tofsee | 2127d8998f0d3f04259848e7f11e6353cf71078cacfd2c23b6276323cead9718

General

Target

f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe
Size

14.8MB
MD5

f2e83482658169cfb723595f03ed4c73
SHA1

5974b5b2d036ab80ac3a823406e69d1e56a930f7
SHA256

2127d8998f0d3f04259848e7f11e6353cf71078cacfd2c23b6276323cead9718
SHA512

b7a6e94181f7edc606fbc6aa0f8f768f7a684c6f13a8d945fe5b749f8a689b9a90d27bd01cd4ae74a7498a03d67ecd0d585eb4b3555ce20b78176bac17736a6f
SSDEEP

6144:gvk9RADRUv1CCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC3:ZRAD

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\qvcanwup = "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

2648 netsh.exe

pid	process
2648	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\qvcanwup\ImagePath = "C:\\Windows\\SysWOW64\\qvcanwup\\nwonwimd.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2664 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

nwonwimd.exe

pid process

2680 nwonwimd.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

nwonwimd.exe

description pid process target process

PID 2680 set thread context of 2664 2680 nwonwimd.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

2632 sc.exe
2768 sc.exe
3068 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2664	svchost.exe

pid	process
2680	nwonwimd.exe

description	pid	process	target process
PID 2680 set thread context of 2664	2680	nwonwimd.exe	svchost.exe

pid	process
2632	sc.exe
2768	sc.exe
3068	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exenwonwimd.exe

description	pid	process	target process
PID 3040 wrote to memory of 2144	3040	f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe	cmd.exe
PID 3040 wrote to memory of 2144	3040	f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe	cmd.exe
PID 3040 wrote to memory of 2144	3040	f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe	cmd.exe
PID 3040 wrote to memory of 2144	3040	f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe	cmd.exe
PID 3040 wrote to memory of 2516	3040	f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe	cmd.exe
PID 3040 wrote to memory of 2516	3040	f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe	cmd.exe
PID 3040 wrote to memory of 2516	3040	f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe	cmd.exe
PID 3040 wrote to memory of 2516	3040	f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe	cmd.exe
PID 3040 wrote to memory of 2768	3040	f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe	sc.exe
PID 3040 wrote to memory of 2768	3040	f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe	sc.exe
PID 3040 wrote to memory of 2768	3040	f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe	sc.exe
PID 3040 wrote to memory of 2768	3040	f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe	sc.exe
PID 3040 wrote to memory of 3068	3040	f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe	sc.exe
PID 3040 wrote to memory of 3068	3040	f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe	sc.exe
PID 3040 wrote to memory of 3068	3040	f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe	sc.exe
PID 3040 wrote to memory of 3068	3040	f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe	sc.exe
PID 3040 wrote to memory of 2632	3040	f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe	sc.exe
PID 3040 wrote to memory of 2632	3040	f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe	sc.exe
PID 3040 wrote to memory of 2632	3040	f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe	sc.exe
PID 3040 wrote to memory of 2632	3040	f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe	sc.exe
PID 2680 wrote to memory of 2664	2680	nwonwimd.exe	svchost.exe
PID 2680 wrote to memory of 2664	2680	nwonwimd.exe	svchost.exe
PID 2680 wrote to memory of 2664	2680	nwonwimd.exe	svchost.exe
PID 2680 wrote to memory of 2664	2680	nwonwimd.exe	svchost.exe
PID 2680 wrote to memory of 2664	2680	nwonwimd.exe	svchost.exe
PID 2680 wrote to memory of 2664	2680	nwonwimd.exe	svchost.exe
PID 3040 wrote to memory of 2648	3040	f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe	netsh.exe
PID 3040 wrote to memory of 2648	3040	f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe	netsh.exe
PID 3040 wrote to memory of 2648	3040	f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe	netsh.exe
PID 3040 wrote to memory of 2648	3040	f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3040

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\qvcanwup\
2⤵
PID:2144

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\nwonwimd.exe" C:\Windows\SysWOW64\qvcanwup\
2⤵
PID:2516

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create qvcanwup binPath= "C:\Windows\SysWOW64\qvcanwup\nwonwimd.exe /d\"C:\Users\Admin\AppData\Local\Temp\f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2768

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description qvcanwup "wifi internet conection"
2⤵
- Launches sc.exe
PID:3068

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start qvcanwup
2⤵
- Launches sc.exe
PID:2632

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:2648

C:\Windows\SysWOW64\qvcanwup\nwonwimd.exe
C:\Windows\SysWOW64\qvcanwup\nwonwimd.exe /d"C:\Users\Admin\AppData\Local\Temp\f2e83482658169cfb723595f03ed4c73_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2680

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2664

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\nwonwimd.exe
Filesize
13.0MB

MD5
ac9ec22f425d5273ad42836a12214315

SHA1
e3f05e090ef4e9c8331c3ad2123d7040285581f3

SHA256
55124e8c2028af5ecc2b9392ce5e823eaebe82b1cc0e55d6a145f15c0a6a3277

SHA512
c57d555d1198128a863300ba22f425253b63a0662c14a6c11c997c51bbfd7b7d4a5cb139fa9d92b3882a04d43c8389eefa1d1854fb1d4fc023414d2f5e0cd2ed

Download Submit
memory/2664-15-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2664-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2664-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2664-8-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2664-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2664-18-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2664-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2680-7-0x0000000000390000-0x0000000000391000-memory.dmp

Filesize
4KB

Download
memory/2680-12-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3040-2-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/3040-0-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/3040-1-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download
memory/3040-16-0x0000000000400000-0x000000000041F000-memory.dmp

Filesize
124KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads