tofsee | a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22-12-2024 06:03

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General

Target

JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe
Size

165KB
MD5

9659c961b58202bc02849a619f0301cc
SHA1

874143f8e0d3fbe239b53e93635368e9cf600aaa
SHA256

a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436
SHA512

cd8016808d502de4b223d6789e864a3623dec43ffa0dac7a5fc088d2f00b69141bd54e9af020c43ec2dfe7c6be6e53f9fd83a65683311dee03751edd0ad4f097
SSDEEP

3072:wVebA+J1ZB4rE7coWgd+P+QKcdqd0Tnsie492:nbAS1Z+owoB06jusyk

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

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

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\bzwxrdmw = "0"	svchost.exe

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
2764	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\bzwxrdmw\ImagePath = "C:\\Windows\\SysWOW64\\bzwxrdmw\\qfgmzked.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2308	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2928	qfgmzked.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2928 set thread context of 2308	2928	qfgmzked.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2384	sc.exe
2352	sc.exe
2872	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

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	sc.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_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.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	cmd.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1692 wrote to memory of 2544	1692	JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe	30
PID 1692 wrote to memory of 2544	1692	JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe	30
PID 1692 wrote to memory of 2544	1692	JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe	30
PID 1692 wrote to memory of 2544	1692	JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe	30
PID 1692 wrote to memory of 2108	1692	JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe	32
PID 1692 wrote to memory of 2108	1692	JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe	32
PID 1692 wrote to memory of 2108	1692	JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe	32
PID 1692 wrote to memory of 2108	1692	JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe	32
PID 1692 wrote to memory of 2384	1692	JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe	34
PID 1692 wrote to memory of 2384	1692	JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe	34
PID 1692 wrote to memory of 2384	1692	JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe	34
PID 1692 wrote to memory of 2384	1692	JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe	34
PID 1692 wrote to memory of 2352	1692	JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe	36
PID 1692 wrote to memory of 2352	1692	JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe	36
PID 1692 wrote to memory of 2352	1692	JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe	36
PID 1692 wrote to memory of 2352	1692	JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe	36
PID 1692 wrote to memory of 2872	1692	JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe	38
PID 1692 wrote to memory of 2872	1692	JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe	38
PID 1692 wrote to memory of 2872	1692	JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe	38
PID 1692 wrote to memory of 2872	1692	JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe	38
PID 1692 wrote to memory of 2764	1692	JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe	41
PID 1692 wrote to memory of 2764	1692	JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe	41
PID 1692 wrote to memory of 2764	1692	JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe	41
PID 1692 wrote to memory of 2764	1692	JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe	41
PID 2928 wrote to memory of 2308	2928	qfgmzked.exe	43
PID 2928 wrote to memory of 2308	2928	qfgmzked.exe	43
PID 2928 wrote to memory of 2308	2928	qfgmzked.exe	43
PID 2928 wrote to memory of 2308	2928	qfgmzked.exe	43
PID 2928 wrote to memory of 2308	2928	qfgmzked.exe	43
PID 2928 wrote to memory of 2308	2928	qfgmzked.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1692
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\bzwxrdmw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2544
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qfgmzked.exe" C:\Windows\SysWOW64\bzwxrdmw\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2108
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create bzwxrdmw binPath= "C:\Windows\SysWOW64\bzwxrdmw\qfgmzked.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2384
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description bzwxrdmw "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2352
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start bzwxrdmw
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2872
- 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:2764

C:\Windows\SysWOW64\bzwxrdmw\qfgmzked.exe
C:\Windows\SysWOW64\bzwxrdmw\qfgmzked.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a36d863f97755c43149b33e14b468f5227796c563a7d8cc4b7802e5a05899436.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2928
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Windows security bypass
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2308

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
12.1MB

MD5
16a4a0ac8002238070180e142df43ac1

SHA1
f7638cd2875c782663d1a68462ef15b77028871a

SHA256
992ce1aeb043ba12920d9292966d354118f8eb21551d3bd5744f28fb1f999487

SHA512
9d4955d350463a9412a03b0b7c6c9b5118882f858925e36bfff27cfde33eeafcc53a3810434343ccbf09066811a97dd22f2e1deb1b27d2023a62ac97002674ae

Download Submit
memory/1692-7-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/1692-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1692-1-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/1692-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1692-8-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/1692-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/1692-6-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2308-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2308-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2308-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2308-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2308-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2928-16-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads