8d2adfb0f31e848247b86467ab1aa5136da13e665088268ec9706024b64b9d45

Analysis

max time kernel
144s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19/03/2024, 02:12

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General

Target

8886333b8ebbb820ae9af087bbb3d97a.exe
Size

61KB
MD5

8886333b8ebbb820ae9af087bbb3d97a
SHA1

fed0dc5b29be6f7fef72b2d332c555ba8ab5f1bf
SHA256

8d2adfb0f31e848247b86467ab1aa5136da13e665088268ec9706024b64b9d45
SHA512

5081fcba59ad4c95b7f0d6e1e520602bdaf48556c2d5d189c25cd000b8a748dc934ed3ae717643dec37949c3bac16c9ef7b95a44c80c3d9b5f5349e77d708b70
SSDEEP

768:P8mnjO6LsoEEeegiZPvEhHSG+gbum/kLyMro2GtOOtEvwDpjKvWxHCbSVaFn0jKW:P8mnK6QFElP6n+gymddpMOtEvwDpjYc

Score

7^/10

upx

Malware Config

Signatures

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-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	8886333b8ebbb820ae9af087bbb3d97a.exe

Executes dropped EXE 1 IoCs

pid	Process
1752	asih.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2604-0-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral2/files/0x000400000001e5eb-13.dat	upx
behavioral2/memory/2604-16-0x0000000000500000-0x000000000050F311-memory.dmp	upx
behavioral2/memory/1752-26-0x0000000000500000-0x000000000050F311-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 3 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 1752	2604	8886333b8ebbb820ae9af087bbb3d97a.exe	89
PID 2604 wrote to memory of 1752	2604	8886333b8ebbb820ae9af087bbb3d97a.exe	89
PID 2604 wrote to memory of 1752	2604	8886333b8ebbb820ae9af087bbb3d97a.exe	89

C:\Users\Admin\AppData\Local\Temp\8886333b8ebbb820ae9af087bbb3d97a.exe
"C:\Users\Admin\AppData\Local\Temp\8886333b8ebbb820ae9af087bbb3d97a.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2604
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1752

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\asih.exe

Filesize
61KB

MD5
575914ead2a3c6d413b6b7a447e3148d

SHA1
dece7d0220a1818668421db58d99cadd368097e7

SHA256
c8781f83321f25903cb580bf9753bd682cde156ae6382c0f5431000e8602602c

SHA512
5d680707a91d581f0d82e2c3a992870c30093c10ccb4731525e762f7fb4fced832b15a7a6b87b6d138b03aaffd6e37be04fb1f37538e98ba032e0c1ae8742443

Download Submit
memory/1752-19-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1752-24-0x0000000000730000-0x0000000000736000-memory.dmp

Filesize
24KB

Download
memory/1752-26-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/2604-0-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download
memory/2604-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2604-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2604-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2604-16-0x0000000000500000-0x000000000050F311-memory.dmp

Filesize
60KB

Download