tofsee | 4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011

General

Target

JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe
Size

213KB
MD5

5c50519f8123fd804b2e8d74337022e6
SHA1

b862cfa9f1b20d1acceb43fc2ef3a788464265c2
SHA256

4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011
SHA512

6e362bb25221c74c955a228a30549bd22212932b81aa4ce26c26edf771227cbee0ffea2c3d9095ed4b801843a36744d7aa0f19c16786d7624d4688f12094f2ac
SSDEEP

3072:H7Zt0dLUdxVjd6XsHD1brlFgYodllBgB839E/ZVStsxkgaBChopZa9uD6Vdyhkb:Vt0edxVd6XUDVxu1r39WfigaTwVf

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
1688	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\djtquhxx\ImagePath = "C:\\Windows\\SysWOW64\\djtquhxx\\rajrfxfo.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_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe

Deletes itself 1 IoCs

pid	Process
3112	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
516	rajrfxfo.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 516 set thread context of 3112	516	rajrfxfo.exe	96

Launches sc.exe 3 IoCs

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

pid	Process
3980	sc.exe
3256	sc.exe
756	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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rajrfxfo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2464 wrote to memory of 4840	2464	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	83
PID 2464 wrote to memory of 4840	2464	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	83
PID 2464 wrote to memory of 4840	2464	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	83
PID 2464 wrote to memory of 2384	2464	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	85
PID 2464 wrote to memory of 2384	2464	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	85
PID 2464 wrote to memory of 2384	2464	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	85
PID 2464 wrote to memory of 3980	2464	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	87
PID 2464 wrote to memory of 3980	2464	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	87
PID 2464 wrote to memory of 3980	2464	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	87
PID 2464 wrote to memory of 3256	2464	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	89
PID 2464 wrote to memory of 3256	2464	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	89
PID 2464 wrote to memory of 3256	2464	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	89
PID 2464 wrote to memory of 756	2464	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	91
PID 2464 wrote to memory of 756	2464	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	91
PID 2464 wrote to memory of 756	2464	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	91
PID 2464 wrote to memory of 1688	2464	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	94
PID 2464 wrote to memory of 1688	2464	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	94
PID 2464 wrote to memory of 1688	2464	JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe	94
PID 516 wrote to memory of 3112	516	rajrfxfo.exe	96
PID 516 wrote to memory of 3112	516	rajrfxfo.exe	96
PID 516 wrote to memory of 3112	516	rajrfxfo.exe	96
PID 516 wrote to memory of 3112	516	rajrfxfo.exe	96
PID 516 wrote to memory of 3112	516	rajrfxfo.exe	96

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2464
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\djtquhxx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4840
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\rajrfxfo.exe" C:\Windows\SysWOW64\djtquhxx\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2384
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create djtquhxx binPath= "C:\Windows\SysWOW64\djtquhxx\rajrfxfo.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3980
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description djtquhxx "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3256
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start djtquhxx
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:756
- 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:1688

C:\Windows\SysWOW64\djtquhxx\rajrfxfo.exe
C:\Windows\SysWOW64\djtquhxx\rajrfxfo.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ff0ce248a8fd30a195cc7cf0709b02c42364d30ec800f7abdff92a74417d011.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:516
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3112

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\rajrfxfo.exe

Filesize
10.5MB

MD5
232742958283be40de153aa255ec241e

SHA1
6edbb58d156c758a7bec9066cc7007f7faf397f0

SHA256
355b7dd27f9590d542f247254542af592ca3566cbad774d62329551dd0bf604f

SHA512
ad9a4541949291fcd6efb792574f9d9a6eb8b435f85ca5610c1ba91b0c6d417ff4e16babe3530de68570e4077532b9f286ee778f600377a11fd3ce626494bd1b

Download Submit
memory/516-10-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/516-11-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/516-14-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/516-12-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2464-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2464-7-0x0000000000510000-0x000000000051D000-memory.dmp

Filesize
52KB

Download
memory/2464-6-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/2464-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2464-0-0x0000000000510000-0x000000000051D000-memory.dmp

Filesize
52KB

Download
memory/2464-8-0x0000000000520000-0x0000000000533000-memory.dmp

Filesize
76KB

Download
memory/2464-1-0x0000000000520000-0x0000000000533000-memory.dmp

Filesize
76KB

Download
memory/3112-13-0x0000000001210000-0x0000000001225000-memory.dmp

Filesize
84KB

Download
memory/3112-16-0x0000000001210000-0x0000000001225000-memory.dmp

Filesize
84KB

Download
memory/3112-17-0x0000000001210000-0x0000000001225000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads