7c34455a41f96525ae68e7a1009e41a6daba13147b8296efbf398d2b085cd80a

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 02:18

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General

Target

2024-05-22_ad478df1fa4bfd1ad9514e5fb8eb2360_cryptolocker.exe
Size

52KB
MD5

ad478df1fa4bfd1ad9514e5fb8eb2360
SHA1

d7be79151ae830b853a8e3e67683d3d26ffddd88
SHA256

7c34455a41f96525ae68e7a1009e41a6daba13147b8296efbf398d2b085cd80a
SHA512

da64ca6f7da6293e568d9913d1eb1aecdad2efdd5dba396655729f5492f5a86b0311f4fcb6ad0021706c69db49b212cb5bb467ea34f176b3771d93592e7e838f
SSDEEP

768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPhqlcnvhx5/xFRY+iyys:6j+1NMOtEvwDpjr8hhXy+iyys

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2704-1-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_rule2
behavioral1/memory/2704-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2308-16-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2308-26-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2704-1-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_set1
behavioral1/memory/2704-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2308-16-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2308-26-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2704-1-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
\Users\Admin\AppData\Local\Temp\misid.exe	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2704-15-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2308-16-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2308-26-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

2308 misid.exe
Loads dropped DLL 1 IoCs

Processes:

2024-05-22_ad478df1fa4bfd1ad9514e5fb8eb2360_cryptolocker.exe

pid process

2704 2024-05-22_ad478df1fa4bfd1ad9514e5fb8eb2360_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2308	misid.exe

pid	process
2704	2024-05-22_ad478df1fa4bfd1ad9514e5fb8eb2360_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-05-22_ad478df1fa4bfd1ad9514e5fb8eb2360_cryptolocker.exe

description	pid	process	target process
PID 2704 wrote to memory of 2308	2704	2024-05-22_ad478df1fa4bfd1ad9514e5fb8eb2360_cryptolocker.exe	misid.exe
PID 2704 wrote to memory of 2308	2704	2024-05-22_ad478df1fa4bfd1ad9514e5fb8eb2360_cryptolocker.exe	misid.exe
PID 2704 wrote to memory of 2308	2704	2024-05-22_ad478df1fa4bfd1ad9514e5fb8eb2360_cryptolocker.exe	misid.exe
PID 2704 wrote to memory of 2308	2704	2024-05-22_ad478df1fa4bfd1ad9514e5fb8eb2360_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-22_ad478df1fa4bfd1ad9514e5fb8eb2360_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_ad478df1fa4bfd1ad9514e5fb8eb2360_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2704

C:\Users\Admin\AppData\Local\Temp\misid.exe
"C:\Users\Admin\AppData\Local\Temp\misid.exe"
2⤵
- Executes dropped EXE
PID:2308

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\misid.exe
Filesize
52KB

MD5
ff149804f78c92e6f82754ec9823fb7f

SHA1
bdc3461a50458ddcdaf1293a588791dd31357933

SHA256
2d18d53864905a1d0c7315f9f1abba4250169d9cb68d03a273bf245b544fcd9e

SHA512
928850298b80527e3beb78fd9429743039abcc72fbfbb91277d8e12834870b4c2d52af5438ccd5f256c4b9ba6480bd47bfb97be2ffbe2d82950e7fc32bc110f7

Download Submit
memory/2308-16-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2308-23-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2308-18-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2308-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2704-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2704-1-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2704-2-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2704-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2704-15-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download