503b1aff23f00a7a668cc8213199a78ac5a66704f375f198b9d41514753cefc8

Analysis

max time kernel
176s
max time network
178s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-11-2024 18:55

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General

Target

crususususussu crysis.exe
Size

118KB
MD5

3dafd3cca1edf4b51321eb019ce0196f
SHA1

d6f73449c7edc104e73b694cf8ea79869ba8b6a6
SHA256

9a5a620bf7e1eeed874d02afa8f7d2a6bb7c51ed431346f87514cf239c0d5a17
SHA512

336eaa50d1fcbbe602e1878eed578e5be7e492a77d01f05075b0c64702391a12d8cd1237d9e10905999642810f36b8a01995a614899e9f9224896d403873fda1
SSDEEP

3072:gWk1zRZTLPwwD04+KsdH8xwkA2YYoN1dMtIyI6eqvu6u:Dk1zRJzwZrMA4tpc

Score

6^/10

discovery

Malware Config

Signatures

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	crususususussu crysis.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	crususususussu crysis.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2332 set thread context of 2316	2332	crususususussu crysis.exe	30

System Location Discovery: System Language Discovery 1 TTPs 3 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	crususususussu crysis.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	crususususussu crysis.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2316	crususususussu crysis.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2332 wrote to memory of 2316	2332	crususususussu crysis.exe	30
PID 2332 wrote to memory of 2316	2332	crususususussu crysis.exe	30
PID 2332 wrote to memory of 2316	2332	crususususussu crysis.exe	30
PID 2332 wrote to memory of 2316	2332	crususususussu crysis.exe	30
PID 2332 wrote to memory of 2316	2332	crususususussu crysis.exe	30
PID 2332 wrote to memory of 2316	2332	crususususussu crysis.exe	30
PID 2332 wrote to memory of 2316	2332	crususususussu crysis.exe	30
PID 2316 wrote to memory of 2860	2316	crususususussu crysis.exe	32
PID 2316 wrote to memory of 2860	2316	crususususussu crysis.exe	32
PID 2316 wrote to memory of 2860	2316	crususususussu crysis.exe	32
PID 2316 wrote to memory of 2860	2316	crususususussu crysis.exe	32

C:\Users\Admin\AppData\Local\Temp\crususususussu crysis.exe
"C:\Users\Admin\AppData\Local\Temp\crususususussu crysis.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2332
- C:\Users\Admin\AppData\Local\Temp\crususususussu crysis.exe
  "C:\Users\Admin\AppData\Local\Temp\crususususussu crysis.exe"
  2⤵
  - Maps connected drives based on registry
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: MapViewOfSection
  - Suspicious use of WriteProcessMemory
  PID:2316
- - C:\Windows\SysWOW64\explorer.exe
    explorer.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2860

C:\Windows\explorer.exe
"C:\Windows\explorer.exe"
1⤵
PID:2216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

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

memory/2316-4-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2316-2-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2316-1-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2316-0-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2316-5-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2316-6-0x0000000000070000-0x0000000000089000-memory.dmp

Filesize
100KB

Download
memory/2316-7-0x0000000000400000-0x0000000000405000-memory.dmp

Filesize
20KB

Download
memory/2316-8-0x0000000000070000-0x0000000000089000-memory.dmp

Filesize
100KB

Download
memory/2860-9-0x0000000000A80000-0x0000000000D01000-memory.dmp

Filesize
2.5MB

Download
memory/2860-10-0x0000000000A80000-0x0000000000D01000-memory.dmp

Filesize
2.5MB

Download
memory/2860-11-0x0000000000A80000-0x0000000000D01000-memory.dmp

Filesize
2.5MB

Download