e15d1764d657b46662117c84bcd4ca46e7041819e8d53f74223d11f1bbae52b2

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25-01-2024 11:32

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General

Target

2024-01-25_af1e7bdf89dadc65caeebe5143502b94_cryptolocker.exe
Size

46KB
MD5

af1e7bdf89dadc65caeebe5143502b94
SHA1

61afb8de3b61675ea9cb97106739a39a1b5f4269
SHA256

e15d1764d657b46662117c84bcd4ca46e7041819e8d53f74223d11f1bbae52b2
SHA512

ee61c24ec4757ad251b4ba1c6cf96a50767cbd90b27628b1720ea85541dcea3376142071c8a453ee63ef5e88e29646cbe42b8cf340c09d7536da555152d4c45d
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YbDu5z/hS4:bgGYcA/53GAA6y37nbS4

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001232b-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
3008	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2976	2024-01-25_af1e7bdf89dadc65caeebe5143502b94_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 2976 wrote to memory of 3008	2976	2024-01-25_af1e7bdf89dadc65caeebe5143502b94_cryptolocker.exe	28
PID 2976 wrote to memory of 3008	2976	2024-01-25_af1e7bdf89dadc65caeebe5143502b94_cryptolocker.exe	28
PID 2976 wrote to memory of 3008	2976	2024-01-25_af1e7bdf89dadc65caeebe5143502b94_cryptolocker.exe	28
PID 2976 wrote to memory of 3008	2976	2024-01-25_af1e7bdf89dadc65caeebe5143502b94_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-25_af1e7bdf89dadc65caeebe5143502b94_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-25_af1e7bdf89dadc65caeebe5143502b94_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2976
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:3008

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
e29ac235d525625c55687e2da531fc41

SHA1
c35cbe36da14a350ee99591dcfbf88f8e0d8b499

SHA256
097468e8acab29fa31e81b1ee642d7dbc3cc1f6003b8f619b01d5e6faf7a3ae7

SHA512
a9cd03b82ec5c5e15152b68bb92aa2062dcd83646afda93e9462d5fbd6fd5bfd319095ff2a52a5d24490bd9188fbb25bb16eb2d20722566f2c4354aacb53021c

Download Submit
memory/2976-0-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/2976-1-0x0000000001CF0000-0x0000000001CF6000-memory.dmp

Filesize
24KB

Download
memory/2976-8-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/3008-15-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/3008-18-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download