tofsee | 14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2

Analysis

max time kernel
148s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 00:02

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General

Target

JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe
Size

294KB
MD5

f762df0ed1bb2b3fcfcf31127038780c
SHA1

92508e1b8e3de24fb705cecb9ec15c8200a71ac4
SHA256

14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2
SHA512

9cbc2d7c59fddb141f1f858c7ef2e0e720bf974e947e3bfcaaf7e63d4064005b2eedaab29cfe5385a32f905e307c4d536d34fcdf7dfe410d082c053dc4aa3dea
SSDEEP

6144:vuSscn6byernqIeA+ZyCVZWmZGSXuZet0yy8YobdBSpKjE/:WL0eGVZJGSXuZet0yy8YSSp9

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\qdkqnzvm = "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
2252	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\qdkqnzvm\ImagePath = "C:\\Windows\\SysWOW64\\qdkqnzvm\\yaujfbxo.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2644	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2744	yaujfbxo.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2744 set thread context of 2644	2744	yaujfbxo.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2904	sc.exe
2804	sc.exe
2368	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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	yaujfbxo.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2304 wrote to memory of 2988	2304	JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe	30
PID 2304 wrote to memory of 2988	2304	JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe	30
PID 2304 wrote to memory of 2988	2304	JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe	30
PID 2304 wrote to memory of 2988	2304	JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe	30
PID 2304 wrote to memory of 1928	2304	JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe	32
PID 2304 wrote to memory of 1928	2304	JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe	32
PID 2304 wrote to memory of 1928	2304	JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe	32
PID 2304 wrote to memory of 1928	2304	JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe	32
PID 2304 wrote to memory of 2804	2304	JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe	34
PID 2304 wrote to memory of 2804	2304	JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe	34
PID 2304 wrote to memory of 2804	2304	JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe	34
PID 2304 wrote to memory of 2804	2304	JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe	34
PID 2304 wrote to memory of 2368	2304	JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe	36
PID 2304 wrote to memory of 2368	2304	JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe	36
PID 2304 wrote to memory of 2368	2304	JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe	36
PID 2304 wrote to memory of 2368	2304	JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe	36
PID 2304 wrote to memory of 2904	2304	JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe	38
PID 2304 wrote to memory of 2904	2304	JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe	38
PID 2304 wrote to memory of 2904	2304	JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe	38
PID 2304 wrote to memory of 2904	2304	JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe	38
PID 2304 wrote to memory of 2252	2304	JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe	41
PID 2304 wrote to memory of 2252	2304	JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe	41
PID 2304 wrote to memory of 2252	2304	JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe	41
PID 2304 wrote to memory of 2252	2304	JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe	41
PID 2744 wrote to memory of 2644	2744	yaujfbxo.exe	43
PID 2744 wrote to memory of 2644	2744	yaujfbxo.exe	43
PID 2744 wrote to memory of 2644	2744	yaujfbxo.exe	43
PID 2744 wrote to memory of 2644	2744	yaujfbxo.exe	43
PID 2744 wrote to memory of 2644	2744	yaujfbxo.exe	43
PID 2744 wrote to memory of 2644	2744	yaujfbxo.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2304
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qdkqnzvm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2988
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\yaujfbxo.exe" C:\Windows\SysWOW64\qdkqnzvm\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1928
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create qdkqnzvm binPath= "C:\Windows\SysWOW64\qdkqnzvm\yaujfbxo.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2804
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description qdkqnzvm "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2368
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start qdkqnzvm
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2904
- 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:2252

C:\Windows\SysWOW64\qdkqnzvm\yaujfbxo.exe
C:\Windows\SysWOW64\qdkqnzvm\yaujfbxo.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_14849372bfd7471f0684c9953a212f3374b7ab1fe9c374aaae7e08d37437a9a2.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2744
- 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:2644

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\yaujfbxo.exe

Filesize
11.6MB

MD5
786730360f0ea6a3c75ec84e5524c79a

SHA1
be6bd85d2c61cef9957707385b537fa310f812ef

SHA256
e0efe8c13f4221a73259ba42979e249f5c3970137c84dbebd08365417d05b8e0

SHA512
bfed3b58daa6307ae3aa11ec9a334e3d5f95ee934a0badabe0b961da01ecd9b747b11dfde4b6c5a2fda94054c79e7ac286cf92ddaa2982f10c7dd263cb33f74b

Download Submit
memory/2304-8-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2304-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2304-2-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2304-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2304-7-0x0000000000400000-0x0000000001BFF000-memory.dmp

Filesize
24.0MB

Download
memory/2304-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/2644-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2644-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2644-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2644-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2644-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2744-17-0x0000000000400000-0x0000000001BFF000-memory.dmp

Filesize
24.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads