dharma | dddf7894b2e6aafa1903384759d68455c3a4a8348a7e2da3bd272555eba9bec0

Analysis

max time kernel
31s
max time network
33s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-08-2024 05:33

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General

Target

CoronaVirus.exe
Size

1.0MB
MD5

055d1462f66a350d9886542d4d79bc2b
SHA1

f1086d2f667d807dbb1aa362a7a809ea119f2565
SHA256

dddf7894b2e6aafa1903384759d68455c3a4a8348a7e2da3bd272555eba9bec0
SHA512

2c5e570226252bdb2104c90d5b75f11493af8ed1be8cb0fd14e3f324311a82138753064731b80ce8e8b120b3fe7009b21a50e9f4583d534080e28ab84b83fee1
SSDEEP

24576:FRYz/ERA0eMuWfHvgPw/83JI8CorP9qY0:FE/yADMuYvgP93JIc2

Score

10^/10

dharma discovery persistence ransomware

Malware Config

Signatures

Dharma
Dharma is a ransomware that uses security software installation to hide malicious activities.
ransomware dharma
Drops startup file 1 IoCs

Processes:

CoronaVirus.exe

description ioc process

File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\CoronaVirus.exe CoronaVirus.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\CoronaVirus.exe	CoronaVirus.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

CoronaVirus.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CoronaVirus.exe = "C:\\Windows\\System32\\CoronaVirus.exe"	CoronaVirus.exe

Drops file in System32 directory 1 IoCs

Processes:

CoronaVirus.exe

description ioc process

File created C:\Windows\System32\CoronaVirus.exe CoronaVirus.exe
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

Processes:

CoronaVirus.exe

description ioc process

Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language CoronaVirus.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

CoronaVirus.exe

pid process

4220 CoronaVirus.exe
4220 CoronaVirus.exe
4220 CoronaVirus.exe
4220 CoronaVirus.exe

description	ioc	process
File created	C:\Windows\System32\CoronaVirus.exe	CoronaVirus.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CoronaVirus.exe

pid	process
4220	CoronaVirus.exe
4220	CoronaVirus.exe
4220	CoronaVirus.exe
4220	CoronaVirus.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

CoronaVirus.exe

description	pid	process	target process
PID 4220 wrote to memory of 3648	4220	CoronaVirus.exe	cmd.exe
PID 4220 wrote to memory of 3648	4220	CoronaVirus.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\CoronaVirus.exe
"C:\Users\Admin\AppData\Local\Temp\CoronaVirus.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4220
- C:\Windows\system32\cmd.exe
  "C:\Windows\system32\cmd.exe"
  2⤵
  PID:3648

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

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/4220-0-0x0000000000400000-0x000000000056F000-memory.dmp

Filesize
1.4MB

Download
memory/4220-1-0x000000000ADB0000-0x000000000ADE4000-memory.dmp

Filesize
208KB

Download
memory/4220-3-0x0000000000400000-0x000000000056F000-memory.dmp

Filesize
1.4MB

Download