tofsee | a92b6a93db7ea36d4f071381e834674f1287d12369cbfd4771de1d24c59e8098

General

Target

JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe
Size

11.9MB
MD5

7370c84625b2934f2a214248087ab8bc
SHA1

e619e61235e83135a3783b526e6c4ecfa3bee716
SHA256

a92b6a93db7ea36d4f071381e834674f1287d12369cbfd4771de1d24c59e8098
SHA512

cac3b6d9a0e4f2f532c36b9c545f91a27c8e7aa6647f1d065f6fb260098edc3f2d513b070fabfa03f44c46159a2b51ff189d7abfe98c14c73dc561972e93ad4c
SSDEEP

49152:tkHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH:

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
3956	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\wjqtjurs\ImagePath = "C:\\Windows\\SysWOW64\\wjqtjurs\\dqzwxcob.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe

Deletes itself 1 IoCs

pid	Process
1200	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
812	dqzwxcob.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 812 set thread context of 1200	812	dqzwxcob.exe	100

Launches sc.exe 3 IoCs

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

pid	Process
1688	sc.exe
1588	sc.exe
4408	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
2964	3536	WerFault.exe	82
2348	812	WerFault.exe	93

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	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.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
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	dqzwxcob.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3536 wrote to memory of 3860	3536	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	83
PID 3536 wrote to memory of 3860	3536	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	83
PID 3536 wrote to memory of 3860	3536	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	83
PID 3536 wrote to memory of 3000	3536	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	85
PID 3536 wrote to memory of 3000	3536	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	85
PID 3536 wrote to memory of 3000	3536	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	85
PID 3536 wrote to memory of 1688	3536	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	87
PID 3536 wrote to memory of 1688	3536	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	87
PID 3536 wrote to memory of 1688	3536	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	87
PID 3536 wrote to memory of 1588	3536	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	89
PID 3536 wrote to memory of 1588	3536	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	89
PID 3536 wrote to memory of 1588	3536	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	89
PID 3536 wrote to memory of 4408	3536	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	91
PID 3536 wrote to memory of 4408	3536	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	91
PID 3536 wrote to memory of 4408	3536	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	91
PID 3536 wrote to memory of 3956	3536	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	94
PID 3536 wrote to memory of 3956	3536	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	94
PID 3536 wrote to memory of 3956	3536	JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe	94
PID 812 wrote to memory of 1200	812	dqzwxcob.exe	100
PID 812 wrote to memory of 1200	812	dqzwxcob.exe	100
PID 812 wrote to memory of 1200	812	dqzwxcob.exe	100
PID 812 wrote to memory of 1200	812	dqzwxcob.exe	100
PID 812 wrote to memory of 1200	812	dqzwxcob.exe	100

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3536
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wjqtjurs\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3860
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dqzwxcob.exe" C:\Windows\SysWOW64\wjqtjurs\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3000
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wjqtjurs binPath= "C:\Windows\SysWOW64\wjqtjurs\dqzwxcob.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1688
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wjqtjurs "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1588
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wjqtjurs
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4408
- 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:3956
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3536 -s 680
  2⤵
  - Program crash
  PID:2964

C:\Windows\SysWOW64\wjqtjurs\dqzwxcob.exe
C:\Windows\SysWOW64\wjqtjurs\dqzwxcob.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7370c84625b2934f2a214248087ab8bc.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:812
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1200
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 812 -s 524
  2⤵
  - Program crash
  PID:2348

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3536 -ip 3536
1⤵
PID:2900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 812 -ip 812
1⤵
PID:1584

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\dqzwxcob.exe

Filesize
13.5MB

MD5
58c96cac97ebd822ad7be1274d5bccb1

SHA1
fd4a759cbe64f47aac53e2986eb30ccee044f42d

SHA256
70e10e0e9a41b2a5eabc89163aaa2c749dac597f380e01f92e6e08090008a57e

SHA512
8a29add3ec11d772bb7f26f6615a3c14cd040ca008105315aa9a9c34f2dc04e89b53b6ed9d58987205f082d5db1d7fefd977c5bb97d9f07dcdc6c07a3abd294f

Download Submit
memory/812-12-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/812-17-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/1200-11-0x0000000000360000-0x0000000000375000-memory.dmp

Filesize
84KB

Download
memory/1200-14-0x0000000000360000-0x0000000000375000-memory.dmp

Filesize
84KB

Download
memory/1200-15-0x0000000000360000-0x0000000000375000-memory.dmp

Filesize
84KB

Download
memory/3536-1-0x0000000000AD0000-0x0000000000BD0000-memory.dmp

Filesize
1024KB

Download
memory/3536-2-0x0000000000A30000-0x0000000000A43000-memory.dmp

Filesize
76KB

Download
memory/3536-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3536-8-0x0000000000400000-0x0000000000785000-memory.dmp

Filesize
3.5MB

Download
memory/3536-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3536-9-0x0000000000A30000-0x0000000000A43000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads