8ef5a2014dd38e551cb09ac0f387b5cb62723af061f1ef2dab51fdcd7a5f213c

Analysis

max time kernel
95s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
28-05-2024 18:58

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General

Target

8ef5a2014dd38e551cb09ac0f387b5cb62723af061f1ef2dab51fdcd7a5f213c.exe
Size

10.3MB
MD5

44c10e048dae17d4a9af3789ecd3304c
SHA1

43dda879e39e775d0871df044f99090310069692
SHA256

8ef5a2014dd38e551cb09ac0f387b5cb62723af061f1ef2dab51fdcd7a5f213c
SHA512

7e8b17ebb81df6203a9defe0b921371109cb7c10b0e9176796dfcbaa7c75ce00ecbc6e1a098b7da1bb7d10fb775d983837a4654bdfdc5ec16283443bd18fa0e7
SSDEEP

196608:67M8xm8lYqsBmiFm4CTqfG+vTiwnDmNQkJM8uDIYnKOW7V:AM8xm8lD4F3e+biSDcQwM8uDuz

Score

7^/10

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-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation	8ef5a2014dd38e551cb09ac0f387b5cb62723af061f1ef2dab51fdcd7a5f213c.exe

Executes dropped EXE 1 IoCs

pid	Process
2252	aria2c.exe

Loads dropped DLL 1 IoCs

pid	Process
1140	8ef5a2014dd38e551cb09ac0f387b5cb62723af061f1ef2dab51fdcd7a5f213c.exe

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

System Information Discovery
T1082

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
1140	8ef5a2014dd38e551cb09ac0f387b5cb62723af061f1ef2dab51fdcd7a5f213c.exe
1140	8ef5a2014dd38e551cb09ac0f387b5cb62723af061f1ef2dab51fdcd7a5f213c.exe
1140	8ef5a2014dd38e551cb09ac0f387b5cb62723af061f1ef2dab51fdcd7a5f213c.exe
1140	8ef5a2014dd38e551cb09ac0f387b5cb62723af061f1ef2dab51fdcd7a5f213c.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
1140	8ef5a2014dd38e551cb09ac0f387b5cb62723af061f1ef2dab51fdcd7a5f213c.exe
1140	8ef5a2014dd38e551cb09ac0f387b5cb62723af061f1ef2dab51fdcd7a5f213c.exe
1140	8ef5a2014dd38e551cb09ac0f387b5cb62723af061f1ef2dab51fdcd7a5f213c.exe
1140	8ef5a2014dd38e551cb09ac0f387b5cb62723af061f1ef2dab51fdcd7a5f213c.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1140	8ef5a2014dd38e551cb09ac0f387b5cb62723af061f1ef2dab51fdcd7a5f213c.exe
1140	8ef5a2014dd38e551cb09ac0f387b5cb62723af061f1ef2dab51fdcd7a5f213c.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 2252	1140	8ef5a2014dd38e551cb09ac0f387b5cb62723af061f1ef2dab51fdcd7a5f213c.exe	92
PID 1140 wrote to memory of 2252	1140	8ef5a2014dd38e551cb09ac0f387b5cb62723af061f1ef2dab51fdcd7a5f213c.exe	92

C:\Users\Admin\AppData\Local\Temp\8ef5a2014dd38e551cb09ac0f387b5cb62723af061f1ef2dab51fdcd7a5f213c.exe
"C:\Users\Admin\AppData\Local\Temp\8ef5a2014dd38e551cb09ac0f387b5cb62723af061f1ef2dab51fdcd7a5f213c.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1140
- C:\Users\Admin\AppData\Roaming\datatemp\aria2c.exe
  "C:\Users\Admin\AppData\Roaming\datatemp\aria2c.exe" --conf-path=C:\Users\Admin\AppData\Roaming\datatemp\aria2.conf #--save-session=C:\Users\Admin\AppData\Roaming\datatemp\aria2.session --input-file=C:\Users\Admin\AppData\Roaming\datatemp\aria2.session --rpc-listen-port=7022 --listen-port=7055 --dht-listen-port=7033 --enable-rpc=true --rpc-allow-origin-all=true --disable-ipv6=false --rpc-secret=123 --enable-dht=true --enable-dht6=true --dht-file-path=C:/Users/Admin/AppData/Roaming/datatemp/dht.dat --dht-file-path6=C:/Users/Admin/AppData/Roaming/datatemp/dht6.dat --bt-external-ip= --stop-with-process=1140
  2⤵
  - Executes dropped EXE
  PID:2252

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\Roaming\datatemp\aria2.conf

Filesize
55KB

MD5
4a1b71ede6ff12456038f6a26e356a42

SHA1
16af6552ebbeb0300d1451715add745e840ff993

SHA256
0ee9c9e686a595f86d25854bca6e92e8bfd51437a28306b4eaebf736156cc7ee

SHA512
bea15214c76083c86f4104e569bb93ba7000e4e555382b6cc97e0c9bdb6b4de72f50b8458d4c3420e073edefe4f40b7eea580000001d089fd5c78e303fbd8501

Download Submit
C:\Users\Admin\AppData\Roaming\datatemp\aria2c.exe

Filesize
4.8MB

MD5
a5c047f169471bd325552c255d6c04af

SHA1
e313cff2f3d668ec5d0e90920bd622b0f38aed9d

SHA256
cec8bb942475690363c1558fdf55e3cf59f29607967a822a626d4976a348334a

SHA512
6cf929d36ea0c95815d3218a3b11f0c8f539a6113c368642a70d41379145ba7ace9aed1e5b78836a4cd2ca861d9bcd10fea3e7fc126adb85822ed4cf4f762f0d

Download Submit
C:\Users\Admin\AppData\Roaming\datatemp\libcurl.dll

Filesize
2.5MB

MD5
298f5812023bab65ee23d13ee9489a6e

SHA1
71e9d7f205e5e7af6907c539c77a3aeea971692f

SHA256
fe100d35b034c15ae3b74379f4eedd321c8e4b84fe666b54ee924ca2a8bdca6e

SHA512
217258fb7728f61199f913fb98c894077c12a124e1596d1c6c7cfc065d4d2a6e1e03ad950c3321e2a8dcd997fb5c9524f98530db4bcb39f9914ecb5ff0e22dbd

Download Submit
memory/2252-28-0x0000000000400000-0x00000000008CE000-memory.dmp

Filesize
4.8MB

Download
memory/2252-29-0x0000000000400000-0x00000000008CE000-memory.dmp

Filesize
4.8MB

Download