d892e2dfa06319178a1d700f21350a324dc6c61ba832d60c98b046d8504cc6b5

Analysis

max time kernel
0s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
18/01/2024, 23:14

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General

Target

2024-01-18_b06df4b6acbb93cfda35fa96d8542189_cryptolocker.exe
Size

77KB
MD5

b06df4b6acbb93cfda35fa96d8542189
SHA1

5cee1d7f01f2f3682637c7c74c46afac188a1666
SHA256

d892e2dfa06319178a1d700f21350a324dc6c61ba832d60c98b046d8504cc6b5
SHA512

35ce4cead82441798cb3b8cf1080296bf42b9dadef560cd5aa50950b7398fe54f3bf3517b3efae8b795a13e617b423a54849f4a733ef879bcda4a5fb4fc2ac19
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNt:vCjsIOtEvwDpj5H9YvQd2j

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x000400000001e630-12.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral2/files/0x000400000001e630-12.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-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	2024-01-18_b06df4b6acbb93cfda35fa96d8542189_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
228	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 1448 wrote to memory of 228	1448	2024-01-18_b06df4b6acbb93cfda35fa96d8542189_cryptolocker.exe	31
PID 1448 wrote to memory of 228	1448	2024-01-18_b06df4b6acbb93cfda35fa96d8542189_cryptolocker.exe	31
PID 1448 wrote to memory of 228	1448	2024-01-18_b06df4b6acbb93cfda35fa96d8542189_cryptolocker.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-01-18_b06df4b6acbb93cfda35fa96d8542189_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-18_b06df4b6acbb93cfda35fa96d8542189_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1448
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:228

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
77KB

MD5
08704e631a67262e50d54f348466044c

SHA1
717984f4e5c0480fd87ceee0939b035fc279dce9

SHA256
192ef0b44171fcfdbba030d2f3383f70fb327e9b8ac2884e0fba039bbea7c718

SHA512
b6dbc9075c5514d7fe2e55b7974dff2ba0846598cd15a3ad982835be5d9507e2734a402ef9d3acb2071c1941e9144bcd05e39ac0c000dabaeb56d2e5858b9ba2

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

Filesize
315B

MD5
a34ac19f4afae63adc5d2f7bc970c07f

SHA1
a82190fc530c265aa40a045c21770d967f4767b8

SHA256
d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

SHA512
42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

Download Submit
memory/228-17-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/228-18-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/1448-0-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/1448-2-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/1448-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download