tofsee | a7b7595a90d115497ba26e7ac70d71a499a0c0116a1f13f671eccbd8af89de8e

General

Target

f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe
Size

14.2MB
MD5

f3e4b3f22f1f557ad9aed99b8b9be8aa
SHA1

9c41524315acdf2d2e6c38959ae3f2b4337aa899
SHA256

a7b7595a90d115497ba26e7ac70d71a499a0c0116a1f13f671eccbd8af89de8e
SHA512

b8e72b697c42403f2bb94bf6fe003b6267de27f59f897749e63009b8b2c5275c1952237deff4039f09a8ffc494c45f15d77f3dc7b58cf2bf1be81fcd5e177037
SSDEEP

12288:zl5qOcvT9o+egMU+HoWfprc0sssssssssssssssssssssssssssssssssssssssb:1cvT9ofeqrc

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

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\ifcyqmkh = "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\ifcyqmkh\ImagePath = "C:\\Windows\\SysWOW64\\ifcyqmkh\\cgjfraxt.exe"	svchost.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2480 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

cgjfraxt.exe

pid process

2572 cgjfraxt.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

cgjfraxt.exe

description pid process target process

PID 2572 set thread context of 2480 2572 cgjfraxt.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

2560 sc.exe
2716 sc.exe
2724 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2480	svchost.exe

pid	process
2572	cgjfraxt.exe

description	pid	process	target process
PID 2572 set thread context of 2480	2572	cgjfraxt.exe	svchost.exe

pid	process
2560	sc.exe
2716	sc.exe
2724	sc.exe

Suspicious use of WriteProcessMemory 30 IoCs

Processes:

f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.execgjfraxt.exe

description	pid	process	target process
PID 2208 wrote to memory of 3064	2208	f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe	cmd.exe
PID 2208 wrote to memory of 3064	2208	f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe	cmd.exe
PID 2208 wrote to memory of 3064	2208	f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe	cmd.exe
PID 2208 wrote to memory of 3064	2208	f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe	cmd.exe
PID 2208 wrote to memory of 2664	2208	f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe	cmd.exe
PID 2208 wrote to memory of 2664	2208	f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe	cmd.exe
PID 2208 wrote to memory of 2664	2208	f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe	cmd.exe
PID 2208 wrote to memory of 2664	2208	f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe	cmd.exe
PID 2208 wrote to memory of 2560	2208	f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe	sc.exe
PID 2208 wrote to memory of 2560	2208	f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe	sc.exe
PID 2208 wrote to memory of 2560	2208	f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe	sc.exe
PID 2208 wrote to memory of 2560	2208	f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe	sc.exe
PID 2208 wrote to memory of 2716	2208	f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe	sc.exe
PID 2208 wrote to memory of 2716	2208	f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe	sc.exe
PID 2208 wrote to memory of 2716	2208	f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe	sc.exe
PID 2208 wrote to memory of 2716	2208	f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe	sc.exe
PID 2208 wrote to memory of 2724	2208	f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe	sc.exe
PID 2208 wrote to memory of 2724	2208	f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe	sc.exe
PID 2208 wrote to memory of 2724	2208	f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe	sc.exe
PID 2208 wrote to memory of 2724	2208	f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe	sc.exe
PID 2208 wrote to memory of 2428	2208	f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe	netsh.exe
PID 2208 wrote to memory of 2428	2208	f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe	netsh.exe
PID 2208 wrote to memory of 2428	2208	f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe	netsh.exe
PID 2208 wrote to memory of 2428	2208	f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe	netsh.exe
PID 2572 wrote to memory of 2480	2572	cgjfraxt.exe	svchost.exe
PID 2572 wrote to memory of 2480	2572	cgjfraxt.exe	svchost.exe
PID 2572 wrote to memory of 2480	2572	cgjfraxt.exe	svchost.exe
PID 2572 wrote to memory of 2480	2572	cgjfraxt.exe	svchost.exe
PID 2572 wrote to memory of 2480	2572	cgjfraxt.exe	svchost.exe
PID 2572 wrote to memory of 2480	2572	cgjfraxt.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2208

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ifcyqmkh\
2⤵
PID:3064

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\cgjfraxt.exe" C:\Windows\SysWOW64\ifcyqmkh\
2⤵
PID:2664

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create ifcyqmkh binPath= "C:\Windows\SysWOW64\ifcyqmkh\cgjfraxt.exe /d\"C:\Users\Admin\AppData\Local\Temp\f3e4b3f22f1f557ad9aed99b8b9be8aa_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2560

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description ifcyqmkh "wifi internet conection"
2⤵
- Launches sc.exe
PID:2716

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start ifcyqmkh
2⤵
- Launches sc.exe
PID:2724

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\ifcyqmkh\cgjfraxt.exe
C:\Windows\SysWOW64\ifcyqmkh\cgjfraxt.exe /d"C:\Users\Admin\AppData\Local\Temp\f3e4b3f22f1f557ad9aed99b8b9be8aa_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:2480

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\cgjfraxt.exe
Filesize
12.0MB

MD5
bf5bfa0337e5792c560245ce670707c7

SHA1
9a67aedd36ffffab753cf5c444cc2ad4c43de567

SHA256
b9460aa93cec1d5690e15bb7e47da8901350fc9877ea310a7ce20db0d7b829a2

SHA512
66b144e745574eefb3ddc320227f28d8e0f38fabda947d2ae0df21c253773d79402ae4acfa3e668c7e4876720893ac1c1144a9f9aa09eb4a9f762db008603e84

Download Submit
memory/2208-2-0x00000000001B0000-0x00000000001C3000-memory.dmp

Filesize
76KB

Download
memory/2208-1-0x00000000002F0000-0x00000000003F0000-memory.dmp

Filesize
1024KB

Download
memory/2208-4-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2208-6-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2480-14-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2480-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2480-11-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2480-18-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2480-19-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2480-20-0x00000000000C0000-0x00000000000D5000-memory.dmp

Filesize
84KB

Download
memory/2572-10-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/2572-9-0x00000000005D0000-0x00000000006D0000-memory.dmp

Filesize
1024KB

Download
memory/2572-16-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads