5015d98708c958001224270994170f9c5b3110169c1c1b28311f3908a7d00f28

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18/01/2024, 23:23

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General

Target

2024-01-18_d1acab556b7caba505c8a950611eeab3_cryptolocker.exe
Size

84KB
MD5

d1acab556b7caba505c8a950611eeab3
SHA1

a381fbd1935ce15b089966347fdcdcbf1bede478
SHA256

5015d98708c958001224270994170f9c5b3110169c1c1b28311f3908a7d00f28
SHA512

15b2c07832780592ad9ca8c2a6c1ac25bdf5459ea386fb433ee1a4936eda55ab237c8358474c9186cc42e8ec624de7d34062beddace2aff9b324c086c437f33b
SSDEEP

768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvA9:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8A9

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/1252-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000e00000001224c-11.dat	CryptoLocker_rule2
behavioral1/memory/1252-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/112-18-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/112-27-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 3 IoCs

resource	yara_rule
behavioral1/memory/1252-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/112-18-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/112-27-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral1/memory/1252-0-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000e00000001224c-11.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1252-15-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/112-18-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/112-27-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Executes dropped EXE 1 IoCs

pid	Process
112	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1252	2024-01-18_d1acab556b7caba505c8a950611eeab3_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 1252 wrote to memory of 112	1252	2024-01-18_d1acab556b7caba505c8a950611eeab3_cryptolocker.exe	28
PID 1252 wrote to memory of 112	1252	2024-01-18_d1acab556b7caba505c8a950611eeab3_cryptolocker.exe	28
PID 1252 wrote to memory of 112	1252	2024-01-18_d1acab556b7caba505c8a950611eeab3_cryptolocker.exe	28
PID 1252 wrote to memory of 112	1252	2024-01-18_d1acab556b7caba505c8a950611eeab3_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-18_d1acab556b7caba505c8a950611eeab3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-18_d1acab556b7caba505c8a950611eeab3_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1252
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:112

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
84KB

MD5
8c36f9ec358f597df1f6798c8c066dad

SHA1
374e9d9ff5e25912b9c13e55d643ee685395f52d

SHA256
3b01eb8c4a6bfe50d7bbf0b56a5e51fcd2ade92e9992f9409ca1d7f139b946bc

SHA512
2d18a8c399c147a0e11c7a176a26d972edda3e237d2e8b0c74ede9962b967897784a2580f0a9f0afd0c3ef5b444f94df737102e6e3851a5e9b400ff68831c436

Download Submit
memory/112-19-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/112-18-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/112-21-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/112-27-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1252-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1252-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1252-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1252-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1252-15-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1252-16-0x0000000000990000-0x000000000099F000-memory.dmp

Filesize
60KB

Download