tofsee | fe44ad191da19b523ade85ef88425e5ba39e2965e9decbb41bade4bf8bf31742

General

Target

96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe
Size

13.8MB
MD5

96d4ea2c2a2c7484a199246c3cb8db41
SHA1

5c0f0208252b1a02b7ea14cd87b50def1e705da4
SHA256

fe44ad191da19b523ade85ef88425e5ba39e2965e9decbb41bade4bf8bf31742
SHA512

d923c175e3e504e13f5bb78065b561c84e974fad8c1a2888566b114c7e2fe55a1fef0bd20ded2ffdd530e994b63fbc983cf90731c53ced9ce05c04d63c32f8f2
SSDEEP

6144:/JuDszifRNFwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwT:hubf7

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee
Tofsee family
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\erdfgbod = "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

2368 netsh.exe

pid	process
2368	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\erdfgbod\ImagePath = "C:\\Windows\\SysWOW64\\erdfgbod\\wmslmukt.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2736 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

wmslmukt.exe

pid process

2720 wmslmukt.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

wmslmukt.exe

description pid process target process

PID 2720 set thread context of 2736 2720 wmslmukt.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

828 sc.exe
2892 sc.exe
2880 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2736	svchost.exe

pid	process
2720	wmslmukt.exe

description	pid	process	target process
PID 2720 set thread context of 2736	2720	wmslmukt.exe	svchost.exe

pid	process
828	sc.exe
2892	sc.exe
2880	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:

cmd.exesc.exesc.exenetsh.exewmslmukt.exe96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exesc.exesvchost.execmd.exe

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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wmslmukt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exewmslmukt.exe

description	pid	process	target process
PID 1268 wrote to memory of 1248	1268	96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe	cmd.exe
PID 1268 wrote to memory of 1248	1268	96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe	cmd.exe
PID 1268 wrote to memory of 1248	1268	96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe	cmd.exe
PID 1268 wrote to memory of 1248	1268	96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe	cmd.exe
PID 1268 wrote to memory of 2256	1268	96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe	cmd.exe
PID 1268 wrote to memory of 2256	1268	96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe	cmd.exe
PID 1268 wrote to memory of 2256	1268	96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe	cmd.exe
PID 1268 wrote to memory of 2256	1268	96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe	cmd.exe
PID 1268 wrote to memory of 828	1268	96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe	sc.exe
PID 1268 wrote to memory of 828	1268	96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe	sc.exe
PID 1268 wrote to memory of 828	1268	96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe	sc.exe
PID 1268 wrote to memory of 828	1268	96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe	sc.exe
PID 1268 wrote to memory of 2892	1268	96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe	sc.exe
PID 1268 wrote to memory of 2892	1268	96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe	sc.exe
PID 1268 wrote to memory of 2892	1268	96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe	sc.exe
PID 1268 wrote to memory of 2892	1268	96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe	sc.exe
PID 1268 wrote to memory of 2880	1268	96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe	sc.exe
PID 1268 wrote to memory of 2880	1268	96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe	sc.exe
PID 1268 wrote to memory of 2880	1268	96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe	sc.exe
PID 1268 wrote to memory of 2880	1268	96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe	sc.exe
PID 1268 wrote to memory of 2368	1268	96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe	netsh.exe
PID 1268 wrote to memory of 2368	1268	96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe	netsh.exe
PID 1268 wrote to memory of 2368	1268	96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe	netsh.exe
PID 1268 wrote to memory of 2368	1268	96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe	netsh.exe
PID 2720 wrote to memory of 2736	2720	wmslmukt.exe	svchost.exe
PID 2720 wrote to memory of 2736	2720	wmslmukt.exe	svchost.exe
PID 2720 wrote to memory of 2736	2720	wmslmukt.exe	svchost.exe
PID 2720 wrote to memory of 2736	2720	wmslmukt.exe	svchost.exe
PID 2720 wrote to memory of 2736	2720	wmslmukt.exe	svchost.exe
PID 2720 wrote to memory of 2736	2720	wmslmukt.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1268
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\erdfgbod\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1248
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\wmslmukt.exe" C:\Windows\SysWOW64\erdfgbod\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2256
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create erdfgbod binPath= "C:\Windows\SysWOW64\erdfgbod\wmslmukt.exe /d\"C:\Users\Admin\AppData\Local\Temp\96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:828
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description erdfgbod "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2892
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start erdfgbod
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2880
- 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:2368

C:\Windows\SysWOW64\erdfgbod\wmslmukt.exe
C:\Windows\SysWOW64\erdfgbod\wmslmukt.exe /d"C:\Users\Admin\AppData\Local\Temp\96d4ea2c2a2c7484a199246c3cb8db41_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2720
- 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:2736

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\wmslmukt.exe

Filesize
12.2MB

MD5
bd29d53239be9ad96dca68dc6e34828c

SHA1
fbe9dba6abaecc45db4c0fee16475509df723a4c

SHA256
d68751ce2baf2aa19e6d9d381d850cb389828c4dbb65faea673783c7be5bec97

SHA512
a2cdfed2b3d57ca89ac88ae5d01c922720e641dc1c503facb485d718a2c5b4b5369f259c3a215dfa37b5f70bf499875ea7dbe7e4dc1fccb0a38961e1a0797a29

Download Submit
memory/1268-1-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/1268-2-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/1268-0-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/1268-5-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2720-7-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2720-12-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/2736-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2736-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2736-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2736-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2736-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads