tofsee | 71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451

General

Target

71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe
Size

2.0MB
MD5

b5829ea81cde8f48ba1190e20e6bb15d
SHA1

51fbb15275360bbf2a866f339045527e941e1a85
SHA256

71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451
SHA512

d84e43e6cf342d0e7696be6b1cbcf42dce5d1efe518f4949faa8841ee398a25a63a6e41440eb10ba0d276454ba73752c9ffb17eddbfd0813a636646663e26b4a
SSDEEP

49152:aaXI0V7PoU9lHrHmvtiLGMIqCGLhRSCquJnm:3Y0V7gU9l2tiLGVGLhRvquJnm

Score

10^/10

tofsee zgrat evasion execution persistence rat spyware trojan

Malware Config

Extracted

Family

tofsee

C2

vanaheim.cn

jotunheim.name

Signatures

Detect ZGRat V1 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/760-28-0x0000000000400000-0x0000000000484000-memory.dmp	family_zgrat_v1

Tofsee
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
trojan tofsee
ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
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

3176 netsh.exe
Executes dropped EXE 1 IoCs

Processes:

boomlmzz.exe

pid process

3576 boomlmzz.exe
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

pid	process
3176	netsh.exe

pid	process
3576	boomlmzz.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exeAddInProcess32.exe

description	pid	process	target process
PID 2172 set thread context of 4500	2172	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	AddInProcess32.exe
PID 2172 set thread context of 2728	2172	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	AddInProcess32.exe
PID 4500 set thread context of 760	4500	AddInProcess32.exe	InstallUtil.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

2928 sc.exe
3864 sc.exe
2332 sc.exe

pid	process
2928	sc.exe
3864	sc.exe
2332	sc.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exeAddInProcess32.exeInstallUtil.exe

pid	process
2172	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe
2172	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe
4500	AddInProcess32.exe
4500	AddInProcess32.exe
760	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

Processes:

71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exeAddInProcess32.exeInstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	2172	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe
Token: SeDebugPrivilege	4500	AddInProcess32.exe
Token: SeDebugPrivilege	760	InstallUtil.exe
Token: SeBackupPrivilege	760	InstallUtil.exe
Token: SeSecurityPrivilege	760	InstallUtil.exe
Token: SeSecurityPrivilege	760	InstallUtil.exe
Token: SeSecurityPrivilege	760	InstallUtil.exe
Token: SeSecurityPrivilege	760	InstallUtil.exe

Suspicious use of WriteProcessMemory 43 IoCs

Processes:

71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exeAddInProcess32.exeAddInProcess32.exe

description	pid	process	target process
PID 2172 wrote to memory of 4500	2172	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	AddInProcess32.exe
PID 2172 wrote to memory of 4500	2172	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	AddInProcess32.exe
PID 2172 wrote to memory of 4500	2172	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	AddInProcess32.exe
PID 2172 wrote to memory of 4500	2172	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	AddInProcess32.exe
PID 2172 wrote to memory of 4500	2172	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	AddInProcess32.exe
PID 2172 wrote to memory of 4500	2172	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	AddInProcess32.exe
PID 2172 wrote to memory of 4500	2172	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	AddInProcess32.exe
PID 2172 wrote to memory of 4500	2172	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	AddInProcess32.exe
PID 2172 wrote to memory of 2728	2172	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	AddInProcess32.exe
PID 2172 wrote to memory of 2728	2172	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	AddInProcess32.exe
PID 2172 wrote to memory of 2728	2172	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	AddInProcess32.exe
PID 2172 wrote to memory of 2728	2172	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	AddInProcess32.exe
PID 2172 wrote to memory of 2728	2172	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	AddInProcess32.exe
PID 2172 wrote to memory of 2728	2172	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	AddInProcess32.exe
PID 2172 wrote to memory of 2728	2172	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	AddInProcess32.exe
PID 2172 wrote to memory of 2728	2172	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	AddInProcess32.exe
PID 2172 wrote to memory of 2728	2172	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	AddInProcess32.exe
PID 4500 wrote to memory of 760	4500	AddInProcess32.exe	InstallUtil.exe
PID 4500 wrote to memory of 760	4500	AddInProcess32.exe	InstallUtil.exe
PID 4500 wrote to memory of 760	4500	AddInProcess32.exe	InstallUtil.exe
PID 4500 wrote to memory of 760	4500	AddInProcess32.exe	InstallUtil.exe
PID 4500 wrote to memory of 760	4500	AddInProcess32.exe	InstallUtil.exe
PID 4500 wrote to memory of 760	4500	AddInProcess32.exe	InstallUtil.exe
PID 4500 wrote to memory of 760	4500	AddInProcess32.exe	InstallUtil.exe
PID 4500 wrote to memory of 760	4500	AddInProcess32.exe	InstallUtil.exe
PID 2728 wrote to memory of 1236	2728	AddInProcess32.exe	cmd.exe
PID 2728 wrote to memory of 1236	2728	AddInProcess32.exe	cmd.exe
PID 2728 wrote to memory of 1236	2728	AddInProcess32.exe	cmd.exe
PID 2728 wrote to memory of 2656	2728	AddInProcess32.exe	cmd.exe
PID 2728 wrote to memory of 2656	2728	AddInProcess32.exe	cmd.exe
PID 2728 wrote to memory of 2656	2728	AddInProcess32.exe	cmd.exe
PID 2728 wrote to memory of 2928	2728	AddInProcess32.exe	sc.exe
PID 2728 wrote to memory of 2928	2728	AddInProcess32.exe	sc.exe
PID 2728 wrote to memory of 2928	2728	AddInProcess32.exe	sc.exe
PID 2728 wrote to memory of 3864	2728	AddInProcess32.exe	sc.exe
PID 2728 wrote to memory of 3864	2728	AddInProcess32.exe	sc.exe
PID 2728 wrote to memory of 3864	2728	AddInProcess32.exe	sc.exe
PID 2728 wrote to memory of 2332	2728	AddInProcess32.exe	sc.exe
PID 2728 wrote to memory of 2332	2728	AddInProcess32.exe	sc.exe
PID 2728 wrote to memory of 2332	2728	AddInProcess32.exe	sc.exe
PID 2728 wrote to memory of 3176	2728	AddInProcess32.exe	netsh.exe
PID 2728 wrote to memory of 3176	2728	AddInProcess32.exe	netsh.exe
PID 2728 wrote to memory of 3176	2728	AddInProcess32.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe
"C:\Users\Admin\AppData\Local\Temp\71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2172

