4ac2dcf63f99445d6783017adc739c56c3a548121166435be37b71d32babfd99

Analysis

max time kernel
141s
max time network
144s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
23/10/2023, 20:25

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General

Target

NEAS.2023-09-04_6e79b83c3d13747c99711f76064eb5f7_cryptolocker_JC.exe
Size

41KB
MD5

6e79b83c3d13747c99711f76064eb5f7
SHA1

d3d5c788c53faa77c57fbdc28f405dbd44bc8ad4
SHA256

4ac2dcf63f99445d6783017adc739c56c3a548121166435be37b71d32babfd99
SHA512

0d1b3a8c723ec16cbe7e0a4cacb9d0b7c300359146638334c30c7f90811b95f504ed176dedd62993b087afaaaf9a85d5219ea79cb61ef47626a516b5b59303c2
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YbNz:bgGYcA/53GAA6y37ez

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2656	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1060	NEAS.2023-09-04_6e79b83c3d13747c99711f76064eb5f7_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 1060 wrote to memory of 2656	1060	NEAS.2023-09-04_6e79b83c3d13747c99711f76064eb5f7_cryptolocker_JC.exe	28
PID 1060 wrote to memory of 2656	1060	NEAS.2023-09-04_6e79b83c3d13747c99711f76064eb5f7_cryptolocker_JC.exe	28
PID 1060 wrote to memory of 2656	1060	NEAS.2023-09-04_6e79b83c3d13747c99711f76064eb5f7_cryptolocker_JC.exe	28
PID 1060 wrote to memory of 2656	1060	NEAS.2023-09-04_6e79b83c3d13747c99711f76064eb5f7_cryptolocker_JC.exe	28

C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-04_6e79b83c3d13747c99711f76064eb5f7_cryptolocker_JC.exe
"C:\Users\Admin\AppData\Local\Temp\NEAS.2023-09-04_6e79b83c3d13747c99711f76064eb5f7_cryptolocker_JC.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1060
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2656

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
41KB

MD5
d5068ec71cb7878b3a7a77fb43e6ba8f

SHA1
c7544a99e71391fee97506aae8ecfda3f5689bac

SHA256
7646c718b103c313538fb90cd1f47c28da8818a2a5ee4252bc9ad8584b422b28

SHA512
aa2dd4a2b62acda72422b4aef5c73f6f932600d5f69ffe13a216bf91a3ea0a3ca0341707cea4d8de971e036d8007ee7e8a49c59d6e222863e8dc8defc531b343

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

Filesize
41KB

MD5
d5068ec71cb7878b3a7a77fb43e6ba8f

SHA1
c7544a99e71391fee97506aae8ecfda3f5689bac

SHA256
7646c718b103c313538fb90cd1f47c28da8818a2a5ee4252bc9ad8584b422b28

SHA512
aa2dd4a2b62acda72422b4aef5c73f6f932600d5f69ffe13a216bf91a3ea0a3ca0341707cea4d8de971e036d8007ee7e8a49c59d6e222863e8dc8defc531b343

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

Filesize
41KB

MD5
d5068ec71cb7878b3a7a77fb43e6ba8f

SHA1
c7544a99e71391fee97506aae8ecfda3f5689bac

SHA256
7646c718b103c313538fb90cd1f47c28da8818a2a5ee4252bc9ad8584b422b28

SHA512
aa2dd4a2b62acda72422b4aef5c73f6f932600d5f69ffe13a216bf91a3ea0a3ca0341707cea4d8de971e036d8007ee7e8a49c59d6e222863e8dc8defc531b343

Download Submit
memory/1060-0-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1060-1-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1060-2-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2656-16-0x0000000000570000-0x0000000000576000-memory.dmp

Filesize
24KB

Download
memory/2656-15-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download