zgrat | cd2cc1403cb829e7d7454a3a80d9875834bd3b0837e56493369f2d842bf3f569

Resubmissions

03/01/2024, 11:37

240103-nrgycafdf4 10

03/01/2024, 11:18

240103-nd9q7scgfm 10

Analysis

max time kernel
164s
max time network
173s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/01/2024, 11:37

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General

Target

Debug.exe
Size

631KB
MD5

eec03d362a4c66fe6ac8064ae68bda50
SHA1

8aa051b9c7f201eb9504fb7023bbc5ffa2458293
SHA256

cd2cc1403cb829e7d7454a3a80d9875834bd3b0837e56493369f2d842bf3f569
SHA512

e6f07b5171fee9fa534f57376aaf6061e541da4ad9cee2e50b3d2ee3eed7cd2d0ed2942a479e8887dc7e4247e969b081b5ebef758854e7c62be35e2af49a8f2d
SSDEEP

12288:vEZR29MfzdOwMI5F09MyMeWR+KSS2g/Pd35/K9TGH4CaxJDua:MZR29Mfzdu6LyZTIdJ/K98n6u

Score

10^/10

zgrat rat

Malware Config

Signatures

Detect ZGRat V1 2 IoCs

resource	yara_rule
behavioral3/memory/928-1-0x0000019673900000-0x0000019673A02000-memory.dmp	family_zgrat_v1
behavioral3/memory/824-35-0x00000220B0470000-0x00000220B0572000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

Executes dropped EXE 1 IoCs

pid	Process
1248	Name.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1248 set thread context of 824	1248	Name.exe	102

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
1164	powershell.exe
1164	powershell.exe
1164	powershell.exe
824	aspnet_compiler.exe
824	aspnet_compiler.exe
824	aspnet_compiler.exe
824	aspnet_compiler.exe
824	aspnet_compiler.exe
824	aspnet_compiler.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	928	Debug.exe
Token: SeDebugPrivilege	1164	powershell.exe
Token: SeDebugPrivilege	1248	Name.exe
Token: SeDebugPrivilege	824	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1248 wrote to memory of 824	1248	Name.exe	102
PID 1248 wrote to memory of 824	1248	Name.exe	102
PID 1248 wrote to memory of 824	1248	Name.exe	102
PID 1248 wrote to memory of 824	1248	Name.exe	102
PID 1248 wrote to memory of 824	1248	Name.exe	102
PID 1248 wrote to memory of 824	1248	Name.exe	102

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\Debug.exe
"C:\Users\Admin\AppData\Local\Temp\Debug.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:928

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc 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
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1164

C:\Users\Admin\AppData\Roaming\Default\Name.exe
C:\Users\Admin\AppData\Roaming\Default\Name.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1248
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_compiler.exe
  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\aspnet_compiler.exe
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1ebknxbd.p1c.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Default\Name.exe

Filesize
631KB

MD5
eec03d362a4c66fe6ac8064ae68bda50

SHA1
8aa051b9c7f201eb9504fb7023bbc5ffa2458293

SHA256
cd2cc1403cb829e7d7454a3a80d9875834bd3b0837e56493369f2d842bf3f569

SHA512
e6f07b5171fee9fa534f57376aaf6061e541da4ad9cee2e50b3d2ee3eed7cd2d0ed2942a479e8887dc7e4247e969b081b5ebef758854e7c62be35e2af49a8f2d

Download Submit
memory/824-45-0x00000220C8ED0000-0x00000220C8EE0000-memory.dmp

Filesize
64KB

Download
memory/824-44-0x00000220C8ED0000-0x00000220C8EE0000-memory.dmp

Filesize
64KB

Download
memory/824-43-0x00000220C8ED0000-0x00000220C8EE0000-memory.dmp

Filesize
64KB

Download
memory/824-42-0x00000220C8ED0000-0x00000220C8EE0000-memory.dmp

Filesize
64KB

Download
memory/824-41-0x00007FF996A00000-0x00007FF9974C1000-memory.dmp

Filesize
10.8MB

Download
memory/824-40-0x00000220C8ED0000-0x00000220C8EE0000-memory.dmp

Filesize
64KB

Download
memory/824-37-0x00000220C8ED0000-0x00000220C8EE0000-memory.dmp

Filesize
64KB

Download
memory/824-36-0x00007FF996A00000-0x00007FF9974C1000-memory.dmp

Filesize
10.8MB

Download
memory/824-35-0x00000220B0470000-0x00000220B0572000-memory.dmp

Filesize
1.0MB

Download
memory/928-24-0x00007FF996A00000-0x00007FF9974C1000-memory.dmp

Filesize
10.8MB

Download
memory/928-6-0x0000019673A00000-0x0000019673A54000-memory.dmp

Filesize
336KB

Download
memory/928-1-0x0000019673900000-0x0000019673A02000-memory.dmp

Filesize
1.0MB

Download
memory/928-0-0x00000196713C0000-0x0000019671462000-memory.dmp

Filesize
648KB

Download
memory/928-28-0x00007FF996A00000-0x00007FF9974C1000-memory.dmp

Filesize
10.8MB

Download
memory/928-2-0x00007FF996A00000-0x00007FF9974C1000-memory.dmp

Filesize
10.8MB

Download
memory/928-3-0x0000019673AB0000-0x0000019673AC0000-memory.dmp

Filesize
64KB

Download
memory/928-4-0x00000196730A0000-0x00000196730F6000-memory.dmp

Filesize
344KB

Download
memory/928-5-0x0000019671830000-0x000001967187C000-memory.dmp

Filesize
304KB

Download
memory/1164-19-0x00000270B73C0000-0x00000270B73D0000-memory.dmp

Filesize
64KB

Download
memory/1164-8-0x00000270B73C0000-0x00000270B73D0000-memory.dmp

Filesize
64KB

Download
memory/1164-7-0x00007FF996A00000-0x00007FF9974C1000-memory.dmp

Filesize
10.8MB

Download
memory/1164-14-0x00000270CFB00000-0x00000270CFB22000-memory.dmp

Filesize
136KB

Download
memory/1164-20-0x00000270B73C0000-0x00000270B73D0000-memory.dmp

Filesize
64KB

Download
memory/1164-23-0x00007FF996A00000-0x00007FF9974C1000-memory.dmp

Filesize
10.8MB

Download
memory/1248-39-0x00007FF996A00000-0x00007FF9974C1000-memory.dmp

Filesize
10.8MB

Download
memory/1248-34-0x00000199EC930000-0x00000199EC940000-memory.dmp

Filesize
64KB

Download
memory/1248-32-0x00000199EC930000-0x00000199EC940000-memory.dmp

Filesize
64KB

Download
memory/1248-31-0x00007FF996A00000-0x00007FF9974C1000-memory.dmp

Filesize
10.8MB

Download