tofsee | c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c

General

Target

JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe
Size

178KB
MD5

57f3a7655c60ebabced5575c5fd57e3c
SHA1

200a560ed809660e113264a43b16608e5d494d2b
SHA256

c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c
SHA512

743815293bc53a22accbdcd5d22e426c594a2325aabd089de4734828e20d6c912ea25301ad7feb26ec9f659e0efd3681131859a260ea3a1cb9f5a272ceb0bd79
SSDEEP

3072:J7PGcGloEehA+H1Hg6X6FmANY/0SvMF84XLlm:DGWEehA+H1AeYY//kFDm

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
4908	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\lbcgzltg\ImagePath = "C:\\Windows\\SysWOW64\\lbcgzltg\\wlmsfqkj.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_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe

Deletes itself 1 IoCs

pid	Process
3764	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4028	wlmsfqkj.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4028 set thread context of 3764	4028	wlmsfqkj.exe	95

Launches sc.exe 3 IoCs

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

pid	Process
4768	sc.exe
4052	sc.exe
388	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
4884	4028	WerFault.exe	94
1776	1472	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wlmsfqkj.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1472 wrote to memory of 3056	1472	JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe	83
PID 1472 wrote to memory of 3056	1472	JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe	83
PID 1472 wrote to memory of 3056	1472	JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe	83
PID 1472 wrote to memory of 2448	1472	JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe	85
PID 1472 wrote to memory of 2448	1472	JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe	85
PID 1472 wrote to memory of 2448	1472	JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe	85
PID 1472 wrote to memory of 4768	1472	JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe	87
PID 1472 wrote to memory of 4768	1472	JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe	87
PID 1472 wrote to memory of 4768	1472	JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe	87
PID 1472 wrote to memory of 4052	1472	JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe	89
PID 1472 wrote to memory of 4052	1472	JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe	89
PID 1472 wrote to memory of 4052	1472	JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe	89
PID 1472 wrote to memory of 388	1472	JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe	92
PID 1472 wrote to memory of 388	1472	JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe	92
PID 1472 wrote to memory of 388	1472	JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe	92
PID 4028 wrote to memory of 3764	4028	wlmsfqkj.exe	95
PID 4028 wrote to memory of 3764	4028	wlmsfqkj.exe	95
PID 4028 wrote to memory of 3764	4028	wlmsfqkj.exe	95
PID 4028 wrote to memory of 3764	4028	wlmsfqkj.exe	95
PID 4028 wrote to memory of 3764	4028	wlmsfqkj.exe	95
PID 1472 wrote to memory of 4908	1472	JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe	96
PID 1472 wrote to memory of 4908	1472	JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe	96
PID 1472 wrote to memory of 4908	1472	JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe	96

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1472
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lbcgzltg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3056
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wlmsfqkj.exe" C:\Windows\SysWOW64\lbcgzltg\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2448
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lbcgzltg binPath= "C:\Windows\SysWOW64\lbcgzltg\wlmsfqkj.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4768
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lbcgzltg "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4052
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lbcgzltg
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:388
- 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:4908
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1472 -s 1036
  2⤵
  - Program crash
  PID:1776

C:\Windows\SysWOW64\lbcgzltg\wlmsfqkj.exe
C:\Windows\SysWOW64\lbcgzltg\wlmsfqkj.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c3a67604df3acd172fca28b9f83e482bd2c21f217f28a545f3f6bc4ad7f30a8c.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4028
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3764
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 524
  2⤵
  - Program crash
  PID:4884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1472 -ip 1472
1⤵
PID:2688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4028 -ip 4028
1⤵
PID:2072

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
10.1MB

MD5
6f8ed6b6e6ac6e81d8b2ba83fc7b919d

SHA1
c87c3d2fcad08b0957eecb45d326058726064e2b

SHA256
2bf620cd46a6124538d712608eb34e0d9ba29b11959017504bf6bdd69aaa23c5

SHA512
b86ab8713b8c4206a1b432fecc5f78cf172095f2a31ab195f5ca8427b67961d844a98f550e7a351b4949fe55e04af107efbed118fc4663b596ed1de3012dc3bb

Download Submit
memory/1472-1-0x00000000005B0000-0x00000000005C3000-memory.dmp

Filesize
76KB

Download
memory/1472-0-0x00000000005A0000-0x00000000005AD000-memory.dmp

Filesize
52KB

Download
memory/1472-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1472-15-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/1472-16-0x00000000005B0000-0x00000000005C3000-memory.dmp

Filesize
76KB

Download
memory/1472-17-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3764-12-0x0000000000680000-0x0000000000695000-memory.dmp

Filesize
84KB

Download
memory/3764-9-0x0000000000680000-0x0000000000695000-memory.dmp

Filesize
84KB

Download
memory/3764-18-0x0000000000680000-0x0000000000695000-memory.dmp

Filesize
84KB

Download
memory/3764-19-0x0000000000680000-0x0000000000695000-memory.dmp

Filesize
84KB

Download
memory/3764-20-0x0000000000680000-0x0000000000695000-memory.dmp

Filesize
84KB

Download
memory/4028-14-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4028-8-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4028-6-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download
memory/4028-7-0x0000000000400000-0x0000000000434000-memory.dmp

Filesize
208KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads