tofsee | 231eebbfeac8480860af0aa2e57c275bf2c1e7fa26288fb1424cbbc9e261e69f

General

Target

5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe
Size

255KB
MD5

5a6f1e62b8443543418fe946cc21951c
SHA1

4bb3dc57fd0dda3e85c3f156142d8670777336c5
SHA256

231eebbfeac8480860af0aa2e57c275bf2c1e7fa26288fb1424cbbc9e261e69f
SHA512

e11fe0aa39137381a877c908b27b5bab0a0421109526462dffbd84b81c9ba47a756677e77d1e0ebf1555e407598d1205a006080174efb783606e5977fe8a92d8
SSDEEP

6144:csGUGKYxh+tcgagqz1YXoZcNYXoZcNYXoZcNYX:LGUGdh+tcgbqz1YXoZcNYXoZcNYXoZca

Score

10^/10

tofsee persistence trojan

Malware Config

Extracted

Family

tofsee

C2

31.210.119.2

188.165.132.183

rgtryhbgddtyh.biz

wertdghbyrukl.ch

Signatures

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1536 cmd.exe
Executes dropped EXE 2 IoCs

Processes:

aydoyg.exeaydoyg.exe

pid process

2040 aydoyg.exe
2800 aydoyg.exe
Loads dropped DLL 3 IoCs

Processes:

5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exeaydoyg.exe

pid process

2364 5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe
2364 5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe
2040 aydoyg.exe

pid	process
1536	cmd.exe

pid	process
2040	aydoyg.exe
2800	aydoyg.exe

pid	process
2364	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe
2364	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe
2040	aydoyg.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSConfig = "\"C:\\Users\\Admin\\aydoyg.exe\" /r"	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exeaydoyg.exeaydoyg.exe

description	pid	process	target process
PID 2524 set thread context of 2364	2524	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe
PID 2040 set thread context of 2800	2040	aydoyg.exe	aydoyg.exe
PID 2800 set thread context of 2828	2800	aydoyg.exe	svchost.exe

Suspicious use of WriteProcessMemory 34 IoCs

Processes:

5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exeaydoyg.exeaydoyg.exe

description	pid	process	target process
PID 2524 wrote to memory of 2364	2524	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe
PID 2524 wrote to memory of 2364	2524	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe
PID 2524 wrote to memory of 2364	2524	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe
PID 2524 wrote to memory of 2364	2524	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe
PID 2524 wrote to memory of 2364	2524	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe
PID 2524 wrote to memory of 2364	2524	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe
PID 2524 wrote to memory of 2364	2524	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe
PID 2524 wrote to memory of 2364	2524	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe
PID 2524 wrote to memory of 2364	2524	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe
PID 2524 wrote to memory of 2364	2524	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe
PID 2364 wrote to memory of 2040	2364	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe	aydoyg.exe
PID 2364 wrote to memory of 2040	2364	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe	aydoyg.exe
PID 2364 wrote to memory of 2040	2364	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe	aydoyg.exe
PID 2364 wrote to memory of 2040	2364	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe	aydoyg.exe
PID 2364 wrote to memory of 1536	2364	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe	cmd.exe
PID 2364 wrote to memory of 1536	2364	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe	cmd.exe
PID 2364 wrote to memory of 1536	2364	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe	cmd.exe
PID 2364 wrote to memory of 1536	2364	5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe	cmd.exe
PID 2040 wrote to memory of 2800	2040	aydoyg.exe	aydoyg.exe
PID 2040 wrote to memory of 2800	2040	aydoyg.exe	aydoyg.exe
PID 2040 wrote to memory of 2800	2040	aydoyg.exe	aydoyg.exe
PID 2040 wrote to memory of 2800	2040	aydoyg.exe	aydoyg.exe
PID 2040 wrote to memory of 2800	2040	aydoyg.exe	aydoyg.exe
PID 2040 wrote to memory of 2800	2040	aydoyg.exe	aydoyg.exe
PID 2040 wrote to memory of 2800	2040	aydoyg.exe	aydoyg.exe
PID 2040 wrote to memory of 2800	2040	aydoyg.exe	aydoyg.exe
PID 2040 wrote to memory of 2800	2040	aydoyg.exe	aydoyg.exe
PID 2040 wrote to memory of 2800	2040	aydoyg.exe	aydoyg.exe
PID 2800 wrote to memory of 2828	2800	aydoyg.exe	svchost.exe
PID 2800 wrote to memory of 2828	2800	aydoyg.exe	svchost.exe
PID 2800 wrote to memory of 2828	2800	aydoyg.exe	svchost.exe
PID 2800 wrote to memory of 2828	2800	aydoyg.exe	svchost.exe
PID 2800 wrote to memory of 2828	2800	aydoyg.exe	svchost.exe
PID 2800 wrote to memory of 2828	2800	aydoyg.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2524

C:\Users\Admin\AppData\Local\Temp\5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5a6f1e62b8443543418fe946cc21951c_JaffaCakes118.exe"
2⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2364

C:\Users\Admin\aydoyg.exe
"C:\Users\Admin\aydoyg.exe" /r
3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2040

C:\Users\Admin\aydoyg.exe
"C:\Users\Admin\aydoyg.exe" /r
4⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2800

C:\Windows\SysWOW64\svchost.exe
svchost.exe
5⤵
PID:2828

C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\8652.bat" "
3⤵
- Deletes itself
PID:1536

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\8652.bat
Filesize
117B

MD5
900e98af12c059c9874f589baacd5ead

SHA1
9ca5db7f48bf3c94cfeb46afa65d6bc307fdb762

SHA256
31fb27714f89685e0c73fc168c36132175e7ef372e2e5cd259474ca1d63d615d

SHA512
d13be4df50ef1c4f6a3b40409342e232d7965ac9328cdf305909959cf9687bbadb63903048f47f17735fc37d221b432fbe90aa6da6b442ccbf37850c185d4cd9

Download Submit
C:\Users\Admin\aydoyg.exe
Filesize
255KB

MD5
5a6f1e62b8443543418fe946cc21951c

SHA1
4bb3dc57fd0dda3e85c3f156142d8670777336c5

SHA256
231eebbfeac8480860af0aa2e57c275bf2c1e7fa26288fb1424cbbc9e261e69f

SHA512
e11fe0aa39137381a877c908b27b5bab0a0421109526462dffbd84b81c9ba47a756677e77d1e0ebf1555e407598d1205a006080174efb783606e5977fe8a92d8

Download Submit
memory/2364-14-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2364-34-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2364-7-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2364-0-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2364-4-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2364-16-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2364-12-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2364-2-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2364-8-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2364-10-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2800-60-0x0000000000401000-0x000000000040C000-memory.dmp

Filesize
44KB

Download
memory/2800-58-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/2828-62-0x00000000000C0000-0x00000000000F6000-memory.dmp

Filesize
216KB

Download
memory/2828-63-0x00000000000C0000-0x00000000000F6000-memory.dmp

Filesize
216KB

Download
memory/2828-67-0x00000000000C0000-0x00000000000F6000-memory.dmp

Filesize
216KB

Download
memory/2828-57-0x00000000000C0000-0x00000000000F6000-memory.dmp

Filesize
216KB

Download
memory/2828-55-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2828-68-0x00000000000C0000-0x00000000000F6000-memory.dmp

Filesize
216KB

Download
memory/2828-69-0x00000000000C0000-0x00000000000F6000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads