tofsee | c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 17:22

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General

Target

JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe
Size

164KB
MD5

587a7cf775cd8a74be2baccb695e31d4
SHA1

010568b6ae0c2ed0d9ff092be2520b3b524a5455
SHA256

c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f
SHA512

9975b441d733378a5f4be3b1d24e422a17ccfe5a5c5af5c2724676038aaffe465fe69323131e0c460bad9a1fcc18fa1154ff6bc3fd641a9aa56be40555952467
SSDEEP

3072:YRerFrOZe6EAoFOTSRKAIIOVFR28YNeP4mgFiByKEh2:Txrqe6OFiSkvIOVFQfmiiBIQ

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\wraganyp = "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
1928	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\wraganyp\ImagePath = "C:\\Windows\\SysWOW64\\wraganyp\\gdotrbyv.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
3000	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2848	gdotrbyv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2848 set thread context of 3000	2848	gdotrbyv.exe	42

Launches sc.exe 3 IoCs

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

pid	Process
2244	sc.exe
1304	sc.exe
1992	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gdotrbyv.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe
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	svchost.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 30 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 532	2412	JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe	31
PID 2412 wrote to memory of 532	2412	JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe	31
PID 2412 wrote to memory of 532	2412	JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe	31
PID 2412 wrote to memory of 532	2412	JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe	31
PID 2412 wrote to memory of 2296	2412	JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe	33
PID 2412 wrote to memory of 2296	2412	JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe	33
PID 2412 wrote to memory of 2296	2412	JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe	33
PID 2412 wrote to memory of 2296	2412	JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe	33
PID 2412 wrote to memory of 2244	2412	JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe	35
PID 2412 wrote to memory of 2244	2412	JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe	35
PID 2412 wrote to memory of 2244	2412	JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe	35
PID 2412 wrote to memory of 2244	2412	JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe	35
PID 2412 wrote to memory of 1304	2412	JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe	37
PID 2412 wrote to memory of 1304	2412	JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe	37
PID 2412 wrote to memory of 1304	2412	JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe	37
PID 2412 wrote to memory of 1304	2412	JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe	37
PID 2412 wrote to memory of 1992	2412	JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe	39
PID 2412 wrote to memory of 1992	2412	JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe	39
PID 2412 wrote to memory of 1992	2412	JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe	39
PID 2412 wrote to memory of 1992	2412	JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe	39
PID 2848 wrote to memory of 3000	2848	gdotrbyv.exe	42
PID 2848 wrote to memory of 3000	2848	gdotrbyv.exe	42
PID 2848 wrote to memory of 3000	2848	gdotrbyv.exe	42
PID 2848 wrote to memory of 3000	2848	gdotrbyv.exe	42
PID 2848 wrote to memory of 3000	2848	gdotrbyv.exe	42
PID 2848 wrote to memory of 3000	2848	gdotrbyv.exe	42
PID 2412 wrote to memory of 1928	2412	JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe	43
PID 2412 wrote to memory of 1928	2412	JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe	43
PID 2412 wrote to memory of 1928	2412	JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe	43
PID 2412 wrote to memory of 1928	2412	JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wraganyp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:532
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gdotrbyv.exe" C:\Windows\SysWOW64\wraganyp\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2296
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wraganyp binPath= "C:\Windows\SysWOW64\wraganyp\gdotrbyv.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2244
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wraganyp "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1304
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wraganyp
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1992
- 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:1928

C:\Windows\SysWOW64\wraganyp\gdotrbyv.exe
C:\Windows\SysWOW64\wraganyp\gdotrbyv.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_c1104189cca07cf7cacd699a5f1bf9389162586e6c65c1e9a52f9c3a1676021f.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2848
- 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:3000

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\gdotrbyv.exe

Filesize
14.5MB

MD5
f52a0ae48b85d21e58e5ef81fe3f442a

SHA1
f4aad387f90fd2cdca46061a7abc7174f92e7a05

SHA256
203e7a32847dfa8c7cb6d2a91482aa242a061e2ae765296f92c735b5acb2756a

SHA512
3e6918b641c407ead3de258e691e8678af33ce6dcf287ec80bc4a2137b2b5f86923c5d60584f4293c6d795fe3ec826ebcd38b2d6a662332cce861d7d0605e892

Download Submit
memory/2412-13-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2412-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2412-1-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2412-12-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2412-0-0x0000000000220000-0x000000000022D000-memory.dmp

Filesize
52KB

Download
memory/2412-15-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2412-14-0x0000000000230000-0x0000000000243000-memory.dmp

Filesize
76KB

Download
memory/2848-10-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/3000-9-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3000-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3000-6-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3000-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3000-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads