c060a1d907a218d62a6f5cd59fc7e342c54037ef049a0fdc0b569d4129f9e6e1

Analysis

max time kernel
149s
max time network
152s
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 04:40

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General

Target

2024-03-14_8cc362819f29f28214cd33aaddb00e92_cryptolocker.exe
Size

36KB
MD5

8cc362819f29f28214cd33aaddb00e92
SHA1

9ad1d018f15d06e5bd8fe86a5fe33cfad9d8f58c
SHA256

c060a1d907a218d62a6f5cd59fc7e342c54037ef049a0fdc0b569d4129f9e6e1
SHA512

0cd03b2da34f73a962fcf100799c4ec501f29c8d4b5eb74e02dd7375e69bd7f85499720ddf59ef59c965c20d2ba1e80881b86754a1718f1077f659c100c1fa45
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/UkRYzMAZ+a:vj+jsMQMOtEvwDpj5HcSYPt

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000400000001e5eb-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000400000001e5eb-12.dat	CryptoLocker_set1

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-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	2024-03-14_8cc362819f29f28214cd33aaddb00e92_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
5008	misid.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 2360 wrote to memory of 5008	2360	2024-03-14_8cc362819f29f28214cd33aaddb00e92_cryptolocker.exe	89
PID 2360 wrote to memory of 5008	2360	2024-03-14_8cc362819f29f28214cd33aaddb00e92_cryptolocker.exe	89
PID 2360 wrote to memory of 5008	2360	2024-03-14_8cc362819f29f28214cd33aaddb00e92_cryptolocker.exe	89

C:\Users\Admin\AppData\Local\Temp\2024-03-14_8cc362819f29f28214cd33aaddb00e92_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-14_8cc362819f29f28214cd33aaddb00e92_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:5008

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\misid.exe

Filesize
37KB

MD5
a3e63e637e0c31e09161c07cf8b7d57b

SHA1
1de7407c89f2c29744c5e3dcb7582c1385793f60

SHA256
c1e4bcbe6edf96292398bb9049589a195ea02deb2f88fb172ccb052a59e254d3

SHA512
536ccb1c02e03ac5895c1107e18c0355ac445891a42010196f14d6875f0a713bc6cb6c594f0862c384a87bef6b0560a89d8c8c17cddcb79c39daae15ba74f2b5

Download Submit
memory/2360-0-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/2360-1-0x0000000002190000-0x0000000002196000-memory.dmp

Filesize
24KB

Download
memory/2360-2-0x00000000021B0000-0x00000000021B6000-memory.dmp

Filesize
24KB

Download
memory/5008-17-0x00000000006E0000-0x00000000006E6000-memory.dmp

Filesize
24KB

Download
memory/5008-23-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download