ec33c2d36f9fc637f0b8e5a40482a364014006ceb63d194d7f4347020542d623

General

Target

ec33c2d36f9fc637f0b8e5a40482a364014006ceb63d194d7f4347020542d623.exe
Size

10.5MB
MD5

833e048918e87b0a6a47182e0af0ffc0
SHA1

b90efbe26c8c90c832309f96afee8652ffe24ef8
SHA256

ec33c2d36f9fc637f0b8e5a40482a364014006ceb63d194d7f4347020542d623
SHA512

7746618b217cb13b7c119d06c9fa604265c3be332017413c32484b91963a539e2a98f5490d79f8357771cfe87fa9f65a38b3df414f5d8e52e5940568286f0862
SSDEEP

196608:hIWM3k85YqsBmiFm4CTqfG+vTiwnDmNQkJM8uDIYnKOo75:RM3k85D4F3e+biSDcQwM8uDup

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2596	aria2c.exe

Loads dropped DLL 2 IoCs

pid	Process
2040	ec33c2d36f9fc637f0b8e5a40482a364014006ceb63d194d7f4347020542d623.exe
2040	ec33c2d36f9fc637f0b8e5a40482a364014006ceb63d194d7f4347020542d623.exe

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

System Information Discovery
T1082

Modifies system certificate store 2 TTPs 2 IoCs

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	ec33c2d36f9fc637f0b8e5a40482a364014006ceb63d194d7f4347020542d623.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	ec33c2d36f9fc637f0b8e5a40482a364014006ceb63d194d7f4347020542d623.exe

Suspicious use of FindShellTrayWindow 5 IoCs

pid	Process
2040	ec33c2d36f9fc637f0b8e5a40482a364014006ceb63d194d7f4347020542d623.exe
2040	ec33c2d36f9fc637f0b8e5a40482a364014006ceb63d194d7f4347020542d623.exe
2040	ec33c2d36f9fc637f0b8e5a40482a364014006ceb63d194d7f4347020542d623.exe
2040	ec33c2d36f9fc637f0b8e5a40482a364014006ceb63d194d7f4347020542d623.exe
2040	ec33c2d36f9fc637f0b8e5a40482a364014006ceb63d194d7f4347020542d623.exe

Suspicious use of SendNotifyMessage 5 IoCs

pid	Process
2040	ec33c2d36f9fc637f0b8e5a40482a364014006ceb63d194d7f4347020542d623.exe
2040	ec33c2d36f9fc637f0b8e5a40482a364014006ceb63d194d7f4347020542d623.exe
2040	ec33c2d36f9fc637f0b8e5a40482a364014006ceb63d194d7f4347020542d623.exe
2040	ec33c2d36f9fc637f0b8e5a40482a364014006ceb63d194d7f4347020542d623.exe
2040	ec33c2d36f9fc637f0b8e5a40482a364014006ceb63d194d7f4347020542d623.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2040	ec33c2d36f9fc637f0b8e5a40482a364014006ceb63d194d7f4347020542d623.exe
2040	ec33c2d36f9fc637f0b8e5a40482a364014006ceb63d194d7f4347020542d623.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 2596	2040	ec33c2d36f9fc637f0b8e5a40482a364014006ceb63d194d7f4347020542d623.exe	29
PID 2040 wrote to memory of 2596	2040	ec33c2d36f9fc637f0b8e5a40482a364014006ceb63d194d7f4347020542d623.exe	29
PID 2040 wrote to memory of 2596	2040	ec33c2d36f9fc637f0b8e5a40482a364014006ceb63d194d7f4347020542d623.exe	29
PID 2040 wrote to memory of 2596	2040	ec33c2d36f9fc637f0b8e5a40482a364014006ceb63d194d7f4347020542d623.exe	29

C:\Users\Admin\AppData\Local\Temp\ec33c2d36f9fc637f0b8e5a40482a364014006ceb63d194d7f4347020542d623.exe
"C:\Users\Admin\AppData\Local\Temp\ec33c2d36f9fc637f0b8e5a40482a364014006ceb63d194d7f4347020542d623.exe"
1⤵
- Loads dropped DLL
- Modifies system certificate store
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2040
- 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=154.61.71.51 --stop-with-process=2040
  2⤵
  - Executes dropped EXE
  PID:2596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

System Information Discovery

1

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
\Users\Admin\AppData\Roaming\datatemp\aria2c.exe

Filesize
4.8MB

MD5
a5c047f169471bd325552c255d6c04af

SHA1
e313cff2f3d668ec5d0e90920bd622b0f38aed9d

SHA256
cec8bb942475690363c1558fdf55e3cf59f29607967a822a626d4976a348334a

SHA512
6cf929d36ea0c95815d3218a3b11f0c8f539a6113c368642a70d41379145ba7ace9aed1e5b78836a4cd2ca861d9bcd10fea3e7fc126adb85822ed4cf4f762f0d

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

Filesize
2.5MB

MD5
298f5812023bab65ee23d13ee9489a6e

SHA1
71e9d7f205e5e7af6907c539c77a3aeea971692f

SHA256
fe100d35b034c15ae3b74379f4eedd321c8e4b84fe666b54ee924ca2a8bdca6e

SHA512
217258fb7728f61199f913fb98c894077c12a124e1596d1c6c7cfc065d4d2a6e1e03ad950c3321e2a8dcd997fb5c9524f98530db4bcb39f9914ecb5ff0e22dbd

Download Submit
memory/2596-46-0x0000000000400000-0x00000000008CE000-memory.dmp

Filesize
4.8MB

Download

Analysis

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