7c724da4ee2ced980a27bef2ebf2489c006b851fe89a760bec3ba60e2c1968d9

Analysis

max time kernel
141s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
19-05-2024 20:33

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General

Target

2024-05-19_d01f08169ca42213c00b812cab600fed_cryptolocker.exe
Size

66KB
MD5

d01f08169ca42213c00b812cab600fed
SHA1

06d66ab599c8a2d1b93e6c19faab63bb939ddb1e
SHA256

7c724da4ee2ced980a27bef2ebf2489c006b851fe89a760bec3ba60e2c1968d9
SHA512

e15d3317a601ddaa8bd5a8c82a7f277250be46b3b3e60921367d8d0a53daddceb91141cf7f393995e4917611f742b1e34dbc341cdb1f2e33970806ed296321b8
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2l9tMPvdfGyG:TCjsIOtEvwDpj5HE/OUHnSMYn

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral2/memory/4980-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral2/files/0x000600000002329e-13.dat	CryptoLocker_rule2
behavioral2/memory/4724-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/4980-18-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral2/memory/4724-48-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral2/memory/4980-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral2/files/0x000600000002329e-13.dat	CryptoLocker_set1
behavioral2/memory/4724-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral2/memory/4980-18-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral2/memory/4724-48-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1

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-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	2024-05-19_d01f08169ca42213c00b812cab600fed_cryptolocker.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	misid.exe

Executes dropped EXE 1 IoCs

pid	Process
4724	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 4980 wrote to memory of 4724	4980	2024-05-19_d01f08169ca42213c00b812cab600fed_cryptolocker.exe	83
PID 4980 wrote to memory of 4724	4980	2024-05-19_d01f08169ca42213c00b812cab600fed_cryptolocker.exe	83
PID 4980 wrote to memory of 4724	4980	2024-05-19_d01f08169ca42213c00b812cab600fed_cryptolocker.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-05-19_d01f08169ca42213c00b812cab600fed_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-19_d01f08169ca42213c00b812cab600fed_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4980
- 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:4724

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
66KB

MD5
57ffcec642a0c5d1e4d4c0a79fe87f65

SHA1
6b53536476d4d0f96a13bcc20484186fef3dbaf5

SHA256
44a087d1c375cae07eb888f4dd16ea13caad77c7782f42bb49a5487697d10eaf

SHA512
060d301093eefba0c8cd4915914d3afeab736676f9e57b84d8be644e972752128685fb7ccc1cf76a5cbabd487af100d1abf726ddcb4a2c3aaad89da009c1524d

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

Filesize
315B

MD5
a34ac19f4afae63adc5d2f7bc970c07f

SHA1
a82190fc530c265aa40a045c21770d967f4767b8

SHA256
d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

SHA512
42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

Download Submit
memory/4724-17-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/4724-48-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/4980-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/4980-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4980-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/4980-9-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/4980-18-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download