tofsee | 71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451

Analysis

max time kernel
134s
max time network
117s
platform
windows10-2004_x64
resource
win10v2004-20240419-en
resource tags

arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
submitted
05-05-2024 19:46

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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

vanaheim.cn

jotunheim.name

Signatures

Detect ZGRat V1 1 IoCs

resource	yara_rule
behavioral2/memory/4460-32-0x0000000000400000-0x0000000000484000-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

pid	Process
2476	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
4344	qzhfyadd.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1780 set thread context of 4776	1780	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	98
PID 1780 set thread context of 4984	1780	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	101
PID 4776 set thread context of 4460	4776	AddInProcess32.exe	102

Launches sc.exe 3 IoCs

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

pid	Process
4700	sc.exe
3232	sc.exe
2984	sc.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
1780	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe
1780	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe
4776	AddInProcess32.exe
4776	AddInProcess32.exe
4460	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1780	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe
Token: SeDebugPrivilege	4776	AddInProcess32.exe
Token: SeDebugPrivilege	4460	InstallUtil.exe
Token: SeBackupPrivilege	4460	InstallUtil.exe
Token: SeSecurityPrivilege	4460	InstallUtil.exe
Token: SeSecurityPrivilege	4460	InstallUtil.exe
Token: SeSecurityPrivilege	4460	InstallUtil.exe
Token: SeSecurityPrivilege	4460	InstallUtil.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 1780 wrote to memory of 4776	1780	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	98
PID 1780 wrote to memory of 4776	1780	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	98
PID 1780 wrote to memory of 4776	1780	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	98
PID 1780 wrote to memory of 4776	1780	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	98
PID 1780 wrote to memory of 4776	1780	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	98
PID 1780 wrote to memory of 4776	1780	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	98
PID 1780 wrote to memory of 4776	1780	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	98
PID 1780 wrote to memory of 4776	1780	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	98
PID 1780 wrote to memory of 4984	1780	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	101
PID 1780 wrote to memory of 4984	1780	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	101
PID 1780 wrote to memory of 4984	1780	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	101
PID 1780 wrote to memory of 4984	1780	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	101
PID 1780 wrote to memory of 4984	1780	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	101
PID 1780 wrote to memory of 4984	1780	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	101
PID 1780 wrote to memory of 4984	1780	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	101
PID 1780 wrote to memory of 4984	1780	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	101
PID 1780 wrote to memory of 4984	1780	71d1f22830e0f40506171cda626891b4f954ec22f4a4cd0045b37f8d6c404451.exe	101
PID 4776 wrote to memory of 4460	4776	AddInProcess32.exe	102
PID 4776 wrote to memory of 4460	4776	AddInProcess32.exe	102
PID 4776 wrote to memory of 4460	4776	AddInProcess32.exe	102
PID 4776 wrote to memory of 4460	4776	AddInProcess32.exe	102
PID 4776 wrote to memory of 4460	4776	AddInProcess32.exe	102
PID 4776 wrote to memory of 4460	4776	AddInProcess32.exe	102
PID 4776 wrote to memory of 4460	4776	AddInProcess32.exe	102
PID 4776 wrote to memory of 4460	4776	AddInProcess32.exe	102
PID 4984 wrote to memory of 2200	4984	AddInProcess32.exe	108
PID 4984 wrote to memory of 2200	4984	AddInProcess32.exe	108
PID 4984 wrote to memory of 2200	4984	AddInProcess32.exe	108
PID 4984 wrote to memory of 1052	4984	AddInProcess32.exe	110
PID 4984 wrote to memory of 1052	4984	AddInProcess32.exe	110
PID 4984 wrote to memory of 1052	4984	AddInProcess32.exe	110
PID 4984 wrote to memory of 4700	4984	AddInProcess32.exe	112
PID 4984 wrote to memory of 4700	4984	AddInProcess32.exe	112
PID 4984 wrote to memory of 4700	4984	AddInProcess32.exe	112
PID 4984 wrote to memory of 3232	4984	AddInProcess32.exe	114
PID 4984 wrote to memory of 3232	4984	AddInProcess32.exe	114
PID 4984 wrote to memory of 3232	4984	AddInProcess32.exe	114
PID 4984 wrote to memory of 2984	4984	AddInProcess32.exe	116
PID 4984 wrote to memory of 2984	4984	AddInProcess32.exe	116
PID 4984 wrote to memory of 2984	4984	AddInProcess32.exe	116
PID 4984 wrote to memory of 2476	4984	AddInProcess32.exe	119
PID 4984 wrote to memory of 2476	4984	AddInProcess32.exe	119
PID 4984 wrote to memory of 2476	4984	AddInProcess32.exe	119

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:1780
- 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:4776
- - 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:4460
- 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:4984
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C mkdir C:\Windows\SysWOW64\dbbcmnty\
    3⤵
    PID:2200
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /C move /Y "C:\Users\Admin\AppData\Local\Temp\qzhfyadd.exe" C:\Windows\SysWOW64\dbbcmnty\
    3⤵
    PID:1052
- - C:\Windows\SysWOW64\sc.exe
    "C:\Windows\System32\sc.exe" create dbbcmnty binPath= "C:\Windows\SysWOW64\dbbcmnty\qzhfyadd.exe /d\"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe\"" type= own start= auto DisplayName= "wifi support"
    3⤵
    - Launches sc.exe
    PID:4700
- - C:\Windows\SysWOW64\sc.exe
    "C:\Windows\System32\sc.exe" description dbbcmnty "wifi internet conection"
    3⤵
    - Launches sc.exe
    PID:3232
- - C:\Windows\SysWOW64\sc.exe
    "C:\Windows\System32\sc.exe" start dbbcmnty
    3⤵
    - Launches sc.exe
    PID:2984
- - 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:2476

C:\Windows\SysWOW64\dbbcmnty\qzhfyadd.exe
C:\Windows\SysWOW64\dbbcmnty\qzhfyadd.exe /d"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
1⤵
- Executes dropped EXE
PID:4344

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

T1569

Service Execution

T1569.002

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
11.6MB

MD5
c3985f786c35d5e0aeac0d11746b7fa7

SHA1
784c3441ba05c0a2730616b1e247303fd58e23db

SHA256
52b3352c2b83440b961f721e31a19204a28e576772bb619dc98877382e111d3f

SHA512
56a7f939681532146d7db451d8e85ea9eb33242db9f27dcd4a9f806ad2f08d10c9546e435892af7f7556c8754d594d256f57a7080d16bd4f6d70355c68f1ad0b

Download Submit
memory/1780-19-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/1780-0-0x000000007481E000-0x000000007481F000-memory.dmp

Filesize
4KB

Download
memory/1780-3-0x0000000005700000-0x0000000005792000-memory.dmp

Filesize
584KB

Download
memory/1780-4-0x00000000057A0000-0x000000000583C000-memory.dmp

Filesize
624KB

Download
memory/1780-5-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/1780-6-0x00000000065C0000-0x0000000006604000-memory.dmp

Filesize
272KB

Download
memory/1780-7-0x0000000006880000-0x000000000688A000-memory.dmp

Filesize
40KB

Download
memory/1780-8-0x00000000074C0000-0x00000000074DA000-memory.dmp

Filesize
104KB

Download
memory/1780-1-0x00000000002E0000-0x00000000004E2000-memory.dmp

Filesize
2.0MB

Download
memory/1780-10-0x000000007481E000-0x000000007481F000-memory.dmp

Filesize
4KB

Download
memory/1780-11-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/1780-26-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/1780-2-0x0000000005C10000-0x00000000061B4000-memory.dmp

Filesize
5.6MB

Download
memory/1780-15-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/1780-9-0x00000000074F0000-0x00000000074F6000-memory.dmp

Filesize
24KB

Download
memory/4460-43-0x000000000A640000-0x000000000A802000-memory.dmp

Filesize
1.8MB

Download
memory/4460-38-0x00000000086F0000-0x000000000872C000-memory.dmp

Filesize
240KB

Download
memory/4460-44-0x000000000AD40000-0x000000000B26C000-memory.dmp

Filesize
5.2MB

Download
memory/4460-42-0x0000000009250000-0x000000000926E000-memory.dmp

Filesize
120KB

Download
memory/4460-41-0x0000000009290000-0x0000000009306000-memory.dmp

Filesize
472KB

Download
memory/4460-40-0x0000000008970000-0x00000000089D6000-memory.dmp

Filesize
408KB

Download
memory/4460-39-0x0000000008860000-0x00000000088AC000-memory.dmp

Filesize
304KB

Download
memory/4460-37-0x0000000008690000-0x00000000086A2000-memory.dmp

Filesize
72KB

Download
memory/4460-36-0x0000000008750000-0x000000000885A000-memory.dmp

Filesize
1.0MB

Download
memory/4460-35-0x0000000008BE0000-0x00000000091F8000-memory.dmp

Filesize
6.1MB

Download
memory/4460-32-0x0000000000400000-0x0000000000484000-memory.dmp

Filesize
528KB

Download
memory/4776-34-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/4776-20-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/4776-12-0x0000000000400000-0x0000000000538000-memory.dmp

Filesize
1.2MB

Download
memory/4776-18-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/4776-14-0x0000000000400000-0x0000000000538000-memory.dmp

Filesize
1.2MB

Download
memory/4776-16-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/4776-21-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/4776-17-0x0000000074810000-0x0000000074FC0000-memory.dmp

Filesize
7.7MB

Download
memory/4984-22-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4984-27-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4984-25-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4984-31-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download