tofsee | b52d830b3fc856cc40c8c061fc594dbf22cacf7bb440e159f0a61737abc7592a

General

Target

JaffaCakes118_b52d830b3fc856cc40c8c061fc594dbf22cacf7bb440e159f0a61737abc7592a.exe
Size

212KB
MD5

1312ee3ef6696123f14c35e1bcaf57e9
SHA1

701d67afbdbd1dc90321b4e4f6be95566aa83d52
SHA256

b52d830b3fc856cc40c8c061fc594dbf22cacf7bb440e159f0a61737abc7592a
SHA512

94e4493e4776c76b2748d7a93064020dd001ab533b1f48aa738d884f9ff8967bdd01d778f803edce5ececbcd47f18acdbb1f4360f68aff575a742731dcb30967
SSDEEP

6144:ZN0TNRkdq8G+ZYdX/2+VxjKFW7ITsquwVf:D0T7kdq8EdXres7

Score

10^/10

tofsee discovery evasion execution persistence privilege_escalation trojan

Malware Config

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee
Tofsee family
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

pid	Process
1108	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\wtptwqgs\ImagePath = "C:\\Windows\\SysWOW64\\wtptwqgs\\phzgfwho.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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	JaffaCakes118_b52d830b3fc856cc40c8c061fc594dbf22cacf7bb440e159f0a61737abc7592a.exe

Deletes itself 1 IoCs

pid	Process
2272	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1220	phzgfwho.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1220 set thread context of 2272	1220	phzgfwho.exe	99

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
3476	sc.exe
1884	sc.exe
2652	sc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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

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

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4028	1288	WerFault.exe	82
4420	1220	WerFault.exe	93

System Location Discovery: System Language Discovery 1 TTPs 9 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	phzgfwho.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b52d830b3fc856cc40c8c061fc594dbf22cacf7bb440e159f0a61737abc7592a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 1288 wrote to memory of 3068	1288	JaffaCakes118_b52d830b3fc856cc40c8c061fc594dbf22cacf7bb440e159f0a61737abc7592a.exe	83
PID 1288 wrote to memory of 3068	1288	JaffaCakes118_b52d830b3fc856cc40c8c061fc594dbf22cacf7bb440e159f0a61737abc7592a.exe	83
PID 1288 wrote to memory of 3068	1288	JaffaCakes118_b52d830b3fc856cc40c8c061fc594dbf22cacf7bb440e159f0a61737abc7592a.exe	83
PID 1288 wrote to memory of 4528	1288	JaffaCakes118_b52d830b3fc856cc40c8c061fc594dbf22cacf7bb440e159f0a61737abc7592a.exe	85
PID 1288 wrote to memory of 4528	1288	JaffaCakes118_b52d830b3fc856cc40c8c061fc594dbf22cacf7bb440e159f0a61737abc7592a.exe	85
PID 1288 wrote to memory of 4528	1288	JaffaCakes118_b52d830b3fc856cc40c8c061fc594dbf22cacf7bb440e159f0a61737abc7592a.exe	85
PID 1288 wrote to memory of 3476	1288	JaffaCakes118_b52d830b3fc856cc40c8c061fc594dbf22cacf7bb440e159f0a61737abc7592a.exe	87
PID 1288 wrote to memory of 3476	1288	JaffaCakes118_b52d830b3fc856cc40c8c061fc594dbf22cacf7bb440e159f0a61737abc7592a.exe	87
PID 1288 wrote to memory of 3476	1288	JaffaCakes118_b52d830b3fc856cc40c8c061fc594dbf22cacf7bb440e159f0a61737abc7592a.exe	87
PID 1288 wrote to memory of 1884	1288	JaffaCakes118_b52d830b3fc856cc40c8c061fc594dbf22cacf7bb440e159f0a61737abc7592a.exe	89
PID 1288 wrote to memory of 1884	1288	JaffaCakes118_b52d830b3fc856cc40c8c061fc594dbf22cacf7bb440e159f0a61737abc7592a.exe	89
PID 1288 wrote to memory of 1884	1288	JaffaCakes118_b52d830b3fc856cc40c8c061fc594dbf22cacf7bb440e159f0a61737abc7592a.exe	89
PID 1288 wrote to memory of 2652	1288	JaffaCakes118_b52d830b3fc856cc40c8c061fc594dbf22cacf7bb440e159f0a61737abc7592a.exe	91
PID 1288 wrote to memory of 2652	1288	JaffaCakes118_b52d830b3fc856cc40c8c061fc594dbf22cacf7bb440e159f0a61737abc7592a.exe	91
PID 1288 wrote to memory of 2652	1288	JaffaCakes118_b52d830b3fc856cc40c8c061fc594dbf22cacf7bb440e159f0a61737abc7592a.exe	91
PID 1288 wrote to memory of 1108	1288	JaffaCakes118_b52d830b3fc856cc40c8c061fc594dbf22cacf7bb440e159f0a61737abc7592a.exe	94
PID 1288 wrote to memory of 1108	1288	JaffaCakes118_b52d830b3fc856cc40c8c061fc594dbf22cacf7bb440e159f0a61737abc7592a.exe	94
PID 1288 wrote to memory of 1108	1288	JaffaCakes118_b52d830b3fc856cc40c8c061fc594dbf22cacf7bb440e159f0a61737abc7592a.exe	94
PID 1220 wrote to memory of 2272	1220	phzgfwho.exe	99
PID 1220 wrote to memory of 2272	1220	phzgfwho.exe	99
PID 1220 wrote to memory of 2272	1220	phzgfwho.exe	99
PID 1220 wrote to memory of 2272	1220	phzgfwho.exe	99
PID 1220 wrote to memory of 2272	1220	phzgfwho.exe	99

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b52d830b3fc856cc40c8c061fc594dbf22cacf7bb440e159f0a61737abc7592a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b52d830b3fc856cc40c8c061fc594dbf22cacf7bb440e159f0a61737abc7592a.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1288
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\wtptwqgs\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3068
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\phzgfwho.exe" C:\Windows\SysWOW64\wtptwqgs\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4528
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create wtptwqgs binPath= "C:\Windows\SysWOW64\wtptwqgs\phzgfwho.exe /d\"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b52d830b3fc856cc40c8c061fc594dbf22cacf7bb440e159f0a61737abc7592a.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:3476
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description wtptwqgs "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1884
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start wtptwqgs
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2652
- 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
  - System Location Discovery: System Language Discovery
  PID:1108
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1288 -s 1036
  2⤵
  - Program crash
  PID:4028

C:\Windows\SysWOW64\wtptwqgs\phzgfwho.exe
C:\Windows\SysWOW64\wtptwqgs\phzgfwho.exe /d"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b52d830b3fc856cc40c8c061fc594dbf22cacf7bb440e159f0a61737abc7592a.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1220
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2272
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1220 -s 516
  2⤵
  - Program crash
  PID:4420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1288 -ip 1288
1⤵
PID:1760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1220 -ip 1220
1⤵
PID:3840

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
12.8MB

MD5
222c1ae4ebc5f1a5e920708f9a10201a

SHA1
ef4bdcfce0108029fb0c533abe8d88f78bc81a9d

SHA256
77e603707a90aa54211431ff97259e53e70397caf62277fc3cba2918e21dcde1

SHA512
95bce36d914cde18a978423fc762fc4d0f80598d94eced55787709387cb1c087ea0fa21c8dda0549ef487f3c2d554f2a0075f060d9219f9aa8a2562b1b9688bd

Download Submit
memory/1220-10-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1220-11-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1220-17-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1220-12-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1288-9-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1288-8-0x0000000002190000-0x00000000021A3000-memory.dmp

Filesize
76KB

Download
memory/1288-7-0x00000000007A0000-0x00000000007AD000-memory.dmp

Filesize
52KB

Download
memory/1288-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1288-0-0x00000000007A0000-0x00000000007AD000-memory.dmp

Filesize
52KB

Download
memory/1288-6-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/1288-1-0x0000000002190000-0x00000000021A3000-memory.dmp

Filesize
76KB

Download
memory/2272-13-0x0000000000850000-0x0000000000865000-memory.dmp

Filesize
84KB

Download
memory/2272-15-0x0000000000850000-0x0000000000865000-memory.dmp

Filesize
84KB

Download
memory/2272-16-0x0000000000850000-0x0000000000865000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads