tofsee | d8a4de298fd1ec4e0b885949fa5d0375ca800281956875179a14e40d1c245278

General

Target

JaffaCakes118_d8a4de298fd1ec4e0b885949fa5d0375ca800281956875179a14e40d1c245278.exe
Size

219KB
MD5

48db79b89beb4b17fabcbb7d8704873a
SHA1

fd47d711e03b703937341a5ede33810601900963
SHA256

d8a4de298fd1ec4e0b885949fa5d0375ca800281956875179a14e40d1c245278
SHA512

2f76d3db69d906cfc4a154075ff92a4859c663dc8b24eac995d5822c4712744b0eb1092a3b0e3362687d999a4651c891460705aaa5bc2b2526afdda47bf7965b
SSDEEP

3072:uUlCE+24yoqJOes39Snq7Mhy/oJlpWrxpzbgqru+sxkgaBChp9EuI:XV+TyoqIehgMewnuzbgwu7iga+E

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
4180	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\dykvrgp\ImagePath = "C:\\Windows\\SysWOW64\\dykvrgp\\dwrdhwh.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	JaffaCakes118_d8a4de298fd1ec4e0b885949fa5d0375ca800281956875179a14e40d1c245278.exe

Deletes itself 1 IoCs

pid	Process
4036	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2452	dwrdhwh.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2452 set thread context of 4036	2452	dwrdhwh.exe	100

Launches sc.exe 3 IoCs

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

pid	Process
1636	sc.exe
4048	sc.exe
1084	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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2596	2452	WerFault.exe	96
768	1080	WerFault.exe	84

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	dwrdhwh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_d8a4de298fd1ec4e0b885949fa5d0375ca800281956875179a14e40d1c245278.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

description	pid	Process	procid_target
PID 1080 wrote to memory of 1444	1080	JaffaCakes118_d8a4de298fd1ec4e0b885949fa5d0375ca800281956875179a14e40d1c245278.exe	85
PID 1080 wrote to memory of 1444	1080	JaffaCakes118_d8a4de298fd1ec4e0b885949fa5d0375ca800281956875179a14e40d1c245278.exe	85
PID 1080 wrote to memory of 1444	1080	JaffaCakes118_d8a4de298fd1ec4e0b885949fa5d0375ca800281956875179a14e40d1c245278.exe	85
PID 1080 wrote to memory of 4016	1080	JaffaCakes118_d8a4de298fd1ec4e0b885949fa5d0375ca800281956875179a14e40d1c245278.exe	87
PID 1080 wrote to memory of 4016	1080	JaffaCakes118_d8a4de298fd1ec4e0b885949fa5d0375ca800281956875179a14e40d1c245278.exe	87
PID 1080 wrote to memory of 4016	1080	JaffaCakes118_d8a4de298fd1ec4e0b885949fa5d0375ca800281956875179a14e40d1c245278.exe	87
PID 1080 wrote to memory of 1636	1080	JaffaCakes118_d8a4de298fd1ec4e0b885949fa5d0375ca800281956875179a14e40d1c245278.exe	89
PID 1080 wrote to memory of 1636	1080	JaffaCakes118_d8a4de298fd1ec4e0b885949fa5d0375ca800281956875179a14e40d1c245278.exe	89
PID 1080 wrote to memory of 1636	1080	JaffaCakes118_d8a4de298fd1ec4e0b885949fa5d0375ca800281956875179a14e40d1c245278.exe	89
PID 1080 wrote to memory of 4048	1080	JaffaCakes118_d8a4de298fd1ec4e0b885949fa5d0375ca800281956875179a14e40d1c245278.exe	91
PID 1080 wrote to memory of 4048	1080	JaffaCakes118_d8a4de298fd1ec4e0b885949fa5d0375ca800281956875179a14e40d1c245278.exe	91
PID 1080 wrote to memory of 4048	1080	JaffaCakes118_d8a4de298fd1ec4e0b885949fa5d0375ca800281956875179a14e40d1c245278.exe	91
PID 1080 wrote to memory of 1084	1080	JaffaCakes118_d8a4de298fd1ec4e0b885949fa5d0375ca800281956875179a14e40d1c245278.exe	94
PID 1080 wrote to memory of 1084	1080	JaffaCakes118_d8a4de298fd1ec4e0b885949fa5d0375ca800281956875179a14e40d1c245278.exe	94
PID 1080 wrote to memory of 1084	1080	JaffaCakes118_d8a4de298fd1ec4e0b885949fa5d0375ca800281956875179a14e40d1c245278.exe	94
PID 1080 wrote to memory of 4180	1080	JaffaCakes118_d8a4de298fd1ec4e0b885949fa5d0375ca800281956875179a14e40d1c245278.exe	97
PID 1080 wrote to memory of 4180	1080	JaffaCakes118_d8a4de298fd1ec4e0b885949fa5d0375ca800281956875179a14e40d1c245278.exe	97
PID 1080 wrote to memory of 4180	1080	JaffaCakes118_d8a4de298fd1ec4e0b885949fa5d0375ca800281956875179a14e40d1c245278.exe	97
PID 2452 wrote to memory of 4036	2452	dwrdhwh.exe	100
PID 2452 wrote to memory of 4036	2452	dwrdhwh.exe	100
PID 2452 wrote to memory of 4036	2452	dwrdhwh.exe	100
PID 2452 wrote to memory of 4036	2452	dwrdhwh.exe	100
PID 2452 wrote to memory of 4036	2452	dwrdhwh.exe	100

