tofsee | 809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61

General

Target

JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe
Size

173KB
MD5

9f9ae6890b75d02bd12c641689feb0f3
SHA1

b061f73eb4bffc740d14b8c60506e366ee6eb010
SHA256

809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61
SHA512

edc30a5fdebd31710f61aeddcffb47f98e51afa168ab0a31af1134c8942049bdb000cc1dd625dd11ff55621c7167789a27668a19dad76b07414765e6a3f6ba9a
SSDEEP

3072:D7pw2Al1wUlCE0zZaGRRE2esjjc7XxxL33jai2:pHAl1wUcE0zZaGRRksAXxxL3T6

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
2800	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\hazutmig\ImagePath = "C:\\Windows\\SysWOW64\\hazutmig\\dmvdrjra.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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe

Deletes itself 1 IoCs

pid	Process
4904	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3712	dmvdrjra.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3712 set thread context of 4904	3712	dmvdrjra.exe	94

Launches sc.exe 3 IoCs

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

pid	Process
508	sc.exe
1744	sc.exe
1408	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	sc.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	dmvdrjra.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_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4116 wrote to memory of 2896	4116	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	83
PID 4116 wrote to memory of 2896	4116	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	83
PID 4116 wrote to memory of 2896	4116	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	83
PID 4116 wrote to memory of 4716	4116	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	85
PID 4116 wrote to memory of 4716	4116	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	85
PID 4116 wrote to memory of 4716	4116	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	85
PID 4116 wrote to memory of 1408	4116	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	87
PID 4116 wrote to memory of 1408	4116	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	87
PID 4116 wrote to memory of 1408	4116	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	87
PID 4116 wrote to memory of 508	4116	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	89
PID 4116 wrote to memory of 508	4116	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	89
PID 4116 wrote to memory of 508	4116	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	89
PID 4116 wrote to memory of 1744	4116	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	91
PID 4116 wrote to memory of 1744	4116	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	91
PID 4116 wrote to memory of 1744	4116	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	91
PID 3712 wrote to memory of 4904	3712	dmvdrjra.exe	94
PID 3712 wrote to memory of 4904	3712	dmvdrjra.exe	94
PID 3712 wrote to memory of 4904	3712	dmvdrjra.exe	94
PID 3712 wrote to memory of 4904	3712	dmvdrjra.exe	94
PID 3712 wrote to memory of 4904	3712	dmvdrjra.exe	94
PID 4116 wrote to memory of 2800	4116	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	95
PID 4116 wrote to memory of 2800	4116	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	95
PID 4116 wrote to memory of 2800	4116	JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe	95

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4116
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\hazutmig\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2896
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dmvdrjra.exe" C:\Windows\SysWOW64\hazutmig\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4716
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create hazutmig binPath= "C:\Windows\SysWOW64\hazutmig\dmvdrjra.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1408
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description hazutmig "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:508
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start hazutmig
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1744
- 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:2800

C:\Windows\SysWOW64\hazutmig\dmvdrjra.exe
C:\Windows\SysWOW64\hazutmig\dmvdrjra.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_809a66221d8ddb4cca29184f243c786309bc929020ea0152c400068ffc738a61.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3712
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4904

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\dmvdrjra.exe

Filesize
13.2MB

MD5
82b2b0d2c6cf889da099d51a61a54b6f

SHA1
0b681158eacfeb2f4096e5afa3de498fad9cb968

SHA256
72e5de285c892fb2b6ad1b159532a9d8e886e4c62d410e7b79bf61c28f55ea73

SHA512
1302e6f0d75e4645cc8ef7612c6478bab533f818d920a62c689f903456afd3ed55e3cff58859050ec518e7eea3ab31ccee0fbcd99f3573206e40a0fcd5256ef9

Download Submit
memory/3712-7-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3712-13-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3712-8-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/3712-6-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4116-16-0x0000000002180000-0x000000000218D000-memory.dmp

Filesize
52KB

Download
memory/4116-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4116-1-0x0000000002190000-0x00000000021A3000-memory.dmp

Filesize
76KB

Download
memory/4116-18-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4116-17-0x0000000002190000-0x00000000021A3000-memory.dmp

Filesize
76KB

Download
memory/4116-0-0x0000000002180000-0x000000000218D000-memory.dmp

Filesize
52KB

Download
memory/4116-15-0x0000000000400000-0x0000000000433000-memory.dmp

Filesize
204KB

Download
memory/4904-9-0x0000000000620000-0x0000000000635000-memory.dmp

Filesize
84KB

Download
memory/4904-14-0x0000000000620000-0x0000000000635000-memory.dmp

Filesize
84KB

Download
memory/4904-19-0x0000000000620000-0x0000000000635000-memory.dmp

Filesize
84KB

Download
memory/4904-20-0x0000000000620000-0x0000000000635000-memory.dmp

Filesize
84KB

Download
memory/4904-21-0x0000000000620000-0x0000000000635000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads