88acb0838b8118bf3421e81027e7b84e1a9531cd50bcce2096c089660226d08f

Analysis

max time kernel
0s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21/11/2024, 06:55

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General

Target

2024-11-21_afd7bc1e13f7ba496841c0341e291875_cryptolocker.exe
Size

79KB
MD5

afd7bc1e13f7ba496841c0341e291875
SHA1

802aaec0807f89710278c1a0b109cff975c14be2
SHA256

88acb0838b8118bf3421e81027e7b84e1a9531cd50bcce2096c089660226d08f
SHA512

2e81c486006d1066a88076aaf95721e6670e95872491232d2684479bdd6f2430c56b39f21c5a50482c18e6162bfdcb9c398d31d3b080d72a97703143cf08fd81
SSDEEP

1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHsoLkt7:X6a+SOtEvwDpjBZYvQd2i

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2520	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1860	2024-11-21_afd7bc1e13f7ba496841c0341e291875_cryptolocker.exe

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	2024-11-21_afd7bc1e13f7ba496841c0341e291875_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	asih.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 2520	1860	2024-11-21_afd7bc1e13f7ba496841c0341e291875_cryptolocker.exe	29
PID 1860 wrote to memory of 2520	1860	2024-11-21_afd7bc1e13f7ba496841c0341e291875_cryptolocker.exe	29
PID 1860 wrote to memory of 2520	1860	2024-11-21_afd7bc1e13f7ba496841c0341e291875_cryptolocker.exe	29
PID 1860 wrote to memory of 2520	1860	2024-11-21_afd7bc1e13f7ba496841c0341e291875_cryptolocker.exe	29

C:\Users\Admin\AppData\Local\Temp\2024-11-21_afd7bc1e13f7ba496841c0341e291875_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-21_afd7bc1e13f7ba496841c0341e291875_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1860
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
79KB

MD5
8201fea0ed7e0d8cc4da8ffe08f9eb5d

SHA1
1a852e9947d4aa84924afc845a518a0d87299bb0

SHA256
5b0a2fbe79c2dd5fd9c2521a96b2a51afcd22150bab88f47473b382c92ae130a

SHA512
c6feb30e1a3d5fde75a2573770c5f7d2680882e6fcd43e82a47ddb15208b3e5b521c25d3c5b33b7a69484120fcb3d6af3c5069a2457a0db2c0c7e0ecb14a669e

Download Submit
memory/1860-8-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/1860-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1860-0-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download
memory/2520-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2520-15-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download