tofsee | b2eb1eeaf6d84c8e877b366a85c7834453c04e63c0c027b0e014c62e42b69f07

General

Target

f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe
Size

12.2MB
MD5

f2d6bac2f4208d668b547848b5b846a6
SHA1

1dc64444c82eb91d175bd0490eb5147c959a5dca
SHA256

b2eb1eeaf6d84c8e877b366a85c7834453c04e63c0c027b0e014c62e42b69f07
SHA512

2efb885ca1f37d7789d6545d91ac50102f29179c84fef558e1a8655b50ba8b17eeb6d17019e535b4bed91a9841812c5701f8a6d497a652c2ed00b4506ae9146d
SSDEEP

49152:w7JggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggI:

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

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\uyeabjxr = "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

2672 netsh.exe

pid	process
2672	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\uyeabjxr\ImagePath = "C:\\Windows\\SysWOW64\\uyeabjxr\\saptgenn.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2496 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

saptgenn.exe

pid process

2640 saptgenn.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

saptgenn.exe

description pid process target process

PID 2640 set thread context of 2496 2640 saptgenn.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

2580 sc.exe
2536 sc.exe
3040 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2496	svchost.exe

pid	process
2640	saptgenn.exe

description	pid	process	target process
PID 2640 set thread context of 2496	2640	saptgenn.exe	svchost.exe

pid	process
2580	sc.exe
2536	sc.exe
3040	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exesaptgenn.exe

description	pid	process	target process
PID 2012 wrote to memory of 2204	2012	f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe	cmd.exe
PID 2012 wrote to memory of 2204	2012	f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe	cmd.exe
PID 2012 wrote to memory of 2204	2012	f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe	cmd.exe
PID 2012 wrote to memory of 2204	2012	f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe	cmd.exe
PID 2012 wrote to memory of 2476	2012	f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe	cmd.exe
PID 2012 wrote to memory of 2476	2012	f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe	cmd.exe
PID 2012 wrote to memory of 2476	2012	f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe	cmd.exe
PID 2012 wrote to memory of 2476	2012	f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe	cmd.exe
PID 2012 wrote to memory of 2580	2012	f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe	sc.exe
PID 2012 wrote to memory of 2580	2012	f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe	sc.exe
PID 2012 wrote to memory of 2580	2012	f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe	sc.exe
PID 2012 wrote to memory of 2580	2012	f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe	sc.exe
PID 2012 wrote to memory of 2536	2012	f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe	sc.exe
PID 2012 wrote to memory of 2536	2012	f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe	sc.exe
PID 2012 wrote to memory of 2536	2012	f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe	sc.exe
PID 2012 wrote to memory of 2536	2012	f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe	sc.exe
PID 2012 wrote to memory of 3040	2012	f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe	sc.exe
PID 2012 wrote to memory of 3040	2012	f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe	sc.exe
PID 2012 wrote to memory of 3040	2012	f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe	sc.exe
PID 2012 wrote to memory of 3040	2012	f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe	sc.exe
PID 2012 wrote to memory of 2672	2012	f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe	netsh.exe
PID 2012 wrote to memory of 2672	2012	f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe	netsh.exe
PID 2012 wrote to memory of 2672	2012	f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe	netsh.exe
PID 2012 wrote to memory of 2672	2012	f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe	netsh.exe
PID 2640 wrote to memory of 2496	2640	saptgenn.exe	svchost.exe
PID 2640 wrote to memory of 2496	2640	saptgenn.exe	svchost.exe
PID 2640 wrote to memory of 2496	2640	saptgenn.exe	svchost.exe
PID 2640 wrote to memory of 2496	2640	saptgenn.exe	svchost.exe
PID 2640 wrote to memory of 2496	2640	saptgenn.exe	svchost.exe
PID 2640 wrote to memory of 2496	2640	saptgenn.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2012

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\uyeabjxr\
2⤵
PID:2204

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\saptgenn.exe" C:\Windows\SysWOW64\uyeabjxr\
2⤵
PID:2476

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create uyeabjxr binPath= "C:\Windows\SysWOW64\uyeabjxr\saptgenn.exe /d\"C:\Users\Admin\AppData\Local\Temp\f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2580

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description uyeabjxr "wifi internet conection"
2⤵
- Launches sc.exe
PID:2536

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start uyeabjxr
2⤵
- Launches sc.exe
PID:3040

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:2672

C:\Windows\SysWOW64\uyeabjxr\saptgenn.exe
C:\Windows\SysWOW64\uyeabjxr\saptgenn.exe /d"C:\Users\Admin\AppData\Local\Temp\f2d6bac2f4208d668b547848b5b846a6_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2640

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2496

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Impair Defenses

2

T1562

Disable or Modify Tools

1

T1562.001

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\saptgenn.exe
Filesize
14.4MB

MD5
a9ef4c6b47d766dd6ca4000079f5054a

SHA1
73afe957f0f28b9bfb7fa52bb0dd5df3b81fdcb9

SHA256
69e24e80388671b24dfd23fb53e444cf0e865da82970f99cdad470b66958451c

SHA512
5e843c0b0bc04f7ff41d1c472b5be4d67777277644e68dbbe79497bc3a26031de3d50e331820dee102e8b29b852e014affbd772bf3169003ecbd4d7b719eaf82

Download Submit
memory/2012-3-0x0000000000220000-0x0000000000233000-memory.dmp

Filesize
76KB

Download
memory/2012-4-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2012-1-0x0000000000630000-0x0000000000730000-memory.dmp

Filesize
1024KB

Download
memory/2012-8-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2496-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2496-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2496-14-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2496-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2496-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2496-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2496-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2496-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2640-15-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2640-9-0x00000000005C0000-0x00000000006C0000-memory.dmp

Filesize
1024KB

Download
memory/2640-10-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads