3cca4ac9194d9754390ca87fe565eb0069d5967f77d32e508e451199a2664f7c

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
13/03/2024, 20:47

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General

Target

2024-03-13_fa7e1d1d664a31cf6a7e5ac35581725a_cryptolocker.exe
Size

105KB
MD5

fa7e1d1d664a31cf6a7e5ac35581725a
SHA1

c2124f9bbd70e93b263f369935ce5bc1378778e8
SHA256

3cca4ac9194d9754390ca87fe565eb0069d5967f77d32e508e451199a2664f7c
SHA512

e3b3ef84703a8a0ce300bcf1362ccf519582c7eebd0c03906816def42ee5c5a95f39a1773e226a7c24525e468e2c1e036d39760a030c5826a47f03e1e6871035
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgpQbCJhH7:V6a+pOtEvwDpjtzO

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000122be-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x00090000000122be-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3004	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1660	2024-03-13_fa7e1d1d664a31cf6a7e5ac35581725a_cryptolocker.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 1660 wrote to memory of 3004	1660	2024-03-13_fa7e1d1d664a31cf6a7e5ac35581725a_cryptolocker.exe	28
PID 1660 wrote to memory of 3004	1660	2024-03-13_fa7e1d1d664a31cf6a7e5ac35581725a_cryptolocker.exe	28
PID 1660 wrote to memory of 3004	1660	2024-03-13_fa7e1d1d664a31cf6a7e5ac35581725a_cryptolocker.exe	28
PID 1660 wrote to memory of 3004	1660	2024-03-13_fa7e1d1d664a31cf6a7e5ac35581725a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-13_fa7e1d1d664a31cf6a7e5ac35581725a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-13_fa7e1d1d664a31cf6a7e5ac35581725a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:3004

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
105KB

MD5
fd596877624bc2c4b2951d148ceb1ed2

SHA1
f27e70d97f5f76391fc112fedb993bf915eca2d7

SHA256
cf9308081a2a72490a97df69327bfaa655ee93e7cdb2d91d654366dfa4f19fa4

SHA512
c86cbf7d9be95f922d3b0d5a3b149fe51d4b107e597f18a2c5209515349b42f28c6644d763304b999d09ef07363ef2a95b5256a986b449e65070ce12693c8cef

Download Submit
memory/1660-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1660-1-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/1660-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3004-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download