0f2d2120c7b358f345ac78786ee8174257a25a5bc321573bd686fb830c52f536

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
28/01/2024, 05:30

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General

Target

2024-01-28_70b041d461b5711890948898d7cdfc42_cryptolocker.exe
Size

119KB
MD5

70b041d461b5711890948898d7cdfc42
SHA1

4d6ce486590b0dc2ba1cc382b335003c7a2e8dfc
SHA256

0f2d2120c7b358f345ac78786ee8174257a25a5bc321573bd686fb830c52f536
SHA512

0e4d6ec8140c46726389268b496ef6268a3f712e146e40771b09e69c40026b009ac6e83c9a71b5d388b89e03ec28a0f7469abec625fba4a1f1b1109ea29f23e4
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfIuBKLUSx:vCjsIOtEvwDpj5H9YvQd2a

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001225c-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001225c-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2080	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2668	2024-01-28_70b041d461b5711890948898d7cdfc42_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 2668 wrote to memory of 2080	2668	2024-01-28_70b041d461b5711890948898d7cdfc42_cryptolocker.exe	28
PID 2668 wrote to memory of 2080	2668	2024-01-28_70b041d461b5711890948898d7cdfc42_cryptolocker.exe	28
PID 2668 wrote to memory of 2080	2668	2024-01-28_70b041d461b5711890948898d7cdfc42_cryptolocker.exe	28
PID 2668 wrote to memory of 2080	2668	2024-01-28_70b041d461b5711890948898d7cdfc42_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-28_70b041d461b5711890948898d7cdfc42_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-28_70b041d461b5711890948898d7cdfc42_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2668
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2080

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\misid.exe

Filesize
119KB

MD5
11178b6f77b8de747285177b12bf4f8c

SHA1
9fb202b9725a4e98004ea64c68431b5022e45f64

SHA256
7cb9fdb6ee1fbee0dfe76f5b60a99a984695bc95d3e4f1ae0ef4bbeb0664a50a

SHA512
123bb953d84e3f6fb8f45f4ce58a3aa60e0852b5ef0b2f469815cf019f23e4c49689cb82cd55230e2f0630e9c5dbaae48bf44d5f11f11abff8ebf4ed524aeeb6

Download Submit
memory/2080-15-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2080-19-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2668-0-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2668-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2668-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download