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d8a4de298fd1ec4e0b885949fa5d0375ca800281956875179a14e40d1c245278.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d8a4de298fd1ec4e0b885949fa5d0375ca800281956875179a14e40d1c245278.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1080
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dykvrgp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1444
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\dwrdhwh.exe" C:\Windows\SysWOW64\dykvrgp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4016
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create dykvrgp binPath= "C:\Windows\SysWOW64\dykvrgp\dwrdhwh.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d8a4de298fd1ec4e0b885949fa5d0375ca800281956875179a14e40d1c245278.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1636
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description dykvrgp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4048
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start dykvrgp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1084
- 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:4180
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1080 -s 1044
  2⤵
  - Program crash
  PID:768

C:\Windows\SysWOW64\dykvrgp\dwrdhwh.exe
C:\Windows\SysWOW64\dykvrgp\dwrdhwh.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d8a4de298fd1ec4e0b885949fa5d0375ca800281956875179a14e40d1c245278.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2452
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4036
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2452 -s 520
  2⤵
  - Program crash
  PID:2596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2452 -ip 2452
1⤵
PID:4952

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 1080 -ip 1080
1⤵
PID:1312

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\dwrdhwh.exe

Filesize
14.2MB

MD5
500a7a2bdb51f2e98c8f3f386f57717e

SHA1
549b5ce52dc5250269e52eb7476d9529ed63da95

SHA256
a108c5b44724b95101deae873a54e468ef8b445291294758d53be372d2b8da5e

SHA512
b1e88492084cc9f503e724aab7a60d2e36103faf21e6027d13018830f7f93a281f7961ec1bf91651f708774098ed4fff4d00ec099e2b6e0e7d6674af78651943

Download Submit
memory/1080-14-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/1080-1-0x0000000000620000-0x0000000000633000-memory.dmp

Filesize
76KB

Download
memory/1080-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1080-0-0x0000000000610000-0x000000000061D000-memory.dmp

Filesize
52KB

Download
memory/1080-15-0x0000000000610000-0x000000000061D000-memory.dmp

Filesize
52KB

Download
memory/1080-16-0x0000000000620000-0x0000000000633000-memory.dmp

Filesize
76KB

Download
memory/1080-17-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2452-6-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2452-13-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/2452-7-0x0000000000400000-0x0000000000441000-memory.dmp

Filesize
260KB

Download
memory/4036-8-0x0000000000960000-0x0000000000975000-memory.dmp

Filesize
84KB

Download
memory/4036-11-0x0000000000960000-0x0000000000975000-memory.dmp

Filesize
84KB

Download
memory/4036-18-0x0000000000960000-0x0000000000975000-memory.dmp

Filesize
84KB

Download
memory/4036-19-0x0000000000960000-0x0000000000975000-memory.dmp

Filesize
84KB

Download
memory/4036-20-0x0000000000960000-0x0000000000975000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads