zgrat | 6d0b474f71319576e3781210487157ee50753f09e2bbe584a65c0b438971c984

Analysis

max time kernel
151s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10-03-2024 17:33

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General

Target

tmp.exe
Size

2.7MB
MD5

c45914bb84b2703e5bebe5a16945b168
SHA1

0647b49184a37099e39c43556e8d0244909edef3
SHA256

6d0b474f71319576e3781210487157ee50753f09e2bbe584a65c0b438971c984
SHA512

6de8933a35dfcf99c57b5a37fcebcc5d72eab69b2db78b11af9174acd179edde2d226688ea8d114940a8762e46e8ebec63dbe9bcc4ac20385645c4341d681928
SSDEEP

24576:p2oQPs1XwWHYdSA9CMjBALuxY4OPsW7LQ3IA/6oYESBJ+YavIz+q/pGzxLoO9uWQ:/2sihLjqqY4LWY3ITd9BJ+YaPcNO

Score

10^/10

zgrat rat

Malware Config

Signatures

Detect ZGRat V1 1 IoCs

resource	yara_rule
behavioral2/memory/1648-18-0x00000000081D0000-0x00000000082E2000-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\uosxncu.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\uosxncu.exe	Powershell.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4740 set thread context of 960	4740	tmp.exe	105
PID 1648 set thread context of 4988	1648	uosxncu.exe	115

Suspicious behavior: EnumeratesProcesses 27 IoCs

pid	Process
1648	uosxncu.exe
1648	uosxncu.exe
1648	uosxncu.exe
1648	uosxncu.exe
1648	uosxncu.exe
1648	uosxncu.exe
1648	uosxncu.exe
1648	uosxncu.exe
1648	uosxncu.exe
1648	uosxncu.exe
1648	uosxncu.exe
1648	uosxncu.exe
1648	uosxncu.exe
1648	uosxncu.exe
1648	uosxncu.exe
1648	uosxncu.exe
1648	uosxncu.exe
1648	uosxncu.exe
1648	uosxncu.exe
1648	uosxncu.exe
2692	Powershell.exe
2692	Powershell.exe
1648	uosxncu.exe
1648	uosxncu.exe
1648	uosxncu.exe
1648	uosxncu.exe
2692	Powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1648	uosxncu.exe
Token: SeDebugPrivilege	2692	Powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 4740 wrote to memory of 960	4740	tmp.exe	105
PID 4740 wrote to memory of 960	4740	tmp.exe	105
PID 4740 wrote to memory of 960	4740	tmp.exe	105
PID 4740 wrote to memory of 960	4740	tmp.exe	105
PID 4740 wrote to memory of 960	4740	tmp.exe	105
PID 1648 wrote to memory of 2692	1648	uosxncu.exe	111
PID 1648 wrote to memory of 2692	1648	uosxncu.exe	111
PID 1648 wrote to memory of 2692	1648	uosxncu.exe	111
PID 1648 wrote to memory of 1012	1648	uosxncu.exe	113
PID 1648 wrote to memory of 1012	1648	uosxncu.exe	113
PID 1648 wrote to memory of 1012	1648	uosxncu.exe	113
PID 1648 wrote to memory of 4628	1648	uosxncu.exe	114
PID 1648 wrote to memory of 4628	1648	uosxncu.exe	114
PID 1648 wrote to memory of 4628	1648	uosxncu.exe	114
PID 1648 wrote to memory of 4988	1648	uosxncu.exe	115
PID 1648 wrote to memory of 4988	1648	uosxncu.exe	115
PID 1648 wrote to memory of 4988	1648	uosxncu.exe	115
PID 1648 wrote to memory of 4988	1648	uosxncu.exe	115
PID 1648 wrote to memory of 4988	1648	uosxncu.exe	115
PID 1648 wrote to memory of 4988	1648	uosxncu.exe	115
PID 1648 wrote to memory of 4988	1648	uosxncu.exe	115
PID 1648 wrote to memory of 4988	1648	uosxncu.exe	115
PID 1648 wrote to memory of 4988	1648	uosxncu.exe	115
PID 1648 wrote to memory of 4988	1648	uosxncu.exe	115

C:\Users\Admin\AppData\Local\Temp\tmp.exe
"C:\Users\Admin\AppData\Local\Temp\tmp.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4740
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
  2⤵
  PID:960

C:\Users\Admin\AppData\Local\Temp\uosxncu.exe
C:\Users\Admin\AppData\Local\Temp\uosxncu.exe
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
  "Powershell.exe" -exec bypass -c Copy-Item 'C:\Users\Admin\AppData\Local\Temp\uosxncu.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\uosxncu.exe' -Force
  2⤵
  - Drops startup file
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2692
- C:\Users\Admin\AppData\Local\Temp\uosxncu.exe
  "C:\Users\Admin\AppData\Local\Temp\uosxncu.exe"
  2⤵
  PID:1012
- C:\Users\Admin\AppData\Local\Temp\uosxncu.exe
  "C:\Users\Admin\AppData\Local\Temp\uosxncu.exe"
  2⤵
  PID:4628
- C:\Users\Admin\AppData\Local\Temp\uosxncu.exe
  "C:\Users\Admin\AppData\Local\Temp\uosxncu.exe"
  2⤵
  PID:4988

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3896 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8
1⤵
PID:2720

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lkzvhaut.vnu.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/960-9-0x0000000071490000-0x00000000714A2000-memory.dmp

Filesize
72KB

Download
memory/960-5-0x0000000000950000-0x00000000009EC000-memory.dmp

Filesize
624KB

Download
memory/1648-14-0x00000000032A0000-0x00000000032B0000-memory.dmp

Filesize
64KB

Download
memory/1648-18-0x00000000081D0000-0x00000000082E2000-memory.dmp

Filesize
1.1MB

Download
memory/1648-11-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/1648-12-0x0000000005D20000-0x00000000062C4000-memory.dmp

Filesize
5.6MB

Download
memory/1648-13-0x00000000056B0000-0x0000000005742000-memory.dmp

Filesize
584KB

Download
memory/1648-68-0x00000000032A0000-0x00000000032B0000-memory.dmp

Filesize
64KB

Download
memory/1648-15-0x0000000005690000-0x000000000569A000-memory.dmp

Filesize
40KB

Download
memory/1648-10-0x0000000000DB0000-0x0000000000DC4000-memory.dmp

Filesize
80KB

Download
memory/1648-19-0x0000000008580000-0x000000000861C000-memory.dmp

Filesize
624KB

Download
memory/1648-22-0x0000000077BC1000-0x0000000077CE1000-memory.dmp

Filesize
1.1MB

Download
memory/1648-66-0x00000000032A0000-0x00000000032B0000-memory.dmp

Filesize
64KB

Download
memory/1648-52-0x00000000032A0000-0x00000000032B0000-memory.dmp

Filesize
64KB

Download
memory/1648-50-0x00000000032A0000-0x00000000032B0000-memory.dmp

Filesize
64KB

Download
memory/1648-40-0x00000000032A0000-0x00000000032B0000-memory.dmp

Filesize
64KB

Download
memory/1648-39-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/2692-54-0x0000000006810000-0x000000000682A000-memory.dmp

Filesize
104KB

Download
memory/2692-51-0x00000000063C0000-0x000000000640C000-memory.dmp

Filesize
304KB

Download
memory/2692-28-0x0000000005C30000-0x0000000005C96000-memory.dmp

Filesize
408KB

Download
memory/2692-23-0x0000000002D00000-0x0000000002D36000-memory.dmp

Filesize
216KB

Download
memory/2692-59-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/2692-55-0x00000000072D0000-0x00000000072F2000-memory.dmp

Filesize
136KB

Download
memory/2692-53-0x0000000006880000-0x0000000006916000-memory.dmp

Filesize
600KB

Download
memory/2692-27-0x0000000005420000-0x0000000005442000-memory.dmp

Filesize
136KB

Download
memory/2692-26-0x0000000005590000-0x0000000005BB8000-memory.dmp

Filesize
6.2MB

Download
memory/2692-24-0x00000000751C0000-0x0000000075970000-memory.dmp

Filesize
7.7MB

Download
memory/2692-46-0x0000000005D10000-0x0000000006064000-memory.dmp

Filesize
3.3MB

Download
memory/2692-29-0x0000000005CA0000-0x0000000005D06000-memory.dmp

Filesize
408KB

Download
memory/2692-25-0x0000000002D80000-0x0000000002D90000-memory.dmp

Filesize
64KB

Download
memory/2692-49-0x0000000006300000-0x000000000631E000-memory.dmp

Filesize
120KB

Download
memory/4740-2-0x00007FF746840000-0x00007FF746B54000-memory.dmp

Filesize
3.1MB

Download
memory/4740-6-0x00007FF746840000-0x00007FF746B54000-memory.dmp

Filesize
3.1MB

Download
memory/4988-65-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/4988-35-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/4988-41-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/4988-37-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/4988-36-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/4988-64-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/4988-48-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/4988-38-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/4988-67-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/4988-47-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/4988-71-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/4988-72-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/4988-77-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download
memory/4988-78-0x0000000000400000-0x0000000000445000-memory.dmp

Filesize
276KB

Download