b7a08f3f6dfa8ec3ed05b71ddb670f92d55bba3581b91a5b5bf757648f4ee500

Analysis

max time kernel
100s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
06-10-2022 12:07

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General

Target

b7a08f3f6dfa8ec3ed05b71ddb670f92d55bba3581b91a5b5bf757648f4ee500.exe
Size

1.6MB
MD5

ae5ddd836d7f2737ef8183cefec775ef
SHA1

7e7b11958524403ee8f76f78ebb0ccd988e06fd6
SHA256

b7a08f3f6dfa8ec3ed05b71ddb670f92d55bba3581b91a5b5bf757648f4ee500
SHA512

94a8aea0ebc2add031511bbd0ad03227107e30da30e19f60444a1db7256d17c3fc913f23e58cba8c73a6305ebd73520b8e5fe52e3517c21bff9e3d1d519857c4
SSDEEP

49152:VJ4os+zktgsVulGE7jlEb8FgQ7UbT/8n57XRAjo:VJ4Y6oJtK8FgwUrcoo

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-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	b7a08f3f6dfa8ec3ed05b71ddb670f92d55bba3581b91a5b5bf757648f4ee500.exe

Loads dropped DLL 2 IoCs

pid	Process
2120	regsvr32.exe
2120	regsvr32.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4784 wrote to memory of 2120	4784	b7a08f3f6dfa8ec3ed05b71ddb670f92d55bba3581b91a5b5bf757648f4ee500.exe	84
PID 4784 wrote to memory of 2120	4784	b7a08f3f6dfa8ec3ed05b71ddb670f92d55bba3581b91a5b5bf757648f4ee500.exe	84
PID 4784 wrote to memory of 2120	4784	b7a08f3f6dfa8ec3ed05b71ddb670f92d55bba3581b91a5b5bf757648f4ee500.exe	84

C:\Users\Admin\AppData\Local\Temp\b7a08f3f6dfa8ec3ed05b71ddb670f92d55bba3581b91a5b5bf757648f4ee500.exe
"C:\Users\Admin\AppData\Local\Temp\b7a08f3f6dfa8ec3ed05b71ddb670f92d55bba3581b91a5b5bf757648f4ee500.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4784
- C:\Windows\SysWOW64\regsvr32.exe
  "C:\Windows\System32\regsvr32.exe" .\CoTqWXD.0 -u /s
  2⤵
  - Loads dropped DLL
  PID:2120

Network

MITRE ATT&CK Enterprise v6

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\CoTqWXD.0

Filesize
1.8MB

MD5
9896d3803338c31e95f8d3342d940647

SHA1
9f31fe6fc81091155f5e03e43252ebca1fa0467d

SHA256
5a99a80992451eef234dad0514fc663f3c281232b682f48bb557311dd7bfbeab

SHA512
95bfdd7636c0ba46b4f3da57f3e9d8f48fabee6140d6553a3d79cda66159485c91c02d7c5e877bff87fe430bcd8a566fbfd9ff9122beb20391c5322abe05c684

Download Submit
C:\Users\Admin\AppData\Local\Temp\CoTqWXD.0

Filesize
1.8MB

MD5
9896d3803338c31e95f8d3342d940647

SHA1
9f31fe6fc81091155f5e03e43252ebca1fa0467d

SHA256
5a99a80992451eef234dad0514fc663f3c281232b682f48bb557311dd7bfbeab

SHA512
95bfdd7636c0ba46b4f3da57f3e9d8f48fabee6140d6553a3d79cda66159485c91c02d7c5e877bff87fe430bcd8a566fbfd9ff9122beb20391c5322abe05c684

Download Submit
C:\Users\Admin\AppData\Local\Temp\CoTqWXD.0

Filesize
1.8MB

MD5
9896d3803338c31e95f8d3342d940647

SHA1
9f31fe6fc81091155f5e03e43252ebca1fa0467d

SHA256
5a99a80992451eef234dad0514fc663f3c281232b682f48bb557311dd7bfbeab

SHA512
95bfdd7636c0ba46b4f3da57f3e9d8f48fabee6140d6553a3d79cda66159485c91c02d7c5e877bff87fe430bcd8a566fbfd9ff9122beb20391c5322abe05c684

Download Submit
memory/2120-132-0x0000000000000000-mapping.dmp

Download
memory/2120-136-0x00000000022B0000-0x0000000002477000-memory.dmp

Filesize
1.8MB

Download
memory/2120-137-0x00000000026E0000-0x000000000280F000-memory.dmp

Filesize
1.2MB

Download
memory/2120-138-0x0000000002910000-0x0000000002A08000-memory.dmp

Filesize
992KB

Download
memory/2120-139-0x0000000002A10000-0x0000000002AD2000-memory.dmp

Filesize
776KB

Download
memory/2120-141-0x0000000002AE0000-0x0000000002B8D000-memory.dmp

Filesize
692KB

Download
memory/2120-140-0x0000000002AE0000-0x0000000002B8D000-memory.dmp

Filesize
692KB

Download
memory/2120-143-0x0000000002910000-0x0000000002A08000-memory.dmp

Filesize
992KB

Download