095ba3b10026f1089dd2af3002187c5c2c021011c7e305bdb75e80a52c19dad0

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
04/02/2024, 03:48

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General

Target

2024-02-04_9cc7f22455fcdb1070ad962f2d69485b_cryptolocker.exe
Size

43KB
MD5

9cc7f22455fcdb1070ad962f2d69485b
SHA1

11a3d92d05778a300fb58b9c52be5025c4695f18
SHA256

095ba3b10026f1089dd2af3002187c5c2c021011c7e305bdb75e80a52c19dad0
SHA512

9661620a5d7d8d6a012752948b7015183896c10bd565501678361418f501a2a9c90b6e4e58fb49c8a8a369639708d725d8c082b50efbba8fcbde99d3059bfbde
SSDEEP

768:wHGGaSawqnwjRQ6ESlmFOsPoOdQtOOtEvwDpjm6j4AYsqSh+DETkedm+YUS5p:YGzl5wjRQBBOsP1QMOtEvwDpjl39+D+c

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral1/memory/3028-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000a00000001220d-11.dat	CryptoLocker_rule2
behavioral1/memory/3028-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2316-17-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral1/memory/3028-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000a00000001220d-11.dat	CryptoLocker_set1
behavioral1/memory/3028-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2316-17-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2316	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
3028	2024-02-04_9cc7f22455fcdb1070ad962f2d69485b_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 3028 wrote to memory of 2316	3028	2024-02-04_9cc7f22455fcdb1070ad962f2d69485b_cryptolocker.exe	28
PID 3028 wrote to memory of 2316	3028	2024-02-04_9cc7f22455fcdb1070ad962f2d69485b_cryptolocker.exe	28
PID 3028 wrote to memory of 2316	3028	2024-02-04_9cc7f22455fcdb1070ad962f2d69485b_cryptolocker.exe	28
PID 3028 wrote to memory of 2316	3028	2024-02-04_9cc7f22455fcdb1070ad962f2d69485b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-04_9cc7f22455fcdb1070ad962f2d69485b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-04_9cc7f22455fcdb1070ad962f2d69485b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2316

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
44KB

MD5
9b9fac3a25c5455a59d642d6930056b3

SHA1
55d722380a87c9a256ca2f8617e03be8fbaf6b94

SHA256
36da78d81bccc6ba25123f4c0e9dad8bfddd574ae55c17c44293561199c5e3bb

SHA512
0277d1e0415cc40c04559c7751d775542bf16944cfb0916596a55bd3c3817d66eaa98b79d0709cc8a839a05c562200aa83608c765e19869948f1a51c7b14bbd6

Download Submit
memory/2316-17-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2316-19-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/2316-26-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/3028-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3028-1-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/3028-8-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/3028-2-0x00000000003F0000-0x00000000003F6000-memory.dmp

Filesize
24KB

Download
memory/3028-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/3028-16-0x0000000002BC0000-0x0000000002BCB000-memory.dmp

Filesize
44KB

Download