zgrat | bbac4a6b0b157ee522451908f233854b8798e0bfbab54dea364a511d711324f1

Resubmissions

19/02/2024, 13:10

240219-qesv7add7v 10

19/02/2024, 12:25

240219-plt66adb2s 10

19/02/2024, 12:14

240219-pegx9add95 10

19/02/2024, 12:05

240219-n85qqsdd79 10

Analysis

max time kernel
144s
max time network
153s
platform
windows11-21h2_x64
resource
win11-20240214-en
resource tags

arch:x64arch:x86image:win11-20240214-enlocale:en-usos:windows11-21h2-x64system
submitted
19/02/2024, 12:14

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General

Target

Wyyqwqt.exe
Size

919KB
MD5

2f8158a69323954193acf7cbb6bde8fd
SHA1

d149b65f8f1e13dff92b23f1e972b250f0ef7b34
SHA256

bbac4a6b0b157ee522451908f233854b8798e0bfbab54dea364a511d711324f1
SHA512

5facb676db2d575cc3dc8cefa9cd7d84c0586f79acb5d821fc9b6e0b083fca72682eefc45cdb8ff79caf6506e5a07598cd9f199987eb7e1d91ef941e54bccfcf
SSDEEP

24576:mn8g+IxNy2TBIBscu2foEtKE5YTwoUA6OyGutIQDqw:M+ao2TBIBNuTECwoytx

Score

10^/10

zgrat persistence rat

Malware Config

Signatures

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral4/memory/3440-3-0x00000299B5190000-0x00000299B5270000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-6-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-7-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-9-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-11-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-13-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-15-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-17-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-19-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-21-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-23-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-27-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-25-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-29-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-31-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-33-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-37-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-35-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-39-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-41-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-43-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-45-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-47-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-49-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-51-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-53-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-55-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-57-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-59-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-61-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-63-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-65-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-67-0x00000299B5190000-0x00000299B526B000-memory.dmp	family_zgrat_v1
behavioral4/memory/3440-69-0x00000299B5190000-0x00000299B526B000-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-1-5-21-579863200-1180944266-3450597144-1000\Software\Microsoft\Windows\CurrentVersion\Run\farm = "C:\\Users\\Admin\\AppData\\Roaming\\farm.exe"	Wyyqwqt.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3440	Wyyqwqt.exe
3440	Wyyqwqt.exe
3440	Wyyqwqt.exe
3440	Wyyqwqt.exe
3440	Wyyqwqt.exe
3440	Wyyqwqt.exe
3440	Wyyqwqt.exe
3440	Wyyqwqt.exe
3440	Wyyqwqt.exe
3440	Wyyqwqt.exe
3440	Wyyqwqt.exe
3440	Wyyqwqt.exe
3440	Wyyqwqt.exe
3440	Wyyqwqt.exe
3440	Wyyqwqt.exe
3440	Wyyqwqt.exe
3440	Wyyqwqt.exe
3440	Wyyqwqt.exe
3440	Wyyqwqt.exe
3440	Wyyqwqt.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3440	Wyyqwqt.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 3440 wrote to memory of 1752	3440	Wyyqwqt.exe	83
PID 3440 wrote to memory of 1752	3440	Wyyqwqt.exe	83
PID 3440 wrote to memory of 4660	3440	Wyyqwqt.exe	86
PID 3440 wrote to memory of 4660	3440	Wyyqwqt.exe	86
PID 3440 wrote to memory of 1272	3440	Wyyqwqt.exe	85
PID 3440 wrote to memory of 1272	3440	Wyyqwqt.exe	85
PID 3440 wrote to memory of 1124	3440	Wyyqwqt.exe	84
PID 3440 wrote to memory of 1124	3440	Wyyqwqt.exe	84
PID 3440 wrote to memory of 3136	3440	Wyyqwqt.exe	87
PID 3440 wrote to memory of 3136	3440	Wyyqwqt.exe	87
PID 3440 wrote to memory of 784	3440	Wyyqwqt.exe	89
PID 3440 wrote to memory of 784	3440	Wyyqwqt.exe	89
PID 3440 wrote to memory of 844	3440	Wyyqwqt.exe	88
PID 3440 wrote to memory of 844	3440	Wyyqwqt.exe	88
PID 3440 wrote to memory of 2668	3440	Wyyqwqt.exe	90
PID 3440 wrote to memory of 2668	3440	Wyyqwqt.exe	90
PID 3440 wrote to memory of 1708	3440	Wyyqwqt.exe	91
PID 3440 wrote to memory of 1708	3440	Wyyqwqt.exe	91
PID 3440 wrote to memory of 4112	3440	Wyyqwqt.exe	92
PID 3440 wrote to memory of 4112	3440	Wyyqwqt.exe	92

C:\Users\Admin\AppData\Local\Temp\Wyyqwqt.exe
"C:\Users\Admin\AppData\Local\Temp\Wyyqwqt.exe"
1⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3440
- C:\Users\Admin\AppData\Local\Temp\Wyyqwqt.exe
  C:\Users\Admin\AppData\Local\Temp\Wyyqwqt.exe
  2⤵
  PID:1752
- C:\Users\Admin\AppData\Local\Temp\Wyyqwqt.exe
  C:\Users\Admin\AppData\Local\Temp\Wyyqwqt.exe
  2⤵
  PID:1124
- C:\Users\Admin\AppData\Local\Temp\Wyyqwqt.exe
  C:\Users\Admin\AppData\Local\Temp\Wyyqwqt.exe
  2⤵
  PID:1272
- C:\Users\Admin\AppData\Local\Temp\Wyyqwqt.exe
  C:\Users\Admin\AppData\Local\Temp\Wyyqwqt.exe
  2⤵
  PID:4660
- C:\Users\Admin\AppData\Local\Temp\Wyyqwqt.exe
  C:\Users\Admin\AppData\Local\Temp\Wyyqwqt.exe
  2⤵
  PID:3136
- C:\Users\Admin\AppData\Local\Temp\Wyyqwqt.exe
  C:\Users\Admin\AppData\Local\Temp\Wyyqwqt.exe
  2⤵
  PID:844
- C:\Users\Admin\AppData\Local\Temp\Wyyqwqt.exe
  C:\Users\Admin\AppData\Local\Temp\Wyyqwqt.exe
  2⤵
  PID:784
- C:\Users\Admin\AppData\Local\Temp\Wyyqwqt.exe
  C:\Users\Admin\AppData\Local\Temp\Wyyqwqt.exe
  2⤵
  PID:2668
- C:\Users\Admin\AppData\Local\Temp\Wyyqwqt.exe
  C:\Users\Admin\AppData\Local\Temp\Wyyqwqt.exe
  2⤵
  PID:1708
- C:\Users\Admin\AppData\Local\Temp\Wyyqwqt.exe
  C:\Users\Admin\AppData\Local\Temp\Wyyqwqt.exe
  2⤵
  PID:4112

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/3440-0-0x000002999AAD0000-0x000002999ABBA000-memory.dmp

Filesize
936KB

Download
memory/3440-1-0x00000299B5060000-0x00000299B5140000-memory.dmp

Filesize
896KB

Download
memory/3440-2-0x00007FF9F7F40000-0x00007FF9F8A02000-memory.dmp

Filesize
10.8MB

Download
memory/3440-4-0x00000299B5180000-0x00000299B5190000-memory.dmp

Filesize
64KB

Download
memory/3440-3-0x00000299B5190000-0x00000299B5270000-memory.dmp

Filesize
896KB

Download
memory/3440-5-0x00000299B5380000-0x00000299B548A000-memory.dmp

Filesize
1.0MB

Download
memory/3440-6-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-7-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-9-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-11-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-13-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-15-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-17-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-19-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-21-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-23-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-27-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-25-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-29-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-31-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-33-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-37-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-35-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-39-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-41-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-43-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-45-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-47-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-49-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-51-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-53-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-55-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-57-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-59-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-61-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-63-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-65-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-67-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-69-0x00000299B5190000-0x00000299B526B000-memory.dmp

Filesize
876KB

Download
memory/3440-1120-0x000002999C790000-0x000002999C791000-memory.dmp

Filesize
4KB

Download
memory/3440-1121-0x00000299B5490000-0x00000299B54FA000-memory.dmp

Filesize
424KB

Download
memory/3440-1122-0x00000299B5500000-0x00000299B554C000-memory.dmp

Filesize
304KB

Download
memory/3440-1125-0x00007FF9F7F40000-0x00007FF9F8A02000-memory.dmp

Filesize
10.8MB

Download