tofsee | 6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b

General

Target

JaffaCakes118_6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b.exe
Size

272KB
MD5

4520ebb24e27fa71848c62c3a03eb5f3
SHA1

c1cb8e3ad5b5723eb7c04cc9d7aebc142de475af
SHA256

6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b
SHA512

56ceac8dcfaff0ce532a3317a062003c4dc33b4f3b733b7abb6c86bb9bfc16cae9e58672d7fcf9de929c84ffe79426078150f83be7d6321c8d0a8063eea5f0f8
SSDEEP

6144:GsJ+2+nV2Lv+yhKk80Uwb31Ct6KROhxxpeTr/ekI:VsVncCyhKk80Uea6/zxp6L

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
3076	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\whpxoedq\ImagePath = "C:\\Windows\\SysWOW64\\whpxoedq\\bzjhhxgw.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b.exe

Executes dropped EXE 1 IoCs

pid	Process
1252	bzjhhxgw.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1252 set thread context of 1992	1252	bzjhhxgw.exe	95

Launches sc.exe 3 IoCs

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

pid	Process
3324	sc.exe
3056	sc.exe
532	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	sc.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bzjhhxgw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4928 wrote to memory of 4236	4928	JaffaCakes118_6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b.exe	82
PID 4928 wrote to memory of 4236	4928	JaffaCakes118_6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b.exe	82
PID 4928 wrote to memory of 4236	4928	JaffaCakes118_6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b.exe	82
PID 4928 wrote to memory of 3452	4928	JaffaCakes118_6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b.exe	84
PID 4928 wrote to memory of 3452	4928	JaffaCakes118_6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b.exe	84
PID 4928 wrote to memory of 3452	4928	JaffaCakes118_6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b.exe	84
PID 4928 wrote to memory of 3056	4928	JaffaCakes118_6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b.exe	86
PID 4928 wrote to memory of 3056	4928	JaffaCakes118_6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b.exe	86
PID 4928 wrote to memory of 3056	4928	JaffaCakes118_6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b.exe	86
PID 4928 wrote to memory of 532	4928	JaffaCakes118_6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b.exe	88
PID 4928 wrote to memory of 532	4928	JaffaCakes118_6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b.exe	88
PID 4928 wrote to memory of 532	4928	JaffaCakes118_6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b.exe	88
PID 4928 wrote to memory of 3324	4928	JaffaCakes118_6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b.exe	90
PID 4928 wrote to memory of 3324	4928	JaffaCakes118_6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b.exe	90
PID 4928 wrote to memory of 3324	4928	JaffaCakes118_6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b.exe	90
PID 4928 wrote to memory of 3076	4928	JaffaCakes118_6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b.exe	93
PID 4928 wrote to memory of 3076	4928	JaffaCakes118_6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b.exe	93
PID 4928 wrote to memory of 3076	4928	JaffaCakes118_6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b.exe	93
PID 1252 wrote to memory of 1992	1252	bzjhhxgw.exe	95
PID 1252 wrote to memory of 1992	1252	bzjhhxgw.exe	95
PID 1252 wrote to memory of 1992	1252	bzjhhxgw.exe	95
PID 1252 wrote to memory of 1992	1252	bzjhhxgw.exe	95
PID 1252 wrote to memory of 1992	1252	bzjhhxgw.exe	95

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4928
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\whpxoedq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4236
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\bzjhhxgw.exe" C:\Windows\SysWOW64\whpxoedq\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3452
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create whpxoedq binPath= "C:\Windows\SysWOW64\whpxoedq\bzjhhxgw.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3056
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description whpxoedq "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:532
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start whpxoedq
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3324
- 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:3076

C:\Windows\SysWOW64\whpxoedq\bzjhhxgw.exe
C:\Windows\SysWOW64\whpxoedq\bzjhhxgw.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6a412c52254c5a3c2c51377239d76ec9e7feba6132218f07c83a50a660f5757b.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1252
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - System Location Discovery: System Language Discovery
  PID:1992

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\bzjhhxgw.exe

Filesize
12.3MB

MD5
30c2bd8db3edd3a9d2e9b1f8465f916f

SHA1
e5831fc92e6787d450ecfded030b90a272ecfd3d

SHA256
d03a6e5c9fbf699dd1bb335fc0be1244cdf60319f5429426a511f727d6b3b2fd

SHA512
d68f88585caaf24cd5412a0a976af93ba175a8c787e91c430de676d5df34d3ab9eb3391cceb24a5d3f459f8db038e8938ff46e290597f5cc64aa0222540b5f63

Download Submit
memory/1252-11-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1252-25-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1252-26-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1252-8-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1252-9-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1252-18-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1252-23-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1252-19-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1252-17-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/1992-12-0x0000000000C00000-0x0000000000C15000-memory.dmp

Filesize
84KB

Download
memory/1992-21-0x0000000000C00000-0x0000000000C15000-memory.dmp

Filesize
84KB

Download
memory/1992-20-0x0000000000C00000-0x0000000000C15000-memory.dmp

Filesize
84KB

Download
memory/4928-10-0x00000000006E0000-0x00000000007E0000-memory.dmp

Filesize
1024KB

Download
memory/4928-27-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4928-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4928-14-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/4928-22-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4928-1-0x00000000006E0000-0x00000000007E0000-memory.dmp

Filesize
1024KB

Download
memory/4928-24-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4928-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4928-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/4928-16-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4928-28-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4928-29-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4928-30-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4928-31-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4928-32-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4928-33-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4928-34-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4928-35-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4928-36-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download
memory/4928-37-0x0000000000400000-0x0000000000451000-memory.dmp

Filesize
324KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads