zgrat | ba1feee88bb96cdca22818dc5e450219ba77d0a5ff69d58f7c06140763ef6592

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
06-05-2024 18:12

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General

Target

ExecPubg.exe
Size

2.8MB
MD5

ccdcccec419d5138153225379d909f16
SHA1

1dd689b6f27acf6d293c7f07b4b780053aa4dfeb
SHA256

ba1feee88bb96cdca22818dc5e450219ba77d0a5ff69d58f7c06140763ef6592
SHA512

9feee655a811442efcf3775af476c2fee0e3c424872a57192c848ac077198c9ab4b84e21cb4b897293864924300df4dc4750910c943ce6917fcd439c7467e949
SSDEEP

49152:Em7utXzs0b/50C8FD2c7um6q1Ro6os7yh/YpE1Bz7KO6LH/zXZTjV0k/nrVxod:E2es09SFDqHJlV/YpA3T6LLXZTjyk/Qd

Score

10^/10

zgrat persistence rat

Malware Config

Signatures

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral1/memory/2460-3-0x000000001B720000-0x000000001B93E000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-19-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-4-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-27-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-29-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-7-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-25-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-33-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-35-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-37-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-45-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-43-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-41-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-47-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-39-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-31-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-23-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-21-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-17-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-15-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-13-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-11-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-9-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-5-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-49-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-51-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-67-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-53-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-65-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-63-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-61-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-59-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-57-0x000000001B720000-0x000000001B939000-memory.dmp	family_zgrat_v1
behavioral1/memory/2460-55-0x000000001B720000-0x000000001B939000-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-1-5-21-2248906074-2862704502-246302768-1000\Software\Microsoft\Windows\CurrentVersion\Run\jaser = "C:\\Users\\Admin\\AppData\\Roaming\\jaser.exe"	ExecPubg.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2460	ExecPubg.exe
2460	ExecPubg.exe
2460	ExecPubg.exe
2460	ExecPubg.exe
2460	ExecPubg.exe
2460	ExecPubg.exe
2460	ExecPubg.exe
2460	ExecPubg.exe
2460	ExecPubg.exe
2460	ExecPubg.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2460	ExecPubg.exe
Token: SeDebugPrivilege	2460	ExecPubg.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2460 wrote to memory of 2896	2460	ExecPubg.exe	28
PID 2460 wrote to memory of 2896	2460	ExecPubg.exe	28
PID 2460 wrote to memory of 2896	2460	ExecPubg.exe	28
PID 2460 wrote to memory of 2472	2460	ExecPubg.exe	29
PID 2460 wrote to memory of 2472	2460	ExecPubg.exe	29
PID 2460 wrote to memory of 2472	2460	ExecPubg.exe	29
PID 2460 wrote to memory of 2524	2460	ExecPubg.exe	30
PID 2460 wrote to memory of 2524	2460	ExecPubg.exe	30
PID 2460 wrote to memory of 2524	2460	ExecPubg.exe	30
PID 2460 wrote to memory of 2588	2460	ExecPubg.exe	31
PID 2460 wrote to memory of 2588	2460	ExecPubg.exe	31
PID 2460 wrote to memory of 2588	2460	ExecPubg.exe	31
PID 2460 wrote to memory of 2600	2460	ExecPubg.exe	32
PID 2460 wrote to memory of 2600	2460	ExecPubg.exe	32
PID 2460 wrote to memory of 2600	2460	ExecPubg.exe	32
PID 2460 wrote to memory of 2536	2460	ExecPubg.exe	33
PID 2460 wrote to memory of 2536	2460	ExecPubg.exe	33
PID 2460 wrote to memory of 2536	2460	ExecPubg.exe	33
PID 2460 wrote to memory of 2484	2460	ExecPubg.exe	34
PID 2460 wrote to memory of 2484	2460	ExecPubg.exe	34
PID 2460 wrote to memory of 2484	2460	ExecPubg.exe	34
PID 2460 wrote to memory of 2656	2460	ExecPubg.exe	35
PID 2460 wrote to memory of 2656	2460	ExecPubg.exe	35
PID 2460 wrote to memory of 2656	2460	ExecPubg.exe	35
PID 2460 wrote to memory of 2412	2460	ExecPubg.exe	36
PID 2460 wrote to memory of 2412	2460	ExecPubg.exe	36
PID 2460 wrote to memory of 2412	2460	ExecPubg.exe	36
PID 2460 wrote to memory of 2872	2460	ExecPubg.exe	37
PID 2460 wrote to memory of 2872	2460	ExecPubg.exe	37
PID 2460 wrote to memory of 2872	2460	ExecPubg.exe	37

C:\Users\Admin\AppData\Local\Temp\ExecPubg.exe
"C:\Users\Admin\AppData\Local\Temp\ExecPubg.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2460
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe"
  2⤵
  PID:2896
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe"
  2⤵
  PID:2472
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe"
  2⤵
  PID:2524
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe"
  2⤵
  PID:2588
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe"
  2⤵
  PID:2600
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe"
  2⤵
  PID:2536
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe"
  2⤵
  PID:2484
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe"
  2⤵
  PID:2656
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe"
  2⤵
  PID:2412
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\InstallUtil.exe"
  2⤵
  PID:2872

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

memory/2460-0-0x000007FEF5CA3000-0x000007FEF5CA4000-memory.dmp

Filesize
4KB

Download
memory/2460-1-0x0000000000C60000-0x0000000000F34000-memory.dmp

Filesize
2.8MB

Download
memory/2460-2-0x000007FEF5CA0000-0x000007FEF668C000-memory.dmp

Filesize
9.9MB

Download
memory/2460-3-0x000000001B720000-0x000000001B93E000-memory.dmp

Filesize
2.1MB

Download
memory/2460-19-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-4-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-27-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-29-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-7-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-25-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-33-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-35-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-37-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-45-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-43-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-41-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-47-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-39-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-31-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-23-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-21-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-17-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-15-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-13-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-11-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-9-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-5-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-49-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-51-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-67-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-53-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-65-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-63-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-61-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-59-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-57-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-55-0x000000001B720000-0x000000001B939000-memory.dmp

Filesize
2.1MB

Download
memory/2460-4884-0x000007FEF5CA0000-0x000007FEF668C000-memory.dmp

Filesize
9.9MB

Download
memory/2460-4886-0x0000000000590000-0x00000000005DC000-memory.dmp

Filesize
304KB

Download
memory/2460-4885-0x0000000000530000-0x000000000058A000-memory.dmp

Filesize
360KB

Download
memory/2460-4887-0x0000000000AC0000-0x0000000000B14000-memory.dmp

Filesize
336KB

Download
memory/2460-4889-0x000007FEF5CA0000-0x000007FEF668C000-memory.dmp

Filesize
9.9MB

Download