tofsee | 84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111

Analysis

max time kernel
146s
max time network
146s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 16:36

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General

Target

JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe
Size

242KB
MD5

68060a28246b07b1497bf57d26c5647d
SHA1

ad53b34a8a9789ea784975778d192d70b81aa35a
SHA256

84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111
SHA512

a73529a2209373b88cd5dce6d22061bdbb28f419a93531f19222e7e5bdf496ee07adbdc76b7aea473370374f36fcfab1993d4114901e283618c5da139158b700
SSDEEP

6144:LGZQQCr8GU7oXgvogF7QfhuGDN1x5AV0mV9caD:iZL17oXgvwfh75T5+VV9c

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\tzdlegbn = "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
2860	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\tzdlegbn\ImagePath = "C:\\Windows\\SysWOW64\\tzdlegbn\\zgepupdr.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2984	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2284	zgepupdr.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2284 set thread context of 2984	2284	zgepupdr.exe	44

Launches sc.exe 3 IoCs

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

pid	Process
1500	sc.exe
2500	sc.exe
2580	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	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.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	zgepupdr.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

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 2232	3068	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	30
PID 3068 wrote to memory of 2232	3068	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	30
PID 3068 wrote to memory of 2232	3068	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	30
PID 3068 wrote to memory of 2232	3068	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	30
PID 3068 wrote to memory of 2324	3068	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	32
PID 3068 wrote to memory of 2324	3068	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	32
PID 3068 wrote to memory of 2324	3068	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	32
PID 3068 wrote to memory of 2324	3068	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	32
PID 3068 wrote to memory of 2580	3068	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	34
PID 3068 wrote to memory of 2580	3068	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	34
PID 3068 wrote to memory of 2580	3068	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	34
PID 3068 wrote to memory of 2580	3068	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	34
PID 3068 wrote to memory of 1500	3068	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	36
PID 3068 wrote to memory of 1500	3068	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	36
PID 3068 wrote to memory of 1500	3068	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	36
PID 3068 wrote to memory of 1500	3068	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	36
PID 3068 wrote to memory of 2500	3068	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	38
PID 3068 wrote to memory of 2500	3068	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	38
PID 3068 wrote to memory of 2500	3068	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	38
PID 3068 wrote to memory of 2500	3068	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	38
PID 3068 wrote to memory of 2860	3068	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	41
PID 3068 wrote to memory of 2860	3068	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	41
PID 3068 wrote to memory of 2860	3068	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	41
PID 3068 wrote to memory of 2860	3068	JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe	41
PID 2284 wrote to memory of 2984	2284	zgepupdr.exe	44
PID 2284 wrote to memory of 2984	2284	zgepupdr.exe	44
PID 2284 wrote to memory of 2984	2284	zgepupdr.exe	44
PID 2284 wrote to memory of 2984	2284	zgepupdr.exe	44
PID 2284 wrote to memory of 2984	2284	zgepupdr.exe	44
PID 2284 wrote to memory of 2984	2284	zgepupdr.exe	44

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\tzdlegbn\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2232
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zgepupdr.exe" C:\Windows\SysWOW64\tzdlegbn\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2324
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create tzdlegbn binPath= "C:\Windows\SysWOW64\tzdlegbn\zgepupdr.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2580
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description tzdlegbn "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1500
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start tzdlegbn
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2500
- 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:2860

C:\Windows\SysWOW64\tzdlegbn\zgepupdr.exe
C:\Windows\SysWOW64\tzdlegbn\zgepupdr.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_84383ee34a3b4ea76512141e7591aad60c1932d7adac69cd47ac8e16ef3a8111.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2284
- 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:2984

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\zgepupdr.exe

Filesize
11.4MB

MD5
1241c907ad4f723d1e16597b97bb36e3

SHA1
bbc859aeac0ab493884b17f17aab65dc6d17b959

SHA256
137c8940237721dd0ff3daa9c4acfaacc318e08b1c2c03ee6fba751c9ef0044e

SHA512
f4d383b9964dcacb447e89181531fb2bb06cf5abfa61887b2aa3f670e7fedd1474b0411059f2169ee9b983b547ca7bafd6b7b401fe6befc135828f9bbe94a511

Download Submit
memory/2284-15-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/2984-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2984-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2984-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2984-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2984-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/3068-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3068-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3068-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/3068-8-0x0000000000400000-0x000000000044D000-memory.dmp

Filesize
308KB

Download
memory/3068-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/3068-1-0x00000000004F0000-0x00000000005F0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads