2c8c2f531c188bf3e1f0a42a3628d22a044999e76a51e99e40a043ae1ffe2744

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
23/01/2024, 21:03

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General

Target

2024-01-23_dbd86559f81ca4467bda44a8eef801c8_cryptolocker.exe
Size

60KB
MD5

dbd86559f81ca4467bda44a8eef801c8
SHA1

cc6494c2d15eb684d1008aae878bf36e50d92993
SHA256

2c8c2f531c188bf3e1f0a42a3628d22a044999e76a51e99e40a043ae1ffe2744
SHA512

483de60b7ab6674e222e8857ded7e9a6eb7b71df00b0fe4aa4ebdb4de7390ed552960ba76d8bfd0dc75afd9c237cec60a703e6813ed31e8e4f7c63f2be007c56
SSDEEP

1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMm:TCjsIOtEvwDpj5HE/OUHnSM1

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 7 IoCs

resource	yara_rule
behavioral1/memory/2436-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/files/0x000e000000012247-11.dat	CryptoLocker_rule2
behavioral1/memory/2436-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2436-14-0x0000000002480000-0x000000000248E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2752-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2436-27-0x0000000002480000-0x000000000248E000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2752-28-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 7 IoCs

resource	yara_rule
behavioral1/memory/2436-0-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/files/0x000e000000012247-11.dat	CryptoLocker_set1
behavioral1/memory/2436-15-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2436-14-0x0000000002480000-0x000000000248E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2752-17-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2436-27-0x0000000002480000-0x000000000248E000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2752-28-0x0000000000500000-0x000000000050E000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2752	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2436	2024-01-23_dbd86559f81ca4467bda44a8eef801c8_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 2436 wrote to memory of 2752	2436	2024-01-23_dbd86559f81ca4467bda44a8eef801c8_cryptolocker.exe	28
PID 2436 wrote to memory of 2752	2436	2024-01-23_dbd86559f81ca4467bda44a8eef801c8_cryptolocker.exe	28
PID 2436 wrote to memory of 2752	2436	2024-01-23_dbd86559f81ca4467bda44a8eef801c8_cryptolocker.exe	28
PID 2436 wrote to memory of 2752	2436	2024-01-23_dbd86559f81ca4467bda44a8eef801c8_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-23_dbd86559f81ca4467bda44a8eef801c8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-23_dbd86559f81ca4467bda44a8eef801c8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2752

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
60KB

MD5
00072a8ad65b08b9354ccb4384500023

SHA1
0d86778ffab0bd3e690d2ee76cf57516ed11c36a

SHA256
1046907ce9465d74be83ea0c17549dcd9e11deadc20f32b4d01740fd0a7e68e8

SHA512
96523642306600c55b1d2e573ea66cdce93201bd7dacc605350796cf81d7758a05d2772390f3940bec0265d584e2ebcb8d17c074c4094054151f8ddd9f42a38a

Download Submit
memory/2436-0-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2436-1-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/2436-3-0x0000000000430000-0x0000000000436000-memory.dmp

Filesize
24KB

Download
memory/2436-2-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2436-15-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2436-14-0x0000000002480000-0x000000000248E000-memory.dmp

Filesize
56KB

Download
memory/2436-27-0x0000000002480000-0x000000000248E000-memory.dmp

Filesize
56KB

Download
memory/2752-17-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download
memory/2752-19-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2752-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2752-28-0x0000000000500000-0x000000000050E000-memory.dmp

Filesize
56KB

Download