tofsee | 5893b223a7a45ece6853b1f9770b8acad72c8dcd01bdc04320aaa1d0fe2de41c

General

Target

2e2aada4b6ae1c5393c753b9f9b6fba0_JaffaCakes118.exe
Size

254KB
MD5

2e2aada4b6ae1c5393c753b9f9b6fba0
SHA1

4493842c4e76d00bd16c68d656fd205cdc031cff
SHA256

5893b223a7a45ece6853b1f9770b8acad72c8dcd01bdc04320aaa1d0fe2de41c
SHA512

fac139a178aa1e1edd3f347b3d149731daa0f0d5dd02f82004777d6a235f6a88be1c9da300f4903d7ce6a97ebec2c008ac9562c46e65b14adec20d7f272de752
SSDEEP

6144:8vmmRGQcKp2eBXCMdOG7a4hBbUNmNLGJD0fr0Fk4qU:8ekPcKp2YXZ9a4bUNmb0F3q

Score

10^/10

tofsee discovery 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

pid	Process
1376	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\ipqfdofb\ImagePath = "C:\\Windows\\SysWOW64\\ipqfdofb\\ehaigiqa.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	2e2aada4b6ae1c5393c753b9f9b6fba0_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2888	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1704	ehaigiqa.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1704 set thread context of 2888	1704	ehaigiqa.exe	102

Launches sc.exe 3 IoCs

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

pid	Process
1960	sc.exe
2248	sc.exe
1236	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
4128	1704	WerFault.exe	96
3204	3260	WerFault.exe	82

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ehaigiqa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2e2aada4b6ae1c5393c753b9f9b6fba0_JaffaCakes118.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	cmd.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3260 wrote to memory of 4176	3260	2e2aada4b6ae1c5393c753b9f9b6fba0_JaffaCakes118.exe	86
PID 3260 wrote to memory of 4176	3260	2e2aada4b6ae1c5393c753b9f9b6fba0_JaffaCakes118.exe	86
PID 3260 wrote to memory of 4176	3260	2e2aada4b6ae1c5393c753b9f9b6fba0_JaffaCakes118.exe	86
PID 3260 wrote to memory of 3776	3260	2e2aada4b6ae1c5393c753b9f9b6fba0_JaffaCakes118.exe	88
PID 3260 wrote to memory of 3776	3260	2e2aada4b6ae1c5393c753b9f9b6fba0_JaffaCakes118.exe	88
PID 3260 wrote to memory of 3776	3260	2e2aada4b6ae1c5393c753b9f9b6fba0_JaffaCakes118.exe	88
PID 3260 wrote to memory of 1960	3260	2e2aada4b6ae1c5393c753b9f9b6fba0_JaffaCakes118.exe	90
PID 3260 wrote to memory of 1960	3260	2e2aada4b6ae1c5393c753b9f9b6fba0_JaffaCakes118.exe	90
PID 3260 wrote to memory of 1960	3260	2e2aada4b6ae1c5393c753b9f9b6fba0_JaffaCakes118.exe	90
PID 3260 wrote to memory of 2248	3260	2e2aada4b6ae1c5393c753b9f9b6fba0_JaffaCakes118.exe	92
PID 3260 wrote to memory of 2248	3260	2e2aada4b6ae1c5393c753b9f9b6fba0_JaffaCakes118.exe	92
PID 3260 wrote to memory of 2248	3260	2e2aada4b6ae1c5393c753b9f9b6fba0_JaffaCakes118.exe	92
PID 3260 wrote to memory of 1236	3260	2e2aada4b6ae1c5393c753b9f9b6fba0_JaffaCakes118.exe	94
PID 3260 wrote to memory of 1236	3260	2e2aada4b6ae1c5393c753b9f9b6fba0_JaffaCakes118.exe	94
PID 3260 wrote to memory of 1236	3260	2e2aada4b6ae1c5393c753b9f9b6fba0_JaffaCakes118.exe	94
PID 3260 wrote to memory of 1376	3260	2e2aada4b6ae1c5393c753b9f9b6fba0_JaffaCakes118.exe	97
PID 3260 wrote to memory of 1376	3260	2e2aada4b6ae1c5393c753b9f9b6fba0_JaffaCakes118.exe	97
PID 3260 wrote to memory of 1376	3260	2e2aada4b6ae1c5393c753b9f9b6fba0_JaffaCakes118.exe	97
PID 1704 wrote to memory of 2888	1704	ehaigiqa.exe	102
PID 1704 wrote to memory of 2888	1704	ehaigiqa.exe	102
PID 1704 wrote to memory of 2888	1704	ehaigiqa.exe	102
PID 1704 wrote to memory of 2888	1704	ehaigiqa.exe	102
PID 1704 wrote to memory of 2888	1704	ehaigiqa.exe	102

C:\Users\Admin\AppData\Local\Temp\2e2aada4b6ae1c5393c753b9f9b6fba0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\2e2aada4b6ae1c5393c753b9f9b6fba0_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3260
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\ipqfdofb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4176
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ehaigiqa.exe" C:\Windows\SysWOW64\ipqfdofb\
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3776
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create ipqfdofb binPath= "C:\Windows\SysWOW64\ipqfdofb\ehaigiqa.exe /d\"C:\Users\Admin\AppData\Local\Temp\2e2aada4b6ae1c5393c753b9f9b6fba0_JaffaCakes118.exe\"" type= own start= auto DisplayName= "wifi support"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1960
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description ipqfdofb "wifi internet conection"
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:2248
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start ipqfdofb
  2⤵
  - Launches sc.exe
  - System Location Discovery: System Language Discovery
  PID:1236
- 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:1376
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3260 -s 684
  2⤵
  - Program crash
  PID:3204

C:\Windows\SysWOW64\ipqfdofb\ehaigiqa.exe
C:\Windows\SysWOW64\ipqfdofb\ehaigiqa.exe /d"C:\Users\Admin\AppData\Local\Temp\2e2aada4b6ae1c5393c753b9f9b6fba0_JaffaCakes118.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2888
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1704 -s 512
  2⤵
  - Program crash
  PID:4128

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3260 -ip 3260
1⤵
PID:3012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1704 -ip 1704
1⤵
PID:448

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

Replay Monitor

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Downloads

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

Filesize
14.1MB

MD5
04f7952c1b540382d1f332aadf4a5a1b

SHA1
58c2941a8394de098ae96cf17b62009ba25dcf13

SHA256
25553f945a481a60f15b2def4b5dad31155e12ee5e5c9dc0982fcfb36adfe040

SHA512
2530257eda79948d7ca940e75f8a4e2bdb86325076e8641dd4c8443e924fe0de98594bea6cb4de8dacbffb0c18521746e8d8cca1f9cd722321464e07afded049

Download Submit
memory/1704-12-0x0000000000400000-0x000000000086F000-memory.dmp

Filesize
4.4MB

Download
memory/1704-8-0x0000000000400000-0x000000000086F000-memory.dmp

Filesize
4.4MB

Download
memory/2888-9-0x00000000001E0000-0x00000000001F5000-memory.dmp

Filesize
84KB

Download
memory/2888-13-0x00000000001E0000-0x00000000001F5000-memory.dmp

Filesize
84KB

Download
memory/2888-18-0x00000000001E0000-0x00000000001F5000-memory.dmp

Filesize
84KB

Download
memory/2888-19-0x00000000001E0000-0x00000000001F5000-memory.dmp

Filesize
84KB

Download
memory/2888-20-0x00000000001E0000-0x00000000001F5000-memory.dmp

Filesize
84KB

Download
memory/3260-3-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3260-2-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/3260-1-0x0000000000BA0000-0x0000000000CA0000-memory.dmp

Filesize
1024KB

Download
memory/3260-17-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3260-16-0x00000000001C0000-0x00000000001D3000-memory.dmp

Filesize
76KB

Download
memory/3260-15-0x0000000000400000-0x000000000086F000-memory.dmp

Filesize
4.4MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads