abb6a4f58cdc15b5f67ac671302afdb18439ab2c223177f4c7c13b3b27cd5084

Analysis

max time kernel
144s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 15:38

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General

Target

2024-02-04_e414f268e547f5003fcefa71237f5420_cryptolocker.exe
Size

59KB
MD5

e414f268e547f5003fcefa71237f5420
SHA1

8ec16c29011179a223917be9d0f753aafdcf61c7
SHA256

abb6a4f58cdc15b5f67ac671302afdb18439ab2c223177f4c7c13b3b27cd5084
SHA512

0423afef6b8e865c08efe0d3eb61c636050a33fdea3308ebe3995cdb738e221b126e193fabbac6a798ee71ac8c3d2d204ccbb0fda7d91824111d29a90f5addff
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj38lD/cMAT+lBOY:ZVxkGOtEvwDpjc

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral2/files/0x0007000000023112-12.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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	2024-02-04_e414f268e547f5003fcefa71237f5420_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

pid	Process
2252	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 2976 wrote to memory of 2252	2976	2024-02-04_e414f268e547f5003fcefa71237f5420_cryptolocker.exe	84
PID 2976 wrote to memory of 2252	2976	2024-02-04_e414f268e547f5003fcefa71237f5420_cryptolocker.exe	84
PID 2976 wrote to memory of 2252	2976	2024-02-04_e414f268e547f5003fcefa71237f5420_cryptolocker.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-02-04_e414f268e547f5003fcefa71237f5420_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-04_e414f268e547f5003fcefa71237f5420_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  PID:2252

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
59KB

MD5
945e0bacbc61f7ad81c42c7887f4ecd9

SHA1
a429a327556068a596b3d52be50b4061d8cc8674

SHA256
366cf463fe8ca9eec62317ca5e06e6450ba30ef1f78b73c22f4d59fb8b3ada05

SHA512
360211e832a44be7f48428445ab07ddb1e49098401a0735ac69d453db98b6d6498411be6fbd6ac836f92d757226ef46aa86edcadbe9bb8df54a49a9b86c36a92

Download Submit
memory/2252-16-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/2252-18-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/2252-19-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/2252-55-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/2976-0-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/2976-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/2976-2-0x0000000000610000-0x0000000000616000-memory.dmp

Filesize
24KB

Download