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4500

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:760

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2728

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\cnicqzcw\
3⤵
PID:1236

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\boomlmzz.exe" C:\Windows\SysWOW64\cnicqzcw\
3⤵
PID:2656

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" create cnicqzcw binPath= "C:\Windows\SysWOW64\cnicqzcw\boomlmzz.exe /d\"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe\"" type= own start= auto DisplayName= "wifi support"
3⤵
- Launches sc.exe
PID:2928

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" description cnicqzcw "wifi internet conection"
3⤵
- Launches sc.exe
PID:3864

C:\Windows\SysWOW64\sc.exe
"C:\Windows\System32\sc.exe" start cnicqzcw
3⤵
- Launches sc.exe
PID:2332

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
3⤵
- Modifies Windows Firewall
PID:3176

C:\Windows\SysWOW64\cnicqzcw\boomlmzz.exe
C:\Windows\SysWOW64\cnicqzcw\boomlmzz.exe /d"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
1⤵
- Executes dropped EXE
PID:3576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Privilege Escalation

Create or Modify System Process

2

T1543

Windows Service

2

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

1

T1562.004

Credential Access

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\boomlmzz.exe

Filesize
10.1MB

MD5
84cddc8cdf66597f712dd8a91db1aad9

SHA1
065375ddd327e07659112c3d6b46a5f710a61506

SHA256
2662e21891368ecc45633084da01b5449a5c4a734d61903d94b9bd3a9bdb472c

SHA512
41e86951389749d5403b36be5e55aad26384b6401f7b436c08a7d1af8d78c37114c627699567d972a77514045629882b934ae0ed179772072ec2af35c7809cca

Download Submit
memory/760-40-0x000000000A610000-0x000000000AB3C000-memory.dmp

Filesize
5.2MB

Download
memory/760-39-0x0000000009A60000-0x0000000009C22000-memory.dmp

Filesize
1.8MB

Download
memory/760-38-0x0000000008F30000-0x0000000008F4E000-memory.dmp

Filesize
120KB

Download
memory/760-37-0x0000000008F60000-0x0000000008FD6000-memory.dmp

Filesize
472KB

Download
memory/760-36-0x0000000008640000-0x00000000086A6000-memory.dmp

Filesize
408KB

Download
memory/760-35-0x0000000008530000-0x000000000857C000-memory.dmp

Filesize
304KB

Download
memory/760-34-0x00000000083C0000-0x00000000083FC000-memory.dmp

Filesize
240KB

Download
memory/760-33-0x0000000008360000-0x0000000008372000-memory.dmp

Filesize
72KB

Download
memory/760-32-0x0000000008420000-0x000000000852A000-memory.dmp

Filesize
1.0MB

Download
memory/760-31-0x00000000088B0000-0x0000000008EC8000-memory.dmp

Filesize
6.1MB

Download
memory/760-28-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/2172-9-0x0000000006CD0000-0x0000000006CD6000-memory.dmp

Filesize
24KB

Download
memory/2172-6-0x0000000005DB0000-0x0000000005DF4000-memory.dmp

Filesize
272KB

Download
memory/2172-14-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/2172-1-0x0000000000720000-0x0000000000922000-memory.dmp

Filesize
2.0MB

Download
memory/2172-2-0x00000000053C0000-0x0000000005964000-memory.dmp

Filesize
5.6MB

Download
memory/2172-3-0x0000000004EB0000-0x0000000004F42000-memory.dmp

Filesize
584KB

Download
memory/2172-18-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/2172-4-0x0000000004FF0000-0x000000000508C000-memory.dmp

Filesize
624KB

Download
memory/2172-5-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/2172-7-0x0000000006070000-0x000000000607A000-memory.dmp

Filesize
40KB

Download
memory/2172-8-0x0000000006CA0000-0x0000000006CBA000-memory.dmp

Filesize
104KB

Download
memory/2172-24-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/2172-0-0x00000000744BE000-0x00000000744BF000-memory.dmp

Filesize
4KB

Download
memory/2172-11-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/2172-10-0x00000000744BE000-0x00000000744BF000-memory.dmp

Filesize
4KB

Download
memory/2728-23-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2728-21-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4500-30-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/4500-12-0x0000000000400000-0x0000000000538000-memory.dmp

Filesize
1.2MB

Download
memory/4500-13-0x0000000000400000-0x0000000000538000-memory.dmp

Filesize
1.2MB

Download
memory/4500-20-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/4500-19-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/4500-17-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/4500-16-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download
memory/4500-15-0x00000000744B0000-0x0000000074C60000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads