tofsee | 696b2374ef2ff5564406f1722f31758fb7b6bd30c3e046b628ab8126a7d06c8e

General

Target

696b2374ef2ff5564406f1722f31758fb7b6bd30c3e046b628ab8126a7d06c8e.exe
Size

12.0MB
MD5

8caceb5caa0779ebb2c9767a1e0d5e80
SHA1

385e4b0570b66ef9ba8001f3224693cc0bfd1d54
SHA256

696b2374ef2ff5564406f1722f31758fb7b6bd30c3e046b628ab8126a7d06c8e
SHA512

a7d0064e08ffe1a73e772c04ee5121100f339ff7e8acbd39c497d18fabcbbed362dd41691f69f1898a171a04bcb2e5565fbb979f4ffb500b94e9bda53d1d77f8
SSDEEP

1536:IXKMn8zcQzaBCAXdEWp2xcR+R9ARBYNDW72RS1qziipd1f55iDV9V:ov0KTd3p2xcgrA4NS6jzTjyh9

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

103.248.137.133

59.188.74.26

115.230.124.76

111.121.193.242

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee
Creates new service(s) 1 TTPs
persistence

Windows Service
T1543.003

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Windows Service

T1543.003

pid	Process
4452	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\aeubgrmr\ImagePath = "C:\\Windows\\SysWOW64\\aeubgrmr\\aobnnjrt.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-1-5-21-984744499-3605095035-265325720-1000\Control Panel\International\Geo\Nation	696b2374ef2ff5564406f1722f31758fb7b6bd30c3e046b628ab8126a7d06c8e.exe

Deletes itself 1 IoCs

pid	Process
380	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3212	aobnnjrt.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3212 set thread context of 380	3212	aobnnjrt.exe	107

Launches sc.exe 3 IoCs

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

pid	Process
4644	sc.exe
4572	sc.exe
4776	sc.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 5052	2544	696b2374ef2ff5564406f1722f31758fb7b6bd30c3e046b628ab8126a7d06c8e.exe	89
PID 2544 wrote to memory of 5052	2544	696b2374ef2ff5564406f1722f31758fb7b6bd30c3e046b628ab8126a7d06c8e.exe	89
PID 2544 wrote to memory of 5052	2544	696b2374ef2ff5564406f1722f31758fb7b6bd30c3e046b628ab8126a7d06c8e.exe	89
PID 2544 wrote to memory of 1196	2544	696b2374ef2ff5564406f1722f31758fb7b6bd30c3e046b628ab8126a7d06c8e.exe	92
PID 2544 wrote to memory of 1196	2544	696b2374ef2ff5564406f1722f31758fb7b6bd30c3e046b628ab8126a7d06c8e.exe	92
PID 2544 wrote to memory of 1196	2544	696b2374ef2ff5564406f1722f31758fb7b6bd30c3e046b628ab8126a7d06c8e.exe	92
PID 2544 wrote to memory of 4644	2544	696b2374ef2ff5564406f1722f31758fb7b6bd30c3e046b628ab8126a7d06c8e.exe	95
PID 2544 wrote to memory of 4644	2544	696b2374ef2ff5564406f1722f31758fb7b6bd30c3e046b628ab8126a7d06c8e.exe	95
PID 2544 wrote to memory of 4644	2544	696b2374ef2ff5564406f1722f31758fb7b6bd30c3e046b628ab8126a7d06c8e.exe	95
PID 2544 wrote to memory of 4572	2544	696b2374ef2ff5564406f1722f31758fb7b6bd30c3e046b628ab8126a7d06c8e.exe	99
PID 2544 wrote to memory of 4572	2544	696b2374ef2ff5564406f1722f31758fb7b6bd30c3e046b628ab8126a7d06c8e.exe	99
PID 2544 wrote to memory of 4572	2544	696b2374ef2ff5564406f1722f31758fb7b6bd30c3e046b628ab8126a7d06c8e.exe	99
PID 2544 wrote to memory of 4776	2544	696b2374ef2ff5564406f1722f31758fb7b6bd30c3e046b628ab8126a7d06c8e.exe	101
PID 2544 wrote to memory of 4776	2544	696b2374ef2ff5564406f1722f31758fb7b6bd30c3e046b628ab8126a7d06c8e.exe	101
PID 2544 wrote to memory of 4776	2544	696b2374ef2ff5564406f1722f31758fb7b6bd30c3e046b628ab8126a7d06c8e.exe	101
PID 2544 wrote to memory of 4452	2544	696b2374ef2ff5564406f1722f31758fb7b6bd30c3e046b628ab8126a7d06c8e.exe	104
PID 2544 wrote to memory of 4452	2544	696b2374ef2ff5564406f1722f31758fb7b6bd30c3e046b628ab8126a7d06c8e.exe	104
PID 2544 wrote to memory of 4452	2544	696b2374ef2ff5564406f1722f31758fb7b6bd30c3e046b628ab8126a7d06c8e.exe	104
PID 3212 wrote to memory of 380	3212	aobnnjrt.exe	107
PID 3212 wrote to memory of 380	3212	aobnnjrt.exe	107
PID 3212 wrote to memory of 380	3212	aobnnjrt.exe	107
PID 3212 wrote to memory of 380	3212	aobnnjrt.exe	107
PID 3212 wrote to memory of 380	3212	aobnnjrt.exe	107

