9bff13e2c5156cdcdecf2c3ac3bbb73907b1d722a5d289f2471c4d8681ceb97b

Analysis

max time kernel
147s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10-04-2024 16:38

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General

Target

2024-04-10_53a714a210f5ac939a62a7ee9ad4ecee_cryptolocker.exe
Size

33KB
MD5

53a714a210f5ac939a62a7ee9ad4ecee
SHA1

8fd93daa98aecf9ef4b6a4c37789a64f860504a3
SHA256

9bff13e2c5156cdcdecf2c3ac3bbb73907b1d722a5d289f2471c4d8681ceb97b
SHA512

c61e268a8f7a052fd224e2d685362939ec8cd0944c90dfb93c9a4ae26b154d90769c4822ce76001dfa482db6066469851e383eb1517bfb0e421fa0428eccff3f
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzo6cuah0G1+2auD:bAvJCYOOvbRPDEgXRcN1/

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000800000002322f-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-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	2024-04-10_53a714a210f5ac939a62a7ee9ad4ecee_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	demka.exe

Executes dropped EXE 1 IoCs

pid	Process
3172	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 1792 wrote to memory of 3172	1792	2024-04-10_53a714a210f5ac939a62a7ee9ad4ecee_cryptolocker.exe	85
PID 1792 wrote to memory of 3172	1792	2024-04-10_53a714a210f5ac939a62a7ee9ad4ecee_cryptolocker.exe	85
PID 1792 wrote to memory of 3172	1792	2024-04-10_53a714a210f5ac939a62a7ee9ad4ecee_cryptolocker.exe	85

C:\Users\Admin\AppData\Local\Temp\2024-04-10_53a714a210f5ac939a62a7ee9ad4ecee_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-10_53a714a210f5ac939a62a7ee9ad4ecee_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1792
- 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:3172

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
33KB

MD5
707ba128ce02a8caf08e2e69078bd820

SHA1
4576f24ae6e7df003514bed0e49ee93a8dfe2c79

SHA256
a1ef3f32327045c7c37f78f6326fc8fa1657035f88850d9ae81c8f40b2329965

SHA512
51c768232309e2d09a30cb2596a2f63bb4fdf8d0a7ea1fb43c2a8f234593c475feb3e6395c588c4b228a1cc9ca5787fa1e407b63bc067f3f2f593e1afdbeb0e1

Download Submit
memory/1792-0-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/1792-1-0x0000000002350000-0x0000000002356000-memory.dmp

Filesize
24KB

Download
memory/1792-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3172-20-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download