blustealer | 0f0e0e858c5d5f4ed136a8d27ea01a76186b22b20ba93292357b47773ebc6de5

Analysis

max time kernel
131s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19-03-2024 21:58

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General

Target

d734f0b0f08da129c9e209e46222f5d7.exe
Size

826KB
MD5

d734f0b0f08da129c9e209e46222f5d7
SHA1

245154a674288f55dfb518b61bd95b0978a0eb9d
SHA256

0f0e0e858c5d5f4ed136a8d27ea01a76186b22b20ba93292357b47773ebc6de5
SHA512

47eddd7e4ddc8eb25d74fabe18216dd09d616a3c1ce2ed09c59092c42ce8fd401756b104e51874f2cbfa0c3760e57b213c3cc42a5a62b00ddc408357f1442161
SSDEEP

12288:iPrzYMAy1m/XGkjadzOiuC4bnIerNqzUm4CfToyLBlcAPzCcl55Mx6:i4rGaadzqCmIeZBSfToucAP+ch

Score

10^/10

blustealer zgrat persistence rat stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
bojtai.club
Port:
587
Username:
[email protected]
Password:
hcx8knJINooP

Signatures

BluStealer
A Modular information stealer written in Visual Basic.
stealer blustealer

Detect ZGRat V1 34 IoCs

resource	yara_rule
behavioral2/memory/5016-9-0x00000000065B0000-0x0000000006622000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-15-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-13-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-11-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-17-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-21-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-23-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-19-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-25-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-10-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-27-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-29-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-31-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-33-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-35-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-45-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-43-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-47-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-41-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-39-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-37-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-55-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-59-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-57-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-61-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-53-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-63-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-51-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-49-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-71-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-73-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-69-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-67-0x00000000065B0000-0x000000000661D000-memory.dmp	family_zgrat_v1
behavioral2/memory/5016-65-0x00000000065B0000-0x000000000661D000-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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\suh = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\chrsg\\suh.exe\""	d734f0b0f08da129c9e209e46222f5d7.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5016 set thread context of 3360	5016	d734f0b0f08da129c9e209e46222f5d7.exe	104

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5016	d734f0b0f08da129c9e209e46222f5d7.exe
5016	d734f0b0f08da129c9e209e46222f5d7.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5016	d734f0b0f08da129c9e209e46222f5d7.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3360	d734f0b0f08da129c9e209e46222f5d7.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 5016 wrote to memory of 3360	5016	d734f0b0f08da129c9e209e46222f5d7.exe	104
PID 5016 wrote to memory of 3360	5016	d734f0b0f08da129c9e209e46222f5d7.exe	104
PID 5016 wrote to memory of 3360	5016	d734f0b0f08da129c9e209e46222f5d7.exe	104
PID 5016 wrote to memory of 3360	5016	d734f0b0f08da129c9e209e46222f5d7.exe	104
PID 5016 wrote to memory of 3360	5016	d734f0b0f08da129c9e209e46222f5d7.exe	104
PID 5016 wrote to memory of 3360	5016	d734f0b0f08da129c9e209e46222f5d7.exe	104
PID 5016 wrote to memory of 3360	5016	d734f0b0f08da129c9e209e46222f5d7.exe	104
PID 5016 wrote to memory of 3360	5016	d734f0b0f08da129c9e209e46222f5d7.exe	104

C:\Users\Admin\AppData\Local\Temp\d734f0b0f08da129c9e209e46222f5d7.exe
"C:\Users\Admin\AppData\Local\Temp\d734f0b0f08da129c9e209e46222f5d7.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5016
- C:\Users\Admin\AppData\Local\Temp\d734f0b0f08da129c9e209e46222f5d7.exe
  C:\Users\Admin\AppData\Local\Temp\d734f0b0f08da129c9e209e46222f5d7.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:3360

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/3360-2250-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/3360-2253-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/5016-45-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-2-0x00000000057E0000-0x0000000005D84000-memory.dmp

Filesize
5.6MB

Download
memory/5016-4-0x0000000005510000-0x0000000005520000-memory.dmp

Filesize
64KB

Download
memory/5016-5-0x00000000052C0000-0x00000000052CA000-memory.dmp

Filesize
40KB

Download
memory/5016-6-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/5016-7-0x0000000006500000-0x00000000065A8000-memory.dmp

Filesize
672KB

Download
memory/5016-8-0x0000000006630000-0x00000000066A6000-memory.dmp

Filesize
472KB

Download
memory/5016-9-0x00000000065B0000-0x0000000006622000-memory.dmp

Filesize
456KB

Download
memory/5016-15-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-13-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-11-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-17-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-21-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-23-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-19-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-25-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-1-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/5016-27-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-29-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-31-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-33-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-35-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-47-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-3-0x00000000052D0000-0x0000000005362000-memory.dmp

Filesize
584KB

Download
memory/5016-10-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-41-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-39-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-37-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-55-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-59-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-57-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-61-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-53-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-63-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-51-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-49-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-71-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-73-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-69-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-67-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-65-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-312-0x0000000005510000-0x0000000005520000-memory.dmp

Filesize
64KB

Download
memory/5016-2243-0x0000000006F60000-0x0000000006F7E000-memory.dmp

Filesize
120KB

Download
memory/5016-2249-0x0000000074440000-0x0000000074BF0000-memory.dmp

Filesize
7.7MB

Download
memory/5016-43-0x00000000065B0000-0x000000000661D000-memory.dmp

Filesize
436KB

Download
memory/5016-0-0x00000000007E0000-0x00000000008B4000-memory.dmp

Filesize
848KB

Download