18d243a100eb20280e88e1349bdb4cc4bec1d99c6830ef5ddf0f30509fa679e2

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
26/03/2024, 23:21

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General

Target

2024-03-26_0a12692ae2a89e1b4d9a977bb64d5051_cryptolocker.exe
Size

387KB
MD5

0a12692ae2a89e1b4d9a977bb64d5051
SHA1

1582c1c8b5f6bcd5758b39c77e037f9ae4ff67bf
SHA256

18d243a100eb20280e88e1349bdb4cc4bec1d99c6830ef5ddf0f30509fa679e2
SHA512

a936de4568d4d82ae78e505a720155955e5a6d9155b02b2a76095f355c01d6b802b5905e132b8888d9ef965ca36bdb3e122182d157e58d1f836ea6472e39e2d8
SSDEEP

6144:nnOsaQgAOjvrZFODJjBz3j1jTqQy6v2GGnugOtihzXF:nnOflT/ZFIjBz3xjTxynGUOUhXF

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a0000000142b5-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2516	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2204	2024-03-26_0a12692ae2a89e1b4d9a977bb64d5051_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 2516	2204	2024-03-26_0a12692ae2a89e1b4d9a977bb64d5051_cryptolocker.exe	28
PID 2204 wrote to memory of 2516	2204	2024-03-26_0a12692ae2a89e1b4d9a977bb64d5051_cryptolocker.exe	28
PID 2204 wrote to memory of 2516	2204	2024-03-26_0a12692ae2a89e1b4d9a977bb64d5051_cryptolocker.exe	28
PID 2204 wrote to memory of 2516	2204	2024-03-26_0a12692ae2a89e1b4d9a977bb64d5051_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-26_0a12692ae2a89e1b4d9a977bb64d5051_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-26_0a12692ae2a89e1b4d9a977bb64d5051_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2516

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\hasfj.exe

Filesize
387KB

MD5
1b7032d18cf85b13985b827e5569ed1a

SHA1
69cb6e17784a9822c77cd4515cfb44cf1035226c

SHA256
e330316dce6baf6ff726d9fb925163db35504aa4ae74f4a8143fdde688497c63

SHA512
555cd3900cd6a63b23eb054196e1c5733d8b300711199ef390fcb96ddb0a519b9ec4559fa8d43dec82dbb6a3870700b5c3cd0599935da92654137d2b0e6ba3c9

Download Submit
memory/2204-0-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2204-2-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/2204-1-0x0000000000390000-0x0000000000396000-memory.dmp

Filesize
24KB

Download
memory/2516-15-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/2516-18-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download