tofsee | 6670134716742f25ab7cfdb33b8c7f0bf13b7d1e91e7874dc20453e4db6ac5d2

General

Target

f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe
Size

14.7MB
MD5

f9ec5ae920b6df2fdc1fc070bd598b1a
SHA1

798a610c2aa02e0f0b58920a72febd23cae00f64
SHA256

6670134716742f25ab7cfdb33b8c7f0bf13b7d1e91e7874dc20453e4db6ac5d2
SHA512

73976041df720c3dac6fbc9c78bed41ab1ca9e18ffde3c0f4ad8d3e042a02a0b3e2568a1dbca8a6d86ece2ba0a683876af5ca11f9cdd656364c09b450790a6a7
SSDEEP

98304:ONWUlllllllllllllllllllllllllllllllllllllllllllllllllllllllllll7:cW

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\heyzqoob = "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

2428 netsh.exe

pid	process
2428	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\heyzqoob\ImagePath = "C:\\Windows\\SysWOW64\\heyzqoob\\xfuyljss.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2408 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

xfuyljss.exe

pid process

2416 xfuyljss.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

xfuyljss.exe

description pid process target process

PID 2416 set thread context of 2408 2416 xfuyljss.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

2724 sc.exe
2652 sc.exe
2400 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2408	svchost.exe

pid	process
2416	xfuyljss.exe

description	pid	process	target process
PID 2416 set thread context of 2408	2416	xfuyljss.exe	svchost.exe

pid	process
2724	sc.exe
2652	sc.exe
2400	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exexfuyljss.exe

description	pid	process	target process
PID 2964 wrote to memory of 2592	2964	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	cmd.exe
PID 2964 wrote to memory of 2592	2964	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	cmd.exe
PID 2964 wrote to memory of 2592	2964	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	cmd.exe
PID 2964 wrote to memory of 2592	2964	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	cmd.exe
PID 2964 wrote to memory of 2084	2964	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	cmd.exe
PID 2964 wrote to memory of 2084	2964	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	cmd.exe
PID 2964 wrote to memory of 2084	2964	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	cmd.exe
PID 2964 wrote to memory of 2084	2964	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	cmd.exe
PID 2964 wrote to memory of 2724	2964	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	sc.exe
PID 2964 wrote to memory of 2724	2964	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	sc.exe
PID 2964 wrote to memory of 2724	2964	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	sc.exe
PID 2964 wrote to memory of 2724	2964	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	sc.exe
PID 2964 wrote to memory of 2652	2964	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	sc.exe
PID 2964 wrote to memory of 2652	2964	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	sc.exe
PID 2964 wrote to memory of 2652	2964	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	sc.exe
PID 2964 wrote to memory of 2652	2964	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	sc.exe
PID 2964 wrote to memory of 2400	2964	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	sc.exe
PID 2964 wrote to memory of 2400	2964	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	sc.exe
PID 2964 wrote to memory of 2400	2964	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	sc.exe
PID 2964 wrote to memory of 2400	2964	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	sc.exe
PID 2964 wrote to memory of 2428	2964	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	netsh.exe
PID 2964 wrote to memory of 2428	2964	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	netsh.exe
PID 2964 wrote to memory of 2428	2964	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	netsh.exe
PID 2964 wrote to memory of 2428	2964	f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe	netsh.exe
PID 2416 wrote to memory of 2408	2416	xfuyljss.exe	svchost.exe
PID 2416 wrote to memory of 2408	2416	xfuyljss.exe	svchost.exe
PID 2416 wrote to memory of 2408	2416	xfuyljss.exe	svchost.exe
PID 2416 wrote to memory of 2408	2416	xfuyljss.exe	svchost.exe
PID 2416 wrote to memory of 2408	2416	xfuyljss.exe	svchost.exe
PID 2416 wrote to memory of 2408	2416	xfuyljss.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2964

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\heyzqoob\
2⤵
PID:2592

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\xfuyljss.exe" C:\Windows\SysWOW64\heyzqoob\
2⤵
PID:2084

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create heyzqoob binPath= "C:\Windows\SysWOW64\heyzqoob\xfuyljss.exe /d\"C:\Users\Admin\AppData\Local\Temp\f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2724

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description heyzqoob "wifi internet conection"
2⤵
- Launches sc.exe
PID:2652

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start heyzqoob
2⤵
- Launches sc.exe
PID:2400

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:2428

C:\Windows\SysWOW64\heyzqoob\xfuyljss.exe
C:\Windows\SysWOW64\heyzqoob\xfuyljss.exe /d"C:\Users\Admin\AppData\Local\Temp\f9ec5ae920b6df2fdc1fc070bd598b1a_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2416

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2408

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\xfuyljss.exe
Filesize
14.3MB

MD5
80acd2c6d01cfa3eab06ed215b2ae7ca

SHA1
d9166e8649e1d13356c92e3ab9c7774913c6bc4c

SHA256
c5398d4d184e6947bd8ea8ef95812104e7f1863921a62ea281c5283aa933ad20

SHA512
fcb1e95567220896cbd4255b8e9fea1acc91f5ccc55da9932d13878beb289c31e6dd37d9a217de02888ac83794e12384e3e9aabb91e4beb852cb81566ed5aacd

Download Submit
memory/2408-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2408-17-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2408-21-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2408-20-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2408-19-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2408-13-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2408-10-0x0000000000080000-0x0000000000095000-memory.dmp

Filesize
84KB

Download
memory/2416-9-0x0000000003810000-0x0000000003910000-memory.dmp

Filesize
1024KB

Download
memory/2416-16-0x0000000000400000-0x00000000036CD000-memory.dmp

Filesize
50.8MB

Download
memory/2416-18-0x0000000000400000-0x00000000036CD000-memory.dmp

Filesize
50.8MB

Download
memory/2964-1-0x0000000003750000-0x0000000003850000-memory.dmp

Filesize
1024KB

Download
memory/2964-4-0x0000000000400000-0x00000000036CD000-memory.dmp

Filesize
50.8MB

Download
memory/2964-6-0x0000000000400000-0x00000000036CD000-memory.dmp

Filesize
50.8MB

Download
memory/2964-3-0x00000000002B0000-0x00000000002C3000-memory.dmp

Filesize
76KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads