tofsee | 5aeb6defea1c4f76eead2ea4491eddae43eb4cf08e5324c1eeb7ecfc2a98f7da

General

Target

da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe
Size

12.6MB
MD5

da4efa4dc0e8934cd7c4403bde140eb9
SHA1

f5af5f0393a2a75691da8831486d6bd3520dda66
SHA256

5aeb6defea1c4f76eead2ea4491eddae43eb4cf08e5324c1eeb7ecfc2a98f7da
SHA512

0fdad19c9bbe52715c265ba5dd0f2d5171a37cb1f573a66eed52c9fdde3aaef0523471b6579a9fbf00b925566d306aa7da9a2846dbca2d62bfc02863e7d21216
SSDEEP

98304:EuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuK:

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\drcbpkhc = "0"	svchost.exe

Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

2848 netsh.exe

pid	process
2848	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\drcbpkhc\ImagePath = "C:\\Windows\\SysWOW64\\drcbpkhc\\kisqqgpf.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2248 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

kisqqgpf.exe

pid process

3060 kisqqgpf.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

kisqqgpf.exe

description pid process target process

PID 3060 set thread context of 2248 3060 kisqqgpf.exe svchost.exe
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exe

pid process

1752 sc.exe
2696 sc.exe
2964 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2248	svchost.exe

pid	process
3060	kisqqgpf.exe

description	pid	process	target process
PID 3060 set thread context of 2248	3060	kisqqgpf.exe	svchost.exe

pid	process
1752	sc.exe
2696	sc.exe
2964	sc.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

Processes:

netsh.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 9 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:

da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.execmd.exesc.exesc.exekisqqgpf.execmd.exesc.exenetsh.exesvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kisqqgpf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exekisqqgpf.exe

description	pid	process	target process
PID 2984 wrote to memory of 2560	2984	da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe	cmd.exe
PID 2984 wrote to memory of 2560	2984	da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe	cmd.exe
PID 2984 wrote to memory of 2560	2984	da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe	cmd.exe
PID 2984 wrote to memory of 2560	2984	da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe	cmd.exe
PID 2984 wrote to memory of 2800	2984	da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe	cmd.exe
PID 2984 wrote to memory of 2800	2984	da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe	cmd.exe
PID 2984 wrote to memory of 2800	2984	da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe	cmd.exe
PID 2984 wrote to memory of 2800	2984	da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe	cmd.exe
PID 2984 wrote to memory of 2964	2984	da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe	sc.exe
PID 2984 wrote to memory of 2964	2984	da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe	sc.exe
PID 2984 wrote to memory of 2964	2984	da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe	sc.exe
PID 2984 wrote to memory of 2964	2984	da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe	sc.exe
PID 2984 wrote to memory of 1752	2984	da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe	sc.exe
PID 2984 wrote to memory of 1752	2984	da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe	sc.exe
PID 2984 wrote to memory of 1752	2984	da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe	sc.exe
PID 2984 wrote to memory of 1752	2984	da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe	sc.exe
PID 2984 wrote to memory of 2696	2984	da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe	sc.exe
PID 2984 wrote to memory of 2696	2984	da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe	sc.exe
PID 2984 wrote to memory of 2696	2984	da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe	sc.exe
PID 2984 wrote to memory of 2696	2984	da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe	sc.exe
PID 2984 wrote to memory of 2848	2984	da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe	netsh.exe
PID 2984 wrote to memory of 2848	2984	da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe	netsh.exe
PID 2984 wrote to memory of 2848	2984	da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe	netsh.exe
PID 2984 wrote to memory of 2848	2984	da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe	netsh.exe
PID 3060 wrote to memory of 2248	3060	kisqqgpf.exe	svchost.exe
PID 3060 wrote to memory of 2248	3060	kisqqgpf.exe	svchost.exe
PID 3060 wrote to memory of 2248	3060	kisqqgpf.exe	svchost.exe
PID 3060 wrote to memory of 2248	3060	kisqqgpf.exe	svchost.exe
PID 3060 wrote to memory of 2248	3060	kisqqgpf.exe	svchost.exe
PID 3060 wrote to memory of 2248	3060	kisqqgpf.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\drcbpkhc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2560
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kisqqgpf.exe" C:\Windows\SysWOW64\drcbpkhc\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2800
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create drcbpkhc binPath= "C:\Windows\SysWOW64\drcbpkhc\kisqqgpf.exe /d\"C:\Users\Admin\AppData\Local\Temp\da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2964
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description drcbpkhc "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1752
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start drcbpkhc
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2696
- C:\Windows\SysWOW64\netsh.exe
  "C:\Windows\System32\netsh.exe" advfirewall firewall add rule name="Host-process for services of Windows" dir=in action=allow program="C:\Windows\SysWOW64\svchost.exe" enable=yes>nul
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:2848

C:\Windows\SysWOW64\drcbpkhc\kisqqgpf.exe
C:\Windows\SysWOW64\drcbpkhc\kisqqgpf.exe /d"C:\Users\Admin\AppData\Local\Temp\da4efa4dc0e8934cd7c4403bde140eb9_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3060
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2248

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify System Firewall

1

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\kisqqgpf.exe

Filesize
10.7MB

MD5
867f3205a79ed789229dd2d328db9959

SHA1
14798928932fcb910645c48cca730eba89c3829b

SHA256
fa5e65bfbdc34cabccb25c7a092eb42ea01f69798ee6baf6e72a7c3d5553da74

SHA512
7cfc286d9808050d955b43c87b4d287f7874d18e884c134935e77f20f2e669d3123ad449a1efb5f14764e86fc6a669d1b8cec5449c0ef6f74ef6a019bb496764

Download Submit
memory/2248-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2248-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2248-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2248-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2248-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2984-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2984-2-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2984-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2984-9-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2984-8-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/2984-1-0x0000000000590000-0x0000000000690000-memory.dmp

Filesize
1024KB

Download
memory/3060-16-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads