tofsee | e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3

Analysis

max time kernel
147s
max time network
146s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 02:05

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General

Target

JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe
Size

198KB
MD5

9f36cc0f500a4336e45f79d02b7c93bf
SHA1

8b2c7738359e872dce4f0ed77f496eeab3f74ec3
SHA256

e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3
SHA512

33085d6f1ee3007fa665f2a4a3ca77bdc1bafbee84793569bd8aa37f6f06e8f54c85dd16fa184e5698bc2ce3f9047de4f38387c05b6e060891d528afd86aba7e
SSDEEP

3072:fe68IejEfEJVHXvOZhG5uiMx4eqW3J4X/4qfP3f8DEbLB6klGfLIQVNWBz:fe2ewf4lfdyNdqfn8DEbLB6k8Txql

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

defeatwax.ru

refabyd.info

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\slidurij = "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
2808	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\slidurij\ImagePath = "C:\\Windows\\SysWOW64\\slidurij\\iubvagtb.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2704	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2824	iubvagtb.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2824 set thread context of 2704	2824	iubvagtb.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
2860	sc.exe
2544	sc.exe
2904	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	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_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.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	iubvagtb.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 1508	2352	JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe	31
PID 2352 wrote to memory of 1508	2352	JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe	31
PID 2352 wrote to memory of 1508	2352	JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe	31
PID 2352 wrote to memory of 1508	2352	JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe	31
PID 2352 wrote to memory of 2496	2352	JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe	33
PID 2352 wrote to memory of 2496	2352	JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe	33
PID 2352 wrote to memory of 2496	2352	JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe	33
PID 2352 wrote to memory of 2496	2352	JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe	33
PID 2352 wrote to memory of 2860	2352	JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe	35
PID 2352 wrote to memory of 2860	2352	JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe	35
PID 2352 wrote to memory of 2860	2352	JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe	35
PID 2352 wrote to memory of 2860	2352	JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe	35
PID 2352 wrote to memory of 2544	2352	JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe	37
PID 2352 wrote to memory of 2544	2352	JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe	37
PID 2352 wrote to memory of 2544	2352	JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe	37
PID 2352 wrote to memory of 2544	2352	JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe	37
PID 2352 wrote to memory of 2904	2352	JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe	39
PID 2352 wrote to memory of 2904	2352	JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe	39
PID 2352 wrote to memory of 2904	2352	JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe	39
PID 2352 wrote to memory of 2904	2352	JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe	39
PID 2352 wrote to memory of 2808	2352	JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe	42
PID 2352 wrote to memory of 2808	2352	JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe	42
PID 2352 wrote to memory of 2808	2352	JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe	42
PID 2352 wrote to memory of 2808	2352	JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe	42
PID 2824 wrote to memory of 2704	2824	iubvagtb.exe	44
PID 2824 wrote to memory of 2704	2824	iubvagtb.exe	44
PID 2824 wrote to memory of 2704	2824	iubvagtb.exe	44
PID 2824 wrote to memory of 2704	2824	iubvagtb.exe	44
PID 2824 wrote to memory of 2704	2824	iubvagtb.exe	44
PID 2824 wrote to memory of 2704	2824	iubvagtb.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2352
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\slidurij\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1508
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\iubvagtb.exe" C:\Windows\SysWOW64\slidurij\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2496
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create slidurij binPath= "C:\Windows\SysWOW64\slidurij\iubvagtb.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2860
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description slidurij "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2544
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start slidurij
  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:2808

C:\Windows\SysWOW64\slidurij\iubvagtb.exe
C:\Windows\SysWOW64\slidurij\iubvagtb.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_e8a8a3ec0c1434244877d35b5c6c70ebd567d6b05cf4aa6920e5583cbe1368a3.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2824
- 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:2704

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\iubvagtb.exe

Filesize
14.1MB

MD5
e03eea1d90629a25076915cd337c8814

SHA1
f469d29638db517d204493162f3d6a1f1b5a7460

SHA256
c73774ccec5f94ce49afe0b7a34f81f0ce547b1c5d6acaa9d3c8bda7babda7db

SHA512
c408556bef97787623cafcf14a1fe566039a2cae6cbc94ae2e88b693b9ae5f9b329f03959a06cc9fb9d6de458343fd00ac85c13d59204d77db24a872c1e89d57

Download Submit
memory/2352-1-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2352-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2352-4-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2352-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2352-9-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2704-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2704-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2704-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2704-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2704-16-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2704-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2824-15-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads