d7a1ad92fdb7a53a201b8302d6cfdbf74447aabf615d6f008ff03d6d0909c8c7

Analysis

max time kernel
147s
max time network
148s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
21/08/2024, 04:49

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General

Target

2024-08-21_ae9583a898eaeabb07f060805946dfb3_cryptolocker.exe
Size

49KB
MD5

ae9583a898eaeabb07f060805946dfb3
SHA1

50935fbc714c5fc974936b2bce72d997c4326356
SHA256

d7a1ad92fdb7a53a201b8302d6cfdbf74447aabf615d6f008ff03d6d0909c8c7
SHA512

453c151ca8c4cc3e1e97b3303abfba3b7d2886b96837390fbf463b5e52d344f5c26951a5097aaeadd55dbe383a14bb6be963e725b0dafd95513b8ccae88a7526
SSDEEP

768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vdXf6:X6QFElP6n+gJBMOtEvwDpjBtEdXf6

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2744	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
2944	2024-08-21_ae9583a898eaeabb07f060805946dfb3_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	asih.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-08-21_ae9583a898eaeabb07f060805946dfb3_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 2744	2944	2024-08-21_ae9583a898eaeabb07f060805946dfb3_cryptolocker.exe	30
PID 2944 wrote to memory of 2744	2944	2024-08-21_ae9583a898eaeabb07f060805946dfb3_cryptolocker.exe	30
PID 2944 wrote to memory of 2744	2944	2024-08-21_ae9583a898eaeabb07f060805946dfb3_cryptolocker.exe	30
PID 2944 wrote to memory of 2744	2944	2024-08-21_ae9583a898eaeabb07f060805946dfb3_cryptolocker.exe	30

C:\Users\Admin\AppData\Local\Temp\2024-08-21_ae9583a898eaeabb07f060805946dfb3_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-21_ae9583a898eaeabb07f060805946dfb3_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2944
- 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:2744

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

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Downloads

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

Filesize
49KB

MD5
38b901833c69e7b67739f66db904765a

SHA1
4fe19454abff75f2fb80fa3376b7c6de07fb78ec

SHA256
8391a0525d8eb29155a9957144baea3c7b8812040c0422cd12f083f2ca1b73e6

SHA512
34e5a21d3b9411844852d97b79868d83f1624f7f9f05bb9873714ff8cbebbb923c71f1a1ab22eea5d4bd7ebde7cbf08597ac7dd3eab79015abed11e39608a3b6

Download Submit
memory/2744-15-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2744-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2944-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2944-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2944-1-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download