zgrat | 4a299f5b0de81d51e75d45e9b49e830e4230346329d9ed15197ddf1ac2853644

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
15-05-2024 12:52

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General

Target

15052024_1252_windows.exe
Size

4.5MB
MD5

ef0124f238734460752a0de9e85501bc
SHA1

8dcbd7b8c753329ffc4a68a4bac8c3ab5ba62dfb
SHA256

4a299f5b0de81d51e75d45e9b49e830e4230346329d9ed15197ddf1ac2853644
SHA512

6aa0476b378bf34eb274ef2b62d8cb12f2c5014cae0e02a6ffea55e4c0fd009e07f8816b23bb6ad2ed57a0a8173668ae3c24f94bcecd131348c5347510fcac3c
SSDEEP

24576:Qlrjm7Kt49nF49dqHsuCF04Q/qqO4NcAU3AFje+4VF9KfhtvI71TQcJWIK6u:v

Score

10^/10

zgrat persistence rat

Malware Config

Signatures

Detect ZGRat V1 34 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1980-2-0x0000019A47510000-0x0000019A4774E000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-16-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-48-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-58-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-66-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-64-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-62-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-60-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-56-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-54-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-52-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-50-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-46-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-44-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-42-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-40-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-38-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-36-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-34-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-32-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-31-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-28-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-26-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-24-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-22-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-20-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-14-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-12-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-10-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-8-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-6-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-4-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-18-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1
behavioral2/memory/1980-3-0x0000019A47510000-0x0000019A47747000-memory.dmp	family_zgrat_v1

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

explorere

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation explorere

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	explorere

Drops startup file 1 IoCs

Processes:

explorere

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\{C2C9946F-BF9A-4B6A-A474-D93A39453B33}.lnk	explorere

Executes dropped EXE 2 IoCs

Processes:

explorereexplorere

pid process

1316 explorere
1980 explorere

pid	process
1316	explorere
1980	explorere

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

explorere

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\{AB1F3E47-AEF1-400E-A108-233A046C3A34} = "C:\\ProgramData\\windows\\explorere {0E5F88F2-8842-4587-BAA0-4F799FD9DF2C}"	explorere

Suspicious use of SetThreadContext 2 IoCs

Processes:

15052024_1252_windows.exeexplorere

description	pid	process	target process
PID 1980 set thread context of 1092	1980	15052024_1252_windows.exe	15052024_1252_windows.exe
PID 1316 set thread context of 1980	1316	explorere	explorere

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

15052024_1252_windows.exeexplorere

description	pid	process
Token: SeDebugPrivilege	1980	15052024_1252_windows.exe
Token: SeDebugPrivilege	1980	15052024_1252_windows.exe
Token: SeDebugPrivilege	1316	explorere
Token: SeDebugPrivilege	1316	explorere

Suspicious use of WriteProcessMemory 22 IoCs

Processes:

15052024_1252_windows.exe15052024_1252_windows.exeexplorere

description	pid	process	target process
PID 1980 wrote to memory of 1092	1980	15052024_1252_windows.exe	15052024_1252_windows.exe
PID 1980 wrote to memory of 1092	1980	15052024_1252_windows.exe	15052024_1252_windows.exe
PID 1980 wrote to memory of 1092	1980	15052024_1252_windows.exe	15052024_1252_windows.exe
PID 1980 wrote to memory of 1092	1980	15052024_1252_windows.exe	15052024_1252_windows.exe
PID 1980 wrote to memory of 1092	1980	15052024_1252_windows.exe	15052024_1252_windows.exe
PID 1980 wrote to memory of 1092	1980	15052024_1252_windows.exe	15052024_1252_windows.exe
PID 1980 wrote to memory of 1092	1980	15052024_1252_windows.exe	15052024_1252_windows.exe
PID 1980 wrote to memory of 1092	1980	15052024_1252_windows.exe	15052024_1252_windows.exe
PID 1980 wrote to memory of 1092	1980	15052024_1252_windows.exe	15052024_1252_windows.exe
PID 1980 wrote to memory of 1092	1980	15052024_1252_windows.exe	15052024_1252_windows.exe
PID 1092 wrote to memory of 1316	1092	15052024_1252_windows.exe	explorere
PID 1092 wrote to memory of 1316	1092	15052024_1252_windows.exe	explorere
PID 1316 wrote to memory of 1980	1316	explorere	explorere
PID 1316 wrote to memory of 1980	1316	explorere	explorere
PID 1316 wrote to memory of 1980	1316	explorere	explorere
PID 1316 wrote to memory of 1980	1316	explorere	explorere
PID 1316 wrote to memory of 1980	1316	explorere	explorere
PID 1316 wrote to memory of 1980	1316	explorere	explorere
PID 1316 wrote to memory of 1980	1316	explorere	explorere
PID 1316 wrote to memory of 1980	1316	explorere	explorere
PID 1316 wrote to memory of 1980	1316	explorere	explorere
PID 1316 wrote to memory of 1980	1316	explorere	explorere

C:\Users\Admin\AppData\Local\Temp\15052024_1252_windows.exe
"C:\Users\Admin\AppData\Local\Temp\15052024_1252_windows.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1980
- C:\Users\Admin\AppData\Local\Temp\15052024_1252_windows.exe
  "C:\Users\Admin\AppData\Local\Temp\15052024_1252_windows.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1092
- - C:\ProgramData\windows\explorere
    "C:\ProgramData\windows\explorere" {4B08985C-0E0F-4678-84A8-2A0974B289FF}
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1316
  - - C:\ProgramData\windows\explorere
      "C:\ProgramData\windows\explorere"
      4⤵
      Checks computer location settings
      Drops startup file
      Executes dropped EXE
      Adds Run key to start application
      PID:1980

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\windows\explorere

Filesize
4.5MB

MD5
ef0124f238734460752a0de9e85501bc

SHA1
8dcbd7b8c753329ffc4a68a4bac8c3ab5ba62dfb

SHA256
4a299f5b0de81d51e75d45e9b49e830e4230346329d9ed15197ddf1ac2853644

SHA512
6aa0476b378bf34eb274ef2b62d8cb12f2c5014cae0e02a6ffea55e4c0fd009e07f8816b23bb6ad2ed57a0a8173668ae3c24f94bcecd131348c5347510fcac3c

Download Submit
memory/1092-4894-0x0000000140000000-0x000000014006B000-memory.dmp

Filesize
428KB

Download
memory/1092-4900-0x0000000140000000-0x000000014006B000-memory.dmp

Filesize
428KB

Download
memory/1316-4901-0x00007FFB97D63000-0x00007FFB97D65000-memory.dmp

Filesize
8KB

Download
memory/1316-9782-0x00007FFB97D60000-0x00007FFB98821000-memory.dmp

Filesize
10.8MB

Download
memory/1316-9793-0x00007FFB97D60000-0x00007FFB98821000-memory.dmp

Filesize
10.8MB

Download
memory/1316-9784-0x00007FFB97D60000-0x00007FFB98821000-memory.dmp

Filesize
10.8MB

Download
memory/1316-9783-0x00007FFB97D63000-0x00007FFB97D65000-memory.dmp

Filesize
8KB

Download
memory/1980-32-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-22-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-58-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-66-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-64-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-62-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-60-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-56-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-54-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-52-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-50-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-46-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-44-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-42-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-40-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-38-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-36-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-34-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-16-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-31-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-28-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-26-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-24-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-48-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-20-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-14-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-12-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-10-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-8-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-6-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-4-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-18-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-3-0x0000019A47510000-0x0000019A47747000-memory.dmp

Filesize
2.2MB

Download
memory/1980-4883-0x00007FFB97D60000-0x00007FFB98821000-memory.dmp

Filesize
10.8MB

Download
memory/1980-4884-0x0000019A47850000-0x0000019A478CA000-memory.dmp

Filesize
488KB

Download
memory/1980-4885-0x0000019A478D0000-0x0000019A4791C000-memory.dmp

Filesize
304KB

Download
memory/1980-4886-0x00007FFB97D60000-0x00007FFB98821000-memory.dmp

Filesize
10.8MB

Download
memory/1980-4887-0x00007FFB97D63000-0x00007FFB97D65000-memory.dmp

Filesize
8KB

Download
memory/1980-4888-0x00007FFB97D60000-0x00007FFB98821000-memory.dmp

Filesize
10.8MB

Download
memory/1980-2-0x0000019A47510000-0x0000019A4774E000-memory.dmp

Filesize
2.2MB

Download
memory/1980-1-0x0000019A2CC60000-0x0000019A2D0E0000-memory.dmp

Filesize
4.5MB

Download
memory/1980-4889-0x0000019A47920000-0x0000019A47974000-memory.dmp

Filesize
336KB

Download
memory/1980-4896-0x00007FFB97D60000-0x00007FFB98821000-memory.dmp

Filesize
10.8MB

Download
memory/1980-9790-0x0000000140000000-0x000000014006B000-memory.dmp

Filesize
428KB

Download
memory/1980-0-0x00007FFB97D63000-0x00007FFB97D65000-memory.dmp

Filesize
8KB

Download
memory/1980-9799-0x0000000140000000-0x000000014006B000-memory.dmp

Filesize
428KB

Download