82950c163c37d5565a5c1a2dd84785d9d23efc3b20e5b1509084a122a8a5ffad

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2024, 07:57

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General

Target

2024-03-14_f7cbce5d704755a261168cf4ffda40c6_cryptolocker.exe
Size

49KB
MD5

f7cbce5d704755a261168cf4ffda40c6
SHA1

f7082a627f02908e6fe6e5be1f30d3e100754d21
SHA256

82950c163c37d5565a5c1a2dd84785d9d23efc3b20e5b1509084a122a8a5ffad
SHA512

b7dabc424e3f989030183001d8e5f495fd8fd213b43809f685cf54211d306937b44115591bbe449ff5b5b99feb4fe0cc64921cbd373e0b09c51c93512fea4096
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6dIKld5CSO9:bgGYcA/53GAA6y37Q6dI+d5C

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000c0000000226fd-12.dat	CryptoLocker_rule2

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-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation	2024-03-14_f7cbce5d704755a261168cf4ffda40c6_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
868	hasfj.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 2292 wrote to memory of 868	2292	2024-03-14_f7cbce5d704755a261168cf4ffda40c6_cryptolocker.exe	88
PID 2292 wrote to memory of 868	2292	2024-03-14_f7cbce5d704755a261168cf4ffda40c6_cryptolocker.exe	88
PID 2292 wrote to memory of 868	2292	2024-03-14_f7cbce5d704755a261168cf4ffda40c6_cryptolocker.exe	88

C:\Users\Admin\AppData\Local\Temp\2024-03-14_f7cbce5d704755a261168cf4ffda40c6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-14_f7cbce5d704755a261168cf4ffda40c6_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2292
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:868

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\hasfj.exe

Filesize
50KB

MD5
6255d34627910c48c51fcae265d37659

SHA1
15c5ae66eb971bb4e25582e7d488b60be7065d59

SHA256
62029c356d40ae7387b1576db507b5c2898eaf10af11d38aa70484c0ae84e9b9

SHA512
6d9164492682c22786d6b9e257dce4e6daa15aac8035a81024b07f1049286f8089b77d00fd4796d5af961725a1330659f1760e12c7d8e39d9e65b46b704a41fb

Download Submit
memory/868-17-0x0000000000640000-0x0000000000646000-memory.dmp

Filesize
24KB

Download
memory/868-19-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/2292-0-0x00000000020A0000-0x00000000020A6000-memory.dmp

Filesize
24KB

Download
memory/2292-1-0x00000000020A0000-0x00000000020A6000-memory.dmp

Filesize
24KB

Download
memory/2292-2-0x0000000003150000-0x0000000003156000-memory.dmp

Filesize
24KB

Download