tofsee | 8474c154590f91174503b358198b2e29ded1f84dba0b959888c52c650539a091

Analysis

max time kernel
145s
max time network
149s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
31-10-2024 03:36

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General

Target

81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe
Size

10.0MB
MD5

81787095cda3a4cc5a550e14b1ba39e2
SHA1

8757a738ab8b2c72854aa1e6b7293466d1faf04e
SHA256

8474c154590f91174503b358198b2e29ded1f84dba0b959888c52c650539a091
SHA512

2d54a2ee159a1066cee35f1927c58df87ced67822bd9e98ad741e802c714f6df9247295f3af3b5e5c4631eccf4124f07f4e852809e48ea5a7ed3cc978f170f9a
SSDEEP

24576:mMOfbSPNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNZ:O

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\czhqzrpt = "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
2804	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\czhqzrpt\ImagePath = "C:\\Windows\\SysWOW64\\czhqzrpt\\nhdjuewc.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2256	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2704	nhdjuewc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2704 set thread context of 2256	2704	nhdjuewc.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2292	sc.exe
2892	sc.exe
264	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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nhdjuewc.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 1544	2368	81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe	30
PID 2368 wrote to memory of 1544	2368	81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe	30
PID 2368 wrote to memory of 1544	2368	81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe	30
PID 2368 wrote to memory of 1544	2368	81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe	30
PID 2368 wrote to memory of 2680	2368	81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe	32
PID 2368 wrote to memory of 2680	2368	81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe	32
PID 2368 wrote to memory of 2680	2368	81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe	32
PID 2368 wrote to memory of 2680	2368	81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe	32
PID 2368 wrote to memory of 2892	2368	81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe	34
PID 2368 wrote to memory of 2892	2368	81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe	34
PID 2368 wrote to memory of 2892	2368	81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe	34
PID 2368 wrote to memory of 2892	2368	81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe	34
PID 2368 wrote to memory of 264	2368	81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe	36
PID 2368 wrote to memory of 264	2368	81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe	36
PID 2368 wrote to memory of 264	2368	81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe	36
PID 2368 wrote to memory of 264	2368	81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe	36
PID 2368 wrote to memory of 2292	2368	81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe	38
PID 2368 wrote to memory of 2292	2368	81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe	38
PID 2368 wrote to memory of 2292	2368	81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe	38
PID 2368 wrote to memory of 2292	2368	81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe	38
PID 2368 wrote to memory of 2804	2368	81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe	41
PID 2368 wrote to memory of 2804	2368	81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe	41
PID 2368 wrote to memory of 2804	2368	81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe	41
PID 2368 wrote to memory of 2804	2368	81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe	41
PID 2704 wrote to memory of 2256	2704	nhdjuewc.exe	43
PID 2704 wrote to memory of 2256	2704	nhdjuewc.exe	43
PID 2704 wrote to memory of 2256	2704	nhdjuewc.exe	43
PID 2704 wrote to memory of 2256	2704	nhdjuewc.exe	43
PID 2704 wrote to memory of 2256	2704	nhdjuewc.exe	43
PID 2704 wrote to memory of 2256	2704	nhdjuewc.exe	43

C:\Users\Admin\AppData\Local\Temp\81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\czhqzrpt\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1544
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nhdjuewc.exe" C:\Windows\SysWOW64\czhqzrpt\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2680
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create czhqzrpt binPath= "C:\Windows\SysWOW64\czhqzrpt\nhdjuewc.exe /d\"C:\Users\Admin\AppData\Local\Temp\81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2892
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description czhqzrpt "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:264
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start czhqzrpt
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2292
- 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:2804

C:\Windows\SysWOW64\czhqzrpt\nhdjuewc.exe
C:\Windows\SysWOW64\czhqzrpt\nhdjuewc.exe /d"C:\Users\Admin\AppData\Local\Temp\81787095cda3a4cc5a550e14b1ba39e2_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2704
- 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:2256

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\nhdjuewc.exe

Filesize
11.7MB

MD5
8892cb679867addd6a1804bf5d060b00

SHA1
298f627f680697569f036347b1b515fa384d5aa2

SHA256
b659453deb3569fdcdd78d8e749738c018c4e7c2912454d4aa36111c4d763b53

SHA512
e44d89377e177862ba8234334c32856d28187cb19d93930befd38f6edd3f3e26b89a8e49e4c3e2b159c86590b9d52b1f785acf60bd72eb9e2d4344c8667cdd34

Download Submit
memory/2256-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2256-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2256-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2256-16-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2256-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2368-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2368-2-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2368-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2368-9-0x0000000000020000-0x0000000000033000-memory.dmp

Filesize
76KB

Download
memory/2368-8-0x0000000000400000-0x0000000002B8F000-memory.dmp

Filesize
39.6MB

Download
memory/2368-1-0x0000000002C30000-0x0000000002D30000-memory.dmp

Filesize
1024KB

Download
memory/2704-17-0x0000000000400000-0x0000000002B8F000-memory.dmp

Filesize
39.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads