ea6ee7df81ff4f1285d19a7a4be13a26d378a02898386f9b9c37be7f531216c3

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
22/02/2024, 22:38

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General

Target

2024-02-22_ab6848fa8bd5eca065c94fadffe0701a_cryptolocker.exe
Size

40KB
MD5

ab6848fa8bd5eca065c94fadffe0701a
SHA1

fb20a0680a45bc584799e36e95912062d0535dbe
SHA256

ea6ee7df81ff4f1285d19a7a4be13a26d378a02898386f9b9c37be7f531216c3
SHA512

ccca35173336ffdd5f5b984ca478f949b635a01db190125a838aef9a2958fb7de13f5f3fb04b7e78e3fcc926b4ce88e0b21b03bae42e478376bd9eddd56bd02a
SSDEEP

768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFR1/:m5nkFNMOtEvwDpjG8hhX3/

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/3036-1-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/3036-14-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000a0000000143fb-11.dat	CryptoLocker_rule2
behavioral1/memory/2484-16-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2484-26-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 4 IoCs

resource	yara_rule
behavioral1/memory/3036-1-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/3036-14-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2484-16-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2484-26-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral1/memory/3036-1-0x0000000000500000-0x000000000050E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/3036-14-0x0000000000500000-0x000000000050E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000a0000000143fb-11.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2484-16-0x0000000000500000-0x000000000050E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2484-26-0x0000000000500000-0x000000000050E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Executes dropped EXE 1 IoCs

pid	Process
2484	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
3036	2024-02-22_ab6848fa8bd5eca065c94fadffe0701a_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 3036 wrote to memory of 2484	3036	2024-02-22_ab6848fa8bd5eca065c94fadffe0701a_cryptolocker.exe	28
PID 3036 wrote to memory of 2484	3036	2024-02-22_ab6848fa8bd5eca065c94fadffe0701a_cryptolocker.exe	28
PID 3036 wrote to memory of 2484	3036	2024-02-22_ab6848fa8bd5eca065c94fadffe0701a_cryptolocker.exe	28
PID 3036 wrote to memory of 2484	3036	2024-02-22_ab6848fa8bd5eca065c94fadffe0701a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-22_ab6848fa8bd5eca065c94fadffe0701a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-22_ab6848fa8bd5eca065c94fadffe0701a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2484

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
40KB

MD5
3c209e9c921ba6059f1646fb90a08044

SHA1
f01bc46cb7ec2353df09e6d6cde1237d9aa85371

SHA256
41aad30e478e91dcf8f922ff1b7fc67620f4de52905cdd074c76b0b11a3c5909

SHA512
77c0965b9130f45d966c80af392d35d424522e24a720471c3fe058250b82165d42669fcecfc8a90e247518d82909bcbfcb2a05e4a21a7d5e505439ed149924d3

Download Submit
memory/2484-16-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2484-18-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/2484-22-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2484-26-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/3036-1-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/3036-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3036-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3036-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3036-14-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download