zgrat | dfba4d1c63cb8b9e426b04fa2b048bfe4554de13e7ce1c2c5e665cc708a23d09

General

Target

SecuriteInfo.com.Trojan.PackedNET.2147.22278.5618.exe
Size

632KB
MD5

9ffcbf13ec0d927ab745589c64dba569
SHA1

74e9aa1a9225f2acc5ee4aa86993970d3d6df5a8
SHA256

dfba4d1c63cb8b9e426b04fa2b048bfe4554de13e7ce1c2c5e665cc708a23d09
SHA512

cb695ca80b70b6b09af9a43d13363aab86186ca0c44d1f324dfb4bb2d978873cde900efc87b4db0ff2b9d0a321b626a1de97c31a995f5c4e437b16ad3f96ae25
SSDEEP

12288:9ziGDwpg7nTwyrc30trN3OERv1Qdee1teN4FhunLNhcZU+sNmtwZ:9jrTNrc3aOgv1OeCeSh0NhQU1NmiZ

Score

10^/10

Malware Config

Signatures

Detect ZGRat V1 1 IoCs

resource	yara_rule
behavioral2/memory/4684-2-0x0000028C77140000-0x0000028C77244000-memory.dmp	family_zgrat_v1

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1284	powershell.exe

Executes dropped EXE 1 IoCs

pid	Process
5052	TypeId.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5052 set thread context of 4960	5052	TypeId.exe	86

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1284	powershell.exe
1284	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4684	SecuriteInfo.com.Trojan.PackedNET.2147.22278.5618.exe
Token: SeDebugPrivilege	1284	powershell.exe
Token: SeDebugPrivilege	5052	TypeId.exe
Token: SeDebugPrivilege	4960	RegSvcs.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5052 wrote to memory of 4960	5052	TypeId.exe	86
PID 5052 wrote to memory of 4960	5052	TypeId.exe	86
PID 5052 wrote to memory of 4960	5052	TypeId.exe	86
PID 5052 wrote to memory of 4960	5052	TypeId.exe	86
PID 5052 wrote to memory of 4960	5052	TypeId.exe	86
PID 5052 wrote to memory of 4960	5052	TypeId.exe	86

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.2147.22278.5618.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.PackedNET.2147.22278.5618.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4684

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy Bypass -WindowStyle Hidden -NoProfile -enc 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
1⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1284

C:\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe
C:\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5052
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
  C:\Windows\Microsoft.NET\Framework64\v4.0.30319\RegSvcs.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:4960

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ykxlelxk.ctn.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\DelaySign\TypeId.exe

Filesize
632KB

MD5
9ffcbf13ec0d927ab745589c64dba569

SHA1
74e9aa1a9225f2acc5ee4aa86993970d3d6df5a8

SHA256
dfba4d1c63cb8b9e426b04fa2b048bfe4554de13e7ce1c2c5e665cc708a23d09

SHA512
cb695ca80b70b6b09af9a43d13363aab86186ca0c44d1f324dfb4bb2d978873cde900efc87b4db0ff2b9d0a321b626a1de97c31a995f5c4e437b16ad3f96ae25

Download Submit
memory/1284-7-0x00007FFBF7790000-0x00007FFBF8251000-memory.dmp

Filesize
10.8MB

Download
memory/1284-20-0x00007FFBF7790000-0x00007FFBF8251000-memory.dmp

Filesize
10.8MB

Download
memory/1284-18-0x000001FEAFFD0000-0x000001FEAFFF2000-memory.dmp

Filesize
136KB

Download
memory/1284-8-0x00007FFBF7790000-0x00007FFBF8251000-memory.dmp

Filesize
10.8MB

Download
memory/4684-4-0x0000028C769C0000-0x0000028C76A16000-memory.dmp

Filesize
344KB

Download
memory/4684-6-0x0000028C77360000-0x0000028C773B4000-memory.dmp

Filesize
336KB

Download
memory/4684-5-0x0000028C76A20000-0x0000028C76A6C000-memory.dmp

Filesize
304KB

Download
memory/4684-0-0x0000028C74C00000-0x0000028C74CA2000-memory.dmp

Filesize
648KB

Download
memory/4684-3-0x00007FFBF7790000-0x00007FFBF8251000-memory.dmp

Filesize
10.8MB

Download
memory/4684-2-0x0000028C77140000-0x0000028C77244000-memory.dmp

Filesize
1.0MB

Download
memory/4684-24-0x00007FFBF7790000-0x00007FFBF8251000-memory.dmp

Filesize
10.8MB

Download
memory/4684-1-0x00007FFBF7793000-0x00007FFBF7795000-memory.dmp

Filesize
8KB

Download
memory/5052-27-0x00007FFBF7790000-0x00007FFBF8251000-memory.dmp

Filesize
10.8MB

Download
memory/5052-30-0x00007FFBF7790000-0x00007FFBF8251000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing