41d4868934911df58d351d59697699057b6293ec1657206bf75657e9fa129844

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
26/08/2024, 07:13

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General

Target

2024-08-26_ed25e25666540aa270418f1f3d21a11d_cryptolocker.exe
Size

48KB
MD5

ed25e25666540aa270418f1f3d21a11d
SHA1

dc31bb7866b3ef21cedba926aacb31f9f2469b36
SHA256

41d4868934911df58d351d59697699057b6293ec1657206bf75657e9fa129844
SHA512

357bab639c7c65793ff73e1c90a8d60317411526f55e353f956b683b38691b7cfab40a33af478b5d2812160c7073db90861d61bc1a48897a55b3f61ad735fd78
SSDEEP

1536:o1KhxqwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZszsbKY1x5hjatc:aq7tdgI2MyzNORQtOflIwoHNV2XBFV7o

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2876	hurok.exe

Loads dropped DLL 1 IoCs

pid	Process
2100	2024-08-26_ed25e25666540aa270418f1f3d21a11d_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	2024-08-26_ed25e25666540aa270418f1f3d21a11d_cryptolocker.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	hurok.exe

Suspicious use of UnmapMainImage 2 IoCs

pid	Process
2100	2024-08-26_ed25e25666540aa270418f1f3d21a11d_cryptolocker.exe
2876	hurok.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2100 wrote to memory of 2876	2100	2024-08-26_ed25e25666540aa270418f1f3d21a11d_cryptolocker.exe	28
PID 2100 wrote to memory of 2876	2100	2024-08-26_ed25e25666540aa270418f1f3d21a11d_cryptolocker.exe	28
PID 2100 wrote to memory of 2876	2100	2024-08-26_ed25e25666540aa270418f1f3d21a11d_cryptolocker.exe	28
PID 2100 wrote to memory of 2876	2100	2024-08-26_ed25e25666540aa270418f1f3d21a11d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-08-26_ed25e25666540aa270418f1f3d21a11d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-08-26_ed25e25666540aa270418f1f3d21a11d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2100
- C:\Users\Admin\AppData\Local\Temp\hurok.exe
  "C:\Users\Admin\AppData\Local\Temp\hurok.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of UnmapMainImage
  PID:2876

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\hurok.exe

Filesize
48KB

MD5
0f67fb3a37ab40300022e970b502f712

SHA1
3b932840f477838655e2bd167689d84baaad11c2

SHA256
90d33f7708a6caef02d6163ae25a3d93ecbc4e4aedd325e64f2a4141fa919ce8

SHA512
d488d28a6bc5b211a0cbd52cfafe56db6957930ffa6b883bd8ba56dc257dd1709ec1402a1a665096a45a4772dd193d15040021cbc6a03384d2fe940b1630115e

Download Submit
memory/2100-0-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2100-1-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2100-8-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download