87fbfa7d93f13ed98af3ec14756f76866a53b07e0b3ca4e68e51cf5ec07068a6

Analysis

max time kernel
132s
max time network
139s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
07/09/2024, 02:19

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General

Target

2024-09-07_fbc07fe0c71117a91c3f76db1a39c943_cryptolocker.exe
Size

49KB
MD5

fbc07fe0c71117a91c3f76db1a39c943
SHA1

f2ebef000fdb2a6b9b349993a5188d0026f6f6f2
SHA256

87fbfa7d93f13ed98af3ec14756f76866a53b07e0b3ca4e68e51cf5ec07068a6
SHA512

76fb49872feb33069232816456b12b2e67da673dacbe6716bb0f015cf9780f8fd9bc906e74241cf9683c0471838387c3dcac8f0f5acaf9fe250f35f7b8117f9a
SSDEEP

768:P6LsoVEeegiZPvEhHSP+gp/QtOOtEvwDpjBBMLZdzuqpXsiE8Wq/Dpkce:P6Q0ElP6G+gJQMOtEvwDpjB8WMlfe

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2080	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2888	2024-09-07_fbc07fe0c71117a91c3f76db1a39c943_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	2024-09-07_fbc07fe0c71117a91c3f76db1a39c943_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 2888 wrote to memory of 2080	2888	2024-09-07_fbc07fe0c71117a91c3f76db1a39c943_cryptolocker.exe	31
PID 2888 wrote to memory of 2080	2888	2024-09-07_fbc07fe0c71117a91c3f76db1a39c943_cryptolocker.exe	31
PID 2888 wrote to memory of 2080	2888	2024-09-07_fbc07fe0c71117a91c3f76db1a39c943_cryptolocker.exe	31
PID 2888 wrote to memory of 2080	2888	2024-09-07_fbc07fe0c71117a91c3f76db1a39c943_cryptolocker.exe	31

C:\Users\Admin\AppData\Local\Temp\2024-09-07_fbc07fe0c71117a91c3f76db1a39c943_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-09-07_fbc07fe0c71117a91c3f76db1a39c943_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2888
- 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:2080

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

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

Filesize
49KB

MD5
28b31093f73d4d59bc3d6abb00efb7ee

SHA1
d8f5dad82225370ee905a62434a63b0f705fba70

SHA256
3b31368ae7db618ff8a94015d5fb7a0d9336eafad3435c0ef795ce8030c92020

SHA512
f17745bb14a0a4e92a79a687447cd4c51769e752782cbf82c522b97e9780ba5930997ae35b30e401a84c43626bb0372123d06d30f24ef7a10f1b760cd18029ea

Download Submit
memory/2080-17-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2080-24-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2080-25-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2888-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2888-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2888-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2888-9-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2888-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download