tofsee | 78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714

General

Target

JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe
Size

295KB
MD5

9030655a6f62f9a680bc9469372e55fe
SHA1

fd87e7b02a3bda1a7d3c783cf24f43def0437e5f
SHA256

78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714
SHA512

934a53e399665bffff8cf6a68fd139ed18d60c464fbc1969471a113897282353038f9daa01ccf6366b5846810d41b9fed11dec2b3d18129bc2048f3c6a4d546b
SSDEEP

6144:cQv1fCPcQsRDgQ6QucrF82jg6rhR3TN/x4ue:1dfC/igSucrFpgQhFNs

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

patmushta.info

parubey.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
760	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\xhczhnbw\ImagePath = "C:\\Windows\\SysWOW64\\xhczhnbw\\tmgscynm.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe

Deletes itself 1 IoCs

pid	Process
4928	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2340	tmgscynm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2340 set thread context of 4928	2340	tmgscynm.exe	104

Launches sc.exe 3 IoCs

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

pid	Process
3328	sc.exe
1568	sc.exe
4060	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 3 IoCs

pid	pid_target	Process	procid_target
4440	2892	WerFault.exe	84
3928	2892	WerFault.exe	84
4812	2340	WerFault.exe	95

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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmgscynm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.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

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2892 wrote to memory of 2528	2892	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	85
PID 2892 wrote to memory of 2528	2892	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	85
PID 2892 wrote to memory of 2528	2892	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	85
PID 2892 wrote to memory of 2204	2892	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	87
PID 2892 wrote to memory of 2204	2892	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	87
PID 2892 wrote to memory of 2204	2892	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	87
PID 2892 wrote to memory of 3328	2892	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	89
PID 2892 wrote to memory of 3328	2892	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	89
PID 2892 wrote to memory of 3328	2892	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	89
PID 2892 wrote to memory of 1568	2892	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	91
PID 2892 wrote to memory of 1568	2892	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	91
PID 2892 wrote to memory of 1568	2892	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	91
PID 2892 wrote to memory of 4060	2892	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	93
PID 2892 wrote to memory of 4060	2892	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	93
PID 2892 wrote to memory of 4060	2892	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	93
PID 2892 wrote to memory of 760	2892	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	96
PID 2892 wrote to memory of 760	2892	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	96
PID 2892 wrote to memory of 760	2892	JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe	96
PID 2340 wrote to memory of 4928	2340	tmgscynm.exe	104
PID 2340 wrote to memory of 4928	2340	tmgscynm.exe	104
PID 2340 wrote to memory of 4928	2340	tmgscynm.exe	104
PID 2340 wrote to memory of 4928	2340	tmgscynm.exe	104
PID 2340 wrote to memory of 4928	2340	tmgscynm.exe	104

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2892
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xhczhnbw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2528
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\tmgscynm.exe" C:\Windows\SysWOW64\xhczhnbw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2204
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xhczhnbw binPath= "C:\Windows\SysWOW64\xhczhnbw\tmgscynm.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3328
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xhczhnbw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1568
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xhczhnbw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4060
- 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:760
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2892 -s 656
  2⤵
  - Program crash
  PID:4440
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2892 -s 788
  2⤵
  - Program crash
  PID:3928

C:\Windows\SysWOW64\xhczhnbw\tmgscynm.exe
C:\Windows\SysWOW64\xhczhnbw\tmgscynm.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_78a529d7e685e6ae4c78c54e7638a607abc7684bf6b165b12c67d337047ee714.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2340
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4928
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 508
  2⤵
  - Program crash
  PID:4812

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2892 -ip 2892
1⤵
PID:3764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2892 -ip 2892
1⤵
PID:216

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2340 -ip 2340
1⤵
PID:2640

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\tmgscynm.exe

Filesize
12.9MB

MD5
b93044b8613ca55723394f3c5a31d120

SHA1
0cef156a8d7ebc94d1864878684668169520ba2a

SHA256
ef77c6b82cb3aa04d8036bac2f57219a7a7adc83318467c863d3f2e24495292e

SHA512
bf25a606bcd769a4b5e34da15b37f541f025dca3bb8dcd03accc0dd20e65f3a692ccdd4851dc9e85ebccd3f4d95474f50c16ab8d2c2a97d1edce67ed12b64742

Download Submit
memory/2340-8-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2340-15-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2892-1-0x0000000000690000-0x0000000000790000-memory.dmp

Filesize
1024KB

Download
memory/2892-2-0x00000000001D0000-0x00000000001E3000-memory.dmp

Filesize
76KB

Download
memory/2892-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2892-12-0x00000000001D0000-0x00000000001E3000-memory.dmp

Filesize
76KB

Download
memory/2892-13-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2892-11-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4928-9-0x00000000006E0000-0x00000000006F5000-memory.dmp

Filesize
84KB

Download
memory/4928-16-0x00000000006E0000-0x00000000006F5000-memory.dmp

Filesize
84KB

Download
memory/4928-17-0x00000000006E0000-0x00000000006F5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads