78d1a006e6dea663d6ec7804532cc74e7f3e878fedf08a1fb28fcb685bad6f63

Analysis

max time kernel
147s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05/04/2024, 09:58

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General

Target

2024-04-05_d3ffc3e68089bba73209560c5803554f_cryptolocker.exe
Size

32KB
MD5

d3ffc3e68089bba73209560c5803554f
SHA1

a7d715b55e86c8323c6b8d6245c6bb5e77f4417c
SHA256

78d1a006e6dea663d6ec7804532cc74e7f3e878fedf08a1fb28fcb685bad6f63
SHA512

bedf72bee51e9bc44e0b4e73445cd65fb2b3a77945c4646913ce5d1869933d2e7e889eaa7d5f54a341bf3091e39d41e4817db43c70117877418a472c4d5509c0
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6cuah0G1+2aW:bAvJCYOOvbRPDEgXRcN1j

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0008000000023206-12.dat	CryptoLocker_rule2

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation	2024-04-05_d3ffc3e68089bba73209560c5803554f_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation	demka.exe

Executes dropped EXE 1 IoCs

pid	Process
1752	demka.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3992 wrote to memory of 1752	3992	2024-04-05_d3ffc3e68089bba73209560c5803554f_cryptolocker.exe	86
PID 3992 wrote to memory of 1752	3992	2024-04-05_d3ffc3e68089bba73209560c5803554f_cryptolocker.exe	86
PID 3992 wrote to memory of 1752	3992	2024-04-05_d3ffc3e68089bba73209560c5803554f_cryptolocker.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-04-05_d3ffc3e68089bba73209560c5803554f_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-05_d3ffc3e68089bba73209560c5803554f_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3992
- 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:1752

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\demka.exe

Filesize
32KB

MD5
8bc005494c3556b18e6b8161b0f000de

SHA1
a79c588563b6e119844c470bfed017c057be03da

SHA256
3b1adeb518d5e6c27a69c4346c818a69ac0c00ec4413c0cfb618146d8176ecf3

SHA512
5b2cc69419830b91c38c2acafedf1a3bd6868d302ff69bd00b847d59ce6b850de5f758b154503bb2c766bf5234fcfe29a1d5fdf77da4af9bf152f523d417faca

Download Submit
memory/1752-25-0x00000000006F0000-0x00000000006F6000-memory.dmp

Filesize
24KB

Download
memory/3992-0-0x00000000022C0000-0x00000000022C6000-memory.dmp

Filesize
24KB

Download
memory/3992-1-0x00000000022C0000-0x00000000022C6000-memory.dmp

Filesize
24KB

Download
memory/3992-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download