be6d43cdfe7fd387d309aaeb634584a69b69e0ba567f7abfb0edfa4c29ad2385

General

Target
jaffacakes118_Trojan.Win32.Cnopa.eo.exe
Size 885KB
Sample261018-2faa1sch55
SHA256 be6d43cdfe7fd387d309aaeb634584a69b69e0ba567f7abfb0edfa4c29ad2385
MD5 5b4437d1cfd28c67a013075c6373e35f
SHA1 302f0ceb93cd8ad94c0a5e986c8428544677ab6c
SHA512 06260a9a0b5ffa7f9a6d45fe05ba3fe07517fea98a423d0f7b7541bc88ccb676a2bb18b3e89f183189a5824240acbf9ac2017bd1b3069486a5438592686b1016
SSDEEP 12288:ffWr+uECFnvXmnES1DyAvYHgBTPAE15qBFNZ6IJdJaT/xCr:xsvmnJuAvYABTPB15QIc2jcr
TLSH
T1E015CF28340A1105E2E5C4376623C9D5DF2C1D9F1B92EAE51E4A057D36EED22BDF0E2E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

defense_evasion discovery execution

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\Control Panel\International\Geo\Nation	jaffacakes118_Trojan.Win32.Cnopa.eo.exe
Key value queried	\REGISTRY\USER\S-1-5-21-747854149-4118156852-591593384-1000\Control Panel\International\Geo\Nation	818F.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
4556	818F.tmp.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4716	cmd.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 4 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	818F.tmp.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	818F.tmp.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	jaffacakes118_Trojan.Win32.Cnopa.eo.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	jaffacakes118_Trojan.Win32.Cnopa.eo.exe

System Location Discovery: System Language Discovery 1 TTPs 5 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	jaffacakes118_Trojan.Win32.Cnopa.eo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	818F.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4716	cmd.exe
4696	PING.EXE

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
3760	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
4696	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3760	taskkill.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1616 wrote to memory of 4556	1616	jaffacakes118_Trojan.Win32.Cnopa.eo.exe	86
PID 4556 wrote to memory of 4716	4556	818F.tmp.exe	87
PID 4716 wrote to memory of 3760	4716	cmd.exe	89
PID 4716 wrote to memory of 4696	4716	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Cnopa.eo.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Cnopa.eo.exe"
1⤵
- Checks computer location settings
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1616
- C:\Users\Admin\AppData\Local\Temp\818F.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\818F.tmp.exe" --stid="" --onl
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Reads the TCP/IP host and domain name from the registry
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4556
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c taskkill /f /pid 4556 & for /l %x in (1,1,60) do ( ping 127.0.0.1 -n 2 -w 500 & del /q /f "C:\Users\Admin\AppData\Local\Temp\818F.tmp.exe" & if not exist "C:\Users\Admin\AppData\Local\Temp\818F.tmp.exe" ( exit ) )
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:4716
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /pid 4556
      4⤵
      System Location Discovery: System Language Discovery
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:3760
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1 -n 2 -w 500
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:4696

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Windows Command Shell

1

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Remote System Discovery

1

T1018

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

2

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

818F.tmp.exe

Path C:\Users\Admin\AppData\Local\Temp\818F.tmp.exe
Size 885KB
SHA256 be6d43cdfe7fd387d309aaeb634584a69b69e0ba567f7abfb0edfa4c29ad2385
MD5 5b4437d1cfd28c67a013075c6373e35f
SHA1 302f0ceb93cd8ad94c0a5e986c8428544677ab6c
SHA512 06260a9a0b5ffa7f9a6d45fe05ba3fe07517fea98a423d0f7b7541bc88ccb676a2bb18b3e89f183189a5824240acbf9ac2017bd1b3069486a5438592686b1016
SSDEEP 12288:ffWr+uECFnvXmnES1DyAvYHgBTPAE15qBFNZ6IJdJaT/xCr:xsvmnJuAvYABTPB15QIc2jcr
TLSH
T1E015CF28340A1105E2E5C4376623C9D5DF2C1D9F1B92EAE51E4A057D36EED22BDF0E2E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1616-0-0x0000000000570000-0x0000000000572000-memory.dmp

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memory/1616-11-0x0000000000400000-0x00000000004DC000-memory.dmp

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memory/4556-13-0x0000000000400000-0x00000000004DC000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads