tofsee | 48ad47bd1cda58f6b29bf550b41d187242ddb7065ebc1f0f66ba74998084485b

General

Target

JaffaCakes118_48ad47bd1cda58f6b29bf550b41d187242ddb7065ebc1f0f66ba74998084485b.exe
Size

296KB
MD5

bfc0fc7b1de893238657f0a52605fa15
SHA1

83896faa60c96a7570cf9c6af784a2ca7ab9a93e
SHA256

48ad47bd1cda58f6b29bf550b41d187242ddb7065ebc1f0f66ba74998084485b
SHA512

1cacdc05423e5fcd2dbba3da9fca6aa0ab232cf20dd5046a52c038c7eb73661dbfd9d70339e62855e5c57c6c0bb87d61c44c90afd2f7d6410e2a506d6bf914f2
SSDEEP

3072:5bb4eNWRoLsGWOk+m4JsQAbtFplgJZO80t6mEndgUWrxpzbgqru:5f9W2Lswk+3+JzaQEdLuzbgwu

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

patmushta.info

parubey.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
1672	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\cgkfjctu\ImagePath = "C:\\Windows\\SysWOW64\\cgkfjctu\\xzhgwwqn.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_48ad47bd1cda58f6b29bf550b41d187242ddb7065ebc1f0f66ba74998084485b.exe

Deletes itself 1 IoCs

pid	Process
4028	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4416	xzhgwwqn.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4416 set thread context of 4028	4416	xzhgwwqn.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
3272	sc.exe
2736	sc.exe
844	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
4816	1344	WerFault.exe	82
368	4416	WerFault.exe	94

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	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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_48ad47bd1cda58f6b29bf550b41d187242ddb7065ebc1f0f66ba74998084485b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	xzhgwwqn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1344 wrote to memory of 1560	1344	JaffaCakes118_48ad47bd1cda58f6b29bf550b41d187242ddb7065ebc1f0f66ba74998084485b.exe	83
PID 1344 wrote to memory of 1560	1344	JaffaCakes118_48ad47bd1cda58f6b29bf550b41d187242ddb7065ebc1f0f66ba74998084485b.exe	83
PID 1344 wrote to memory of 1560	1344	JaffaCakes118_48ad47bd1cda58f6b29bf550b41d187242ddb7065ebc1f0f66ba74998084485b.exe	83
PID 1344 wrote to memory of 4396	1344	JaffaCakes118_48ad47bd1cda58f6b29bf550b41d187242ddb7065ebc1f0f66ba74998084485b.exe	85
PID 1344 wrote to memory of 4396	1344	JaffaCakes118_48ad47bd1cda58f6b29bf550b41d187242ddb7065ebc1f0f66ba74998084485b.exe	85
PID 1344 wrote to memory of 4396	1344	JaffaCakes118_48ad47bd1cda58f6b29bf550b41d187242ddb7065ebc1f0f66ba74998084485b.exe	85
PID 1344 wrote to memory of 3272	1344	JaffaCakes118_48ad47bd1cda58f6b29bf550b41d187242ddb7065ebc1f0f66ba74998084485b.exe	87
PID 1344 wrote to memory of 3272	1344	JaffaCakes118_48ad47bd1cda58f6b29bf550b41d187242ddb7065ebc1f0f66ba74998084485b.exe	87
PID 1344 wrote to memory of 3272	1344	JaffaCakes118_48ad47bd1cda58f6b29bf550b41d187242ddb7065ebc1f0f66ba74998084485b.exe	87
PID 1344 wrote to memory of 2736	1344	JaffaCakes118_48ad47bd1cda58f6b29bf550b41d187242ddb7065ebc1f0f66ba74998084485b.exe	90
PID 1344 wrote to memory of 2736	1344	JaffaCakes118_48ad47bd1cda58f6b29bf550b41d187242ddb7065ebc1f0f66ba74998084485b.exe	90
PID 1344 wrote to memory of 2736	1344	JaffaCakes118_48ad47bd1cda58f6b29bf550b41d187242ddb7065ebc1f0f66ba74998084485b.exe	90
PID 1344 wrote to memory of 844	1344	JaffaCakes118_48ad47bd1cda58f6b29bf550b41d187242ddb7065ebc1f0f66ba74998084485b.exe	92
PID 1344 wrote to memory of 844	1344	JaffaCakes118_48ad47bd1cda58f6b29bf550b41d187242ddb7065ebc1f0f66ba74998084485b.exe	92
PID 1344 wrote to memory of 844	1344	JaffaCakes118_48ad47bd1cda58f6b29bf550b41d187242ddb7065ebc1f0f66ba74998084485b.exe	92
PID 1344 wrote to memory of 1672	1344	JaffaCakes118_48ad47bd1cda58f6b29bf550b41d187242ddb7065ebc1f0f66ba74998084485b.exe	95
PID 1344 wrote to memory of 1672	1344	JaffaCakes118_48ad47bd1cda58f6b29bf550b41d187242ddb7065ebc1f0f66ba74998084485b.exe	95
PID 1344 wrote to memory of 1672	1344	JaffaCakes118_48ad47bd1cda58f6b29bf550b41d187242ddb7065ebc1f0f66ba74998084485b.exe	95
PID 4416 wrote to memory of 4028	4416	xzhgwwqn.exe	101
PID 4416 wrote to memory of 4028	4416	xzhgwwqn.exe	101
PID 4416 wrote to memory of 4028	4416	xzhgwwqn.exe	101
PID 4416 wrote to memory of 4028	4416	xzhgwwqn.exe	101
PID 4416 wrote to memory of 4028	4416	xzhgwwqn.exe	101

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_48ad47bd1cda58f6b29bf550b41d187242ddb7065ebc1f0f66ba74998084485b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_48ad47bd1cda58f6b29bf550b41d187242ddb7065ebc1f0f66ba74998084485b.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1344
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cgkfjctu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1560
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xzhgwwqn.exe" C:\Windows\SysWOW64\cgkfjctu\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4396
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create cgkfjctu binPath= "C:\Windows\SysWOW64\cgkfjctu\xzhgwwqn.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_48ad47bd1cda58f6b29bf550b41d187242ddb7065ebc1f0f66ba74998084485b.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3272
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description cgkfjctu "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2736
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start cgkfjctu
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:844
- 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:1672
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1344 -s 1200
  2⤵
  - Program crash
  PID:4816

C:\Windows\SysWOW64\cgkfjctu\xzhgwwqn.exe
C:\Windows\SysWOW64\cgkfjctu\xzhgwwqn.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_48ad47bd1cda58f6b29bf550b41d187242ddb7065ebc1f0f66ba74998084485b.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4416
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4028
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 520
  2⤵
  - Program crash
  PID:368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1344 -ip 1344
1⤵
PID:1576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4416 -ip 4416
1⤵
PID:2592

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\xzhgwwqn.exe

Filesize
12.3MB

MD5
8d7ab63121431679d3d911d227b51c1c

SHA1
b182e1acc427ea216fff8cb930d8995c4a402f5a

SHA256
03edb6bf53ce1cdebf08ba5439782a536ebe4d7f4deef4c7d8b9408b9e557baa

SHA512
4f80787d456dba845b9ade4102f1d25c990cc1ae37ff49db6450441d2555e0887e9249086004035cc6c955526572043ad55e2609d01464ec04f36918b18c0e6a

Download Submit
memory/1344-8-0x00000000021B0000-0x00000000021C3000-memory.dmp

Filesize
76KB

Download
memory/1344-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1344-1-0x00000000021B0000-0x00000000021C3000-memory.dmp

Filesize
76KB

Download
memory/1344-6-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/1344-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1344-0-0x00000000021A0000-0x00000000021AD000-memory.dmp

Filesize
52KB

Download
memory/1344-7-0x00000000021A0000-0x00000000021AD000-memory.dmp

Filesize
52KB

Download
memory/4028-13-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/4028-15-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/4028-16-0x0000000000A50000-0x0000000000A65000-memory.dmp

Filesize
84KB

Download
memory/4416-10-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4416-12-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4416-11-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download
memory/4416-18-0x0000000000400000-0x0000000000453000-memory.dmp

Filesize
332KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads