tofsee | 21408784d1e696ee84a00768df1119b35fd9aa5b69ea956970d23bcafe481f32

General

Target

JaffaCakes118_21408784d1e696ee84a00768df1119b35fd9aa5b69ea956970d23bcafe481f32.exe
Size

330KB
MD5

a04f9ed5dd9d3e76e04d5bd7edec63ad
SHA1

c097ab168de552eb4a20e0396cb72b345c3d756e
SHA256

21408784d1e696ee84a00768df1119b35fd9aa5b69ea956970d23bcafe481f32
SHA512

d34e52919da0f9642cb6bac1df8328766b1a94fa51680eef44ec765760bed72458c3f1e1aca0663d1d70924cf0a51ffbce6386412767efb7770f2e4bb7fc2f9f
SSDEEP

6144:BKnLinvP468OLVNc8F+Pc+H8ZjWizMXFfuGri:wkvP468y28Fn+HJizothri

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

patmushta.info

ovicrush.cn

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
2104	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\lgmaklfz\ImagePath = "C:\\Windows\\SysWOW64\\lgmaklfz\\jjqvbuda.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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	JaffaCakes118_21408784d1e696ee84a00768df1119b35fd9aa5b69ea956970d23bcafe481f32.exe

Deletes itself 1 IoCs

pid	Process
3784	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2096	jjqvbuda.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2096 set thread context of 3784	2096	jjqvbuda.exe	95

Launches sc.exe 3 IoCs

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

pid	Process
2732	sc.exe
2624	sc.exe
4456	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

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	jjqvbuda.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_21408784d1e696ee84a00768df1119b35fd9aa5b69ea956970d23bcafe481f32.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 3696 wrote to memory of 1792	3696	JaffaCakes118_21408784d1e696ee84a00768df1119b35fd9aa5b69ea956970d23bcafe481f32.exe	82
PID 3696 wrote to memory of 1792	3696	JaffaCakes118_21408784d1e696ee84a00768df1119b35fd9aa5b69ea956970d23bcafe481f32.exe	82
PID 3696 wrote to memory of 1792	3696	JaffaCakes118_21408784d1e696ee84a00768df1119b35fd9aa5b69ea956970d23bcafe481f32.exe	82
PID 3696 wrote to memory of 3004	3696	JaffaCakes118_21408784d1e696ee84a00768df1119b35fd9aa5b69ea956970d23bcafe481f32.exe	84
PID 3696 wrote to memory of 3004	3696	JaffaCakes118_21408784d1e696ee84a00768df1119b35fd9aa5b69ea956970d23bcafe481f32.exe	84
PID 3696 wrote to memory of 3004	3696	JaffaCakes118_21408784d1e696ee84a00768df1119b35fd9aa5b69ea956970d23bcafe481f32.exe	84
PID 3696 wrote to memory of 2732	3696	JaffaCakes118_21408784d1e696ee84a00768df1119b35fd9aa5b69ea956970d23bcafe481f32.exe	86
PID 3696 wrote to memory of 2732	3696	JaffaCakes118_21408784d1e696ee84a00768df1119b35fd9aa5b69ea956970d23bcafe481f32.exe	86
PID 3696 wrote to memory of 2732	3696	JaffaCakes118_21408784d1e696ee84a00768df1119b35fd9aa5b69ea956970d23bcafe481f32.exe	86
PID 3696 wrote to memory of 2624	3696	JaffaCakes118_21408784d1e696ee84a00768df1119b35fd9aa5b69ea956970d23bcafe481f32.exe	88
PID 3696 wrote to memory of 2624	3696	JaffaCakes118_21408784d1e696ee84a00768df1119b35fd9aa5b69ea956970d23bcafe481f32.exe	88
PID 3696 wrote to memory of 2624	3696	JaffaCakes118_21408784d1e696ee84a00768df1119b35fd9aa5b69ea956970d23bcafe481f32.exe	88
PID 3696 wrote to memory of 4456	3696	JaffaCakes118_21408784d1e696ee84a00768df1119b35fd9aa5b69ea956970d23bcafe481f32.exe	90
PID 3696 wrote to memory of 4456	3696	JaffaCakes118_21408784d1e696ee84a00768df1119b35fd9aa5b69ea956970d23bcafe481f32.exe	90
PID 3696 wrote to memory of 4456	3696	JaffaCakes118_21408784d1e696ee84a00768df1119b35fd9aa5b69ea956970d23bcafe481f32.exe	90
PID 3696 wrote to memory of 2104	3696	JaffaCakes118_21408784d1e696ee84a00768df1119b35fd9aa5b69ea956970d23bcafe481f32.exe	93
PID 3696 wrote to memory of 2104	3696	JaffaCakes118_21408784d1e696ee84a00768df1119b35fd9aa5b69ea956970d23bcafe481f32.exe	93
PID 3696 wrote to memory of 2104	3696	JaffaCakes118_21408784d1e696ee84a00768df1119b35fd9aa5b69ea956970d23bcafe481f32.exe	93
PID 2096 wrote to memory of 3784	2096	jjqvbuda.exe	95
PID 2096 wrote to memory of 3784	2096	jjqvbuda.exe	95
PID 2096 wrote to memory of 3784	2096	jjqvbuda.exe	95
PID 2096 wrote to memory of 3784	2096	jjqvbuda.exe	95
PID 2096 wrote to memory of 3784	2096	jjqvbuda.exe	95

