zgrat | 2a111b1a6650ea6e6b369583f8afe1bf8c5bb6164cb12f8e833d0638c1c2deaf

Analysis

max time kernel
137s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
14-05-2024 04:46

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General

Target

db537a09e0185f8b941af6a5d2ceda40.exe
Size

596KB
MD5

db537a09e0185f8b941af6a5d2ceda40
SHA1

8747013070a23b3d9dd386c1baab0cb79cff3786
SHA256

2a111b1a6650ea6e6b369583f8afe1bf8c5bb6164cb12f8e833d0638c1c2deaf
SHA512

1ecd816a35c50ccbb78a3911d517fe292c4ac8431cc54446ffd3136657dc0d1cc793800c5c5bef31cd76847c0c2cf1968c87f68b841a4bd245e1ced7ab3a37c7
SSDEEP

12288:Z48Xz4N3jJuKiMGejML/ldDKdgM/pMp00TIhmP8mWdCcLxUX0M39F+n:ePNT0KR/MqdgMhr6IhmkmWXuEM3Cn

Score

10^/10

zgrat agilenet execution rat

Malware Config

Signatures

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral2/memory/3260-2-0x0000000005900000-0x00000000059E8000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-67-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-51-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-23-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-17-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-15-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-65-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-63-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-61-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-59-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-57-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-55-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-53-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-49-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-47-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-45-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-43-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-41-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-39-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-37-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-35-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-33-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-31-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-29-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-27-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-26-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-21-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-19-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-13-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-11-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-9-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-7-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-5-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1
behavioral2/memory/3260-4-0x0000000005900000-0x00000000059E2000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
Downloads MZ/PE file

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\nynhjwczp.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\nynhjwczp.exe	Powershell.exe

Executes dropped EXE 2 IoCs

pid	Process
4624	nynhjwczp.exe
5012	nynhjwczp.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

resource	yara_rule
behavioral2/memory/4624-2219-0x0000000005E60000-0x0000000005F34000-memory.dmp	agile_net

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4624 set thread context of 5012	4624	nynhjwczp.exe	89

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4268	Powershell.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
5012	nynhjwczp.exe

Suspicious behavior: EnumeratesProcesses 28 IoCs

pid	Process
4624	nynhjwczp.exe
4624	nynhjwczp.exe
4624	nynhjwczp.exe
4624	nynhjwczp.exe
4624	nynhjwczp.exe
4624	nynhjwczp.exe
4624	nynhjwczp.exe
4624	nynhjwczp.exe
4624	nynhjwczp.exe
4624	nynhjwczp.exe
4624	nynhjwczp.exe
4624	nynhjwczp.exe
4624	nynhjwczp.exe
4624	nynhjwczp.exe
4624	nynhjwczp.exe
4624	nynhjwczp.exe
4624	nynhjwczp.exe
4624	nynhjwczp.exe
4268	Powershell.exe
4624	nynhjwczp.exe
4624	nynhjwczp.exe
4624	nynhjwczp.exe
4624	nynhjwczp.exe
4624	nynhjwczp.exe
4624	nynhjwczp.exe
4624	nynhjwczp.exe
4624	nynhjwczp.exe
4268	Powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3260	db537a09e0185f8b941af6a5d2ceda40.exe
Token: SeDebugPrivilege	4624	nynhjwczp.exe
Token: SeDebugPrivilege	4268	Powershell.exe
Token: SeDebugPrivilege	5012	nynhjwczp.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4624 wrote to memory of 4268	4624	nynhjwczp.exe	87
PID 4624 wrote to memory of 4268	4624	nynhjwczp.exe	87
PID 4624 wrote to memory of 4268	4624	nynhjwczp.exe	87
PID 4624 wrote to memory of 5012	4624	nynhjwczp.exe	89
PID 4624 wrote to memory of 5012	4624	nynhjwczp.exe	89
PID 4624 wrote to memory of 5012	4624	nynhjwczp.exe	89
PID 4624 wrote to memory of 5012	4624	nynhjwczp.exe	89
PID 4624 wrote to memory of 5012	4624	nynhjwczp.exe	89
PID 4624 wrote to memory of 5012	4624	nynhjwczp.exe	89
PID 4624 wrote to memory of 5012	4624	nynhjwczp.exe	89
PID 4624 wrote to memory of 5012	4624	nynhjwczp.exe	89

C:\Users\Admin\AppData\Local\Temp\db537a09e0185f8b941af6a5d2ceda40.exe
"C:\Users\Admin\AppData\Local\Temp\db537a09e0185f8b941af6a5d2ceda40.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3260

C:\Users\Admin\AppData\Local\Temp\nynhjwczp.exe
C:\Users\Admin\AppData\Local\Temp\nynhjwczp.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4624
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
  "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\nynhjwczp.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\nynhjwczp.exe' -Force
  2⤵
  - Drops startup file
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4268
- C:\Users\Admin\AppData\Local\Temp\nynhjwczp.exe
  "C:\Users\Admin\AppData\Local\Temp\nynhjwczp.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: AddClipboardFormatListener
  - Suspicious use of AdjustPrivilegeToken
  PID:5012

