2a57393ee6c8be2e6f077f9fcadd9386024fa6371b42e715f459a76dbdc1f49d

Analysis

max time kernel
0s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2024, 09:03

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General

Target

2024-02-01_1090360d26072732ac893b6045f3a6e9_cryptolocker.exe
Size

126KB
MD5

1090360d26072732ac893b6045f3a6e9
SHA1

464022f6d1bbac8637a97efe5e76f4da9177afd5
SHA256

2a57393ee6c8be2e6f077f9fcadd9386024fa6371b42e715f459a76dbdc1f49d
SHA512

ec5ec095473772f4bb5f013c94eb31777fd908a73c7683d91a769356287d9a9c37b9902e3745d17cfe701c027594153c86e7fa4067ccf1c66d796c5e15281a9d
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuBKLUYOVbvh//K:vCjsIOtEvwDpj5H9YvQd2RQ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 3 IoCs

resource	yara_rule
behavioral2/files/0x00070000000231f9-12.dat	CryptoLocker_rule2
behavioral2/files/0x00070000000231f9-14.dat	CryptoLocker_rule2
behavioral2/files/0x00070000000231f9-15.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 3 IoCs

resource	yara_rule
behavioral2/files/0x00070000000231f9-12.dat	CryptoLocker_set1
behavioral2/files/0x00070000000231f9-14.dat	CryptoLocker_set1
behavioral2/files/0x00070000000231f9-15.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-1-5-21-3803511929-1339359695-2191195476-1000\Control Panel\International\Geo\Nation	2024-02-01_1090360d26072732ac893b6045f3a6e9_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
2020	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 1340 wrote to memory of 2020	1340	2024-02-01_1090360d26072732ac893b6045f3a6e9_cryptolocker.exe	31
PID 1340 wrote to memory of 2020	1340	2024-02-01_1090360d26072732ac893b6045f3a6e9_cryptolocker.exe	31
PID 1340 wrote to memory of 2020	1340	2024-02-01_1090360d26072732ac893b6045f3a6e9_cryptolocker.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-02-01_1090360d26072732ac893b6045f3a6e9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-01_1090360d26072732ac893b6045f3a6e9_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1340
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2020

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
9KB

MD5
2f48a912ba52708d11062901eb4c69d0

SHA1
b76949fcd8e9ad26116ae6cef02bc6a0beb18917

SHA256
aa4a538298bdab3ae2786429cf8d0fdc462bc80a4fd1fc124faaa982c344b2e6

SHA512
c995f8d89c50275b12249762d7327f778aeeca7789a002902ed814973915a0200f4363b92ac184c0ee4f23df41792b0035b4425ce6bb759572e1d7c955bd4ebb

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

Filesize
59KB

MD5
9cd964c28ff85e4a892cd7f05d20f981

SHA1
2afbc655be67ca97d8cd18b3b1f443d4d8b84124

SHA256
33efa8c814a94ef97322f6c49e75ba61c05f8458e6cef1f5af9834a0edf398b0

SHA512
62a2fdc59d9eb364597a7f044851362ef2785139578d6305a0866dba6310f208f28f01449870fb1285b0f9a9156d241519a0c891fbceaa9829f66d14e3b01c90

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

Filesize
57KB

MD5
adda64a6e60673a2d42acd2974669539

SHA1
9e612b39bec68e803fc520828b107ddf39060317

SHA256
3f5ee6383a6d5845776064e2b52f895af21c87e0cfbb3472012ca2abd41310b2

SHA512
2669a3f9c48e8c933bdb2ef3e31981f4cb56bdb18c1f3f89aad9e93f117c6d8c515020eb14cc9be8a2d82ef9f476667e25edad0edb6efcb63488407302f5bce2

Download Submit
memory/1340-2-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1340-1-0x0000000002280000-0x0000000002286000-memory.dmp

Filesize
24KB

Download
memory/1340-0-0x0000000002280000-0x0000000002286000-memory.dmp

Filesize
24KB

Download
memory/2020-17-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/2020-23-0x00000000020D0000-0x00000000020D6000-memory.dmp

Filesize
24KB

Download