tofsee | 07806de6097678888d093bb67843be36c53f8c88af87e78ba3b936aca6b79e74

General

Target

9119f2bf0f3d575dce916735bfee6d40_JaffaCakes118.exe
Size

10.9MB
MD5

9119f2bf0f3d575dce916735bfee6d40
SHA1

3df2a3dbea0fac124dcc12c51adab22e90587717
SHA256

07806de6097678888d093bb67843be36c53f8c88af87e78ba3b936aca6b79e74
SHA512

b7030e213cdeac5945da8f2bc5cd3ddb6b4b6bd244b07540cbe78ce7545e5630e1e554cabdad5f63ff752e8e6994367c35de1411fcdc2b8a40b789fa9122f1d0
SSDEEP

49152:XwAKFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFV:Xw

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
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
3556	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\lpqwhpm\ImagePath = "C:\\Windows\\SysWOW64\\lpqwhpm\\aynztpaq.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	9119f2bf0f3d575dce916735bfee6d40_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
948	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
964	aynztpaq.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 964 set thread context of 948	964	aynztpaq.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
3992	sc.exe
4608	sc.exe
3980	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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

pid	pid_target	Process	procid_target
3312	4028	WerFault.exe	81
4460	964	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	cmd.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	aynztpaq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9119f2bf0f3d575dce916735bfee6d40_JaffaCakes118.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

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4028 wrote to memory of 2112	4028	9119f2bf0f3d575dce916735bfee6d40_JaffaCakes118.exe	82
PID 4028 wrote to memory of 2112	4028	9119f2bf0f3d575dce916735bfee6d40_JaffaCakes118.exe	82
PID 4028 wrote to memory of 2112	4028	9119f2bf0f3d575dce916735bfee6d40_JaffaCakes118.exe	82
PID 4028 wrote to memory of 3948	4028	9119f2bf0f3d575dce916735bfee6d40_JaffaCakes118.exe	84
PID 4028 wrote to memory of 3948	4028	9119f2bf0f3d575dce916735bfee6d40_JaffaCakes118.exe	84
PID 4028 wrote to memory of 3948	4028	9119f2bf0f3d575dce916735bfee6d40_JaffaCakes118.exe	84
PID 4028 wrote to memory of 3992	4028	9119f2bf0f3d575dce916735bfee6d40_JaffaCakes118.exe	86
PID 4028 wrote to memory of 3992	4028	9119f2bf0f3d575dce916735bfee6d40_JaffaCakes118.exe	86
PID 4028 wrote to memory of 3992	4028	9119f2bf0f3d575dce916735bfee6d40_JaffaCakes118.exe	86
PID 4028 wrote to memory of 4608	4028	9119f2bf0f3d575dce916735bfee6d40_JaffaCakes118.exe	88
PID 4028 wrote to memory of 4608	4028	9119f2bf0f3d575dce916735bfee6d40_JaffaCakes118.exe	88
PID 4028 wrote to memory of 4608	4028	9119f2bf0f3d575dce916735bfee6d40_JaffaCakes118.exe	88
PID 4028 wrote to memory of 3980	4028	9119f2bf0f3d575dce916735bfee6d40_JaffaCakes118.exe	90
PID 4028 wrote to memory of 3980	4028	9119f2bf0f3d575dce916735bfee6d40_JaffaCakes118.exe	90
PID 4028 wrote to memory of 3980	4028	9119f2bf0f3d575dce916735bfee6d40_JaffaCakes118.exe	90
PID 4028 wrote to memory of 3556	4028	9119f2bf0f3d575dce916735bfee6d40_JaffaCakes118.exe	93
PID 4028 wrote to memory of 3556	4028	9119f2bf0f3d575dce916735bfee6d40_JaffaCakes118.exe	93
PID 4028 wrote to memory of 3556	4028	9119f2bf0f3d575dce916735bfee6d40_JaffaCakes118.exe	93
PID 964 wrote to memory of 948	964	aynztpaq.exe	98
PID 964 wrote to memory of 948	964	aynztpaq.exe	98
PID 964 wrote to memory of 948	964	aynztpaq.exe	98
PID 964 wrote to memory of 948	964	aynztpaq.exe	98
PID 964 wrote to memory of 948	964	aynztpaq.exe	98

C:\Users\Admin\AppData\Local\Temp\9119f2bf0f3d575dce916735bfee6d40_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9119f2bf0f3d575dce916735bfee6d40_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4028
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lpqwhpm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2112
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\aynztpaq.exe" C:\Windows\SysWOW64\lpqwhpm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3948
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lpqwhpm binPath= "C:\Windows\SysWOW64\lpqwhpm\aynztpaq.exe /d\"C:\Users\Admin\AppData\Local\Temp\9119f2bf0f3d575dce916735bfee6d40_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3992
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lpqwhpm "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4608
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lpqwhpm
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3980
- 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:3556
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 600
  2⤵
  - Program crash
  PID:3312

C:\Windows\SysWOW64\lpqwhpm\aynztpaq.exe
C:\Windows\SysWOW64\lpqwhpm\aynztpaq.exe /d"C:\Users\Admin\AppData\Local\Temp\9119f2bf0f3d575dce916735bfee6d40_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:964
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:948
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 964 -s 512
  2⤵
  - Program crash
  PID:4460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4028 -ip 4028
1⤵
PID:3904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 964 -ip 964
1⤵
PID:2544

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\aynztpaq.exe

Filesize
12.7MB

MD5
5239db8bf62dcf583aefc4b47411bd1a

SHA1
c1b572927dd0a1525742bd82e9c1e28b12482d33

SHA256
95d535305db3b49f0f09ddb822f8a7e289c901b8ceaf37a2e3f57a32d033f732

SHA512
13e4ee5c3a5338d8cd8482deb8348f7f868ef5ba43899de4b086057f8489d08fe1e2d1381e34581412a4ea7ddf6e5ab341ddc02345cabdbb0c26b3ca7b94fd27

Download Submit
memory/948-11-0x0000000001090000-0x00000000010A5000-memory.dmp

Filesize
84KB

Download
memory/948-13-0x0000000001090000-0x00000000010A5000-memory.dmp

Filesize
84KB

Download
memory/948-14-0x0000000001090000-0x00000000010A5000-memory.dmp

Filesize
84KB

Download
memory/964-15-0x0000000000400000-0x0000000002B90000-memory.dmp

Filesize
39.6MB

Download
memory/4028-2-0x00000000001E0000-0x00000000001F3000-memory.dmp

Filesize
76KB

Download
memory/4028-1-0x0000000002ED0000-0x0000000002FD0000-memory.dmp

Filesize
1024KB

Download
memory/4028-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4028-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4028-9-0x00000000001E0000-0x00000000001F3000-memory.dmp

Filesize
76KB

Download
memory/4028-8-0x0000000000400000-0x0000000002B90000-memory.dmp

Filesize
39.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads