tofsee | e062e099f7f60e5d9691feeba382b35462333681617fcd28b01d979af3cac0da

General

Target

JaffaCakes118_e062e099f7f60e5d9691feeba382b35462333681617fcd28b01d979af3cac0da.exe
Size

179KB
MD5

a87dea05702e243412ac9b970fb39a1c
SHA1

941366aa542c77c5b5ef4d4efe863ba3fec2d72f
SHA256

e062e099f7f60e5d9691feeba382b35462333681617fcd28b01d979af3cac0da
SHA512

184d13163c8cdfcc2008cd518e350016d6976530412c0bd4d346426c08b19d1c48630ed26f718208047cc90462055c07919f1be3d725412b97673e093a9ee52c
SSDEEP

3072:Y7w4SLqj70RIT1KorqzMWrj7KxClkp7lHDs9Z2D21jl1:9qj7O60oG7KkypG9Z2D21

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
4568	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\nljfzzbh\ImagePath = "C:\\Windows\\SysWOW64\\nljfzzbh\\jpknwffa.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	JaffaCakes118_e062e099f7f60e5d9691feeba382b35462333681617fcd28b01d979af3cac0da.exe

Deletes itself 1 IoCs

pid	Process
2052	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4620	jpknwffa.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4620 set thread context of 2052	4620	jpknwffa.exe	98

Launches sc.exe 3 IoCs

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

pid	Process
2372	sc.exe
5116	sc.exe
5048	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
5112	1964	WerFault.exe	82
864	4620	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_e062e099f7f60e5d9691feeba382b35462333681617fcd28b01d979af3cac0da.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	jpknwffa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.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 1964 wrote to memory of 372	1964	JaffaCakes118_e062e099f7f60e5d9691feeba382b35462333681617fcd28b01d979af3cac0da.exe	83
PID 1964 wrote to memory of 372	1964	JaffaCakes118_e062e099f7f60e5d9691feeba382b35462333681617fcd28b01d979af3cac0da.exe	83
PID 1964 wrote to memory of 372	1964	JaffaCakes118_e062e099f7f60e5d9691feeba382b35462333681617fcd28b01d979af3cac0da.exe	83
PID 1964 wrote to memory of 2104	1964	JaffaCakes118_e062e099f7f60e5d9691feeba382b35462333681617fcd28b01d979af3cac0da.exe	85
PID 1964 wrote to memory of 2104	1964	JaffaCakes118_e062e099f7f60e5d9691feeba382b35462333681617fcd28b01d979af3cac0da.exe	85
PID 1964 wrote to memory of 2104	1964	JaffaCakes118_e062e099f7f60e5d9691feeba382b35462333681617fcd28b01d979af3cac0da.exe	85
PID 1964 wrote to memory of 2372	1964	JaffaCakes118_e062e099f7f60e5d9691feeba382b35462333681617fcd28b01d979af3cac0da.exe	87
PID 1964 wrote to memory of 2372	1964	JaffaCakes118_e062e099f7f60e5d9691feeba382b35462333681617fcd28b01d979af3cac0da.exe	87
PID 1964 wrote to memory of 2372	1964	JaffaCakes118_e062e099f7f60e5d9691feeba382b35462333681617fcd28b01d979af3cac0da.exe	87
PID 1964 wrote to memory of 5116	1964	JaffaCakes118_e062e099f7f60e5d9691feeba382b35462333681617fcd28b01d979af3cac0da.exe	89
PID 1964 wrote to memory of 5116	1964	JaffaCakes118_e062e099f7f60e5d9691feeba382b35462333681617fcd28b01d979af3cac0da.exe	89
PID 1964 wrote to memory of 5116	1964	JaffaCakes118_e062e099f7f60e5d9691feeba382b35462333681617fcd28b01d979af3cac0da.exe	89
PID 1964 wrote to memory of 5048	1964	JaffaCakes118_e062e099f7f60e5d9691feeba382b35462333681617fcd28b01d979af3cac0da.exe	91
PID 1964 wrote to memory of 5048	1964	JaffaCakes118_e062e099f7f60e5d9691feeba382b35462333681617fcd28b01d979af3cac0da.exe	91
PID 1964 wrote to memory of 5048	1964	JaffaCakes118_e062e099f7f60e5d9691feeba382b35462333681617fcd28b01d979af3cac0da.exe	91
PID 1964 wrote to memory of 4568	1964	JaffaCakes118_e062e099f7f60e5d9691feeba382b35462333681617fcd28b01d979af3cac0da.exe	95
PID 1964 wrote to memory of 4568	1964	JaffaCakes118_e062e099f7f60e5d9691feeba382b35462333681617fcd28b01d979af3cac0da.exe	95
PID 1964 wrote to memory of 4568	1964	JaffaCakes118_e062e099f7f60e5d9691feeba382b35462333681617fcd28b01d979af3cac0da.exe	95
PID 4620 wrote to memory of 2052	4620	jpknwffa.exe	98
PID 4620 wrote to memory of 2052	4620	jpknwffa.exe	98
PID 4620 wrote to memory of 2052	4620	jpknwffa.exe	98
PID 4620 wrote to memory of 2052	4620	jpknwffa.exe	98
PID 4620 wrote to memory of 2052	4620	jpknwffa.exe	98

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e062e099f7f60e5d9691feeba382b35462333681617fcd28b01d979af3cac0da.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e062e099f7f60e5d9691feeba382b35462333681617fcd28b01d979af3cac0da.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\nljfzzbh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:372
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jpknwffa.exe" C:\Windows\SysWOW64\nljfzzbh\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2104
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create nljfzzbh binPath= "C:\Windows\SysWOW64\nljfzzbh\jpknwffa.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e062e099f7f60e5d9691feeba382b35462333681617fcd28b01d979af3cac0da.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2372
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description nljfzzbh "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5116
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start nljfzzbh
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:5048
- 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:4568
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1964 -s 664
  2⤵
  - Program crash
  PID:5112

C:\Windows\SysWOW64\nljfzzbh\jpknwffa.exe
C:\Windows\SysWOW64\nljfzzbh\jpknwffa.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e062e099f7f60e5d9691feeba382b35462333681617fcd28b01d979af3cac0da.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4620
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2052
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4620 -s 548
  2⤵
  - Program crash
  PID:864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 4620 -ip 4620
1⤵
PID:3896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1964 -ip 1964
1⤵
PID:872

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\jpknwffa.exe

Filesize
13.4MB

MD5
a6d26727fd033e897ee728c11a07d483

SHA1
394e053e6160c41cc24390c8e58aeb5dd9d1564a

SHA256
98fb7ee88855d0be91988cba611cbfda4dbd03904218218e1e405be1f7356f37

SHA512
96e86dc643de2109706cba5ce6e8506980aa999c37a40c43b77907f26fb70b13e1f7775c717a3adeaf4316f6b5d7d94f28cd23782563bdd031cdc1a8ee61eaf6

Download Submit
memory/1964-14-0x0000000002190000-0x00000000021A3000-memory.dmp

Filesize
76KB

Download
memory/1964-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1964-1-0x0000000002190000-0x00000000021A3000-memory.dmp

Filesize
76KB

Download
memory/1964-0-0x0000000002180000-0x000000000218D000-memory.dmp

Filesize
52KB

Download
memory/1964-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1964-13-0x0000000002180000-0x000000000218D000-memory.dmp

Filesize
52KB

Download
memory/1964-12-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/2052-20-0x0000000000D80000-0x0000000000D95000-memory.dmp

Filesize
84KB

Download
memory/2052-8-0x0000000000D80000-0x0000000000D95000-memory.dmp

Filesize
84KB

Download
memory/2052-11-0x0000000000D80000-0x0000000000D95000-memory.dmp

Filesize
84KB

Download
memory/2052-18-0x0000000000D80000-0x0000000000D95000-memory.dmp

Filesize
84KB

Download
memory/2052-19-0x0000000000D80000-0x0000000000D95000-memory.dmp

Filesize
84KB

Download
memory/4620-6-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/4620-17-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download
memory/4620-7-0x0000000000400000-0x0000000000435000-memory.dmp

Filesize
212KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads