zgrat | a427b998ac966b5f8a4ec510205b075cfe7eaa102ac1d9e1ac0182a54cb33d2c

Analysis

max time kernel
148s
max time network
156s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
29/12/2023, 18:24

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General

Target

005e76ae2d3af2cc2a001745d5e0afd9.exe
Size

2.1MB
MD5

005e76ae2d3af2cc2a001745d5e0afd9
SHA1

fa117b48f316b38db20887ba9b0138a07d686064
SHA256

a427b998ac966b5f8a4ec510205b075cfe7eaa102ac1d9e1ac0182a54cb33d2c
SHA512

2e5bb3e7d95230c012014184bb29ddbd56328fc8d63738ebf50923d5e86461d2f2511c32ca930d23eeec81b4a0d4ad54a4be0c782dfe01904a276a74636a1e8b
SSDEEP

49152:ftBEvg4rSx4YYKOvp+QoqkxR/NPmmRFyxGFrEN0FN63lSY:fQvg4G6YDxQoqkxBNPXmUylD

Score

10^/10

zgrat persistence rat

Malware Config

Signatures

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral1/memory/2228-6-0x0000000002080000-0x00000000020EA000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-7-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-10-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-14-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-16-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-22-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-28-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-32-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-30-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-26-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-34-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-46-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-52-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-66-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-70-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-68-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-64-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-62-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-60-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-58-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-56-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-54-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-50-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-48-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-44-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-42-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-40-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-38-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-36-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-24-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-20-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-18-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-12-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1
behavioral1/memory/2228-8-0x0000000002080000-0x00000000020E3000-memory.dmp	family_zgrat_v1

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ntuser = "\"C:\\Users\\Admin\\AppData\\Roaming\\Ntuser.exe\""	005e76ae2d3af2cc2a001745d5e0afd9.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs

pid	Process
2112	005e76ae2d3af2cc2a001745d5e0afd9.exe
2112	005e76ae2d3af2cc2a001745d5e0afd9.exe
2112	005e76ae2d3af2cc2a001745d5e0afd9.exe
2112	005e76ae2d3af2cc2a001745d5e0afd9.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2228 set thread context of 2112	2228	005e76ae2d3af2cc2a001745d5e0afd9.exe	31

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2228	005e76ae2d3af2cc2a001745d5e0afd9.exe
2228	005e76ae2d3af2cc2a001745d5e0afd9.exe
1060	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2228	005e76ae2d3af2cc2a001745d5e0afd9.exe
Token: SeDebugPrivilege	1060	powershell.exe
Token: SeDebugPrivilege	2112	005e76ae2d3af2cc2a001745d5e0afd9.exe
Token: SeShutdownPrivilege	2112	005e76ae2d3af2cc2a001745d5e0afd9.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2112	005e76ae2d3af2cc2a001745d5e0afd9.exe
2112	005e76ae2d3af2cc2a001745d5e0afd9.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 2252	2228	005e76ae2d3af2cc2a001745d5e0afd9.exe	30
PID 2228 wrote to memory of 2252	2228	005e76ae2d3af2cc2a001745d5e0afd9.exe	30
PID 2228 wrote to memory of 2252	2228	005e76ae2d3af2cc2a001745d5e0afd9.exe	30
PID 2228 wrote to memory of 2252	2228	005e76ae2d3af2cc2a001745d5e0afd9.exe	30
PID 2228 wrote to memory of 2112	2228	005e76ae2d3af2cc2a001745d5e0afd9.exe	31
PID 2228 wrote to memory of 2112	2228	005e76ae2d3af2cc2a001745d5e0afd9.exe	31
PID 2228 wrote to memory of 2112	2228	005e76ae2d3af2cc2a001745d5e0afd9.exe	31
PID 2228 wrote to memory of 2112	2228	005e76ae2d3af2cc2a001745d5e0afd9.exe	31
PID 2228 wrote to memory of 2112	2228	005e76ae2d3af2cc2a001745d5e0afd9.exe	31
PID 2252 wrote to memory of 1060	2252	WScript.exe	33
PID 2252 wrote to memory of 1060	2252	WScript.exe	33
PID 2252 wrote to memory of 1060	2252	WScript.exe	33
PID 2252 wrote to memory of 1060	2252	WScript.exe	33
PID 2228 wrote to memory of 2112	2228	005e76ae2d3af2cc2a001745d5e0afd9.exe	31
PID 2228 wrote to memory of 2112	2228	005e76ae2d3af2cc2a001745d5e0afd9.exe	31
PID 2228 wrote to memory of 2112	2228	005e76ae2d3af2cc2a001745d5e0afd9.exe	31
PID 2228 wrote to memory of 2112	2228	005e76ae2d3af2cc2a001745d5e0afd9.exe	31
PID 2228 wrote to memory of 2112	2228	005e76ae2d3af2cc2a001745d5e0afd9.exe	31
PID 2228 wrote to memory of 2112	2228	005e76ae2d3af2cc2a001745d5e0afd9.exe	31
PID 2228 wrote to memory of 2112	2228	005e76ae2d3af2cc2a001745d5e0afd9.exe	31

C:\Users\Admin\AppData\Local\Temp\005e76ae2d3af2cc2a001745d5e0afd9.exe
"C:\Users\Admin\AppData\Local\Temp\005e76ae2d3af2cc2a001745d5e0afd9.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\_Lvzjypcn.vbs"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2252
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Set-MpPreference -ExclusionPath C:\,'C:\Users\Admin\AppData\Roaming\Ntuser.exe'
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:1060
- C:\Users\Admin\AppData\Local\Temp\005e76ae2d3af2cc2a001745d5e0afd9.exe
  C:\Users\Admin\AppData\Local\Temp\005e76ae2d3af2cc2a001745d5e0afd9.exe
  2⤵
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2112

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\_Lvzjypcn.vbs

Filesize
136B

MD5
24131be6e84c424a31423a9daa683b01

SHA1
38ae56938aa4fd963f066287b4190c929388e074

SHA256
1fe2a89a827cbe4ef046ca27f4d38c1ef1fbe889901f3946a4b7e1d4005cbde7

SHA512
5e0cb79ec9ed8836570393060e0b0f55b1a1a0446922e988913ed4ea4d67567a3a04e7d3a77c73dce596bd0eae530d07f0d2cf0f9cdf6b96001e1737d158704f

Download Submit
memory/1060-1854-0x0000000074130000-0x00000000746DB000-memory.dmp

Filesize
5.7MB

Download
memory/1060-1845-0x00000000026D0000-0x0000000002710000-memory.dmp

Filesize
256KB

Download
memory/1060-1844-0x00000000026D0000-0x0000000002710000-memory.dmp

Filesize
256KB

Download
memory/1060-1843-0x0000000074130000-0x00000000746DB000-memory.dmp

Filesize
5.7MB

Download
memory/1060-1842-0x0000000074130000-0x00000000746DB000-memory.dmp

Filesize
5.7MB

Download
memory/2228-64-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-54-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-10-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-14-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-16-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-22-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-28-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-32-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-30-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-26-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-34-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-46-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-52-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-66-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-70-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-68-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-1-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2228-62-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-60-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-58-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-56-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-7-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-50-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-48-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-44-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-42-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-40-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-38-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-36-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-24-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-20-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-18-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-12-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-8-0x0000000002080000-0x00000000020E3000-memory.dmp

Filesize
396KB

Download
memory/2228-6-0x0000000002080000-0x00000000020EA000-memory.dmp

Filesize
424KB

Download
memory/2228-1838-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2228-5-0x00000000081A0000-0x00000000083AA000-memory.dmp

Filesize
2.0MB

Download
memory/2228-4-0x0000000004C30000-0x0000000004C70000-memory.dmp

Filesize
256KB

Download
memory/2228-3-0x0000000073FF0000-0x00000000746DE000-memory.dmp

Filesize
6.9MB

Download
memory/2228-2-0x0000000004C30000-0x0000000004C70000-memory.dmp

Filesize
256KB

Download
memory/2228-0-0x00000000008D0000-0x0000000000AEC000-memory.dmp

Filesize
2.1MB

Download