f9fddc77110d78de27691371522c663528fdff6d4dac4a5978f2d3634a732bcd

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20230712-en
resource tags

arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
submitted
06/08/2023, 17:47

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General

Target

8e7e1959b39b0c6d099c80a491efdc09_cryptolocker_JC.exe
Size

32KB
MD5

8e7e1959b39b0c6d099c80a491efdc09
SHA1

d81203a0c8edfa0a958c6df2a20e9a72dbfe9b21
SHA256

f9fddc77110d78de27691371522c663528fdff6d4dac4a5978f2d3634a732bcd
SHA512

1995a295696015e7cafea6ac63b99da641da072a09012b1d537d885b95524712e00cbc7e4233dd513402fff1db512a44a260c5228719300e9052edc0f78ae6a5
SSDEEP

384:bgX4uGLLQRcsdeQ7/nQu63Ag7YmecFanrlwfjDUkKDfWf0w3sp8kVg:bgX4zYcgTEu6QOaryfjqDDw3sCj

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2548	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1272	8e7e1959b39b0c6d099c80a491efdc09_cryptolocker_JC.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 1272 wrote to memory of 2548	1272	8e7e1959b39b0c6d099c80a491efdc09_cryptolocker_JC.exe	28
PID 1272 wrote to memory of 2548	1272	8e7e1959b39b0c6d099c80a491efdc09_cryptolocker_JC.exe	28
PID 1272 wrote to memory of 2548	1272	8e7e1959b39b0c6d099c80a491efdc09_cryptolocker_JC.exe	28
PID 1272 wrote to memory of 2548	1272	8e7e1959b39b0c6d099c80a491efdc09_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\8e7e1959b39b0c6d099c80a491efdc09_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\8e7e1959b39b0c6d099c80a491efdc09_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1272
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2548

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

C:\Users\Admin\AppData\Local\Temp\hasfj.exe

Filesize
32KB

MD5
6fdfe48c5bfea0d48faa056d2a77c094

SHA1
7b2ef0f8344c7539e58e6b450d123baea70a069c

SHA256
aeab8d068d64afa6f40b8e3948cfb9e58c3b514fe55fd4b1c50a1e6ec54cf833

SHA512
e178a1a292aea441879cb1e53977538858fc087b91e51d2191df6655b858b1dc23a744664e0ec9d4edbdce8b42db56b690ddde796f02dd7a2e0f06f2b4b2378d

Download Submit
C:\Users\Admin\AppData\Local\Temp\hasfj.exe

Filesize
32KB

MD5
6fdfe48c5bfea0d48faa056d2a77c094

SHA1
7b2ef0f8344c7539e58e6b450d123baea70a069c

SHA256
aeab8d068d64afa6f40b8e3948cfb9e58c3b514fe55fd4b1c50a1e6ec54cf833

SHA512
e178a1a292aea441879cb1e53977538858fc087b91e51d2191df6655b858b1dc23a744664e0ec9d4edbdce8b42db56b690ddde796f02dd7a2e0f06f2b4b2378d

Download Submit
\Users\Admin\AppData\Local\Temp\hasfj.exe

Filesize
32KB

MD5
6fdfe48c5bfea0d48faa056d2a77c094

SHA1
7b2ef0f8344c7539e58e6b450d123baea70a069c

SHA256
aeab8d068d64afa6f40b8e3948cfb9e58c3b514fe55fd4b1c50a1e6ec54cf833

SHA512
e178a1a292aea441879cb1e53977538858fc087b91e51d2191df6655b858b1dc23a744664e0ec9d4edbdce8b42db56b690ddde796f02dd7a2e0f06f2b4b2378d

Download Submit
memory/1272-54-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/1272-56-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/1272-55-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/2548-69-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2548-70-0x0000000000590000-0x0000000000596000-memory.dmp

Filesize
24KB

Download