3b4192405e91baefc50fa568c036098cd397ee8b495defde9be8e1b21b44fc1d

Analysis

max time kernel
132s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
22-05-2024 19:06

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General

Target

20240521be8bcee80fb5673afa76793df204465ecryptolocker.exe
Size

35KB
MD5

be8bcee80fb5673afa76793df204465e
SHA1

dd1c4eb8d4e5bc701291105955b8310d9447cee0
SHA256

3b4192405e91baefc50fa568c036098cd397ee8b495defde9be8e1b21b44fc1d
SHA512

50df228b4ed585f3eb0c6ccffe9bb08a84b3ef80ad682224ebf9b2b706e0d2c716bc6b7797f15a7c0c0ad9aaf88791b3e9015fbe7145db8e2cb25640845f0652
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6ckJp0qAgmEzXKxA+T9rj:bAvJCYOOvbRPDEgXRc+BAILiJj

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

20240521be8bcee80fb5673afa76793df204465ecryptolocker.exedemka.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	20240521be8bcee80fb5673afa76793df204465ecryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation	demka.exe

Executes dropped EXE 1 IoCs

Processes:

demka.exe

pid process

1220 demka.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1220	demka.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

20240521be8bcee80fb5673afa76793df204465ecryptolocker.exe

description	pid	process	target process
PID 1620 wrote to memory of 1220	1620	20240521be8bcee80fb5673afa76793df204465ecryptolocker.exe	demka.exe
PID 1620 wrote to memory of 1220	1620	20240521be8bcee80fb5673afa76793df204465ecryptolocker.exe	demka.exe
PID 1620 wrote to memory of 1220	1620	20240521be8bcee80fb5673afa76793df204465ecryptolocker.exe	demka.exe

C:\Users\Admin\AppData\Local\Temp\20240521be8bcee80fb5673afa76793df204465ecryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\20240521be8bcee80fb5673afa76793df204465ecryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Users\Admin\AppData\Local\Temp\demka.exe
  "C:\Users\Admin\AppData\Local\Temp\demka.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:1220

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\Local\Temp\demka.exe

Filesize
35KB

MD5
a902e3ac4a0d8668f7cf31f6fd13856f

SHA1
78243712256b7a1e8a7b880784c3dde60790744d

SHA256
22283f710a9a7ee375030b1b5565ab1068d27d0c5aec64cc44d014f8b51cbc73

SHA512
014e3ba6cb0a0d7e8e06828794e542394a9cde198833874be02530688dcaae1173a71933aef0e0a03c48d4ad631ab0ddfc8b2420858059a0d41baa03a893e2c0

Download Submit
C:\Users\Admin\AppData\Local\Temp\medkem.exe

Filesize
186B

MD5
f9647a67477f6eb057009af98d990fcb

SHA1
2fb06492f268650c7b2519c08ec9e62d9edb0c55

SHA256
0cbb0514b0f5d45a27e96694bb4932287dda0718acbbaccb796f06edc4d85dbe

SHA512
8a74f08d66a13788d96388a358117aa28e51f3dfce7e08c4008f28bb7cca4738cd9ecd54df2118c84bd43efce965f8e0cfe7c3fe6822194a652966abff81439d

Download Submit
memory/1220-19-0x00000000005D0000-0x00000000005D6000-memory.dmp

Filesize
24KB

Download
memory/1620-0-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/1620-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/1620-8-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download