tofsee | 0d2e8b13e996d58447a95e7b8b5918373000d6baa78c33c04fa67a9ae3efa871

General

Target

JaffaCakes118_0d2e8b13e996d58447a95e7b8b5918373000d6baa78c33c04fa67a9ae3efa871.exe
Size

179KB
MD5

1ecbcffb32a874d05b2d4e9ac19b9827
SHA1

3397a30b7ecdde3effb329b7bad29fdf074a63f2
SHA256

0d2e8b13e996d58447a95e7b8b5918373000d6baa78c33c04fa67a9ae3efa871
SHA512

24e188516e1b32169d9974300da435492e6565d4489a114a5a3986f65efe897822cb0d602bdabe22f79b5bf3aa5b6c899f70d39f61cac313726647f0e27e26ff
SSDEEP

3072:B7S4EKeM3KP5fooZ8+TiX5SsiduZFG7XNDsUpkV:7eM3KPlFmMsbzG7X2Up

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
3988	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\xlgbvlik\ImagePath = "C:\\Windows\\SysWOW64\\xlgbvlik\\renklqcp.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	JaffaCakes118_0d2e8b13e996d58447a95e7b8b5918373000d6baa78c33c04fa67a9ae3efa871.exe

Deletes itself 1 IoCs

pid	Process
3056	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1976	renklqcp.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1976 set thread context of 3056	1976	renklqcp.exe	96

Launches sc.exe 3 IoCs

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

pid	Process
2272	sc.exe
4156	sc.exe
4764	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
668	3108	WerFault.exe	82
4576	1976	WerFault.exe	94

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	renklqcp.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	cmd.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	JaffaCakes118_0d2e8b13e996d58447a95e7b8b5918373000d6baa78c33c04fa67a9ae3efa871.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3108 wrote to memory of 2972	3108	JaffaCakes118_0d2e8b13e996d58447a95e7b8b5918373000d6baa78c33c04fa67a9ae3efa871.exe	83
PID 3108 wrote to memory of 2972	3108	JaffaCakes118_0d2e8b13e996d58447a95e7b8b5918373000d6baa78c33c04fa67a9ae3efa871.exe	83
PID 3108 wrote to memory of 2972	3108	JaffaCakes118_0d2e8b13e996d58447a95e7b8b5918373000d6baa78c33c04fa67a9ae3efa871.exe	83
PID 3108 wrote to memory of 1092	3108	JaffaCakes118_0d2e8b13e996d58447a95e7b8b5918373000d6baa78c33c04fa67a9ae3efa871.exe	85
PID 3108 wrote to memory of 1092	3108	JaffaCakes118_0d2e8b13e996d58447a95e7b8b5918373000d6baa78c33c04fa67a9ae3efa871.exe	85
PID 3108 wrote to memory of 1092	3108	JaffaCakes118_0d2e8b13e996d58447a95e7b8b5918373000d6baa78c33c04fa67a9ae3efa871.exe	85
PID 3108 wrote to memory of 2272	3108	JaffaCakes118_0d2e8b13e996d58447a95e7b8b5918373000d6baa78c33c04fa67a9ae3efa871.exe	87
PID 3108 wrote to memory of 2272	3108	JaffaCakes118_0d2e8b13e996d58447a95e7b8b5918373000d6baa78c33c04fa67a9ae3efa871.exe	87
PID 3108 wrote to memory of 2272	3108	JaffaCakes118_0d2e8b13e996d58447a95e7b8b5918373000d6baa78c33c04fa67a9ae3efa871.exe	87
PID 3108 wrote to memory of 4156	3108	JaffaCakes118_0d2e8b13e996d58447a95e7b8b5918373000d6baa78c33c04fa67a9ae3efa871.exe	89
PID 3108 wrote to memory of 4156	3108	JaffaCakes118_0d2e8b13e996d58447a95e7b8b5918373000d6baa78c33c04fa67a9ae3efa871.exe	89
PID 3108 wrote to memory of 4156	3108	JaffaCakes118_0d2e8b13e996d58447a95e7b8b5918373000d6baa78c33c04fa67a9ae3efa871.exe	89
PID 3108 wrote to memory of 4764	3108	JaffaCakes118_0d2e8b13e996d58447a95e7b8b5918373000d6baa78c33c04fa67a9ae3efa871.exe	92
PID 3108 wrote to memory of 4764	3108	JaffaCakes118_0d2e8b13e996d58447a95e7b8b5918373000d6baa78c33c04fa67a9ae3efa871.exe	92
PID 3108 wrote to memory of 4764	3108	JaffaCakes118_0d2e8b13e996d58447a95e7b8b5918373000d6baa78c33c04fa67a9ae3efa871.exe	92
PID 3108 wrote to memory of 3988	3108	JaffaCakes118_0d2e8b13e996d58447a95e7b8b5918373000d6baa78c33c04fa67a9ae3efa871.exe	95
PID 3108 wrote to memory of 3988	3108	JaffaCakes118_0d2e8b13e996d58447a95e7b8b5918373000d6baa78c33c04fa67a9ae3efa871.exe	95
PID 3108 wrote to memory of 3988	3108	JaffaCakes118_0d2e8b13e996d58447a95e7b8b5918373000d6baa78c33c04fa67a9ae3efa871.exe	95
PID 1976 wrote to memory of 3056	1976	renklqcp.exe	96
PID 1976 wrote to memory of 3056	1976	renklqcp.exe	96
PID 1976 wrote to memory of 3056	1976	renklqcp.exe	96
PID 1976 wrote to memory of 3056	1976	renklqcp.exe	96
PID 1976 wrote to memory of 3056	1976	renklqcp.exe	96

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0d2e8b13e996d58447a95e7b8b5918373000d6baa78c33c04fa67a9ae3efa871.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0d2e8b13e996d58447a95e7b8b5918373000d6baa78c33c04fa67a9ae3efa871.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3108
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\xlgbvlik\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2972
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\renklqcp.exe" C:\Windows\SysWOW64\xlgbvlik\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1092
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create xlgbvlik binPath= "C:\Windows\SysWOW64\xlgbvlik\renklqcp.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0d2e8b13e996d58447a95e7b8b5918373000d6baa78c33c04fa67a9ae3efa871.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2272
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description xlgbvlik "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4156
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start xlgbvlik
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4764
- 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:3988
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3108 -s 1032
  2⤵
  - Program crash
  PID:668

C:\Windows\SysWOW64\xlgbvlik\renklqcp.exe
C:\Windows\SysWOW64\xlgbvlik\renklqcp.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0d2e8b13e996d58447a95e7b8b5918373000d6baa78c33c04fa67a9ae3efa871.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3056
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 532
  2⤵
  - Program crash
  PID:4576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1976 -ip 1976
1⤵
PID:3040

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 3108 -ip 3108
1⤵
PID:2228

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\renklqcp.exe

Filesize
12.2MB

MD5
6eeb905935f441473cd5a6647985bf35

SHA1
94978377b00bd6c099b1ef4804a25fe1f5e0ff1e

SHA256
56fb354572fdb751fd104becbca6ba38170bc6de6c47784746b6330da7038488

SHA512
b245707eb77cfdee019c8de10bd74578a184e77c830a28d016c2e1882805c0a9b1f1cce4281f33e508c93dcfeb82682eb6bf19a0b7ac5f4f5a31a2ce68b3860c

Download Submit
memory/1976-13-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1976-6-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/1976-7-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/3056-11-0x0000000000BB0000-0x0000000000BC5000-memory.dmp

Filesize
84KB

Download
memory/3056-20-0x0000000000BB0000-0x0000000000BC5000-memory.dmp

Filesize
84KB

Download
memory/3056-8-0x0000000000BB0000-0x0000000000BC5000-memory.dmp

Filesize
84KB

Download
memory/3056-19-0x0000000000BB0000-0x0000000000BC5000-memory.dmp

Filesize
84KB

Download
memory/3056-18-0x0000000000BB0000-0x0000000000BC5000-memory.dmp

Filesize
84KB

Download
memory/3108-14-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/3108-17-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3108-16-0x00000000006C0000-0x00000000006D3000-memory.dmp

Filesize
76KB

Download
memory/3108-15-0x0000000000590000-0x000000000059D000-memory.dmp

Filesize
52KB

Download
memory/3108-0-0x0000000000590000-0x000000000059D000-memory.dmp

Filesize
52KB

Download
memory/3108-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3108-1-0x00000000006C0000-0x00000000006D3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads