tofsee | 96429043f3a30c01b205e2da6599782a864822dfb07b3cb016986c6e65a12ca5

General

Target

0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe
Size

98KB
MD5

0aa8fb62abfbb62ec43076dd164d8751
SHA1

597819616e16889167bc74372127f6eb62193212
SHA256

96429043f3a30c01b205e2da6599782a864822dfb07b3cb016986c6e65a12ca5
SHA512

ad6d9fdaf53afd2a2023fa0aca81e7f2fe9c3caaf249504505c8c6b7345312cd5e100663e9783d8d415aceded4be967079c0db5fb9b1bbbca0fd673e3cb21461
SSDEEP

1536:rIcnFivCOLJVj7hH+sONVP/XtVtxGOBA+rRhCkQskMHUjO7pVE/AJe31ryelqa4K:rrsJHO3dnxxfrRh7QPMRa/AJKsNARFd

Score

10^/10

tofsee discovery persistence trojan

Malware Config

Extracted

Family

tofsee

C2

64.20.54.234

rgtryhbgddtyh.biz

wertdghbyrukl.ch

Signatures

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

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:

0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

Processes:

igl.exeigl.exe

pid process

432 igl.exe
4396 igl.exe

pid	process
432	igl.exe
4396	igl.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSConfig = "\"C:\\Users\\Admin\\igl.exe\" /r"	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exeigl.exeigl.exe

description	pid	process	target process
PID 2748 set thread context of 904	2748	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe
PID 432 set thread context of 4396	432	igl.exe	igl.exe
PID 4396 set thread context of 4760	4396	igl.exe	svchost.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

692 4760 WerFault.exe svchost.exe

pid	pid_target	process	target process
692	4760	WerFault.exe	svchost.exe

System Location Discovery: System Language Discovery 1 TTPs 6 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

Processes:

svchost.exe0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exeigl.exeigl.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	igl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of UnmapMainImage 1 IoCs

Processes:

0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe

pid process

2748 0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe

pid	process
2748	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exeigl.exeigl.exe

description	pid	process	target process
PID 2748 wrote to memory of 904	2748	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe
PID 2748 wrote to memory of 904	2748	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe
PID 2748 wrote to memory of 904	2748	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe
PID 2748 wrote to memory of 904	2748	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe
PID 2748 wrote to memory of 904	2748	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe
PID 2748 wrote to memory of 904	2748	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe
PID 2748 wrote to memory of 904	2748	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe
PID 2748 wrote to memory of 904	2748	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe
PID 904 wrote to memory of 432	904	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe	igl.exe
PID 904 wrote to memory of 432	904	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe	igl.exe
PID 904 wrote to memory of 432	904	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe	igl.exe
PID 432 wrote to memory of 4396	432	igl.exe	igl.exe
PID 432 wrote to memory of 4396	432	igl.exe	igl.exe
PID 432 wrote to memory of 4396	432	igl.exe	igl.exe
PID 432 wrote to memory of 4396	432	igl.exe	igl.exe
PID 432 wrote to memory of 4396	432	igl.exe	igl.exe
PID 432 wrote to memory of 4396	432	igl.exe	igl.exe
PID 432 wrote to memory of 4396	432	igl.exe	igl.exe
PID 432 wrote to memory of 4396	432	igl.exe	igl.exe
PID 4396 wrote to memory of 4760	4396	igl.exe	svchost.exe
PID 4396 wrote to memory of 4760	4396	igl.exe	svchost.exe
PID 4396 wrote to memory of 4760	4396	igl.exe	svchost.exe
PID 4396 wrote to memory of 4760	4396	igl.exe	svchost.exe
PID 4396 wrote to memory of 4760	4396	igl.exe	svchost.exe
PID 904 wrote to memory of 4628	904	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe	cmd.exe
PID 904 wrote to memory of 4628	904	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe	cmd.exe
PID 904 wrote to memory of 4628	904	0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Users\Admin\AppData\Local\Temp\0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\0aa8fb62abfbb62ec43076dd164d8751_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:904
- - C:\Users\Admin\igl.exe
    "C:\Users\Admin\igl.exe" /r
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:432
  - - C:\Users\Admin\igl.exe
      "C:\Users\Admin\igl.exe" /r
      4⤵
      Executes dropped EXE
      Suspicious use of SetThreadContext
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4396
    - - C:\Windows\SysWOW64\svchost.exe
        
        svchost.exe
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:4760
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4760 -s 320
        6⤵
        Program crash
        
        PID:692
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7248.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4760 -ip 4760
1⤵
PID:1052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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\7248.bat

Filesize
117B

MD5
61bfeeb438fd19c602653cc8f1ae584d

SHA1
542ad13a588d96dd5d57582746dfd98c64311c16

SHA256
831c590b0b044160db45645686c5459a23bdf935c0e989aae896fb9e54f80279

SHA512
3b6f6419bcbf79086773354fba9cb5e96c6d7e41d7e14a2c5bd2a7909ebcaf60b4dbf09946b0f127c313b2a6e65e7e8369cc1c0bfa6f103ee995eba610f9afc2

Download Submit
C:\Users\Admin\igl.exe

Filesize
98KB

MD5
0aa8fb62abfbb62ec43076dd164d8751

SHA1
597819616e16889167bc74372127f6eb62193212

SHA256
96429043f3a30c01b205e2da6599782a864822dfb07b3cb016986c6e65a12ca5

SHA512
ad6d9fdaf53afd2a2023fa0aca81e7f2fe9c3caaf249504505c8c6b7345312cd5e100663e9783d8d415aceded4be967079c0db5fb9b1bbbca0fd673e3cb21461

Download Submit
memory/904-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/904-2-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/904-24-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4396-12-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/4760-13-0x00000000007F0000-0x0000000000800000-memory.dmp

Filesize
64KB

Download
memory/4760-19-0x00000000007F0000-0x0000000000800000-memory.dmp

Filesize
64KB

Download
memory/4760-27-0x00000000007F0000-0x0000000000800000-memory.dmp

Filesize
64KB

Download
memory/4760-28-0x0000000000B80000-0x0000000000B81000-memory.dmp

Filesize
4KB

Download
memory/4760-29-0x00000000007F0000-0x0000000000800000-memory.dmp

Filesize
64KB

Download
memory/4760-30-0x00000000007F0000-0x0000000000800000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads