tofsee | 560fc803cd88d0362d75b40fc0b3513330ff754c4d3115a7675aefb4b08fa36f

General

Target

f313185687c6097504477b7f37195cdf_JaffaCakes118.exe
Size

11.5MB
MD5

f313185687c6097504477b7f37195cdf
SHA1

fe641fc06084e7289b9981cd907fce4368b91e23
SHA256

560fc803cd88d0362d75b40fc0b3513330ff754c4d3115a7675aefb4b08fa36f
SHA512

8885b3fa9f3026717953797178a2c2bf4cb4c22bebf9d343e2f13a132c8e2cd90595fa66a28cfc5f1236e097046150db84b80142a437ed61faa7cda61e538ea0
SSDEEP

49152:ljrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr:V

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\feqvyilb = "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

2456 netsh.exe

pid	process
2456	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\feqvyilb\ImagePath = "C:\\Windows\\SysWOW64\\feqvyilb\\zxeazigx.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2792 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

zxeazigx.exe

pid process

2572 zxeazigx.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

zxeazigx.exe

description pid process target process

PID 2572 set thread context of 2792 2572 zxeazigx.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

2660 sc.exe
2656 sc.exe
2464 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2792	svchost.exe

pid	process
2572	zxeazigx.exe

description	pid	process	target process
PID 2572 set thread context of 2792	2572	zxeazigx.exe	svchost.exe

pid	process
2660	sc.exe
2656	sc.exe
2464	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

f313185687c6097504477b7f37195cdf_JaffaCakes118.exezxeazigx.exe

description	pid	process	target process
PID 2364 wrote to memory of 1744	2364	f313185687c6097504477b7f37195cdf_JaffaCakes118.exe	cmd.exe
PID 2364 wrote to memory of 1744	2364	f313185687c6097504477b7f37195cdf_JaffaCakes118.exe	cmd.exe
PID 2364 wrote to memory of 1744	2364	f313185687c6097504477b7f37195cdf_JaffaCakes118.exe	cmd.exe
PID 2364 wrote to memory of 1744	2364	f313185687c6097504477b7f37195cdf_JaffaCakes118.exe	cmd.exe
PID 2364 wrote to memory of 2636	2364	f313185687c6097504477b7f37195cdf_JaffaCakes118.exe	cmd.exe
PID 2364 wrote to memory of 2636	2364	f313185687c6097504477b7f37195cdf_JaffaCakes118.exe	cmd.exe
PID 2364 wrote to memory of 2636	2364	f313185687c6097504477b7f37195cdf_JaffaCakes118.exe	cmd.exe
PID 2364 wrote to memory of 2636	2364	f313185687c6097504477b7f37195cdf_JaffaCakes118.exe	cmd.exe
PID 2364 wrote to memory of 2660	2364	f313185687c6097504477b7f37195cdf_JaffaCakes118.exe	sc.exe
PID 2364 wrote to memory of 2660	2364	f313185687c6097504477b7f37195cdf_JaffaCakes118.exe	sc.exe
PID 2364 wrote to memory of 2660	2364	f313185687c6097504477b7f37195cdf_JaffaCakes118.exe	sc.exe
PID 2364 wrote to memory of 2660	2364	f313185687c6097504477b7f37195cdf_JaffaCakes118.exe	sc.exe
PID 2364 wrote to memory of 2656	2364	f313185687c6097504477b7f37195cdf_JaffaCakes118.exe	sc.exe
PID 2364 wrote to memory of 2656	2364	f313185687c6097504477b7f37195cdf_JaffaCakes118.exe	sc.exe
PID 2364 wrote to memory of 2656	2364	f313185687c6097504477b7f37195cdf_JaffaCakes118.exe	sc.exe
PID 2364 wrote to memory of 2656	2364	f313185687c6097504477b7f37195cdf_JaffaCakes118.exe	sc.exe
PID 2364 wrote to memory of 2464	2364	f313185687c6097504477b7f37195cdf_JaffaCakes118.exe	sc.exe
PID 2364 wrote to memory of 2464	2364	f313185687c6097504477b7f37195cdf_JaffaCakes118.exe	sc.exe
PID 2364 wrote to memory of 2464	2364	f313185687c6097504477b7f37195cdf_JaffaCakes118.exe	sc.exe
PID 2364 wrote to memory of 2464	2364	f313185687c6097504477b7f37195cdf_JaffaCakes118.exe	sc.exe
PID 2572 wrote to memory of 2792	2572	zxeazigx.exe	svchost.exe
PID 2572 wrote to memory of 2792	2572	zxeazigx.exe	svchost.exe
PID 2572 wrote to memory of 2792	2572	zxeazigx.exe	svchost.exe
PID 2572 wrote to memory of 2792	2572	zxeazigx.exe	svchost.exe
PID 2572 wrote to memory of 2792	2572	zxeazigx.exe	svchost.exe
PID 2572 wrote to memory of 2792	2572	zxeazigx.exe	svchost.exe
PID 2364 wrote to memory of 2456	2364	f313185687c6097504477b7f37195cdf_JaffaCakes118.exe	netsh.exe
PID 2364 wrote to memory of 2456	2364	f313185687c6097504477b7f37195cdf_JaffaCakes118.exe	netsh.exe
PID 2364 wrote to memory of 2456	2364	f313185687c6097504477b7f37195cdf_JaffaCakes118.exe	netsh.exe
PID 2364 wrote to memory of 2456	2364	f313185687c6097504477b7f37195cdf_JaffaCakes118.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\f313185687c6097504477b7f37195cdf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f313185687c6097504477b7f37195cdf_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2364

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\feqvyilb\
2⤵
PID:1744

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\zxeazigx.exe" C:\Windows\SysWOW64\feqvyilb\
2⤵
PID:2636

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create feqvyilb binPath= "C:\Windows\SysWOW64\feqvyilb\zxeazigx.exe /d\"C:\Users\Admin\AppData\Local\Temp\f313185687c6097504477b7f37195cdf_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2660

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description feqvyilb "wifi internet conection"
2⤵
- Launches sc.exe
PID:2656

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start feqvyilb
2⤵
- Launches sc.exe
PID:2464

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:2456

C:\Windows\SysWOW64\feqvyilb\zxeazigx.exe
C:\Windows\SysWOW64\feqvyilb\zxeazigx.exe /d"C:\Users\Admin\AppData\Local\Temp\f313185687c6097504477b7f37195cdf_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2572

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Windows security bypass
- Sets service image path in registry
- Deletes itself
PID:2792

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\zxeazigx.exe
Filesize
14.8MB

MD5
52330ee7ae5e569c24236ad0daa71c7f

SHA1
438c7684bf1af97ea19cc3b4ded9da1903408e62

SHA256
b957511d86196d10a785019f696ec10e8213285f209ada2eece45a3477a8ef45

SHA512
ddce6f442dc1f2cd5c0d7f29ccf44f70f7f733a91201de74c7a3ddd8e15e1d87766349e4db717ebd4bdbb12f718f51fe685c056e3a083cd715bee597d03cb9dc

Download Submit
memory/2364-18-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2364-3-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2364-1-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2364-2-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2364-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2572-16-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2572-7-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2572-8-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2792-10-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2792-13-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2792-17-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2792-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2792-19-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2792-20-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2792-21-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads