7ae0a262a472b0d8925414c815562f8e42fb0e166849b623778a2e7b481190b4

Analysis

max time kernel
150s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08/04/2024, 12:58

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General

Target

2024-04-08_ff6021d7d1317b2edd4a581e16f4952b_cryptolocker.exe
Size

125KB
MD5

ff6021d7d1317b2edd4a581e16f4952b
SHA1

8a429a911bf6c9e939e926b5fb7e4b759ff93e3a
SHA256

7ae0a262a472b0d8925414c815562f8e42fb0e166849b623778a2e7b481190b4
SHA512

c915315fe5be35f84b0a889e78dc084c6dd0ee3a4ad69e8ea239cb8cd5a2cc8eabd178c9939840dca6c31fb94055f99a77f55478c0304f3bef8e3e63bf8e1bcf
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBp3:vCA9OtEvwDpjb

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000900000001227e-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000900000001227e-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2600	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1724	2024-04-08_ff6021d7d1317b2edd4a581e16f4952b_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 1724 wrote to memory of 2600	1724	2024-04-08_ff6021d7d1317b2edd4a581e16f4952b_cryptolocker.exe	28
PID 1724 wrote to memory of 2600	1724	2024-04-08_ff6021d7d1317b2edd4a581e16f4952b_cryptolocker.exe	28
PID 1724 wrote to memory of 2600	1724	2024-04-08_ff6021d7d1317b2edd4a581e16f4952b_cryptolocker.exe	28
PID 1724 wrote to memory of 2600	1724	2024-04-08_ff6021d7d1317b2edd4a581e16f4952b_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-08_ff6021d7d1317b2edd4a581e16f4952b_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-08_ff6021d7d1317b2edd4a581e16f4952b_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1724
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2600

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
126KB

MD5
55587612512e44a7225e860aedb85d3c

SHA1
b4fcd3efcf00e27ea90c369f18607f9610162f07

SHA256
5a84a9f3ce19f7e1d9df8c40ae2064ca61a8126ee587c1beb1eb8be572e90e0b

SHA512
5046e56bdd781b8b21be747c1b644ee8ef9a5a637a0edc22653d4bb08242539cccfb296d81d590613d6d11aa3ca5066fa8ae81bf7cf05fdda43225a4ee7c5c21

Download Submit
memory/1724-0-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1724-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1724-4-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2600-15-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2600-16-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download