tofsee | 48a908118164a83256282f2427f094e005bc9c94234548822050645ae072aa58

General

Target

4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exe
Size

10.0MB
MD5

4d2c1c24c605c4665deb8fcff2e48d66
SHA1

6ce6fa8bd527e8aa529b7a055795416b7e92c73e
SHA256

48a908118164a83256282f2427f094e005bc9c94234548822050645ae072aa58
SHA512

ea56cf46f89714c667d9841a8bd4073c0538c0c2d428e66d7af502b8cbb61a8347af407faba445602d5517a79a85079df017bc416c52656b9bca8b089fec4b99
SSDEEP

24576:SgRjDA0LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL:1xD

Score

10^/10

tofsee evasion execution persistence privilege_escalation 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
Creates new service(s) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

2756 netsh.exe

pid	process
2756	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\ilbcrfhv\ImagePath = "C:\\Windows\\SysWOW64\\ilbcrfhv\\aqlxrdhz.exe"	svchost.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation	4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

2464 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

aqlxrdhz.exe

pid process

544 aqlxrdhz.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

aqlxrdhz.exe

description pid process target process

PID 544 set thread context of 2464 544 aqlxrdhz.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

420 sc.exe
4944 sc.exe
4560 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2464	svchost.exe

pid	process
544	aqlxrdhz.exe

description	pid	process	target process
PID 544 set thread context of 2464	544	aqlxrdhz.exe	svchost.exe

pid	process
420	sc.exe
4944	sc.exe
4560	sc.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

Processes:

netsh.exe

description	ioc	process
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

2660 2340 WerFault.exe 4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exe
4496 544 WerFault.exe aqlxrdhz.exe

pid	pid_target	process	target process
2660	2340	WerFault.exe	4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exe
4496	544	WerFault.exe	aqlxrdhz.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exeaqlxrdhz.exe

description	pid	process	target process
PID 2340 wrote to memory of 4380	2340	4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exe	cmd.exe
PID 2340 wrote to memory of 4380	2340	4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exe	cmd.exe
PID 2340 wrote to memory of 4380	2340	4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exe	cmd.exe
PID 2340 wrote to memory of 1488	2340	4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exe	cmd.exe
PID 2340 wrote to memory of 1488	2340	4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exe	cmd.exe
PID 2340 wrote to memory of 1488	2340	4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exe	cmd.exe
PID 2340 wrote to memory of 420	2340	4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exe	sc.exe
PID 2340 wrote to memory of 420	2340	4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exe	sc.exe
PID 2340 wrote to memory of 420	2340	4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exe	sc.exe
PID 2340 wrote to memory of 4944	2340	4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exe	sc.exe
PID 2340 wrote to memory of 4944	2340	4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exe	sc.exe
PID 2340 wrote to memory of 4944	2340	4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exe	sc.exe
PID 2340 wrote to memory of 4560	2340	4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exe	sc.exe
PID 2340 wrote to memory of 4560	2340	4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exe	sc.exe
PID 2340 wrote to memory of 4560	2340	4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exe	sc.exe
PID 2340 wrote to memory of 2756	2340	4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exe	netsh.exe
PID 2340 wrote to memory of 2756	2340	4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exe	netsh.exe
PID 2340 wrote to memory of 2756	2340	4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exe	netsh.exe
PID 544 wrote to memory of 2464	544	aqlxrdhz.exe	svchost.exe
PID 544 wrote to memory of 2464	544	aqlxrdhz.exe	svchost.exe
PID 544 wrote to memory of 2464	544	aqlxrdhz.exe	svchost.exe
PID 544 wrote to memory of 2464	544	aqlxrdhz.exe	svchost.exe
PID 544 wrote to memory of 2464	544	aqlxrdhz.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2340

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ilbcrfhv\
2⤵
PID:4380

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\aqlxrdhz.exe" C:\Windows\SysWOW64\ilbcrfhv\
2⤵
PID:1488

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create ilbcrfhv binPath= "C:\Windows\SysWOW64\ilbcrfhv\aqlxrdhz.exe /d\"C:\Users\Admin\AppData\Local\Temp\4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:420

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description ilbcrfhv "wifi internet conection"
2⤵
- Launches sc.exe
PID:4944

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start ilbcrfhv
2⤵
- Launches sc.exe
PID:4560

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
- Event Triggered Execution: Netsh Helper DLL
PID:2756

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2340 -s 672
2⤵
- Program crash
PID:2660

C:\Windows\SysWOW64\ilbcrfhv\aqlxrdhz.exe
C:\Windows\SysWOW64\ilbcrfhv\aqlxrdhz.exe /d"C:\Users\Admin\AppData\Local\Temp\4d2c1c24c605c4665deb8fcff2e48d66_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:544

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
- Deletes itself
PID:2464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 544 -s 512
2⤵
- Program crash
PID:4496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2340 -ip 2340
1⤵
PID:1576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 544 -ip 544
1⤵
PID:2140

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

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

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

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

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\aqlxrdhz.exe
Filesize
12.7MB

MD5
cadec947194334aa6110dc10d4730093

SHA1
aff4cb36001bc7c6a23e309a5fbe0dc0b4fa7e10

SHA256
aa8677e84cf033665b416b6c7118887d09deec889a601a6d9aab3bad1d3f649f

SHA512
2ba7aad442e95cbb63f33022678331d4893d40dfcdedcd8833c73073c73b2850953753571e33d94b1444981e2f332e318e83a1b96f96976b4d9dfde610a42188

Download Submit
memory/544-15-0x0000000000400000-0x0000000002149000-memory.dmp

Filesize
29.3MB

Download
memory/2340-2-0x00000000022F0000-0x0000000002303000-memory.dmp

Filesize
76KB

Download
memory/2340-1-0x0000000002360000-0x0000000002460000-memory.dmp

Filesize
1024KB

Download
memory/2340-4-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2340-10-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2340-9-0x00000000022F0000-0x0000000002303000-memory.dmp

Filesize
76KB

Download
memory/2340-8-0x0000000000400000-0x0000000002149000-memory.dmp

Filesize
29.3MB

Download
memory/2464-11-0x0000000000FB0000-0x0000000000FC5000-memory.dmp

Filesize
84KB

Download
memory/2464-13-0x0000000000FB0000-0x0000000000FC5000-memory.dmp

Filesize
84KB

Download
memory/2464-14-0x0000000000FB0000-0x0000000000FC5000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads