PID:2904

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\budha.exe

Filesize
126KB

MD5
c069c39a21ca9c8cd011990427b0b631

SHA1
4b0565f766a2ad9998fc57c34b265f8a20bc857e

SHA256
ffcbe8ccbf27449a96a98543176c2e75220b5b13193a759cab7b46b6a13d2f87

SHA512
7072d39d1875d4da804fd0f78fcfbdee3fd135695bf6c9eb7fb229d510e4149bdc4ceb64003ddf912e4bd732f09ca096f4d44689c86fa01ee210b776357474a1

Download Submit
memory/1004-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1004-2-0x00000000027E0000-0x00000000027E1000-memory.dmp

Filesize
4KB

Download
memory/1004-3-0x00000000027F0000-0x0000000002BF0000-memory.dmp

Filesize
4.0MB

Download
memory/1004-11-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2904-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2904-13-0x0000000002570000-0x0000000002571000-memory.dmp

Filesize
4KB

Download
memory/2904-14-0x00000000025A0000-0x00000000029A0000-memory.dmp

Filesize
4.0MB

Download
memory/2904-15-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download