1c5945ba631e642a275fb2b967c15a047b50640bb8d71908387d90074ef3bbdd

Analysis

max time kernel
102s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-09-2024 23:22

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General

Target

ChaosRansomwareBuilderVersion4-main/Src Code/CustomWindowsForm/Form2.Designer.cs
Size

9KB
MD5

2745d51b15634e3b208ed2520792d7cd
SHA1

57f7b01e323107330b6e09c6dbef8a05eed63157
SHA256

39f39381c4aa25c8c9db40fc2780552ef1e8b41a768171f78f7eb332f103db52
SHA512

7bb8a31bcf1581ff2c707420c8250aafbf9db3f20a43ebec9b79c4fd3a4f2e513895baab6baa2ab27eea787711b078931c28cbcc24859e835985b762fea57069
SSDEEP

192:apGUtYZdNQjFFicGHQM8FOkf3jVnW0z29eKl2aDhkVyH7evJPLVnBF1/kVnk2UAF:apGeYZdNQNFOkf3jVnW02eKl2SkVyH79

Score

3^/10

discovery

Malware Config

Signatures

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 1 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	AcroRd32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000_Classes\Local Settings	cmd.exe

Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

pid	Process
2732	AcroRd32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2732	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2732	AcroRd32.exe
2732	AcroRd32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 2732	2368	cmd.exe	30
PID 2368 wrote to memory of 2732	2368	cmd.exe	30
PID 2368 wrote to memory of 2732	2368	cmd.exe	30
PID 2368 wrote to memory of 2732	2368	cmd.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderVersion4-main\Src Code\CustomWindowsForm\Form2.Designer.cs"
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
  "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\ChaosRansomwareBuilderVersion4-main\Src Code\CustomWindowsForm\Form2.Designer.cs"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: CmdExeWriteProcessMemorySpam
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:2732

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

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
7e50e16e77c54a657b74eb076a462c99

SHA1
a3c7137bb9da0050397b646457c40d899f00c72c

SHA256
b445fe0608a676dd9570e50b83402144a3b110dc5cfdb659ba77eba6b0cc46ba

SHA512
feab306cfa13fd6692714e3d293c016bea9c768d6d24b44787deb75141840ea67170f4f95333c349d18edde3f98cbf13444cee3e462e43b0811878d519197d80

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