tofsee | a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3

General

Target

JaffaCakes118_a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3.exe
Size

238KB
MD5

1854bf09896c03053dbc0a9bb214d346
SHA1

7b5744d026e9a5f7965f1ebf3625070c638ea2ef
SHA256

a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3
SHA512

d261cd4150e913e7944df01592b255b021a51ecd2f6054f1db326acdd31b4b85989ae09221509e03977320d44e8f94dd2e05f9c3af48bbc009d93f9e6cde4cc4
SSDEEP

6144:pNeWb3UACOZBOzSc1OItX7ITsq7igavwVf:pN9b37tZBkvnX79

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
632	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\dlanaatw\ImagePath = "C:\\Windows\\SysWOW64\\dlanaatw\\qfgmzked.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_a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3.exe

Deletes itself 1 IoCs

pid	Process
3452	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3640	qfgmzked.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3640 set thread context of 3452	3640	qfgmzked.exe	101

Launches sc.exe 3 IoCs

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

pid	Process
4928	sc.exe
1460	sc.exe
364	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
3760	2324	WerFault.exe	82
4912	3640	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qfgmzked.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 5008	2324	JaffaCakes118_a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3.exe	83
PID 2324 wrote to memory of 5008	2324	JaffaCakes118_a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3.exe	83
PID 2324 wrote to memory of 5008	2324	JaffaCakes118_a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3.exe	83
PID 2324 wrote to memory of 3312	2324	JaffaCakes118_a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3.exe	85
PID 2324 wrote to memory of 3312	2324	JaffaCakes118_a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3.exe	85
PID 2324 wrote to memory of 3312	2324	JaffaCakes118_a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3.exe	85
PID 2324 wrote to memory of 4928	2324	JaffaCakes118_a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3.exe	87
PID 2324 wrote to memory of 4928	2324	JaffaCakes118_a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3.exe	87
PID 2324 wrote to memory of 4928	2324	JaffaCakes118_a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3.exe	87
PID 2324 wrote to memory of 1460	2324	JaffaCakes118_a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3.exe	89
PID 2324 wrote to memory of 1460	2324	JaffaCakes118_a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3.exe	89
PID 2324 wrote to memory of 1460	2324	JaffaCakes118_a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3.exe	89
PID 2324 wrote to memory of 364	2324	JaffaCakes118_a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3.exe	92
PID 2324 wrote to memory of 364	2324	JaffaCakes118_a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3.exe	92
PID 2324 wrote to memory of 364	2324	JaffaCakes118_a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3.exe	92
PID 2324 wrote to memory of 632	2324	JaffaCakes118_a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3.exe	95
PID 2324 wrote to memory of 632	2324	JaffaCakes118_a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3.exe	95
PID 2324 wrote to memory of 632	2324	JaffaCakes118_a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3.exe	95
PID 3640 wrote to memory of 3452	3640	qfgmzked.exe	101
PID 3640 wrote to memory of 3452	3640	qfgmzked.exe	101
PID 3640 wrote to memory of 3452	3640	qfgmzked.exe	101
PID 3640 wrote to memory of 3452	3640	qfgmzked.exe	101
PID 3640 wrote to memory of 3452	3640	qfgmzked.exe	101

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dlanaatw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5008
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qfgmzked.exe" C:\Windows\SysWOW64\dlanaatw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3312
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create dlanaatw binPath= "C:\Windows\SysWOW64\dlanaatw\qfgmzked.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:4928
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description dlanaatw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1460
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start dlanaatw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:364
- 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:632
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2324 -s 1040
  2⤵
  - Program crash
  PID:3760

C:\Windows\SysWOW64\dlanaatw\qfgmzked.exe
C:\Windows\SysWOW64\dlanaatw\qfgmzked.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a76073552688bcc6ca3de18c2e7e2394bfb2b3808f8a7d66f51e331373d332f3.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3640
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:3452
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3640 -s 512
  2⤵
  - Program crash
  PID:4912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2324 -ip 2324
1⤵
PID:3020

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 3640 -ip 3640
1⤵
PID:5000

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\qfgmzked.exe

Filesize
11.3MB

MD5
269d12354fd3c2eaa0b51152d0ac975f

SHA1
ef6bdf98ab0eface3d82b9aaa2bc8c31b7476439

SHA256
cc86a3e409e6c74eed47d956dbe65ae96698746271dd80eeb6d83fcf4b23302b

SHA512
819117b95b14bd53cf9885a375bd767576714b27e42f9aa4603b2619f2086e49aff21e5ce7597e6007138e1d7f33389439926c6b2c747cd8231af51e57dbb737

Download Submit
memory/2324-8-0x00000000021D0000-0x00000000021E3000-memory.dmp

Filesize
76KB

Download
memory/2324-6-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/2324-1-0x00000000021D0000-0x00000000021E3000-memory.dmp

Filesize
76KB

Download
memory/2324-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2324-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2324-0-0x00000000005F0000-0x00000000005FD000-memory.dmp

Filesize
52KB

Download
memory/2324-7-0x00000000005F0000-0x00000000005FD000-memory.dmp

Filesize
52KB

Download
memory/3452-16-0x0000000000610000-0x0000000000625000-memory.dmp

Filesize
84KB

Download
memory/3452-13-0x0000000000610000-0x0000000000625000-memory.dmp

Filesize
84KB

Download
memory/3452-15-0x0000000000610000-0x0000000000625000-memory.dmp

Filesize
84KB

Download
memory/3640-11-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3640-10-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3640-12-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/3640-18-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads