ade65af2774459a828865f24c74ee6f922cdaaa01d0d7b23d5c5eed6ee0359c4

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/01/2024, 17:36

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General

Target

2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe
Size

46KB
MD5

b837865ab3bd08266b105a4fe1797dc0
SHA1

05f277a0a13a2d75fe7bd3e28e7a824bf4112162
SHA256

ade65af2774459a828865f24c74ee6f922cdaaa01d0d7b23d5c5eed6ee0359c4
SHA512

89a50a55df4fcf1266559edf06a093e13a8ed3f750de662e2f4e2a5ffe3911405378207802485d1f7c8010a0d1ee61b495dcd52e9d74f4850b42776cb7c68c9e
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YbDu5z/hDa:bgGYcA/53GAA6y37nbG

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00050000000120fb-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2336	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2408	2024-01-25_b837865ab3bd08266b105a4fe1797dc0_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 2408 wrote to memory of 2336	2408	2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe	28
PID 2408 wrote to memory of 2336	2408	2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe	28
PID 2408 wrote to memory of 2336	2408	2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe	28
PID 2408 wrote to memory of 2336	2408	2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_b837865ab3bd08266b105a4fe1797dc0_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2408
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2336

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
46KB

MD5
df286ca42d8ecfceb8cb858e4831730c

SHA1
195946f6528e996017cb4e9018258a1bc5d942a9

SHA256
fc2565736f1bdb62924243227c43471e57117e71ed7aed3e539fcc31fd8b8de3

SHA512
386fdca9c37b77cdbff1443bd539814bee23777518786527bb5ad6728f61ff9d647b45191ac12a5ab24d2aeb50642d938f59048592cf5844f0f755d4c10d35b7

Download Submit
memory/2336-15-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2336-19-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/2408-0-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download
memory/2408-1-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/2408-8-0x00000000005F0000-0x00000000005F6000-memory.dmp

Filesize
24KB

Download