tofsee | ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea

General

Target

JaffaCakes118_ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea.exe
Size

12.3MB
MD5

36690b9a25ec3a105f7cceb9aef63723
SHA1

e1e9364f44edd11f9f5201f52e5d99510b05265e
SHA256

ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea
SHA512

d6b0f3935e12bed38f4a74c7db1742bd0a0dcd2147bf08473d05e3815f91e0b39ab9034539bc1171352cc0e2ff9d8bf59c0b2f178a754e889328c7021a18c538
SSDEEP

12288:h681A/PjFDOddddddddddddddddddddddddddddddddddddddddddddddddddddd:hRGP

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

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
1196	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\qfdfphvg\ImagePath = "C:\\Windows\\SysWOW64\\qfdfphvg\\schubwvk.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	JaffaCakes118_ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea.exe

Deletes itself 1 IoCs

pid	Process
1240	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1416	schubwvk.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1416 set thread context of 1240	1416	schubwvk.exe	95

Launches sc.exe 3 IoCs

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

pid	Process
5116	sc.exe
1916	sc.exe
4816	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 2 IoCs

pid	pid_target	Process	procid_target
2740	1416	WerFault.exe	94
1712	1292	WerFault.exe	82

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	schubwvk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea.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 1292 wrote to memory of 1032	1292	JaffaCakes118_ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea.exe	83
PID 1292 wrote to memory of 1032	1292	JaffaCakes118_ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea.exe	83
PID 1292 wrote to memory of 1032	1292	JaffaCakes118_ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea.exe	83
PID 1292 wrote to memory of 3448	1292	JaffaCakes118_ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea.exe	85
PID 1292 wrote to memory of 3448	1292	JaffaCakes118_ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea.exe	85
PID 1292 wrote to memory of 3448	1292	JaffaCakes118_ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea.exe	85
PID 1292 wrote to memory of 1916	1292	JaffaCakes118_ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea.exe	87
PID 1292 wrote to memory of 1916	1292	JaffaCakes118_ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea.exe	87
PID 1292 wrote to memory of 1916	1292	JaffaCakes118_ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea.exe	87
PID 1292 wrote to memory of 4816	1292	JaffaCakes118_ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea.exe	89
PID 1292 wrote to memory of 4816	1292	JaffaCakes118_ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea.exe	89
PID 1292 wrote to memory of 4816	1292	JaffaCakes118_ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea.exe	89
PID 1292 wrote to memory of 5116	1292	JaffaCakes118_ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea.exe	92
PID 1292 wrote to memory of 5116	1292	JaffaCakes118_ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea.exe	92
PID 1292 wrote to memory of 5116	1292	JaffaCakes118_ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea.exe	92
PID 1416 wrote to memory of 1240	1416	schubwvk.exe	95
PID 1416 wrote to memory of 1240	1416	schubwvk.exe	95
PID 1416 wrote to memory of 1240	1416	schubwvk.exe	95
PID 1416 wrote to memory of 1240	1416	schubwvk.exe	95
PID 1416 wrote to memory of 1240	1416	schubwvk.exe	95
PID 1292 wrote to memory of 1196	1292	JaffaCakes118_ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea.exe	97
PID 1292 wrote to memory of 1196	1292	JaffaCakes118_ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea.exe	97
PID 1292 wrote to memory of 1196	1292	JaffaCakes118_ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea.exe	97

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1292
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qfdfphvg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1032
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\schubwvk.exe" C:\Windows\SysWOW64\qfdfphvg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3448
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qfdfphvg binPath= "C:\Windows\SysWOW64\qfdfphvg\schubwvk.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1916
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qfdfphvg "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4816
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qfdfphvg
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5116
- 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:1196
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1292 -s 652
  2⤵
  - Program crash
  PID:1712

C:\Windows\SysWOW64\qfdfphvg\schubwvk.exe
C:\Windows\SysWOW64\qfdfphvg\schubwvk.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ebbca0fdcdd18ed934b57f0201a437b3ff88b9701027e5e96502cc67e34eb1ea.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1416
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1240
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1416 -s 560
  2⤵
  - Program crash
  PID:2740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1292 -ip 1292
1⤵
PID:668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1416 -ip 1416
1⤵
PID:2724

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\schubwvk.exe

Filesize
14.9MB

MD5
66c8c8fd6a1f565b2d6dedb2b54f5bce

SHA1
7ac745342355e1b6a391321c548de4cd5ae581e5

SHA256
4001eb22e5ea9aabb2137c376a0cb3b08a34e3c4b200e815a9da9f7632c499a9

SHA512
b164114caeecff367c3edab9ee197a2724622f96626ec1187d59dff310c26549804fe5d30e2a9f611a011821df55c35d73df2a3787c22b821fa41c450b5b775d

Download Submit
memory/1240-10-0x00000000008A0000-0x00000000008B5000-memory.dmp

Filesize
84KB

Download
memory/1240-17-0x00000000008A0000-0x00000000008B5000-memory.dmp

Filesize
84KB

Download
memory/1240-19-0x00000000008A0000-0x00000000008B5000-memory.dmp

Filesize
84KB

Download
memory/1240-18-0x00000000008A0000-0x00000000008B5000-memory.dmp

Filesize
84KB

Download
memory/1240-7-0x00000000008A0000-0x00000000008B5000-memory.dmp

Filesize
84KB

Download
memory/1292-14-0x00000000005E0000-0x00000000005ED000-memory.dmp

Filesize
52KB

Download
memory/1292-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1292-16-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1292-15-0x00000000005F0000-0x0000000000603000-memory.dmp

Filesize
76KB

Download
memory/1292-13-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1292-0-0x00000000005E0000-0x00000000005ED000-memory.dmp

Filesize
52KB

Download
memory/1292-1-0x00000000005F0000-0x0000000000603000-memory.dmp

Filesize
76KB

Download
memory/1416-12-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1416-6-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads