b030a72c11b09d78aee93344c445ff4dcde19535b4a50474934d23792aa49af9

General

Target
jaffacakes118_Trojan.Win32.Cnopa.lp.exe
Size 869KB
Sample261006-v1ctbaswcv
SHA256 b030a72c11b09d78aee93344c445ff4dcde19535b4a50474934d23792aa49af9
MD5 ab52dfe8d03e84b28f6a64a79aaaf146
SHA1 acc06b6f4844b331afb9ca68a4a4900ec94fe875
SHA512 41c0c5aa0cfbd09070ac06bc18eded14dc3dc43b04e924cf239dcb45ab8af170b15669d0bb77745a17232c2f01473d7b7a222bef83b51cd558e660b9c5e877c6
SSDEEP 12288:fI52jWr+uECFnvXmnES1DyAvYHgBTPAE15qBFNZ6IJdJaT/xV:wwdsvmnJuAvYABTPB15QIc2jr
TLSH
T16D15CF28340A1105D2E5C8376663C9D1DF1C1D9F1B92E6E51E4A057D3AEEE22BDF0E2E
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4624	EF5C.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
6008	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	jaffacakes118_Trojan.Win32.Cnopa.lp.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	jaffacakes118_Trojan.Win32.Cnopa.lp.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	EF5C.tmp.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	EF5C.tmp.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.lp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EF5C.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
6008	cmd.exe
2568	PING.EXE

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
2016	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2568	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2016	taskkill.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 5640 wrote to memory of 4624	5640	jaffacakes118_Trojan.Win32.Cnopa.lp.exe	90
PID 4624 wrote to memory of 6008	4624	EF5C.tmp.exe	91
PID 6008 wrote to memory of 2016	6008	cmd.exe	93
PID 6008 wrote to memory of 2568	6008	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Cnopa.lp.exe
"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_Trojan.Win32.Cnopa.lp.exe"
1⤵
- Reads the TCP/IP host and domain name from the registry
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5640
- C:\Users\Admin\AppData\Local\Temp\EF5C.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\EF5C.tmp.exe" --stid="" --onl
  2⤵
  - 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:4624
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c taskkill /f /pid 4624 & 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\EF5C.tmp.exe" & if not exist "C:\Users\Admin\AppData\Local\Temp\EF5C.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:6008
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /pid 4624
      4⤵
      System Location Discovery: System Language Discovery
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:2016
  - - 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:2568

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

Remote System Discovery

1

T1018

System Information Discovery

1

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

EF5C.tmp.exe

Path C:\Users\Admin\AppData\Local\Temp\EF5C.tmp.exe
Size 869KB
SHA256 b030a72c11b09d78aee93344c445ff4dcde19535b4a50474934d23792aa49af9
MD5 ab52dfe8d03e84b28f6a64a79aaaf146
SHA1 acc06b6f4844b331afb9ca68a4a4900ec94fe875
SHA512 41c0c5aa0cfbd09070ac06bc18eded14dc3dc43b04e924cf239dcb45ab8af170b15669d0bb77745a17232c2f01473d7b7a222bef83b51cd558e660b9c5e877c6
SSDEEP 12288:fI52jWr+uECFnvXmnES1DyAvYHgBTPAE15qBFNZ6IJdJaT/xV:wwdsvmnJuAvYABTPB15QIc2jr
TLSH
T16D15CF28340A1105D2E5C8376663C9D1DF1C1D9F1B92E6E51E4A057D3AEEE22BDF0E2E
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4624-2-0x0000000000400000-0x00000000004D9000-memory.dmp

Download

memory/5640-1-0x0000000000400000-0x00000000004D9000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads