tofsee | 3cac8d9e28a92e9d0d5b598b7f5f204b770ed4c05c12dd62e320bf480fc67ea1

General

Target

JaffaCakes118_3cac8d9e28a92e9d0d5b598b7f5f204b770ed4c05c12dd62e320bf480fc67ea1.exe
Size

237KB
MD5

7a1a48ccd69108c3d310aee449113b16
SHA1

c60353c5f012f5203f3d3a13bf10ef98acb34bc0
SHA256

3cac8d9e28a92e9d0d5b598b7f5f204b770ed4c05c12dd62e320bf480fc67ea1
SHA512

2d36b02981ae72635728f4cc95ce2e47649ae9b98ce6c2e407eb00f6745dabacfa3df5dc5f398a3f73c7038ac17b6a2d80ee3486d1881d2ae850f090a7423fd1
SSDEEP

6144:K4oK+W6n72e2Xr7OoNH9m8Pr/lJQlfZJqK:KBSY72e2XnNH9mq/l+b

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
Tofsee family
tofsee
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

pid	Process
3076	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\tinfqdmq\ImagePath = "C:\\Windows\\SysWOW64\\tinfqdmq\\jzugamqi.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	JaffaCakes118_3cac8d9e28a92e9d0d5b598b7f5f204b770ed4c05c12dd62e320bf480fc67ea1.exe

Deletes itself 1 IoCs

pid	Process
4496	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1712	jzugamqi.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1712 set thread context of 4496	1712	jzugamqi.exe	105

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
1212	sc.exe
1168	sc.exe
4452	sc.exe

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

System Information Discovery
T1082

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

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

Program crash 6 IoCs

pid	pid_target	Process	procid_target
1900	1932	WerFault.exe	82
3544	1932	WerFault.exe	82
2248	1932	WerFault.exe	82
3892	1712	WerFault.exe	94
2596	1712	WerFault.exe	94
5096	1712	WerFault.exe	94

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

description	ioc	Process
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	jzugamqi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_3cac8d9e28a92e9d0d5b598b7f5f204b770ed4c05c12dd62e320bf480fc67ea1.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	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1932 wrote to memory of 1456	1932	JaffaCakes118_3cac8d9e28a92e9d0d5b598b7f5f204b770ed4c05c12dd62e320bf480fc67ea1.exe	83
PID 1932 wrote to memory of 1456	1932	JaffaCakes118_3cac8d9e28a92e9d0d5b598b7f5f204b770ed4c05c12dd62e320bf480fc67ea1.exe	83
PID 1932 wrote to memory of 1456	1932	JaffaCakes118_3cac8d9e28a92e9d0d5b598b7f5f204b770ed4c05c12dd62e320bf480fc67ea1.exe	83
PID 1932 wrote to memory of 3108	1932	JaffaCakes118_3cac8d9e28a92e9d0d5b598b7f5f204b770ed4c05c12dd62e320bf480fc67ea1.exe	85
PID 1932 wrote to memory of 3108	1932	JaffaCakes118_3cac8d9e28a92e9d0d5b598b7f5f204b770ed4c05c12dd62e320bf480fc67ea1.exe	85
PID 1932 wrote to memory of 3108	1932	JaffaCakes118_3cac8d9e28a92e9d0d5b598b7f5f204b770ed4c05c12dd62e320bf480fc67ea1.exe	85
PID 1932 wrote to memory of 1168	1932	JaffaCakes118_3cac8d9e28a92e9d0d5b598b7f5f204b770ed4c05c12dd62e320bf480fc67ea1.exe	87
PID 1932 wrote to memory of 1168	1932	JaffaCakes118_3cac8d9e28a92e9d0d5b598b7f5f204b770ed4c05c12dd62e320bf480fc67ea1.exe	87
PID 1932 wrote to memory of 1168	1932	JaffaCakes118_3cac8d9e28a92e9d0d5b598b7f5f204b770ed4c05c12dd62e320bf480fc67ea1.exe	87
PID 1932 wrote to memory of 4452	1932	JaffaCakes118_3cac8d9e28a92e9d0d5b598b7f5f204b770ed4c05c12dd62e320bf480fc67ea1.exe	90
PID 1932 wrote to memory of 4452	1932	JaffaCakes118_3cac8d9e28a92e9d0d5b598b7f5f204b770ed4c05c12dd62e320bf480fc67ea1.exe	90
PID 1932 wrote to memory of 4452	1932	JaffaCakes118_3cac8d9e28a92e9d0d5b598b7f5f204b770ed4c05c12dd62e320bf480fc67ea1.exe	90
PID 1932 wrote to memory of 1212	1932	JaffaCakes118_3cac8d9e28a92e9d0d5b598b7f5f204b770ed4c05c12dd62e320bf480fc67ea1.exe	92
PID 1932 wrote to memory of 1212	1932	JaffaCakes118_3cac8d9e28a92e9d0d5b598b7f5f204b770ed4c05c12dd62e320bf480fc67ea1.exe	92
PID 1932 wrote to memory of 1212	1932	JaffaCakes118_3cac8d9e28a92e9d0d5b598b7f5f204b770ed4c05c12dd62e320bf480fc67ea1.exe	92
PID 1932 wrote to memory of 3076	1932	JaffaCakes118_3cac8d9e28a92e9d0d5b598b7f5f204b770ed4c05c12dd62e320bf480fc67ea1.exe	95
PID 1932 wrote to memory of 3076	1932	JaffaCakes118_3cac8d9e28a92e9d0d5b598b7f5f204b770ed4c05c12dd62e320bf480fc67ea1.exe	95
PID 1932 wrote to memory of 3076	1932	JaffaCakes118_3cac8d9e28a92e9d0d5b598b7f5f204b770ed4c05c12dd62e320bf480fc67ea1.exe	95
PID 1712 wrote to memory of 4496	1712	jzugamqi.exe	105
PID 1712 wrote to memory of 4496	1712	jzugamqi.exe	105
PID 1712 wrote to memory of 4496	1712	jzugamqi.exe	105
PID 1712 wrote to memory of 4496	1712	jzugamqi.exe	105
PID 1712 wrote to memory of 4496	1712	jzugamqi.exe	105

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3cac8d9e28a92e9d0d5b598b7f5f204b770ed4c05c12dd62e320bf480fc67ea1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3cac8d9e28a92e9d0d5b598b7f5f204b770ed4c05c12dd62e320bf480fc67ea1.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1932
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tinfqdmq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1456
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jzugamqi.exe" C:\Windows\SysWOW64\tinfqdmq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3108
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create tinfqdmq binPath= "C:\Windows\SysWOW64\tinfqdmq\jzugamqi.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3cac8d9e28a92e9d0d5b598b7f5f204b770ed4c05c12dd62e320bf480fc67ea1.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1168
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description tinfqdmq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4452
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start tinfqdmq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1212
- 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:3076
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1932 -s 1048
  2⤵
  - Program crash
  PID:1900
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1932 -s 1276
  2⤵
  - Program crash
  PID:3544
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1932 -s 1288
  2⤵
  - Program crash
  PID:2248

C:\Windows\SysWOW64\tinfqdmq\jzugamqi.exe
C:\Windows\SysWOW64\tinfqdmq\jzugamqi.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3cac8d9e28a92e9d0d5b598b7f5f204b770ed4c05c12dd62e320bf480fc67ea1.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1712
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4496
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1712 -s 516
  2⤵
  - Program crash
  PID:3892
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1712 -s 524
  2⤵
  - Program crash
  PID:2596
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1712 -s 536
  2⤵
  - Program crash
  PID:5096

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 1932 -ip 1932
1⤵
PID:3028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1932 -ip 1932
1⤵
PID:1004

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1932 -ip 1932
1⤵
PID:2480

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 1712 -ip 1712
1⤵
PID:3688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 176 -p 1712 -ip 1712
1⤵
PID:1556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1712 -ip 1712
1⤵
PID:1512

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

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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\jzugamqi.exe

Filesize
13.9MB

MD5
e4cfe25605f7ccf066000316b6cca5a8

SHA1
5b5dfd9ec49347494ad12e9ef7a7076110d4d047

SHA256
e79a5a33e24a72c3ea23ab952864ebeaa311744bfe673e289c26c8737d700a9e

SHA512
fe59a9a0c451aa3acb2ab1b86865aa39bec0fd7e87b7b5af8f12b8ceec271120adfcb7e4ea11d16155323645ed8e84691470bcbd3d601eb882b2f9b31e2c9486

Download Submit
memory/1712-8-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/1712-12-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/1712-9-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/1932-13-0x0000000000400000-0x000000000086B000-memory.dmp

Filesize
4.4MB

Download
memory/1932-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1932-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1932-14-0x00000000008A0000-0x00000000008B3000-memory.dmp

Filesize
76KB

Download
memory/1932-1-0x00000000009D0000-0x0000000000AD0000-memory.dmp

Filesize
1024KB

Download
memory/1932-2-0x00000000008A0000-0x00000000008B3000-memory.dmp

Filesize
76KB

Download
memory/4496-10-0x0000000000F80000-0x0000000000F95000-memory.dmp

Filesize
84KB

Download
memory/4496-17-0x0000000000F80000-0x0000000000F95000-memory.dmp

Filesize
84KB

Download
memory/4496-18-0x0000000000F80000-0x0000000000F95000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads