22ce1309330d4969a5b4383908f7673278b5f2605470c6bf1d9fd92661bb7ec6

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
15/04/2024, 19:47

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General

Target

2024-04-15_83c3245bdb2cf3de03175ce1e8464cfc_cryptolocker.exe
Size

389KB
MD5

83c3245bdb2cf3de03175ce1e8464cfc
SHA1

6ec4d19c27dcd1b78ed05bc89d4fbe88563ea79c
SHA256

22ce1309330d4969a5b4383908f7673278b5f2605470c6bf1d9fd92661bb7ec6
SHA512

2bdf2ca27ef5016f4f13b34108c17c4bc3b56e5daa0928fa88e698a190eb664bff2f23b55e937243ec0439e6b51dcadbfc77da31f74b8cde26c8af15534ba1cf
SSDEEP

6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXO:nnOflT/ZFIjBz3xjTxynGUOUhXO

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012252-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2516	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1600	2024-04-15_83c3245bdb2cf3de03175ce1e8464cfc_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 1600 wrote to memory of 2516	1600	2024-04-15_83c3245bdb2cf3de03175ce1e8464cfc_cryptolocker.exe	28
PID 1600 wrote to memory of 2516	1600	2024-04-15_83c3245bdb2cf3de03175ce1e8464cfc_cryptolocker.exe	28
PID 1600 wrote to memory of 2516	1600	2024-04-15_83c3245bdb2cf3de03175ce1e8464cfc_cryptolocker.exe	28
PID 1600 wrote to memory of 2516	1600	2024-04-15_83c3245bdb2cf3de03175ce1e8464cfc_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-15_83c3245bdb2cf3de03175ce1e8464cfc_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-15_83c3245bdb2cf3de03175ce1e8464cfc_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2516

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\hasfj.exe

Filesize
389KB

MD5
95fe0d5e00fc10f04c9a9510ce26d9f8

SHA1
73cb05123adf9b6774c6f49dfc188d7226cdddbe

SHA256
f76e3fa43753cd62ed7e2e35145b11c64e15fa5372fa0aa32a650eb47ab59cc3

SHA512
1cf22c46b7b41345033d1d70115579bcc3e3485875d673a514e5e99af81a85c9a9495e055f7c39cfd7e781026c480f00217b73f4aafb345c462c77ec8f1ab85c

Download Submit
memory/1600-0-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1600-1-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1600-2-0x0000000001CB0000-0x0000000001CB6000-memory.dmp

Filesize
24KB

Download
memory/2516-15-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2516-22-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download