54c232cb955b85926c58bb8b9b2b84d220dc69a1b2c961a2ae6a40e704ed6fb5

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
24/02/2024, 07:26

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General

Target

2024-02-24_29653b792cec6720949c67ec569f8b3a_cryptolocker.exe
Size

40KB
MD5

29653b792cec6720949c67ec569f8b3a
SHA1

b22f3f1f44deb65180f7df0d233ec272b6e6a3be
SHA256

54c232cb955b85926c58bb8b9b2b84d220dc69a1b2c961a2ae6a40e704ed6fb5
SHA512

7a67aa68e1956457c60eeefaf5b0a7bc8f114e805d455e71a82652093e8f331c5dc42e9c29ae831b853aa5853373c8b4b13e4b7fc62a5dd09f39326c5959be82
SSDEEP

768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh67/rl:6j+1NMOtEvwDpjrRbrl

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

resource	yara_rule
behavioral1/memory/2204-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000d000000012253-11.dat	CryptoLocker_rule2
behavioral1/memory/2204-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2544-17-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2544-26-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

resource	yara_rule
behavioral1/memory/2204-0-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000d000000012253-11.dat	CryptoLocker_set1
behavioral1/memory/2204-15-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2544-17-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2544-26-0x0000000000500000-0x000000000050F000-memory.dmp	CryptoLocker_set1

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral1/memory/2204-0-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000d000000012253-11.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2204-15-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2544-17-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2544-26-0x0000000000500000-0x000000000050F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Executes dropped EXE 1 IoCs

pid	Process
2544	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2204	2024-02-24_29653b792cec6720949c67ec569f8b3a_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 2204 wrote to memory of 2544	2204	2024-02-24_29653b792cec6720949c67ec569f8b3a_cryptolocker.exe	28
PID 2204 wrote to memory of 2544	2204	2024-02-24_29653b792cec6720949c67ec569f8b3a_cryptolocker.exe	28
PID 2204 wrote to memory of 2544	2204	2024-02-24_29653b792cec6720949c67ec569f8b3a_cryptolocker.exe	28
PID 2204 wrote to memory of 2544	2204	2024-02-24_29653b792cec6720949c67ec569f8b3a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-24_29653b792cec6720949c67ec569f8b3a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-24_29653b792cec6720949c67ec569f8b3a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2544

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
63d7788a971026b24fd508812b420f8f

SHA1
a0fd335f6bbd9e2764c5699e9bd3dc3159b2ffc0

SHA256
fa44170b14290b2411f5d13d399357915c82f4f2a0215d76c35713ff406b0394

SHA512
5ee9a1c711f8055fc6c9676a328210a5bed989588100224c6766bdd2bbc00f30ea64644dbb63db073daf31ccf3a88b040c7159ac219d27f625a594dbbc0d58c1

Download Submit
memory/2204-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2204-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2204-2-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2204-9-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2204-15-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2544-17-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/2544-18-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2544-25-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2544-26-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download