9fa7de2c118ba31e686e63892495e06549be54031aff646d973795a3ca20724a

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240319-en
resource tags

arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
submitted
19/03/2024, 23:07

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General

Target

9fa7de2c118ba31e686e63892495e06549be54031aff646d973795a3ca20724a.exe
Size

67KB
MD5

b723a66577dc6afed82f270990127ed9
SHA1

fda1f846ae6428b084d53f1b01d7bd62ff7d1169
SHA256

9fa7de2c118ba31e686e63892495e06549be54031aff646d973795a3ca20724a
SHA512

7eb1a463b2a3a9593e9a0c3024f2c916e79c2138c7572ef3bda1796eb6a297025c43a2c516afc003cb2bf5375b51c300be3ca877ec1641abab44f907248b3ead
SSDEEP

1536:Dk/xY0sllyGQMOtEvwDpjwycDtKkQZQRKb61vSbgZ3QzNKU8:DW60sllyWOtEvwDpjwF85+

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral1/memory/1728-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000b0000000121e6-11.dat	CryptoLocker_rule2
behavioral1/memory/1008-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1728-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral1/memory/1728-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000b0000000121e6-11.dat	CryptoLocker_set1
behavioral1/memory/1008-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/1728-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1008	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1728	9fa7de2c118ba31e686e63892495e06549be54031aff646d973795a3ca20724a.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 1008	1728	9fa7de2c118ba31e686e63892495e06549be54031aff646d973795a3ca20724a.exe	28
PID 1728 wrote to memory of 1008	1728	9fa7de2c118ba31e686e63892495e06549be54031aff646d973795a3ca20724a.exe	28
PID 1728 wrote to memory of 1008	1728	9fa7de2c118ba31e686e63892495e06549be54031aff646d973795a3ca20724a.exe	28
PID 1728 wrote to memory of 1008	1728	9fa7de2c118ba31e686e63892495e06549be54031aff646d973795a3ca20724a.exe	28

C:\Users\Admin\AppData\Local\Temp\9fa7de2c118ba31e686e63892495e06549be54031aff646d973795a3ca20724a.exe
"C:\Users\Admin\AppData\Local\Temp\9fa7de2c118ba31e686e63892495e06549be54031aff646d973795a3ca20724a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:1008

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
67KB

MD5
d85ada1e25152482f12725c665eb8129

SHA1
e0c01056f9dbefef3ea801504acadfaa486fc1f0

SHA256
fc34b6d831aaf2fe4e82eca511df8e849a82267b7cb6b443d20428fb55bbf896

SHA512
32b31d93dacc5a486dae554ee708f021aa25d9945035fd5a5d80329d444f052bca7f37917116bea8f2504c5b2398785a54c582240d61f57c7b2ad10711f5136c

Download Submit
memory/1008-16-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1008-18-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1728-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1728-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1728-2-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1728-3-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/1728-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download