tofsee | 80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c

General

Target

80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c.exe
Size

207KB
MD5

ad39ad585aa201d750e984c89aa02e9c
SHA1

142a5de3ec0af160e7f21368e39eb45a654df086
SHA256

80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c
SHA512

6edfe20a8ae02b9b312689225fdd90fb208d8fde57491e9999946f16334600face6776b6011c96c22bd29d58f1fcd3a43addba849893ef89f07e171b96a76794

Score

10^/10

tofsee evasion persistence trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

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

New Service
T1050
Executes dropped EXE 1 IoCs

Processes:

jeliheab.exe

pid process

3372 jeliheab.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1440 netsh.exe

pid	process
3372	jeliheab.exe

pid	process
1440	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\psjxmpyd\ImagePath = "C:\\Windows\\SysWOW64\\psjxmpyd\\jeliheab.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

Processes:

80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation	80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

jeliheab.exe

description pid process target process

PID 3372 set thread context of 324 3372 jeliheab.exe svchost.exe
Launches sc.exe 3 IoCs
Sc.exe is a Windows utlilty to control services on the system.

Processes:

sc.exesc.exesc.exe

pid process

2736 sc.exe
4148 sc.exe
4876 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 3372 set thread context of 324	3372	jeliheab.exe	svchost.exe

pid	process
2736	sc.exe
4148	sc.exe
4876	sc.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c.exejeliheab.exe

description	pid	process	target process
PID 4720 wrote to memory of 4380	4720	80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c.exe	cmd.exe
PID 4720 wrote to memory of 4380	4720	80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c.exe	cmd.exe
PID 4720 wrote to memory of 4380	4720	80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c.exe	cmd.exe
PID 4720 wrote to memory of 4132	4720	80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c.exe	cmd.exe
PID 4720 wrote to memory of 4132	4720	80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c.exe	cmd.exe
PID 4720 wrote to memory of 4132	4720	80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c.exe	cmd.exe
PID 4720 wrote to memory of 2736	4720	80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c.exe	sc.exe
PID 4720 wrote to memory of 2736	4720	80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c.exe	sc.exe
PID 4720 wrote to memory of 2736	4720	80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c.exe	sc.exe
PID 4720 wrote to memory of 4148	4720	80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c.exe	sc.exe
PID 4720 wrote to memory of 4148	4720	80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c.exe	sc.exe
PID 4720 wrote to memory of 4148	4720	80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c.exe	sc.exe
PID 4720 wrote to memory of 4876	4720	80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c.exe	sc.exe
PID 4720 wrote to memory of 4876	4720	80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c.exe	sc.exe
PID 4720 wrote to memory of 4876	4720	80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c.exe	sc.exe
PID 4720 wrote to memory of 1440	4720	80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c.exe	netsh.exe
PID 4720 wrote to memory of 1440	4720	80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c.exe	netsh.exe
PID 4720 wrote to memory of 1440	4720	80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c.exe	netsh.exe
PID 3372 wrote to memory of 324	3372	jeliheab.exe	svchost.exe
PID 3372 wrote to memory of 324	3372	jeliheab.exe	svchost.exe
PID 3372 wrote to memory of 324	3372	jeliheab.exe	svchost.exe
PID 3372 wrote to memory of 324	3372	jeliheab.exe	svchost.exe
PID 3372 wrote to memory of 324	3372	jeliheab.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c.exe
"C:\Users\Admin\AppData\Local\Temp\80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4720

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\psjxmpyd\
2⤵
PID:4380

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\jeliheab.exe" C:\Windows\SysWOW64\psjxmpyd\
2⤵
PID:4132

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create psjxmpyd binPath= "C:\Windows\SysWOW64\psjxmpyd\jeliheab.exe /d\"C:\Users\Admin\AppData\Local\Temp\80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:2736

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description psjxmpyd "wifi internet conection"
2⤵
- Launches sc.exe
PID:4148

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start psjxmpyd
2⤵
- Launches sc.exe
PID:4876

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:1440

C:\Windows\SysWOW64\psjxmpyd\jeliheab.exe
C:\Windows\SysWOW64\psjxmpyd\jeliheab.exe /d"C:\Users\Admin\AppData\Local\Temp\80cd7cddd76f84d868d57a1cd44861c8b4782b6a90e319cacf8369b62f7dc16c.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3372

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
PID:324

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

New Service

1

T1050

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

New Service

1

T1050

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\jeliheab.exe
Filesize
10.8MB

MD5
6d83fb841e5a5d02195596597672f7e6

SHA1
fc0a20b5887463e6b6adc2f6dce8b3915285e65e

SHA256
c4c9e3c960592327712b68f41c554d1e2ea118526ae8741c10760160897cf178

SHA512
215abe535adde4f1420543bbaa792e6ea8445eba13e09d0fe8effbe7febc4c319a11440e01510be38e8b58ba350dff566eedc785bf5d52de639ac2a59dd11a4e

Download Submit
C:\Windows\SysWOW64\psjxmpyd\jeliheab.exe
Filesize
10.8MB

MD5
6d83fb841e5a5d02195596597672f7e6

SHA1
fc0a20b5887463e6b6adc2f6dce8b3915285e65e

SHA256
c4c9e3c960592327712b68f41c554d1e2ea118526ae8741c10760160897cf178

SHA512
215abe535adde4f1420543bbaa792e6ea8445eba13e09d0fe8effbe7febc4c319a11440e01510be38e8b58ba350dff566eedc785bf5d52de639ac2a59dd11a4e

Download Submit
memory/324-151-0x0000000000990000-0x00000000009A5000-memory.dmp

Filesize
84KB

Download
memory/324-150-0x0000000000990000-0x00000000009A5000-memory.dmp

Filesize
84KB

Download
memory/324-145-0x0000000000990000-0x00000000009A5000-memory.dmp

Filesize
84KB

Download
memory/324-144-0x0000000000000000-mapping.dmp

Download
memory/1440-140-0x0000000000000000-mapping.dmp

Download
memory/2736-137-0x0000000000000000-mapping.dmp

Download
memory/3372-146-0x00000000006EC000-0x00000000006FB000-memory.dmp

Filesize
60KB

Download
memory/3372-143-0x00000000006EC000-0x00000000006FB000-memory.dmp

Filesize
60KB

Download
memory/3372-148-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4132-135-0x0000000000000000-mapping.dmp

Download
memory/4148-138-0x0000000000000000-mapping.dmp

Download
memory/4380-134-0x0000000000000000-mapping.dmp

Download
memory/4720-130-0x0000000000511000-0x0000000000520000-memory.dmp

Filesize
60KB

Download
memory/4720-141-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4720-133-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4720-131-0x0000000000511000-0x0000000000520000-memory.dmp

Filesize
60KB

Download
memory/4720-132-0x0000000002050000-0x0000000002063000-memory.dmp

Filesize
76KB

Download
memory/4876-139-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads