cc1f0e6ef85f881b9f5056e87054e8467cecd73247e9bba478368de3ce1e58e8

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08-03-2024 02:47

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General

Target

2024-03-08_78456c16b70af612ff510e8990560088_cryptolocker.exe
Size

99KB
MD5

78456c16b70af612ff510e8990560088
SHA1

223b37bd469de1fefd4a5c3fd59b0e11c9ff8acc
SHA256

cc1f0e6ef85f881b9f5056e87054e8467cecd73247e9bba478368de3ce1e58e8
SHA512

ad9837cf01849af3c20938b6fd535feff49a1450d5f597c1f0eccc92fccf968a0b376f00158c1592d7a70fa8b1b122c2cc9cc3d9151b6c3a4cf1b2887bc70f51
SSDEEP

1536:V6QFElP6n+gMQMOtEvwDpjQGYQbN/PKwNgpQbCJjG:V6a+pOtEvwDpjtzp

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012251-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012251-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2236	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1796	2024-03-08_78456c16b70af612ff510e8990560088_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 1796 wrote to memory of 2236	1796	2024-03-08_78456c16b70af612ff510e8990560088_cryptolocker.exe	28
PID 1796 wrote to memory of 2236	1796	2024-03-08_78456c16b70af612ff510e8990560088_cryptolocker.exe	28
PID 1796 wrote to memory of 2236	1796	2024-03-08_78456c16b70af612ff510e8990560088_cryptolocker.exe	28
PID 1796 wrote to memory of 2236	1796	2024-03-08_78456c16b70af612ff510e8990560088_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-08_78456c16b70af612ff510e8990560088_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-08_78456c16b70af612ff510e8990560088_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1796
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2236

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
99KB

MD5
a796d86d5358b5912f1998932d30db90

SHA1
7f5d20fd192a62f77b28379dddde25b4034dbf2a

SHA256
604c89be8cc1da4dc67932996346f2e482b2d99b07d5fa94595f39b2808b6979

SHA512
39c58104c125446da8a6c2263eb9ea001f6133c4d4a5cf85a0b0f69c2f1fcdcdf21dc8c254ebefeee1987eb2b88761b71040b3c232ade773a3625893353bb8fc

Download Submit
memory/1796-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1796-1-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/1796-8-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2236-15-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2236-22-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download