ca03ba6a0bc791829c3e58f8de6f1dc59852e02fabbe30e6e5f4ec4c3ab34577

Analysis

max time kernel
0s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
05/01/2024, 05:40

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General

Target

2024-01-01_2f260d6baf3d54a78679b90c6237a04e_cryptolocker.exe
Size

59KB
MD5

2f260d6baf3d54a78679b90c6237a04e
SHA1

384cbeb237624d311e5706edcf0d7548e577ccbd
SHA256

ca03ba6a0bc791829c3e58f8de6f1dc59852e02fabbe30e6e5f4ec4c3ab34577
SHA512

088750dd5b94647a91c47c72c86135db4eaa1141889d79184aecdb8987f0b76a0e6fad5eb4b125337a6d786ecca2694a84b91839add278d11467063bbb3f304a
SSDEEP

768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLt:zj+soPSMOtEvwDpj4kpmeLmZ

Score

7^/10

upx

Malware Config

Signatures

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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation	2024-01-01_2f260d6baf3d54a78679b90c6237a04e_cryptolocker.exe

Executes dropped EXE 1 IoCs

pid	Process
1460	misid.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2172-0-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x000300000001e982-13.dat	upx
behavioral2/files/0x000300000001e982-16.dat	upx
behavioral2/memory/2172-17-0x0000000000500000-0x0000000000510000-memory.dmp	upx
behavioral2/files/0x000300000001e982-15.dat	upx
behavioral2/memory/1460-48-0x0000000000500000-0x0000000000510000-memory.dmp	upx

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 2172 wrote to memory of 1460	2172	2024-01-01_2f260d6baf3d54a78679b90c6237a04e_cryptolocker.exe	21
PID 2172 wrote to memory of 1460	2172	2024-01-01_2f260d6baf3d54a78679b90c6237a04e_cryptolocker.exe	21
PID 2172 wrote to memory of 1460	2172	2024-01-01_2f260d6baf3d54a78679b90c6237a04e_cryptolocker.exe	21

C:\Users\Admin\AppData\Local\Temp\2024-01-01_2f260d6baf3d54a78679b90c6237a04e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-01_2f260d6baf3d54a78679b90c6237a04e_cryptolocker.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1460

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
14KB

MD5
f2ccd4863d1df91c8efed8db66639060

SHA1
cb5783103bfccc850cd79b2676fa910df975c770

SHA256
72dfdc0fcc6ce8f970ab9fd26d250cd820883937ec1421eeaaabeac48be74cc8

SHA512
f0df0d99d6bc48350523049e147c9489a20bd85677e3786803321c67d43bbbbac0060bd138c07039da37d4d28c930b7a4f91b827c5da5752b50ff7bea21b1a9b

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

Filesize
40KB

MD5
7849ed2b83614879a766ec5f230fb629

SHA1
e7e0c6f161fc6d5085dcbd3c378bb865639c7f37

SHA256
065efc39dca5c1623d3b9c4c3a457414200d4651c395e61eda8117c07758d3d5

SHA512
bfc07888d67f8d8332bf4414955d63596ea8cb79959f76d620c4401aff1ba068c4361fdc285c2a7fe35666e4f628c86a464dedf891a0bbb0931f5b37a31062ca

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

Filesize
2KB

MD5
1c916f14a67c815dca1165fd5c4964d7

SHA1
992c4380a5aac4f273bf4a9b416f9d75144935a6

SHA256
a8602a63a7a3fb67e9497db529841d54e848862c6484a4ce7a1776c5b9bf7eca

SHA512
72ac5ab7ae23a9aa4ca57626f03d890f7534554d86d727aca00bb30a6d41dccb76eb77cf15c108536fdcc19953f1c69bc5659a535a823faf548bb3598ad743fa

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

Filesize
315B

MD5
a34ac19f4afae63adc5d2f7bc970c07f

SHA1
a82190fc530c265aa40a045c21770d967f4767b8

SHA256
d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

SHA512
42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

Download Submit
memory/1460-25-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/1460-19-0x0000000000660000-0x0000000000666000-memory.dmp

Filesize
24KB

Download
memory/1460-48-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2172-0-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2172-3-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/2172-2-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download
memory/2172-1-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download
memory/2172-17-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download