tofsee | 4bffe2b9bd86fef9e9dc978c0b66a5ed3b5fe89fbcbc7fc89e77360be9a6fae8

General

Target

02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exe
Size

10.4MB
MD5

02ee7e829fc9d96448059a4ac56a7d91
SHA1

7685d37ff675095c57a4c0885d4ce83c2399eee6
SHA256

4bffe2b9bd86fef9e9dc978c0b66a5ed3b5fe89fbcbc7fc89e77360be9a6fae8
SHA512

6e0d134641aaa622e19451f37d74085a80c4e76c47aa5e04b45cc0eb30a7832f8d582516d8655c62dc79df5010e55e00fa79b744a2a8826f1220d43c8163baa5
SSDEEP

196608:nmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmD:nmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmD

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
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

Processes:

netsh.exe

pid process

1348 netsh.exe

pid	process
1348	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\qudlelod\ImagePath = "C:\\Windows\\SysWOW64\\qudlelod\\kpldbeq.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

Processes:

02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation	02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

1084 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

kpldbeq.exe

pid process

4396 kpldbeq.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

kpldbeq.exe

description pid process target process

PID 4396 set thread context of 1084 4396 kpldbeq.exe svchost.exe
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exe

pid process

1972 sc.exe
1828 sc.exe
3924 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1084	svchost.exe

pid	process
4396	kpldbeq.exe

description	pid	process	target process
PID 4396 set thread context of 1084	4396	kpldbeq.exe	svchost.exe

pid	process
1972	sc.exe
1828	sc.exe
3924	sc.exe

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

Processes:

netsh.exe

description	ioc	process
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

4472 4604 WerFault.exe 02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exe
2060 4396 WerFault.exe kpldbeq.exe

pid	pid_target	process	target process
4472	4604	WerFault.exe	02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exe
2060	4396	WerFault.exe	kpldbeq.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

Processes:

02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.execmd.exesc.exekpldbeq.exesvchost.execmd.exesc.exesc.exenetsh.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.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	kpldbeq.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	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exekpldbeq.exe

description	pid	process	target process
PID 4604 wrote to memory of 932	4604	02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exe	cmd.exe
PID 4604 wrote to memory of 932	4604	02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exe	cmd.exe
PID 4604 wrote to memory of 932	4604	02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exe	cmd.exe
PID 4604 wrote to memory of 4568	4604	02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exe	cmd.exe
PID 4604 wrote to memory of 4568	4604	02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exe	cmd.exe
PID 4604 wrote to memory of 4568	4604	02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exe	cmd.exe
PID 4604 wrote to memory of 1972	4604	02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exe	sc.exe
PID 4604 wrote to memory of 1972	4604	02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exe	sc.exe
PID 4604 wrote to memory of 1972	4604	02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exe	sc.exe
PID 4604 wrote to memory of 1828	4604	02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exe	sc.exe
PID 4604 wrote to memory of 1828	4604	02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exe	sc.exe
PID 4604 wrote to memory of 1828	4604	02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exe	sc.exe
PID 4604 wrote to memory of 3924	4604	02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exe	sc.exe
PID 4604 wrote to memory of 3924	4604	02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exe	sc.exe
PID 4604 wrote to memory of 3924	4604	02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exe	sc.exe
PID 4604 wrote to memory of 1348	4604	02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exe	netsh.exe
PID 4604 wrote to memory of 1348	4604	02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exe	netsh.exe
PID 4604 wrote to memory of 1348	4604	02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exe	netsh.exe
PID 4396 wrote to memory of 1084	4396	kpldbeq.exe	svchost.exe
PID 4396 wrote to memory of 1084	4396	kpldbeq.exe	svchost.exe
PID 4396 wrote to memory of 1084	4396	kpldbeq.exe	svchost.exe
PID 4396 wrote to memory of 1084	4396	kpldbeq.exe	svchost.exe
PID 4396 wrote to memory of 1084	4396	kpldbeq.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4604
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qudlelod\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:932
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\kpldbeq.exe" C:\Windows\SysWOW64\qudlelod\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4568
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qudlelod binPath= "C:\Windows\SysWOW64\qudlelod\kpldbeq.exe /d\"C:\Users\Admin\AppData\Local\Temp\02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1972
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qudlelod "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1828
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qudlelod
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3924
- 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:1348
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4604 -s 1224
  2⤵
  - Program crash
  PID:4472

C:\Windows\SysWOW64\qudlelod\kpldbeq.exe
C:\Windows\SysWOW64\qudlelod\kpldbeq.exe /d"C:\Users\Admin\AppData\Local\Temp\02ee7e829fc9d96448059a4ac56a7d91_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4396
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1084
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4396 -s 508
  2⤵
  - Program crash
  PID:2060

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4604 -ip 4604
1⤵
PID:2328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 4396 -ip 4396
1⤵
PID:336

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\kpldbeq.exe

Filesize
13.0MB

MD5
ac3be45316d43bc75526aa27f4ea349c

SHA1
778923852d7d9e59933656e7830485a31e1773bf

SHA256
4032eaa2decd64811f08291067dba0ccaf46ae1a05d891065036e2d62ae50b6d

SHA512
75918e68c59fcc5bacb257ef6ffe70f57f2e7257cd2ebe8646ee411f277fcabb38b4469011bb52d4603b5b988db46b23a938276a5bef39e57749275f9844aefc

Download Submit
memory/1084-14-0x00000000007A0000-0x00000000007B5000-memory.dmp

Filesize
84KB

Download
memory/1084-17-0x00000000007A0000-0x00000000007B5000-memory.dmp

Filesize
84KB

Download
memory/1084-16-0x00000000007A0000-0x00000000007B5000-memory.dmp

Filesize
84KB

Download
memory/4396-13-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4396-11-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4396-12-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4396-19-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4604-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4604-8-0x0000000000400000-0x0000000000455000-memory.dmp

Filesize
340KB

Download
memory/4604-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/4604-9-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/4604-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4604-1-0x00000000005F0000-0x00000000006F0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads