zgrat | 3783e7365abe09c1b4fd896b059f741289c2221c6eb9fdfb8c0111da4898252a

Analysis

max time kernel
118s
max time network
161s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
03/02/2024, 22:48

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General

Target

e0deb2fc7bb606d0f2b1ef5f3ca8a857.exe
Size

417KB
MD5

e0deb2fc7bb606d0f2b1ef5f3ca8a857
SHA1

80d044a2b2802a52cfad8daf013d2b1e0ffd55c0
SHA256

3783e7365abe09c1b4fd896b059f741289c2221c6eb9fdfb8c0111da4898252a
SHA512

95287080b24ec8867c2f7dcae30f71e2351b7fe05d3ca7d1c9576c0e6663682e7337b45f1873bf94a1bcb43af91787b733b308e8d606803ec099c666cfcc5ab6
SSDEEP

12288:JoqhAjRgGB/9YilEgy844ZkG75tyR1hHVjvbRl:Joqa/B/9YV84mLvaLnb

Score

10^/10

zgrat persistence rat

Malware Config

Signatures

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral1/memory/2924-3-0x00000000005C0000-0x0000000000694000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-4-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-5-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-7-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-13-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-15-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-11-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-9-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-17-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-19-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-21-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-29-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-27-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-25-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-23-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-35-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-33-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-31-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-37-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-39-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-41-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-43-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-47-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-45-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-51-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-49-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-53-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-55-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-57-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-61-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-67-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-65-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-63-0x00000000005C0000-0x000000000068F000-memory.dmp	family_zgrat_v1
behavioral1/memory/2924-59-0x00000000005C0000-0x000000000068F000-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-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\e0deb2fc7bb606d0f2b1ef5f3ca8a857 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\e0deb2fc7bb606d0f2b1ef5f3ca8a857.exe"	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2612	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2924	e0deb2fc7bb606d0f2b1ef5f3ca8a857.exe
Token: SeDebugPrivilege	2612	powershell.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 2612	2924	e0deb2fc7bb606d0f2b1ef5f3ca8a857.exe	30
PID 2924 wrote to memory of 2612	2924	e0deb2fc7bb606d0f2b1ef5f3ca8a857.exe	30
PID 2924 wrote to memory of 2612	2924	e0deb2fc7bb606d0f2b1ef5f3ca8a857.exe	30
PID 2924 wrote to memory of 2612	2924	e0deb2fc7bb606d0f2b1ef5f3ca8a857.exe	30

C:\Users\Admin\AppData\Local\Temp\e0deb2fc7bb606d0f2b1ef5f3ca8a857.exe
"C:\Users\Admin\AppData\Local\Temp\e0deb2fc7bb606d0f2b1ef5f3ca8a857.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2924
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Remove-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'e0deb2fc7bb606d0f2b1ef5f3ca8a857';New-ItemProperty -Path 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Run' -Name 'e0deb2fc7bb606d0f2b1ef5f3ca8a857' -Value '"C:\Users\Admin\AppData\Local\Temp\e0deb2fc7bb606d0f2b1ef5f3ca8a857.exe"' -PropertyType 'String'
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2612

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Cab984.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
memory/2612-6016-0x0000000070CF0000-0x000000007129B000-memory.dmp

Filesize
5.7MB

Download
memory/2612-6039-0x0000000070CF0000-0x000000007129B000-memory.dmp

Filesize
5.7MB

Download
memory/2612-6022-0x00000000024F0000-0x0000000002530000-memory.dmp

Filesize
256KB

Download
memory/2612-6020-0x00000000024F0000-0x0000000002530000-memory.dmp

Filesize
256KB

Download
memory/2612-6018-0x0000000070CF0000-0x000000007129B000-memory.dmp

Filesize
5.7MB

Download
memory/2612-6017-0x00000000024F0000-0x0000000002530000-memory.dmp

Filesize
256KB

Download
memory/2924-39-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-45-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-11-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-9-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-17-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-19-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-21-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-29-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-27-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-25-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-23-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-35-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-33-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-31-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-37-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-0-0x0000000000990000-0x00000000009FE000-memory.dmp

Filesize
440KB

Download
memory/2924-41-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-43-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-47-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-15-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-51-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-49-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-53-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-55-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-57-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-61-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-67-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-65-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-63-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-59-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-13-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-7-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-5-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-6019-0x0000000074180000-0x000000007486E000-memory.dmp

Filesize
6.9MB

Download
memory/2924-4-0x00000000005C0000-0x000000000068F000-memory.dmp

Filesize
828KB

Download
memory/2924-6021-0x0000000000580000-0x00000000005C0000-memory.dmp

Filesize
256KB

Download
memory/2924-3-0x00000000005C0000-0x0000000000694000-memory.dmp

Filesize
848KB

Download
memory/2924-2-0x0000000000580000-0x00000000005C0000-memory.dmp

Filesize
256KB

Download
memory/2924-1-0x0000000074180000-0x000000007486E000-memory.dmp

Filesize
6.9MB

Download