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21408784d1e696ee84a00768df1119b35fd9aa5b69ea956970d23bcafe481f32.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21408784d1e696ee84a00768df1119b35fd9aa5b69ea956970d23bcafe481f32.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3696
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\lgmaklfz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1792
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jjqvbuda.exe" C:\Windows\SysWOW64\lgmaklfz\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3004
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create lgmaklfz binPath= "C:\Windows\SysWOW64\lgmaklfz\jjqvbuda.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21408784d1e696ee84a00768df1119b35fd9aa5b69ea956970d23bcafe481f32.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2732
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description lgmaklfz "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2624
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start lgmaklfz
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4456
- 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:2104

C:\Windows\SysWOW64\lgmaklfz\jjqvbuda.exe
C:\Windows\SysWOW64\lgmaklfz\jjqvbuda.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21408784d1e696ee84a00768df1119b35fd9aa5b69ea956970d23bcafe481f32.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2096
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3784

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\jjqvbuda.exe

Filesize
11.7MB

MD5
083e1b596ccc2a4642c2979f9862211d

SHA1
d305afca71e8dceb7fa72ac6fad9897c7b322716

SHA256
02a3186cd0bf69422081c2cdd4e7268786cc5c11a478b413a91da06bfd5d12f3

SHA512
3c18355733d66cec367e8ca5cd88c7960914cf8c60ce31de7e908c2cf946a62cf64c752edffad829ca0b96bd96a298a52efb864ef0037cc90b000657c820cfad

Download Submit
memory/2096-12-0x0000000000400000-0x0000000002B1C000-memory.dmp

Filesize
39.1MB

Download
memory/3696-1-0x0000000002E90000-0x0000000002F90000-memory.dmp

Filesize
1024KB

Download
memory/3696-2-0x0000000002E70000-0x0000000002E83000-memory.dmp

Filesize
76KB

Download
memory/3696-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3696-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3696-9-0x0000000002E70000-0x0000000002E83000-memory.dmp

Filesize
76KB

Download
memory/3696-8-0x0000000000400000-0x0000000002B1C000-memory.dmp

Filesize
39.1MB

Download
memory/3784-11-0x00000000001D0000-0x00000000001E5000-memory.dmp

Filesize
84KB

Download
memory/3784-14-0x00000000001D0000-0x00000000001E5000-memory.dmp

Filesize
84KB

Download
memory/3784-15-0x00000000001D0000-0x00000000001E5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads