c068b877c04922013b0e1448dfa9a992678b7aebb9c291a2ccd983d4eaea22b2

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 23:23

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General

Target

2024-05-22_3a1e9ac1be4c43bfd80cbcf136c94944_cryptolocker.exe
Size

68KB
MD5

3a1e9ac1be4c43bfd80cbcf136c94944
SHA1

937fc03d410cbff66c3bd2da3ab481d0b2b6436e
SHA256

c068b877c04922013b0e1448dfa9a992678b7aebb9c291a2ccd983d4eaea22b2
SHA512

0b8024f5a3673b1e7022f6464d7b337b72d7c136a6eff2a1111d8660e464ff5e9fd9e4f9a94cee5c7fb704b57734cabe55063340e573ea4ced8f5f7017cf33c3
SSDEEP

768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGEpE0P/xFI0:6j+1NMOtEvwDpjr8ox8UDEpN/jh

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2408-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_rule2
behavioral1/memory/2408-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/292-16-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/292-26-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2408-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_set1
behavioral1/memory/2408-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/292-16-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/292-26-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2408-0-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
\Users\Admin\AppData\Local\Temp\misid.exe	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2408-15-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/292-16-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/292-26-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

292 misid.exe
Loads dropped DLL 1 IoCs

Processes:

2024-05-22_3a1e9ac1be4c43bfd80cbcf136c94944_cryptolocker.exe

pid process

2408 2024-05-22_3a1e9ac1be4c43bfd80cbcf136c94944_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
292	misid.exe

pid	process
2408	2024-05-22_3a1e9ac1be4c43bfd80cbcf136c94944_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-05-22_3a1e9ac1be4c43bfd80cbcf136c94944_cryptolocker.exe

description	pid	process	target process
PID 2408 wrote to memory of 292	2408	2024-05-22_3a1e9ac1be4c43bfd80cbcf136c94944_cryptolocker.exe	misid.exe
PID 2408 wrote to memory of 292	2408	2024-05-22_3a1e9ac1be4c43bfd80cbcf136c94944_cryptolocker.exe	misid.exe
PID 2408 wrote to memory of 292	2408	2024-05-22_3a1e9ac1be4c43bfd80cbcf136c94944_cryptolocker.exe	misid.exe
PID 2408 wrote to memory of 292	2408	2024-05-22_3a1e9ac1be4c43bfd80cbcf136c94944_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-22_3a1e9ac1be4c43bfd80cbcf136c94944_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_3a1e9ac1be4c43bfd80cbcf136c94944_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2408

C:\Users\Admin\AppData\Local\Temp\misid.exe
"C:\Users\Admin\AppData\Local\Temp\misid.exe"
2⤵
- Executes dropped EXE
PID:292

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
68KB

MD5
206bc0c0c8a202099445c44d265a9cd7

SHA1
3e6b36ad3808133a49314285fe3c5d5e165fcfdd

SHA256
fb059a91ec506446b3781cd18ae2c700d1f94e304a87985ba4cab9b65b7a2997

SHA512
e343c1f5fe306411e9a2a6f6ccb7f133f06e82013b18448bf43cca94bf30fb9baef2c013fa82fc4d644056c6244a7fbb54fba71ab3ea222b8b7072787ba35451

Download Submit
memory/292-16-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/292-18-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/292-25-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/292-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2408-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2408-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2408-2-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2408-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2408-15-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download