d3753fe719fbb587e769afcdf83a5859176a164891dc111c9cd82a04e2b0e218

Analysis

max time kernel
136s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22/04/2024, 15:35

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General

Target

2024-04-22_6066faebca452223dbe886fc2ea3c3b5_cryptolocker.exe
Size

64KB
MD5

6066faebca452223dbe886fc2ea3c3b5
SHA1

70eda162bcd13c18164977de9f10713662709187
SHA256

d3753fe719fbb587e769afcdf83a5859176a164891dc111c9cd82a04e2b0e218
SHA512

e836e06ab7824d1bb069ba4425d573951af6da0586678672f99e526524da07764e7fe4b040360eca3737241e8d914a806121a04ac2db9c49c231ceccbf90d032
SSDEEP

768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGEMoq:6j+1NMOtEvwDpjr8ox8UDEhq

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/1932-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000b00000001224c-11.dat	CryptoLocker_rule2
behavioral1/memory/1932-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2228-16-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2228-26-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/1932-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000b00000001224c-11.dat	CryptoLocker_set1
behavioral1/memory/1932-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2228-16-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2228-26-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral1/memory/1932-0-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000b00000001224c-11.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1932-15-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2228-16-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2228-26-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Executes dropped EXE 1 IoCs

pid	Process
2228	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1932	2024-04-22_6066faebca452223dbe886fc2ea3c3b5_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 1932 wrote to memory of 2228	1932	2024-04-22_6066faebca452223dbe886fc2ea3c3b5_cryptolocker.exe	28
PID 1932 wrote to memory of 2228	1932	2024-04-22_6066faebca452223dbe886fc2ea3c3b5_cryptolocker.exe	28
PID 1932 wrote to memory of 2228	1932	2024-04-22_6066faebca452223dbe886fc2ea3c3b5_cryptolocker.exe	28
PID 1932 wrote to memory of 2228	1932	2024-04-22_6066faebca452223dbe886fc2ea3c3b5_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-22_6066faebca452223dbe886fc2ea3c3b5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-22_6066faebca452223dbe886fc2ea3c3b5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2228

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
65KB

MD5
f8093eb3d0b96510259d418d98f1eacf

SHA1
d249f2e2e0921a7205c01903c697c006addb8eb8

SHA256
f2dd12f179ca13479aefdd0c69865a89204cb0697720815bd95f753b86929810

SHA512
24aad54437880e3acbda57306a36973559675a2e580c3094730aaf21a2d2a87de0967035775c6e108942e8a1e1f80794d08028d41829aa04a51c257ec3ce8d66

Download Submit
memory/1932-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1932-1-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/1932-2-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/1932-4-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/1932-15-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2228-16-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2228-18-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2228-20-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2228-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download