C:\Users\Admin\AppData\Local\Temp\696b2374ef2ff5564406f1722f31758fb7b6bd30c3e046b628ab8126a7d06c8e.exe
"C:\Users\Admin\AppData\Local\Temp\696b2374ef2ff5564406f1722f31758fb7b6bd30c3e046b628ab8126a7d06c8e.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2544
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\aeubgrmr\
  2⤵
  PID:5052
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\aobnnjrt.exe" C:\Windows\SysWOW64\aeubgrmr\
  2⤵
  PID:1196
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" create aeubgrmr binPath= "C:\Windows\SysWOW64\aeubgrmr\aobnnjrt.exe /d\"C:\Users\Admin\AppData\Local\Temp\696b2374ef2ff5564406f1722f31758fb7b6bd30c3e046b628ab8126a7d06c8e.exe\"" type= own start= auto DisplayName= "P2P Support"
  2⤵
  - Launches sc.exe
  PID:4644
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" description aeubgrmr "Internet Mobile Support"
  2⤵
  - Launches sc.exe
  PID:4572
- C:\Windows\SysWOW64\sc.exe
  "C:\Windows\System32\sc.exe" start aeubgrmr
  2⤵
  - Launches sc.exe
  PID:4776
- 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
  PID:4452

C:\Windows\SysWOW64\aeubgrmr\aobnnjrt.exe
C:\Windows\SysWOW64\aeubgrmr\aobnnjrt.exe /d"C:\Users\Admin\AppData\Local\Temp\696b2374ef2ff5564406f1722f31758fb7b6bd30c3e046b628ab8126a7d06c8e.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3212
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Sets service image path in registry
  - Deletes itself
  PID:380

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

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

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

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\aobnnjrt.exe

Filesize
10.8MB

MD5
25f6ea8320ca80531bca5db17875d8c2

SHA1
ef3a5e47f5485f14c9d72454b5bfe2be7c4d63d9

SHA256
252ea435157f2a94c59cde80de964bf1a3ebe597f36d09ecebe8542e969a59f6

SHA512
43fd85c24fbc33884f8595d006a5f318740a5bcbe4bd365b34a1906ece07b2500eae736e476f6ec9568f5e634d3ee5e90ba6c1511a6d665e3d460719f8b8418c

Download Submit
C:\Windows\SysWOW64\aeubgrmr\aobnnjrt.exe

Filesize
10.8MB

MD5
25f6ea8320ca80531bca5db17875d8c2

SHA1
ef3a5e47f5485f14c9d72454b5bfe2be7c4d63d9

SHA256
252ea435157f2a94c59cde80de964bf1a3ebe597f36d09ecebe8542e969a59f6

SHA512
43fd85c24fbc33884f8595d006a5f318740a5bcbe4bd365b34a1906ece07b2500eae736e476f6ec9568f5e634d3ee5e90ba6c1511a6d665e3d460719f8b8418c

Download Submit
memory/380-11-0x00000000007A0000-0x00000000007B6000-memory.dmp

Filesize
88KB

Download
memory/380-15-0x00000000007A0000-0x00000000007B6000-memory.dmp

Filesize
88KB

Download
memory/380-16-0x00000000007A0000-0x00000000007B6000-memory.dmp

Filesize
88KB

Download
memory/380-17-0x00000000007A0000-0x00000000007B6000-memory.dmp

Filesize
88KB

Download
memory/380-18-0x00000000007A0000-0x00000000007B6000-memory.dmp

Filesize
88KB

Download
memory/2544-1-0x00000000026C0000-0x00000000026C1000-memory.dmp

Filesize
4KB

Download
memory/2544-2-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2544-6-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2544-3-0x00000000006D0000-0x00000000006D1000-memory.dmp

Filesize
4KB

Download
memory/2544-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3212-8-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/3212-9-0x0000000001260000-0x0000000001261000-memory.dmp

Filesize
4KB

Download
memory/3212-12-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads