tofsee | 4270d9f809d18daa8f77b828246d5d2130dcd899e20656cfe0bff05332db991e

General

Target

56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe
Size

133KB
MD5

56213a6487ab2bccbc59e7e87aabff95
SHA1

40748ef8241587c207311160e9d1115e0bb4c374
SHA256

4270d9f809d18daa8f77b828246d5d2130dcd899e20656cfe0bff05332db991e
SHA512

c8c60671d23ad59dc7dd7dd7f02ee6988904bc9d72a162ac68b2e9e43da8f7ca13ddc9d49e81686840ae2776ba1b8f37fddc3705c6d9f7a1acba9da871d5cc3d
SSDEEP

1536:FnTcqpP5uH0gP2r5zMiqCWQ6Q/GeFiIc7tnE0sPST6Q1:FnTcs5fxr5zMVwrwtnE0saD

Score

10^/10

tofsee 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:

56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation	56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

Processes:

eaxi.exeeaxi.exe

pid process

1144 eaxi.exe
4636 eaxi.exe

pid	process
1144	eaxi.exe
4636	eaxi.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSConfig = "\"C:\\Users\\Admin\\eaxi.exe\" /r"	56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exeeaxi.exeeaxi.exe

description	pid	process	target process
PID 3352 set thread context of 2004	3352	56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe	56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe
PID 1144 set thread context of 4636	1144	eaxi.exe	eaxi.exe
PID 4636 set thread context of 3732	4636	eaxi.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

3964 3732 WerFault.exe svchost.exe
Suspicious use of UnmapMainImage 1 IoCs

Processes:

56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe

pid process

3352 56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe

pid	pid_target	process	target process
3964	3732	WerFault.exe	svchost.exe

pid	process
3352	56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 27 IoCs

Processes:

56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exeeaxi.exeeaxi.exe

description	pid	process	target process
PID 3352 wrote to memory of 2004	3352	56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe	56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe
PID 3352 wrote to memory of 2004	3352	56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe	56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe
PID 3352 wrote to memory of 2004	3352	56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe	56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe
PID 3352 wrote to memory of 2004	3352	56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe	56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe
PID 3352 wrote to memory of 2004	3352	56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe	56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe
PID 3352 wrote to memory of 2004	3352	56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe	56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe
PID 3352 wrote to memory of 2004	3352	56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe	56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe
PID 3352 wrote to memory of 2004	3352	56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe	56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe
PID 2004 wrote to memory of 1144	2004	56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe	eaxi.exe
PID 2004 wrote to memory of 1144	2004	56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe	eaxi.exe
PID 2004 wrote to memory of 1144	2004	56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe	eaxi.exe
PID 1144 wrote to memory of 4636	1144	eaxi.exe	eaxi.exe
PID 1144 wrote to memory of 4636	1144	eaxi.exe	eaxi.exe
PID 1144 wrote to memory of 4636	1144	eaxi.exe	eaxi.exe
PID 1144 wrote to memory of 4636	1144	eaxi.exe	eaxi.exe
PID 1144 wrote to memory of 4636	1144	eaxi.exe	eaxi.exe
PID 1144 wrote to memory of 4636	1144	eaxi.exe	eaxi.exe
PID 1144 wrote to memory of 4636	1144	eaxi.exe	eaxi.exe
PID 1144 wrote to memory of 4636	1144	eaxi.exe	eaxi.exe
PID 4636 wrote to memory of 3732	4636	eaxi.exe	svchost.exe
PID 4636 wrote to memory of 3732	4636	eaxi.exe	svchost.exe
PID 4636 wrote to memory of 3732	4636	eaxi.exe	svchost.exe
PID 4636 wrote to memory of 3732	4636	eaxi.exe	svchost.exe
PID 4636 wrote to memory of 3732	4636	eaxi.exe	svchost.exe
PID 2004 wrote to memory of 2076	2004	56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe	cmd.exe
PID 2004 wrote to memory of 2076	2004	56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe	cmd.exe
PID 2004 wrote to memory of 2076	2004	56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:3352

C:\Users\Admin\AppData\Local\Temp\56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\56213a6487ab2bccbc59e7e87aabff95_JaffaCakes118.exe"
2⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2004

C:\Users\Admin\eaxi.exe
"C:\Users\Admin\eaxi.exe" /r
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1144

C:\Users\Admin\eaxi.exe
"C:\Users\Admin\eaxi.exe" /r
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4636

C:\Windows\SysWOW64\svchost.exe
svchost.exe
5⤵
PID:3732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3732 -s 320
6⤵
- Program crash
PID:3964

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\5504.bat" "
3⤵
PID:2076

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3732 -ip 3732
1⤵
PID:1164

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\5504.bat
Filesize
117B

MD5
c7280fb5ee50157f35084abc765a4e74

SHA1
4c1c7a57bf19232cb38dca15a298f561554cd2d3

SHA256
255e474dc0d30684a6c067374b95b0082e9aa282affe220737f39cb90d9113a4

SHA512
bc58a5d324c791d3ccbfc80458f582c7deb8e48140c3796f0730e9c1816ecac96a578726dd8db54f1dc4271815f7d2eaba36ed4d14565138b6e9ef96837c2c9f

Download Submit
C:\Users\Admin\eaxi.exe
Filesize
133KB

MD5
56213a6487ab2bccbc59e7e87aabff95

SHA1
40748ef8241587c207311160e9d1115e0bb4c374

SHA256
4270d9f809d18daa8f77b828246d5d2130dcd899e20656cfe0bff05332db991e

SHA512
c8c60671d23ad59dc7dd7dd7f02ee6988904bc9d72a162ac68b2e9e43da8f7ca13ddc9d49e81686840ae2776ba1b8f37fddc3705c6d9f7a1acba9da871d5cc3d

Download Submit
memory/2004-0-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2004-2-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2004-7-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3732-13-0x0000000000BA0000-0x0000000000BB0000-memory.dmp

Filesize
64KB

Download
memory/3732-20-0x0000000000BA0000-0x0000000000BB0000-memory.dmp

Filesize
64KB

Download
memory/3732-27-0x0000000000BA0000-0x0000000000BB0000-memory.dmp

Filesize
64KB

Download
memory/3732-28-0x0000000002BE0000-0x0000000002BE1000-memory.dmp

Filesize
4KB

Download
memory/3732-29-0x0000000000BA0000-0x0000000000BB0000-memory.dmp

Filesize
64KB

Download
memory/3732-30-0x0000000000BA0000-0x0000000000BB0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads