00c6deecf87f3258171c7c6d9e2ee36b040ab9d47c8e764c5821e2785d3bbe81

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
30-04-2024 04:31

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General

Target

2024-04-30_257212040dd8715e35b3b5550f164768_cryptolocker.exe
Size

47KB
MD5

257212040dd8715e35b3b5550f164768
SHA1

cf9db2de32e316a5ca3f4213f585d3ebd9f65a41
SHA256

00c6deecf87f3258171c7c6d9e2ee36b040ab9d47c8e764c5821e2785d3bbe81
SHA512

bb18c3928baa4fa4da6e3fdf16da99c3296d5b5e57dce055223a72b9c0c46f1c8d77057aa7151dc670a9c00d1096699da9f37772342e891f8fd24049429b4929
SSDEEP

768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLbjG9Rva/yYsE:xj+VGMOtEvwDpjy+viHsE

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 4 IoCs

resource	yara_rule
behavioral1/memory/2304-8-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000c0000000155f6-23.dat	CryptoLocker_rule2
behavioral1/memory/2052-25-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2304-12-0x00000000022A0000-0x00000000022B0000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral1/memory/2304-8-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000c0000000155f6-23.dat	CryptoLocker_set1
behavioral1/memory/2052-25-0x0000000000500000-0x0000000000510000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2304-12-0x00000000022A0000-0x00000000022B0000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 4 IoCs

resource	yara_rule
behavioral1/memory/2304-8-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000c0000000155f6-23.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2052-25-0x0000000000500000-0x0000000000510000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2304-12-0x00000000022A0000-0x00000000022B0000-memory.dmp	INDICATOR_EXE_Packed_MPress

Executes dropped EXE 1 IoCs

pid	Process
2052	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2304	2024-04-30_257212040dd8715e35b3b5550f164768_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 2304 wrote to memory of 2052	2304	2024-04-30_257212040dd8715e35b3b5550f164768_cryptolocker.exe	28
PID 2304 wrote to memory of 2052	2304	2024-04-30_257212040dd8715e35b3b5550f164768_cryptolocker.exe	28
PID 2304 wrote to memory of 2052	2304	2024-04-30_257212040dd8715e35b3b5550f164768_cryptolocker.exe	28
PID 2304 wrote to memory of 2052	2304	2024-04-30_257212040dd8715e35b3b5550f164768_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-30_257212040dd8715e35b3b5550f164768_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-30_257212040dd8715e35b3b5550f164768_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2052

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

C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
47KB

MD5
11e05f062ebf72bda7dd5ddde36e5a1d

SHA1
ffed88769891df3bcb1d0f8dc34219cbe1e61ec8

SHA256
8a92da9f7089c20677b5d6e8d85833487527512efaa169d05769a37b1740b4ab

SHA512
a9fff6ce10112c121be56a911a69e96f04ce18573c703aac845ff4596df1508556e91af23196475ecb29ff21e1b702c05907b7a1b43f0e89f16d6947a5226132

Download Submit
memory/2052-17-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2052-25-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2052-24-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2304-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2304-8-0x0000000000500000-0x0000000000510000-memory.dmp

Filesize
64KB

Download
memory/2304-1-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2304-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2304-12-0x00000000022A0000-0x00000000022B0000-memory.dmp

Filesize
64KB

Download