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\nynhjwczp.exe.log

Filesize
1KB

MD5
0558c1421c8055b48ee469af53aa6c85

SHA1
5fbb01847adc3c4b3a67bd50db083357d6bc4efa

SHA256
7d3800257c46946cef2203244847520f0e16db338db8032ced936e1a56f9da9c

SHA512
6e8ad527620ba26bdf7786241e2c1c223aa88ddbe23445d75b44644f423c153436aacdf31394e9d10479b9f308a7dd89188695875b753e6fc71ae95ee7b79817

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_e3cd22wf.a44.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\nynhjwczp.exe

Filesize
26KB

MD5
1f90151f3470f316a645a6617534a0be

SHA1
80dd3641418ff22c353b2d1f0f4c86990cfdaee1

SHA256
aae9e126f03798f15445e8f308bbf43e9bda6a9e1ffaa9fe2dfd75eb65fef74c

SHA512
5609219d6a7ece553032589d9765e7fcf394253fa4df5d64539e231a4350bf9c8b3bfd2ec5ca1904a6584b793f3a174353261e23983f7ac428b7957379eccbcf

Download Submit
memory/3260-4-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-15-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-51-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-23-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-17-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-2205-0x0000000005B10000-0x0000000005B5C000-memory.dmp

Filesize
304KB

Download
memory/3260-65-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-63-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-61-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-59-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-2206-0x0000000005D10000-0x0000000005D76000-memory.dmp

Filesize
408KB

Download
memory/3260-55-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-53-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-49-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-47-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-45-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-43-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-41-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-39-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-37-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-35-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-33-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-31-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-29-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-27-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-26-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-21-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-19-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-13-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-2204-0x0000000005A30000-0x0000000005A86000-memory.dmp

Filesize
344KB

Download
memory/3260-9-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-7-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-5-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-0-0x0000000074C8E000-0x0000000074C8F000-memory.dmp

Filesize
4KB

Download
memory/3260-11-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-67-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-57-0x0000000005900000-0x00000000059E2000-memory.dmp

Filesize
904KB

Download
memory/3260-2207-0x00000000061F0000-0x0000000006244000-memory.dmp

Filesize
336KB

Download
memory/3260-3-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/3260-3108-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/3260-3100-0x0000000074C8E000-0x0000000074C8F000-memory.dmp

Filesize
4KB

Download
memory/3260-1-0x0000000000F20000-0x0000000000FBC000-memory.dmp

Filesize
624KB

Download
memory/3260-2-0x0000000005900000-0x00000000059E8000-memory.dmp

Filesize
928KB

Download
memory/4268-3103-0x0000000006C80000-0x0000000006CA2000-memory.dmp

Filesize
136KB

Download
memory/4268-2235-0x0000000006120000-0x0000000006142000-memory.dmp

Filesize
136KB

Download
memory/4268-3107-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/4268-2236-0x00000000061C0000-0x0000000006226000-memory.dmp

Filesize
408KB

Download
memory/4268-3102-0x0000000006C30000-0x0000000006C4A000-memory.dmp

Filesize
104KB

Download
memory/4268-3101-0x0000000007740000-0x00000000077D6000-memory.dmp

Filesize
600KB

Download
memory/4268-2222-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/4268-2223-0x0000000002DE0000-0x0000000002E16000-memory.dmp

Filesize
216KB

Download
memory/4268-3098-0x00000000067E0000-0x000000000682C000-memory.dmp

Filesize
304KB

Download
memory/4268-2225-0x00000000057D0000-0x0000000005DF8000-memory.dmp

Filesize
6.2MB

Download
memory/4268-2224-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/4268-3097-0x00000000062A0000-0x00000000062BE000-memory.dmp

Filesize
120KB

Download
memory/4268-2243-0x0000000006340000-0x0000000006694000-memory.dmp

Filesize
3.3MB

Download
memory/4624-2221-0x00000000062C0000-0x000000000635C000-memory.dmp

Filesize
624KB

Download
memory/4624-2219-0x0000000005E60000-0x0000000005F34000-memory.dmp

Filesize
848KB

Download
memory/4624-2357-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/4624-2218-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/4624-2214-0x00000000052F0000-0x0000000005894000-memory.dmp

Filesize
5.6MB

Download
memory/4624-2217-0x0000000004D40000-0x0000000004DB6000-memory.dmp

Filesize
472KB

Download
memory/4624-2213-0x0000000074C80000-0x0000000075430000-memory.dmp

Filesize
7.7MB

Download
memory/4624-2212-0x0000000000370000-0x000000000037C000-memory.dmp

Filesize
48KB

Download
memory/4624-2220-0x0000000006030000-0x000000000604E000-memory.dmp

Filesize
120KB

Download
memory/4624-2215-0x0000000004BF0000-0x0000000004C82000-memory.dmp

Filesize
584KB

Download
memory/4624-2216-0x0000000004C90000-0x0000000004C9A000-memory.dmp

Filesize
40KB

Download
memory/5012-3099-0x0000000005730000-0x0000000005786000-memory.dmp

Filesize
344KB

Download
memory/5012-2241-0x0000000000400000-0x00000000004A8000-memory.dmp

Filesize
672KB

Download
memory/5012-2242-0x0000000005580000-0x0000000005646000-memory.dmp

Filesize
792KB

Download