f7e3142bef93c408e7a545631a091bbfdad4b2dff4f9a43d527e6721fe94be43

Analysis

max time kernel
149s
max time network
154s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/09/2024, 04:25

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General

Target

2024-09-19_4427fb3eabbc9d5606ab7e62ab004759_cryptolocker.exe
Size

35KB
MD5

4427fb3eabbc9d5606ab7e62ab004759
SHA1

01517b3e0be0a0875a3b1011dcb797f8fb4554cc
SHA256

f7e3142bef93c408e7a545631a091bbfdad4b2dff4f9a43d527e6721fe94be43
SHA512

fc60432663d9a9a4a258fad1e9e22b08fec90dd2ca68129771780b885b266dc4707cb7fd9952aca32f58cde946c29dae4ddf0ddc1b5528a3a2eccc9bd314c7b0
SSDEEP

384:bmM0V/YPvnr801TRoUGPh4TKt6ATt1DqgPa3s/zzoCt9/B1RU3qE4kb6oTy3:b7o/2n1TCraU6GD1a4Xt9bRU6zA6oTy3

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2764	rewok.exe

Loads dropped DLL 1 IoCs

pid	Process
2320	2024-09-19_4427fb3eabbc9d5606ab7e62ab004759_cryptolocker.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-09-19_4427fb3eabbc9d5606ab7e62ab004759_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rewok.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2320	2024-09-19_4427fb3eabbc9d5606ab7e62ab004759_cryptolocker.exe
2764	rewok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 2764	2320	2024-09-19_4427fb3eabbc9d5606ab7e62ab004759_cryptolocker.exe	30
PID 2320 wrote to memory of 2764	2320	2024-09-19_4427fb3eabbc9d5606ab7e62ab004759_cryptolocker.exe	30
PID 2320 wrote to memory of 2764	2320	2024-09-19_4427fb3eabbc9d5606ab7e62ab004759_cryptolocker.exe	30
PID 2320 wrote to memory of 2764	2320	2024-09-19_4427fb3eabbc9d5606ab7e62ab004759_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-09-19_4427fb3eabbc9d5606ab7e62ab004759_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-19_4427fb3eabbc9d5606ab7e62ab004759_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2320
- C:\Users\Admin\AppData\Local\Temp\rewok.exe
  "C:\Users\Admin\AppData\Local\Temp\rewok.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
35KB

MD5
06b7969f884eef44e3f91a5317731c1b

SHA1
e6d8255ced87ddcd3902832b4d25a58fd2f0d877

SHA256
5b01c33a5fae031f96ec75184e2693bdb6aec6012d50077fa95d99982f50a1d6

SHA512
d8b87fbb93100c71ce573cafd638e475d631e416bb25ce5dbe461c6084d056c65d023924d1fc53a81fc6aada6fa15db03b3eccb104bff9324b81c1c23e7406c2

Download Submit
memory/2320-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2320-0-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/2320-8-0x00000000003E0000-0x00000000003E6000-memory.dmp

Filesize
24KB

Download
memory/2764-23-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download