tofsee | 3ed349f289415a1ae10ad123d27c2b644e337617a75dc848e70e0a3cd13a5fe3

General

Target

ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe
Size

14.1MB
MD5

ff2d2bae6d666f08cdf03a9fe0111653
SHA1

b1c17ae2eb91b72ecea9274644b18e06e44077cd
SHA256

3ed349f289415a1ae10ad123d27c2b644e337617a75dc848e70e0a3cd13a5fe3
SHA512

48a618e88a077848f2ca3786be9a5b1c4ef9fa862097186c3ae95046c551dd0c004dc05ecff6893c717d4c14eb0d15b2d206575306eaa45473f74b291019201f
SSDEEP

6144:f5VCb4QuzFZpIozzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzr:h8NKFZp

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\mzodkpbe = "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

2392 netsh.exe

pid	process
2392	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\mzodkpbe\ImagePath = "C:\\Windows\\SysWOW64\\mzodkpbe\\erfikkiv.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2616 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

erfikkiv.exe

pid process

2480 erfikkiv.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

erfikkiv.exe

description pid process target process

PID 2480 set thread context of 2616 2480 erfikkiv.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

2584 sc.exe
2572 sc.exe
2628 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2616	svchost.exe

pid	process
2480	erfikkiv.exe

description	pid	process	target process
PID 2480 set thread context of 2616	2480	erfikkiv.exe	svchost.exe

pid	process
2584	sc.exe
2572	sc.exe
2628	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exeerfikkiv.exe

description	pid	process	target process
PID 2460 wrote to memory of 2664	2460	ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe	cmd.exe
PID 2460 wrote to memory of 2664	2460	ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe	cmd.exe
PID 2460 wrote to memory of 2664	2460	ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe	cmd.exe
PID 2460 wrote to memory of 2664	2460	ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe	cmd.exe
PID 2460 wrote to memory of 2984	2460	ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe	cmd.exe
PID 2460 wrote to memory of 2984	2460	ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe	cmd.exe
PID 2460 wrote to memory of 2984	2460	ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe	cmd.exe
PID 2460 wrote to memory of 2984	2460	ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe	cmd.exe
PID 2460 wrote to memory of 2584	2460	ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe	sc.exe
PID 2460 wrote to memory of 2584	2460	ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe	sc.exe
PID 2460 wrote to memory of 2584	2460	ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe	sc.exe
PID 2460 wrote to memory of 2584	2460	ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe	sc.exe
PID 2460 wrote to memory of 2572	2460	ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe	sc.exe
PID 2460 wrote to memory of 2572	2460	ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe	sc.exe
PID 2460 wrote to memory of 2572	2460	ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe	sc.exe
PID 2460 wrote to memory of 2572	2460	ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe	sc.exe
PID 2460 wrote to memory of 2628	2460	ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe	sc.exe
PID 2460 wrote to memory of 2628	2460	ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe	sc.exe
PID 2460 wrote to memory of 2628	2460	ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe	sc.exe
PID 2460 wrote to memory of 2628	2460	ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe	sc.exe
PID 2480 wrote to memory of 2616	2480	erfikkiv.exe	svchost.exe
PID 2480 wrote to memory of 2616	2480	erfikkiv.exe	svchost.exe
PID 2480 wrote to memory of 2616	2480	erfikkiv.exe	svchost.exe
PID 2480 wrote to memory of 2616	2480	erfikkiv.exe	svchost.exe
PID 2480 wrote to memory of 2616	2480	erfikkiv.exe	svchost.exe
PID 2480 wrote to memory of 2616	2480	erfikkiv.exe	svchost.exe
PID 2460 wrote to memory of 2392	2460	ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe	netsh.exe
PID 2460 wrote to memory of 2392	2460	ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe	netsh.exe
PID 2460 wrote to memory of 2392	2460	ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe	netsh.exe
PID 2460 wrote to memory of 2392	2460	ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2460

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\mzodkpbe\
2⤵
PID:2664

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

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create mzodkpbe binPath= "C:\Windows\SysWOW64\mzodkpbe\erfikkiv.exe /d\"C:\Users\Admin\AppData\Local\Temp\ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2584

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description mzodkpbe "wifi internet conection"
2⤵
- Launches sc.exe
PID:2572

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start mzodkpbe
2⤵
- Launches sc.exe
PID:2628

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:2392

C:\Windows\SysWOW64\mzodkpbe\erfikkiv.exe
C:\Windows\SysWOW64\mzodkpbe\erfikkiv.exe /d"C:\Users\Admin\AppData\Local\Temp\ff2d2bae6d666f08cdf03a9fe0111653_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2480

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2616

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\erfikkiv.exe

Filesize
11.9MB

MD5
5fd30ae911ed8eaf7f2d4aaa2692a13e

SHA1
89848d70791a0b2e84f4db26ea31013735c60ca0

SHA256
765f5b8c792f545c817955be25316c535873b8d617db6497d99866aeb7a24305

SHA512
5269ad41df11f9467a3e6d2f844d7aa7dfe8e2ad0d0d36fad3579fd8f09194629b2ea9bc73289f8b0168b87a8871e0eb9b324e6e859c5164f7dca7f7e808877c

Download Submit
memory/2616-6-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2616-4-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2616-3-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2616-9-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2616-11-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2616-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2616-12-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads