tofsee | bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79

Analysis

max time kernel
150s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-12-2024 20:09

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General

Target

JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe
Size

332KB
MD5

5cae962bf42ceb89add6497fb5fa455e
SHA1

bb28f06eeac89f3a38f9d5271c9cc121e94405ec
SHA256

bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79
SHA512

5a5e617152397ee13bae1d08983b9fdb4a0225369fea720ad01d9be5f5fcb8062103f65bdc1175b8db0a5f387b20470ea099fc8d0c3d5f37866c8606c57ff0cc
SSDEEP

6144:Hq80kju85cYfPli8mrak7BKQVKnaQ5ewuqHxxgNu:Hh0AugcsPli8mrak9KQgnaQju8x

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

mubrikych.top

oxxyfix.xyz

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\wajezry = "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
2772	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\wajezry\ImagePath = "C:\\Windows\\SysWOW64\\wajezry\\pltrecbi.exe"	svchost.exe

Deletes itself 1 IoCs

pid	Process
2576	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2080	pltrecbi.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2080 set thread context of 2576	2080	pltrecbi.exe	43

Launches sc.exe 3 IoCs

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

pid	Process
2748	sc.exe
2284	sc.exe
2480	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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pltrecbi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.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	JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2336	1976	JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe	30
PID 1976 wrote to memory of 2336	1976	JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe	30
PID 1976 wrote to memory of 2336	1976	JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe	30
PID 1976 wrote to memory of 2336	1976	JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe	30
PID 1976 wrote to memory of 2084	1976	JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe	32
PID 1976 wrote to memory of 2084	1976	JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe	32
PID 1976 wrote to memory of 2084	1976	JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe	32
PID 1976 wrote to memory of 2084	1976	JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe	32
PID 1976 wrote to memory of 2480	1976	JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe	34
PID 1976 wrote to memory of 2480	1976	JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe	34
PID 1976 wrote to memory of 2480	1976	JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe	34
PID 1976 wrote to memory of 2480	1976	JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe	34
PID 1976 wrote to memory of 2748	1976	JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe	36
PID 1976 wrote to memory of 2748	1976	JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe	36
PID 1976 wrote to memory of 2748	1976	JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe	36
PID 1976 wrote to memory of 2748	1976	JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe	36
PID 1976 wrote to memory of 2284	1976	JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe	38
PID 1976 wrote to memory of 2284	1976	JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe	38
PID 1976 wrote to memory of 2284	1976	JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe	38
PID 1976 wrote to memory of 2284	1976	JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe	38
PID 1976 wrote to memory of 2772	1976	JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe	41
PID 1976 wrote to memory of 2772	1976	JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe	41
PID 1976 wrote to memory of 2772	1976	JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe	41
PID 1976 wrote to memory of 2772	1976	JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe	41
PID 2080 wrote to memory of 2576	2080	pltrecbi.exe	43
PID 2080 wrote to memory of 2576	2080	pltrecbi.exe	43
PID 2080 wrote to memory of 2576	2080	pltrecbi.exe	43
PID 2080 wrote to memory of 2576	2080	pltrecbi.exe	43
PID 2080 wrote to memory of 2576	2080	pltrecbi.exe	43
PID 2080 wrote to memory of 2576	2080	pltrecbi.exe	43

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wajezry\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2336
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\pltrecbi.exe" C:\Windows\SysWOW64\wajezry\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2084
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wajezry binPath= "C:\Windows\SysWOW64\wajezry\pltrecbi.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2480
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wajezry "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2748
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wajezry
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2284
- 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:2772

C:\Windows\SysWOW64\wajezry\pltrecbi.exe
C:\Windows\SysWOW64\wajezry\pltrecbi.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bf1529d684825accdb60acd5f6f8fbe6bc819a705dcda07dd4f565fffdd46b79.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2080
- 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:2576

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\pltrecbi.exe

Filesize
14.2MB

MD5
c90a36aef88b9a24ebc131c427ff98ad

SHA1
9fa1749dcbc18050e16498c7b296a2f57b8aa1b9

SHA256
b8cf5c6a120a5d04106146ad492986322c479f46b572756fb27c81d13937fa06

SHA512
e349111e98f68f5b73ff8e8395b8e397a15b1570c806e70e357d2ac4c663a11c9ea0949cfb38aa5149f4d8d7b19198b34b4bd20c1fe38e4bf5ebac741229a303

Download Submit
memory/1976-7-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/1976-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1976-2-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1976-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1976-8-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/1976-1-0x0000000000660000-0x0000000000760000-memory.dmp

Filesize
1024KB

Download
memory/2080-15-0x0000000000400000-0x00000000004D4000-memory.dmp

Filesize
848KB

Download
memory/2576-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2576-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2576-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2576-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2576-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads