tofsee | 7eb1eb8b4e1456be837edf6d08e94bd7eb01c55b4dccbd36af5437e2ff0e18d5

General

Target

JaffaCakes118_7eb1eb8b4e1456be837edf6d08e94bd7eb01c55b4dccbd36af5437e2ff0e18d5.exe
Size

157KB
MD5

f4ee0f9e8df042e8b15e4a76f32f192c
SHA1

febf45838fa43fbd92a8f70f4aa6a2474b109299
SHA256

7eb1eb8b4e1456be837edf6d08e94bd7eb01c55b4dccbd36af5437e2ff0e18d5
SHA512

8484b9fbf80954c88a84d171b164d5c5b6bf5aa73d89aaaf70d145266f9894d890dd133ffc931161d465dd61df239b7fd417b56e582cae79786fc67630eb31ea
SSDEEP

1536:1IMFilYA4z/FeSs9UC34tWAvBnjraPnsWOw9ZCqLvg8fL30bw5A9jOYM6otnkEM:qSxItjItvwjOqCqLv138jWodRDvE

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
1040	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\akvaxlon\ImagePath = "C:\\Windows\\SysWOW64\\akvaxlon\\havhlal.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	JaffaCakes118_7eb1eb8b4e1456be837edf6d08e94bd7eb01c55b4dccbd36af5437e2ff0e18d5.exe

Deletes itself 1 IoCs

pid	Process
3760	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4744	havhlal.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4744 set thread context of 3760	4744	havhlal.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
1352	sc.exe
4420	sc.exe
1584	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
3964	5056	WerFault.exe	81
4272	4744	WerFault.exe	92

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	JaffaCakes118_7eb1eb8b4e1456be837edf6d08e94bd7eb01c55b4dccbd36af5437e2ff0e18d5.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	havhlal.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 3368	5056	JaffaCakes118_7eb1eb8b4e1456be837edf6d08e94bd7eb01c55b4dccbd36af5437e2ff0e18d5.exe	82
PID 5056 wrote to memory of 3368	5056	JaffaCakes118_7eb1eb8b4e1456be837edf6d08e94bd7eb01c55b4dccbd36af5437e2ff0e18d5.exe	82
PID 5056 wrote to memory of 3368	5056	JaffaCakes118_7eb1eb8b4e1456be837edf6d08e94bd7eb01c55b4dccbd36af5437e2ff0e18d5.exe	82
PID 5056 wrote to memory of 4820	5056	JaffaCakes118_7eb1eb8b4e1456be837edf6d08e94bd7eb01c55b4dccbd36af5437e2ff0e18d5.exe	84
PID 5056 wrote to memory of 4820	5056	JaffaCakes118_7eb1eb8b4e1456be837edf6d08e94bd7eb01c55b4dccbd36af5437e2ff0e18d5.exe	84
PID 5056 wrote to memory of 4820	5056	JaffaCakes118_7eb1eb8b4e1456be837edf6d08e94bd7eb01c55b4dccbd36af5437e2ff0e18d5.exe	84
PID 5056 wrote to memory of 1352	5056	JaffaCakes118_7eb1eb8b4e1456be837edf6d08e94bd7eb01c55b4dccbd36af5437e2ff0e18d5.exe	86
PID 5056 wrote to memory of 1352	5056	JaffaCakes118_7eb1eb8b4e1456be837edf6d08e94bd7eb01c55b4dccbd36af5437e2ff0e18d5.exe	86
PID 5056 wrote to memory of 1352	5056	JaffaCakes118_7eb1eb8b4e1456be837edf6d08e94bd7eb01c55b4dccbd36af5437e2ff0e18d5.exe	86
PID 5056 wrote to memory of 4420	5056	JaffaCakes118_7eb1eb8b4e1456be837edf6d08e94bd7eb01c55b4dccbd36af5437e2ff0e18d5.exe	88
PID 5056 wrote to memory of 4420	5056	JaffaCakes118_7eb1eb8b4e1456be837edf6d08e94bd7eb01c55b4dccbd36af5437e2ff0e18d5.exe	88
PID 5056 wrote to memory of 4420	5056	JaffaCakes118_7eb1eb8b4e1456be837edf6d08e94bd7eb01c55b4dccbd36af5437e2ff0e18d5.exe	88
PID 5056 wrote to memory of 1584	5056	JaffaCakes118_7eb1eb8b4e1456be837edf6d08e94bd7eb01c55b4dccbd36af5437e2ff0e18d5.exe	90
PID 5056 wrote to memory of 1584	5056	JaffaCakes118_7eb1eb8b4e1456be837edf6d08e94bd7eb01c55b4dccbd36af5437e2ff0e18d5.exe	90
PID 5056 wrote to memory of 1584	5056	JaffaCakes118_7eb1eb8b4e1456be837edf6d08e94bd7eb01c55b4dccbd36af5437e2ff0e18d5.exe	90
PID 5056 wrote to memory of 1040	5056	JaffaCakes118_7eb1eb8b4e1456be837edf6d08e94bd7eb01c55b4dccbd36af5437e2ff0e18d5.exe	93
PID 5056 wrote to memory of 1040	5056	JaffaCakes118_7eb1eb8b4e1456be837edf6d08e94bd7eb01c55b4dccbd36af5437e2ff0e18d5.exe	93
PID 5056 wrote to memory of 1040	5056	JaffaCakes118_7eb1eb8b4e1456be837edf6d08e94bd7eb01c55b4dccbd36af5437e2ff0e18d5.exe	93
PID 4744 wrote to memory of 3760	4744	havhlal.exe	98
PID 4744 wrote to memory of 3760	4744	havhlal.exe	98
PID 4744 wrote to memory of 3760	4744	havhlal.exe	98
PID 4744 wrote to memory of 3760	4744	havhlal.exe	98
PID 4744 wrote to memory of 3760	4744	havhlal.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7eb1eb8b4e1456be837edf6d08e94bd7eb01c55b4dccbd36af5437e2ff0e18d5.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7eb1eb8b4e1456be837edf6d08e94bd7eb01c55b4dccbd36af5437e2ff0e18d5.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5056
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\akvaxlon\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3368
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\havhlal.exe" C:\Windows\SysWOW64\akvaxlon\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4820
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create akvaxlon binPath= "C:\Windows\SysWOW64\akvaxlon\havhlal.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7eb1eb8b4e1456be837edf6d08e94bd7eb01c55b4dccbd36af5437e2ff0e18d5.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1352
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description akvaxlon "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4420
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start akvaxlon
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1584
- 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:1040
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 5056 -s 676
  2⤵
  - Program crash
  PID:3964

C:\Windows\SysWOW64\akvaxlon\havhlal.exe
C:\Windows\SysWOW64\akvaxlon\havhlal.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7eb1eb8b4e1456be837edf6d08e94bd7eb01c55b4dccbd36af5437e2ff0e18d5.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4744
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3760
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4744 -s 508
  2⤵
  - Program crash
  PID:4272

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 5056 -ip 5056
1⤵
PID:3584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 4744 -ip 4744
1⤵
PID:940

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\havhlal.exe

Filesize
14.1MB

MD5
0ee704cfdcb99d0848dcae086b79689b

SHA1
a1ab0ec1065e23ee1fc97f21da3a41c8d993870f

SHA256
4d8acfacd35f282e440b8483ab41e1973d06c06b71e2f22b5e5d1479a775a761

SHA512
b6b9bcef3af7ac80a981d36180190f16024062ec1f00e81ba0609652a2e4da3230177f52f3606c949ce397e70debc4fd86d42b16929efdfa40a6607f74a55f1d

Download Submit
memory/3760-13-0x0000000000BE0000-0x0000000000BF5000-memory.dmp

Filesize
84KB

Download
memory/3760-16-0x0000000000BE0000-0x0000000000BF5000-memory.dmp

Filesize
84KB

Download
memory/3760-15-0x0000000000BE0000-0x0000000000BF5000-memory.dmp

Filesize
84KB

Download
memory/4744-10-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4744-11-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4744-12-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/4744-17-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/5056-0-0x00000000007E0000-0x00000000007ED000-memory.dmp

Filesize
52KB

Download
memory/5056-8-0x00000000021A0000-0x00000000021B3000-memory.dmp

Filesize
76KB

Download
memory/5056-7-0x00000000007E0000-0x00000000007ED000-memory.dmp

Filesize
52KB

Download
memory/5056-6-0x0000000000400000-0x0000000000432000-memory.dmp

Filesize
200KB

Download
memory/5056-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/5056-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/5056-1-0x00000000021A0000-0x00000000021B3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads