2c773300fccbc48776d383980693348e04fe8383f271495eed2e5bcb7b4c3da4

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15/04/2024, 06:05

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General

Target

2024-04-15_7fe93e6e3d21cacd23dc5c25b7ce6e74_cryptolocker.exe
Size

129KB
MD5

7fe93e6e3d21cacd23dc5c25b7ce6e74
SHA1

0fc523343b63164acd75f740ae5a04f6193534c7
SHA256

2c773300fccbc48776d383980693348e04fe8383f271495eed2e5bcb7b4c3da4
SHA512

d8dab8ab14eaacdd0d69443779996dd7f2d63df1fbe6a2294569def405eef370acf8374dfe9992d3d90b875186c055051a0dc66adc8c5aaf6d37a890ab0c4338
SSDEEP

1536:u6QFElP6n+gWMOtEvwDpjJGYQbN/PKwNgpwb2Co:u6a++OtEvwDpj6zs

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012241-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012241-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2252	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2168	2024-04-15_7fe93e6e3d21cacd23dc5c25b7ce6e74_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 2168 wrote to memory of 2252	2168	2024-04-15_7fe93e6e3d21cacd23dc5c25b7ce6e74_cryptolocker.exe	28
PID 2168 wrote to memory of 2252	2168	2024-04-15_7fe93e6e3d21cacd23dc5c25b7ce6e74_cryptolocker.exe	28
PID 2168 wrote to memory of 2252	2168	2024-04-15_7fe93e6e3d21cacd23dc5c25b7ce6e74_cryptolocker.exe	28
PID 2168 wrote to memory of 2252	2168	2024-04-15_7fe93e6e3d21cacd23dc5c25b7ce6e74_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-15_7fe93e6e3d21cacd23dc5c25b7ce6e74_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-15_7fe93e6e3d21cacd23dc5c25b7ce6e74_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2252

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
130KB

MD5
3ff5e7bdcb99943325fc074f32ff5e83

SHA1
7f88b3c4dc1318ec88be49ab6d0d50be648bfb75

SHA256
065547bad414e98fbe56fb12d24766c48857a3ba79827b98e8adacafd9809a72

SHA512
3416a33642220e54657924e2bfa011168e44a41100c5f2c080a8d7bb7a7bd6445a2e83d2e3892dbb00df7498de3e8cb8f748cc8cde1dfa62ec6440d7ff31e88e

Download Submit
memory/2168-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2168-2-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2168-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2252-16-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2252-15-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download