tofsee | a90655570c4a2d65f49238f26f55c26b9d759fb37e320879a4947925d6d39ae1

General

Target

f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe
Size

10.5MB
MD5

f3df43ba132bdf2b35e4cff404cf6822
SHA1

1b9098442468602824c455d02e8a168a5beba1f1
SHA256

a90655570c4a2d65f49238f26f55c26b9d759fb37e320879a4947925d6d39ae1
SHA512

7f9b79450deb76f4f989d06fe521ea4d1bcd7c2fc3d07c97e529b341dc28564db49ba05d99e66a79b6c110d25062c2655618827b02cd9a2de3708bc9728ea9a1
SSDEEP

6144:xTNLKg3DE+aImImImImImImImImImImImImImImImImImImImImImImImImImImY:XeO

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\SysWOW64\ppuhrxoj = "0"	svchost.exe

Creates new service(s) 1 TTPs
persistence

Windows Service
T1543.003
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

2736 netsh.exe

pid	process
2736	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\ppuhrxoj\ImagePath = "C:\\Windows\\SysWOW64\\ppuhrxoj\\gtpfnupz.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2572 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

gtpfnupz.exe

pid process

2712 gtpfnupz.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

gtpfnupz.exe

description pid process target process

PID 2712 set thread context of 2572 2712 gtpfnupz.exe svchost.exe
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exe

pid process

2608 sc.exe
3004 sc.exe
2996 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2572	svchost.exe

pid	process
2712	gtpfnupz.exe

description	pid	process	target process
PID 2712 set thread context of 2572	2712	gtpfnupz.exe	svchost.exe

pid	process
2608	sc.exe
3004	sc.exe
2996	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exegtpfnupz.exe

description	pid	process	target process
PID 2112 wrote to memory of 2192	2112	f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe	cmd.exe
PID 2112 wrote to memory of 2192	2112	f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe	cmd.exe
PID 2112 wrote to memory of 2192	2112	f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe	cmd.exe
PID 2112 wrote to memory of 2192	2112	f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe	cmd.exe
PID 2112 wrote to memory of 2984	2112	f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe	cmd.exe
PID 2112 wrote to memory of 2984	2112	f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe	cmd.exe
PID 2112 wrote to memory of 2984	2112	f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe	cmd.exe
PID 2112 wrote to memory of 2984	2112	f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe	cmd.exe
PID 2112 wrote to memory of 2608	2112	f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe	sc.exe
PID 2112 wrote to memory of 2608	2112	f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe	sc.exe
PID 2112 wrote to memory of 2608	2112	f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe	sc.exe
PID 2112 wrote to memory of 2608	2112	f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe	sc.exe
PID 2112 wrote to memory of 3004	2112	f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe	sc.exe
PID 2112 wrote to memory of 3004	2112	f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe	sc.exe
PID 2112 wrote to memory of 3004	2112	f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe	sc.exe
PID 2112 wrote to memory of 3004	2112	f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe	sc.exe
PID 2112 wrote to memory of 2996	2112	f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe	sc.exe
PID 2112 wrote to memory of 2996	2112	f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe	sc.exe
PID 2112 wrote to memory of 2996	2112	f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe	sc.exe
PID 2112 wrote to memory of 2996	2112	f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe	sc.exe
PID 2112 wrote to memory of 2736	2112	f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe	netsh.exe
PID 2112 wrote to memory of 2736	2112	f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe	netsh.exe
PID 2112 wrote to memory of 2736	2112	f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe	netsh.exe
PID 2112 wrote to memory of 2736	2112	f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe	netsh.exe
PID 2712 wrote to memory of 2572	2712	gtpfnupz.exe	svchost.exe
PID 2712 wrote to memory of 2572	2712	gtpfnupz.exe	svchost.exe
PID 2712 wrote to memory of 2572	2712	gtpfnupz.exe	svchost.exe
PID 2712 wrote to memory of 2572	2712	gtpfnupz.exe	svchost.exe
PID 2712 wrote to memory of 2572	2712	gtpfnupz.exe	svchost.exe
PID 2712 wrote to memory of 2572	2712	gtpfnupz.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2112

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ppuhrxoj\
2⤵
PID:2192

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\gtpfnupz.exe" C:\Windows\SysWOW64\ppuhrxoj\
2⤵
PID:2984

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create ppuhrxoj binPath= "C:\Windows\SysWOW64\ppuhrxoj\gtpfnupz.exe /d\"C:\Users\Admin\AppData\Local\Temp\f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2608

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description ppuhrxoj "wifi internet conection"
2⤵
- Launches sc.exe
PID:3004

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start ppuhrxoj
2⤵
- Launches sc.exe
PID:2996

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
PID:2736

C:\Windows\SysWOW64\ppuhrxoj\gtpfnupz.exe
C:\Windows\SysWOW64\ppuhrxoj\gtpfnupz.exe /d"C:\Users\Admin\AppData\Local\Temp\f3df43ba132bdf2b35e4cff404cf6822_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2712

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify System Firewall

1

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\gtpfnupz.exe
Filesize
12.6MB

MD5
48e71cb28236e02de95df31698cb06f5

SHA1
d20618b3194e8b6389580b415334aa9884eb18ac

SHA256
186165bf294e23f0a2891a8b2530e33470b78233924b2884618e5c6ead2ab5bb

SHA512
bfa5ec2a05d4ebe6ff87050beceaa010c81341471928109c37bb55836b8cde6b5f9fb7fa1267050008a6743a728fa227800b64da6272a4a43cde652cd241aa63

Download Submit
memory/2112-3-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2112-1-0x0000000002E90000-0x0000000002F90000-memory.dmp

Filesize
1024KB

Download
memory/2112-4-0x0000000000400000-0x0000000002CB9000-memory.dmp

Filesize
40.7MB

Download
memory/2112-8-0x0000000000400000-0x0000000002CB9000-memory.dmp

Filesize
40.7MB

Download
memory/2572-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2572-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2572-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2572-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2572-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2572-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2712-9-0x0000000002D40000-0x0000000002E40000-memory.dmp

Filesize
1024KB

Download
memory/2712-14-0x0000000000400000-0x0000000002CB9000-memory.dmp

Filesize
40.7MB

Download
memory/2712-15-0x0000000000400000-0x0000000002CB9000-memory.dmp

Filesize
40.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads