b7446198c16d7bd84729e46f8cc5c485969701eea6fb0cd77d8bb42208df68b5

General

Target

b7446198c16d7bd84729e46f8cc5c485969701eea6fb0cd77d8bb42208df68b5.exe
Size

10.4MB
MD5

ab624aa0421559dc1e7f85f3b3f04292
SHA1

52c3ef4923a719e2770818117a55a7a87e97fab4
SHA256

b7446198c16d7bd84729e46f8cc5c485969701eea6fb0cd77d8bb42208df68b5
SHA512

4359a5fbd4914241bd7224ca384b3c4783074901b31f7f7c7726f25cdbcdcd2c9167010a1fb4357b2b713935651155d64b4edd7d20bb184d8cf04ab11038df40
SSDEEP

196608:uo9sdr8m8dYqsBmiFm4CTqfG+vTiwnDmNQkJM8uDIYnKOc7rp9A:z948dD4F3e+biSDcQwM8uDuNA

Score

7^/10

discovery

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-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	b7446198c16d7bd84729e46f8cc5c485969701eea6fb0cd77d8bb42208df68b5.exe

Executes dropped EXE 1 IoCs

pid	Process
3620	aria2c.exe

Loads dropped DLL 1 IoCs

pid	Process
3456	b7446198c16d7bd84729e46f8cc5c485969701eea6fb0cd77d8bb42208df68b5.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b7446198c16d7bd84729e46f8cc5c485969701eea6fb0cd77d8bb42208df68b5.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
3456	b7446198c16d7bd84729e46f8cc5c485969701eea6fb0cd77d8bb42208df68b5.exe
3456	b7446198c16d7bd84729e46f8cc5c485969701eea6fb0cd77d8bb42208df68b5.exe
3456	b7446198c16d7bd84729e46f8cc5c485969701eea6fb0cd77d8bb42208df68b5.exe
3456	b7446198c16d7bd84729e46f8cc5c485969701eea6fb0cd77d8bb42208df68b5.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
3456	b7446198c16d7bd84729e46f8cc5c485969701eea6fb0cd77d8bb42208df68b5.exe
3456	b7446198c16d7bd84729e46f8cc5c485969701eea6fb0cd77d8bb42208df68b5.exe
3456	b7446198c16d7bd84729e46f8cc5c485969701eea6fb0cd77d8bb42208df68b5.exe
3456	b7446198c16d7bd84729e46f8cc5c485969701eea6fb0cd77d8bb42208df68b5.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3456	b7446198c16d7bd84729e46f8cc5c485969701eea6fb0cd77d8bb42208df68b5.exe
3456	b7446198c16d7bd84729e46f8cc5c485969701eea6fb0cd77d8bb42208df68b5.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3456 wrote to memory of 3620	3456	b7446198c16d7bd84729e46f8cc5c485969701eea6fb0cd77d8bb42208df68b5.exe	94
PID 3456 wrote to memory of 3620	3456	b7446198c16d7bd84729e46f8cc5c485969701eea6fb0cd77d8bb42208df68b5.exe	94

C:\Users\Admin\AppData\Local\Temp\b7446198c16d7bd84729e46f8cc5c485969701eea6fb0cd77d8bb42208df68b5.exe
"C:\Users\Admin\AppData\Local\Temp\b7446198c16d7bd84729e46f8cc5c485969701eea6fb0cd77d8bb42208df68b5.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3456
- 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=3456
  2⤵
  - Executes dropped EXE
  PID:3620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

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/3620-28-0x0000000000400000-0x00000000008CE000-memory.dmp

Filesize
4.8MB

Download
memory/3620-29-0x0000000000400000-0x00000000008CE000-memory.dmp

Filesize
4.8MB

Download

Analysis

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