74ce10e29960f6996cc7c51aa73eaa857cbdeaca42964e62ee06c6c60edc5b76

Analysis

max time kernel
109s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2022 11:39

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General

Target

74ce10e29960f6996cc7c51aa73eaa857cbdeaca42964e62ee06c6c60edc5b76.exe
Size

71KB
MD5

998782d6436daa9ea79cfbc7287089e1
SHA1

24480e6eb1604b8ade152fd365b3a4c339eca32c
SHA256

74ce10e29960f6996cc7c51aa73eaa857cbdeaca42964e62ee06c6c60edc5b76
SHA512

68effa3626cb06f0ddff52bb6a8468a58a75217518808e5de58648eacd62cd642cd651fb50db52d59b61a31863e7f1dfe83360fed1af08de84167933274f636d
SSDEEP

1536:KQRJQxTWZE27YHJkuXEohW3b1wOKcUelGTDXs5GfiOqJJJ:KQRJQVWyoYpHXIqOJGTDc5ce7J

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Server.exe

pid process

2544 Server.exe

pid	process
2544	Server.exe

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

Processes:

74ce10e29960f6996cc7c51aa73eaa857cbdeaca42964e62ee06c6c60edc5b76.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Control Panel\International\Geo\Nation	74ce10e29960f6996cc7c51aa73eaa857cbdeaca42964e62ee06c6c60edc5b76.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2636 2544 WerFault.exe Server.exe

pid	pid_target	process	target process
2636	2544	WerFault.exe	Server.exe

Modifies registry class 1 IoCs

Processes:

74ce10e29960f6996cc7c51aa73eaa857cbdeaca42964e62ee06c6c60edc5b76.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000_Classes\Local Settings	74ce10e29960f6996cc7c51aa73eaa857cbdeaca42964e62ee06c6c60edc5b76.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

74ce10e29960f6996cc7c51aa73eaa857cbdeaca42964e62ee06c6c60edc5b76.exe

description	pid	process	target process
PID 4412 wrote to memory of 2544	4412	74ce10e29960f6996cc7c51aa73eaa857cbdeaca42964e62ee06c6c60edc5b76.exe	Server.exe
PID 4412 wrote to memory of 2544	4412	74ce10e29960f6996cc7c51aa73eaa857cbdeaca42964e62ee06c6c60edc5b76.exe	Server.exe

C:\Users\Admin\AppData\Local\Temp\74ce10e29960f6996cc7c51aa73eaa857cbdeaca42964e62ee06c6c60edc5b76.exe
"C:\Users\Admin\AppData\Local\Temp\74ce10e29960f6996cc7c51aa73eaa857cbdeaca42964e62ee06c6c60edc5b76.exe"
1⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4412

C:\Users\Admin\AppData\Local\Temp\Server.exe
"C:\Users\Admin\AppData\Local\Temp\Server.exe"
2⤵
- Executes dropped EXE
PID:2544

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2544 -s 984
3⤵
- Program crash
PID:2636

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 428 -p 2544 -ip 2544
1⤵
PID:1912

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4340

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Server.exe
Filesize
48KB

MD5
481f790c8caadb7049f86356258ed6b0

SHA1
5308e220e1db9393aceb9cb7089d4087d7689a44

SHA256
3c15950b7c0aa0f2a81571e218f059fe0db9b7fa04c3fb6d6b674c1bb579c582

SHA512
18748a743a389c67791c5506144f220d67fb1d919c69ca597162f45108022ced7086e175db3278036b34396bf3020f157badd8642ffc8557c0f28c2a9151e98f

Download Submit
C:\Users\Admin\AppData\Local\Temp\Server.exe
Filesize
48KB

MD5
481f790c8caadb7049f86356258ed6b0

SHA1
5308e220e1db9393aceb9cb7089d4087d7689a44

SHA256
3c15950b7c0aa0f2a81571e218f059fe0db9b7fa04c3fb6d6b674c1bb579c582

SHA512
18748a743a389c67791c5506144f220d67fb1d919c69ca597162f45108022ced7086e175db3278036b34396bf3020f157badd8642ffc8557c0f28c2a9151e98f

Download Submit
memory/2544-132-0x0000000000000000-mapping.dmp

Download
memory/2544-135-0x0000000000410000-0x0000000000422000-memory.dmp

Filesize
72KB

Download
memory/2544-136-0x00007FFAB19F0000-0x00007FFAB24B1000-memory.dmp

Filesize
10.8MB

Download
memory/2544-137-0x00007FFAB19F0000-0x00007FFAB24B1000-memory.dmp

Filesize
10.8MB

Download