tofsee | bfd52b9121ffd76cdc7eeb2cf9fa1f229700e0fd5725634390c7f2c8c572cf70

General

Target

6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe
Size

11.8MB
MD5

6f42522b5beeb70d31d19fdf9854a81a
SHA1

e03a1240c6cb12b9131fb67ba7653afa743e401e
SHA256

bfd52b9121ffd76cdc7eeb2cf9fa1f229700e0fd5725634390c7f2c8c572cf70
SHA512

1f643ea0b547f4bd6a6cc44f0c32d1ecfadd2559d563b15c99a2279a1e68f98ce91b6f0a400330d086c24ae2f8f19a63f4f1bc3366edf412c332cf51ea1b5ed4
SSDEEP

12288:oUR4+0lGrUPDHQahTzrdCcrFy55555555555555555555555555555555555555J:ol+PrmrXrd1p

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
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
5088	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\ujogiqfi\ImagePath = "C:\\Windows\\SysWOW64\\ujogiqfi\\ehaigiqa.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2676	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2984	ehaigiqa.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2984 set thread context of 2676	2984	ehaigiqa.exe	103

Launches sc.exe 3 IoCs

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

pid	Process
1724	sc.exe
2648	sc.exe
1856	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
1816	5064	WerFault.exe	83
3196	2984	WerFault.exe	97

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	sc.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ehaigiqa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 5064 wrote to memory of 1160	5064	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	87
PID 5064 wrote to memory of 1160	5064	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	87
PID 5064 wrote to memory of 1160	5064	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	87
PID 5064 wrote to memory of 5100	5064	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	89
PID 5064 wrote to memory of 5100	5064	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	89
PID 5064 wrote to memory of 5100	5064	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	89
PID 5064 wrote to memory of 1856	5064	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	91
PID 5064 wrote to memory of 1856	5064	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	91
PID 5064 wrote to memory of 1856	5064	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	91
PID 5064 wrote to memory of 1724	5064	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	93
PID 5064 wrote to memory of 1724	5064	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	93
PID 5064 wrote to memory of 1724	5064	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	93
PID 5064 wrote to memory of 2648	5064	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	95
PID 5064 wrote to memory of 2648	5064	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	95
PID 5064 wrote to memory of 2648	5064	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	95
PID 5064 wrote to memory of 5088	5064	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	98
PID 5064 wrote to memory of 5088	5064	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	98
PID 5064 wrote to memory of 5088	5064	6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe	98
PID 2984 wrote to memory of 2676	2984	ehaigiqa.exe	103
PID 2984 wrote to memory of 2676	2984	ehaigiqa.exe	103
PID 2984 wrote to memory of 2676	2984	ehaigiqa.exe	103
PID 2984 wrote to memory of 2676	2984	ehaigiqa.exe	103
PID 2984 wrote to memory of 2676	2984	ehaigiqa.exe	103

C:\Users\Admin\AppData\Local\Temp\6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5064
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ujogiqfi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1160
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ehaigiqa.exe" C:\Windows\SysWOW64\ujogiqfi\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5100
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ujogiqfi binPath= "C:\Windows\SysWOW64\ujogiqfi\ehaigiqa.exe /d\"C:\Users\Admin\AppData\Local\Temp\6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1856
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ujogiqfi "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1724
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ujogiqfi
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2648
- 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:5088
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5064 -s 1172
  2⤵
  - Program crash
  PID:1816

C:\Windows\SysWOW64\ujogiqfi\ehaigiqa.exe
C:\Windows\SysWOW64\ujogiqfi\ehaigiqa.exe /d"C:\Users\Admin\AppData\Local\Temp\6f42522b5beeb70d31d19fdf9854a81a_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2676
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2984 -s 512
  2⤵
  - Program crash
  PID:3196

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 5064 -ip 5064
1⤵
PID:4696

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2984 -ip 2984
1⤵
PID:932

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\ehaigiqa.exe

Filesize
14.1MB

MD5
4e5c98f61501dbddbe037fdb4f884e8f

SHA1
34a7e4588d52c2093fb1ea727df14f2cfe81c612

SHA256
27d0beb45dedeb8858a40e071647c04c42bf75973baca34e65cfb7c24818eaa2

SHA512
79d07ab6b726d34790adaff35a50825c903e5e6f9b116d96a2df7b6057106a0aa7e49698a51724e53107afc753cc1c08430bf8bae5e03ca9b5231fd468ee9766

Download Submit
memory/2676-13-0x0000000000740000-0x0000000000755000-memory.dmp

Filesize
84KB

Download
memory/2676-15-0x0000000000740000-0x0000000000755000-memory.dmp

Filesize
84KB

Download
memory/2676-16-0x0000000000740000-0x0000000000755000-memory.dmp

Filesize
84KB

Download
memory/2984-8-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2984-9-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2984-17-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/5064-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/5064-1-0x00000000004A0000-0x00000000005A0000-memory.dmp

Filesize
1024KB

Download
memory/5064-12-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/5064-11-0x00000000005A0000-0x00000000005B3000-memory.dmp

Filesize
76KB

Download
memory/5064-10-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/5064-2-0x00000000005A0000-0x00000000005B3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads