tofsee | 9400d92d71e8ba8516cbe64f0c7f9bb96f2cf53a80d0ccf6a8395dd756e02578

General

Target

2024-06-24_79fad093383e3c94ea3ecee506420340_mafia.exe
Size

12.4MB
MD5

79fad093383e3c94ea3ecee506420340
SHA1

e82c29ce35cfe3e30a10853335db090c65e5677a
SHA256

9400d92d71e8ba8516cbe64f0c7f9bb96f2cf53a80d0ccf6a8395dd756e02578
SHA512

e4a142dcadb98b35daac5287575cb9d8706e5294b35dc82d1aa6b0c45743e5555c52cb6b979f5cf529c37bd2a1cc8fb8b65db57c47f202aed6f3e6af5857ee83
SSDEEP

6144:m+rWO2zeSPDjMXMH7Ll4aFpWVqIwUAP97GEwHrG2+e1x2:m+r1IeSXMXc7LlxWV4Ug97GZ+ej

Score

10^/10

tofsee evasion execution persistence privilege_escalation 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) 2 TTPs
persistence execution

Windows Service
T1543.003

Service Execution
T1569.002
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

3984 netsh.exe

pid	process
3984	netsh.exe

Sets service image path in registry 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

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

2024-06-24_79fad093383e3c94ea3ecee506420340_mafia.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	2024-06-24_79fad093383e3c94ea3ecee506420340_mafia.exe

Deletes itself 1 IoCs

Processes:

svchost.exe

pid process

1504 svchost.exe
Executes dropped EXE 1 IoCs

Processes:

ggflwkru.exe

pid process

1748 ggflwkru.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

ggflwkru.exe

description pid process target process

PID 1748 set thread context of 1504 1748 ggflwkru.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

5092 sc.exe
2944 sc.exe
4524 sc.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
1504	svchost.exe

pid	process
1748	ggflwkru.exe

description	pid	process	target process
PID 1748 set thread context of 1504	1748	ggflwkru.exe	svchost.exe

pid	process
5092	sc.exe
2944	sc.exe
4524	sc.exe

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

Processes:

netsh.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Suspicious use of WriteProcessMemory 23 IoCs

Processes:

2024-06-24_79fad093383e3c94ea3ecee506420340_mafia.exeggflwkru.exe

description	pid	process	target process
PID 4028 wrote to memory of 4956	4028	2024-06-24_79fad093383e3c94ea3ecee506420340_mafia.exe	cmd.exe
PID 4028 wrote to memory of 4956	4028	2024-06-24_79fad093383e3c94ea3ecee506420340_mafia.exe	cmd.exe
PID 4028 wrote to memory of 4956	4028	2024-06-24_79fad093383e3c94ea3ecee506420340_mafia.exe	cmd.exe
PID 4028 wrote to memory of 5060	4028	2024-06-24_79fad093383e3c94ea3ecee506420340_mafia.exe	cmd.exe
PID 4028 wrote to memory of 5060	4028	2024-06-24_79fad093383e3c94ea3ecee506420340_mafia.exe	cmd.exe
PID 4028 wrote to memory of 5060	4028	2024-06-24_79fad093383e3c94ea3ecee506420340_mafia.exe	cmd.exe
PID 4028 wrote to memory of 5092	4028	2024-06-24_79fad093383e3c94ea3ecee506420340_mafia.exe	sc.exe
PID 4028 wrote to memory of 5092	4028	2024-06-24_79fad093383e3c94ea3ecee506420340_mafia.exe	sc.exe
PID 4028 wrote to memory of 5092	4028	2024-06-24_79fad093383e3c94ea3ecee506420340_mafia.exe	sc.exe
PID 4028 wrote to memory of 2944	4028	2024-06-24_79fad093383e3c94ea3ecee506420340_mafia.exe	sc.exe
PID 4028 wrote to memory of 2944	4028	2024-06-24_79fad093383e3c94ea3ecee506420340_mafia.exe	sc.exe
PID 4028 wrote to memory of 2944	4028	2024-06-24_79fad093383e3c94ea3ecee506420340_mafia.exe	sc.exe
PID 4028 wrote to memory of 4524	4028	2024-06-24_79fad093383e3c94ea3ecee506420340_mafia.exe	sc.exe
PID 4028 wrote to memory of 4524	4028	2024-06-24_79fad093383e3c94ea3ecee506420340_mafia.exe	sc.exe
PID 4028 wrote to memory of 4524	4028	2024-06-24_79fad093383e3c94ea3ecee506420340_mafia.exe	sc.exe
PID 4028 wrote to memory of 3984	4028	2024-06-24_79fad093383e3c94ea3ecee506420340_mafia.exe	netsh.exe
PID 4028 wrote to memory of 3984	4028	2024-06-24_79fad093383e3c94ea3ecee506420340_mafia.exe	netsh.exe
PID 4028 wrote to memory of 3984	4028	2024-06-24_79fad093383e3c94ea3ecee506420340_mafia.exe	netsh.exe
PID 1748 wrote to memory of 1504	1748	ggflwkru.exe	svchost.exe
PID 1748 wrote to memory of 1504	1748	ggflwkru.exe	svchost.exe
PID 1748 wrote to memory of 1504	1748	ggflwkru.exe	svchost.exe
PID 1748 wrote to memory of 1504	1748	ggflwkru.exe	svchost.exe
PID 1748 wrote to memory of 1504	1748	ggflwkru.exe	svchost.exe

C:\Users\Admin\AppData\Local\Temp\2024-06-24_79fad093383e3c94ea3ecee506420340_mafia.exe
"C:\Users\Admin\AppData\Local\Temp\2024-06-24_79fad093383e3c94ea3ecee506420340_mafia.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4028

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\rifrcmrq\
2⤵
PID:4956

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\ggflwkru.exe" C:\Windows\SysWOW64\rifrcmrq\
2⤵
PID:5060

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create rifrcmrq binPath= "C:\Windows\SysWOW64\rifrcmrq\ggflwkru.exe /d\"C:\Users\Admin\AppData\Local\Temp\2024-06-24_79fad093383e3c94ea3ecee506420340_mafia.exe\"" type= own start= auto DisplayName= "wifi support"
2⤵
- Launches sc.exe
PID:5092

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description rifrcmrq "wifi internet conection"
2⤵
- Launches sc.exe
PID:2944

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start rifrcmrq
2⤵
- Launches sc.exe
PID:4524

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
- Event Triggered Execution: Netsh Helper DLL
PID:3984

C:\Windows\SysWOW64\rifrcmrq\ggflwkru.exe
C:\Windows\SysWOW64\rifrcmrq\ggflwkru.exe /d"C:\Users\Admin\AppData\Local\Temp\2024-06-24_79fad093383e3c94ea3ecee506420340_mafia.exe"
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1748

C:\Windows\SysWOW64\svchost.exe
svchost.exe
2⤵
- Sets service image path in registry
- Deletes itself
PID:1504

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4160 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8
1⤵
PID:3160

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

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

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

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

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

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\ggflwkru.exe
Filesize
12.6MB

MD5
a65cdd3430416187ab6448bf9eb1ff66

SHA1
5a77d8a310e89cc522535eac1ff33fe4349c9603

SHA256
7b9a8344f40b33ea640feae79ccc037afc16506b65b957ab5d95bd3af68c6fcb

SHA512
b6fedadc1fc391c703e15d54008b58ddf1a11e0cb194f6f0b4856b4b330a2ca42cfc8388d49b9614fc30d5ee657c4d89173f8df4e7ae841eda9e18a5d9e78442

Download Submit
memory/1504-12-0x00000000010E0000-0x00000000010F5000-memory.dmp

Filesize
84KB

Download
memory/1504-17-0x00000000010E0000-0x00000000010F5000-memory.dmp

Filesize
84KB

Download
memory/1504-16-0x00000000010E0000-0x00000000010F5000-memory.dmp

Filesize
84KB

Download
memory/1504-15-0x00000000010E0000-0x00000000010F5000-memory.dmp

Filesize
84KB

Download
memory/1748-10-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/1748-11-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/1748-14-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/4028-1-0x0000000000660000-0x0000000000760000-memory.dmp

Filesize
1024KB

Download
memory/4028-6-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/4028-7-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4028-4-0x0000000000400000-0x000000000051A000-memory.dmp

Filesize
1.1MB

Download
memory/4028-2-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads