blustealer | 3d92d6a34be40684493e0cee2f5c772ec4a1f731cf8b371cad1eb9c492d9f63d

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
15-01-2024 18:10

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General

Target

5dbd6684e5601b2f8e748e02fa898558.exe
Size

892KB
MD5

5dbd6684e5601b2f8e748e02fa898558
SHA1

9a83397decf87975576dbb4fced3d9b611846c39
SHA256

3d92d6a34be40684493e0cee2f5c772ec4a1f731cf8b371cad1eb9c492d9f63d
SHA512

79cdc806624ff9ad1e2f5e20280880db099055380d0d27a4560d846288280b4d076c3f2e0b4742e665454db3df1f2f9f9d84abacad8c17fea99dc7e1772e27d9
SSDEEP

12288:1FYf861bQyPlY7a3q6GQShv8me5CZMg/ln1/7x8a0Ti+l:1i06xQta3qxapkFLo2

Score

10^/10

blustealer zgrat persistence rat stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
bojtai.xyz
Port:
587
Username:
[email protected]
Password:
(mr.GT^Eg#C6

Signatures

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

Detect ZGRat V1 8 IoCs

resource	yara_rule
behavioral2/memory/3384-92-0x0000000007700000-0x0000000007762000-memory.dmp	family_zgrat_v1
behavioral2/memory/3384-94-0x0000000007700000-0x000000000775C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3384-93-0x0000000007700000-0x000000000775C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3384-96-0x0000000007700000-0x000000000775C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3384-98-0x0000000007700000-0x000000000775C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3384-100-0x0000000007700000-0x000000000775C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3384-102-0x0000000007700000-0x000000000775C000-memory.dmp	family_zgrat_v1
behavioral2/memory/3384-104-0x0000000007700000-0x000000000775C000-memory.dmp	family_zgrat_v1

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Control Panel\International\Geo\Nation	5dbd6684e5601b2f8e748e02fa898558.exe

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\chr = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\chro\\chr.exe\""	5dbd6684e5601b2f8e748e02fa898558.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3384 set thread context of 2508	3384	5dbd6684e5601b2f8e748e02fa898558.exe	98

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
5056	powershell.exe
5056	powershell.exe
3384	5dbd6684e5601b2f8e748e02fa898558.exe
3384	5dbd6684e5601b2f8e748e02fa898558.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	5056	powershell.exe
Token: SeIncreaseQuotaPrivilege	5056	powershell.exe
Token: SeSecurityPrivilege	5056	powershell.exe
Token: SeTakeOwnershipPrivilege	5056	powershell.exe
Token: SeLoadDriverPrivilege	5056	powershell.exe
Token: SeSystemProfilePrivilege	5056	powershell.exe
Token: SeSystemtimePrivilege	5056	powershell.exe
Token: SeProfSingleProcessPrivilege	5056	powershell.exe
Token: SeIncBasePriorityPrivilege	5056	powershell.exe
Token: SeCreatePagefilePrivilege	5056	powershell.exe
Token: SeBackupPrivilege	5056	powershell.exe
Token: SeRestorePrivilege	5056	powershell.exe
Token: SeShutdownPrivilege	5056	powershell.exe
Token: SeDebugPrivilege	5056	powershell.exe
Token: SeSystemEnvironmentPrivilege	5056	powershell.exe
Token: SeRemoteShutdownPrivilege	5056	powershell.exe
Token: SeUndockPrivilege	5056	powershell.exe
Token: SeManageVolumePrivilege	5056	powershell.exe
Token: 33	5056	powershell.exe
Token: 34	5056	powershell.exe
Token: 35	5056	powershell.exe
Token: 36	5056	powershell.exe
Token: SeIncreaseQuotaPrivilege	5056	powershell.exe
Token: SeSecurityPrivilege	5056	powershell.exe
Token: SeTakeOwnershipPrivilege	5056	powershell.exe
Token: SeLoadDriverPrivilege	5056	powershell.exe
Token: SeSystemProfilePrivilege	5056	powershell.exe
Token: SeSystemtimePrivilege	5056	powershell.exe
Token: SeProfSingleProcessPrivilege	5056	powershell.exe
Token: SeIncBasePriorityPrivilege	5056	powershell.exe
Token: SeCreatePagefilePrivilege	5056	powershell.exe
Token: SeBackupPrivilege	5056	powershell.exe
Token: SeRestorePrivilege	5056	powershell.exe
Token: SeShutdownPrivilege	5056	powershell.exe
Token: SeDebugPrivilege	5056	powershell.exe
Token: SeSystemEnvironmentPrivilege	5056	powershell.exe
Token: SeRemoteShutdownPrivilege	5056	powershell.exe
Token: SeUndockPrivilege	5056	powershell.exe
Token: SeManageVolumePrivilege	5056	powershell.exe
Token: 33	5056	powershell.exe
Token: 34	5056	powershell.exe
Token: 35	5056	powershell.exe
Token: 36	5056	powershell.exe
Token: SeIncreaseQuotaPrivilege	5056	powershell.exe
Token: SeSecurityPrivilege	5056	powershell.exe
Token: SeTakeOwnershipPrivilege	5056	powershell.exe
Token: SeLoadDriverPrivilege	5056	powershell.exe
Token: SeSystemProfilePrivilege	5056	powershell.exe
Token: SeSystemtimePrivilege	5056	powershell.exe
Token: SeProfSingleProcessPrivilege	5056	powershell.exe
Token: SeIncBasePriorityPrivilege	5056	powershell.exe
Token: SeCreatePagefilePrivilege	5056	powershell.exe
Token: SeBackupPrivilege	5056	powershell.exe
Token: SeRestorePrivilege	5056	powershell.exe
Token: SeShutdownPrivilege	5056	powershell.exe
Token: SeDebugPrivilege	5056	powershell.exe
Token: SeSystemEnvironmentPrivilege	5056	powershell.exe
Token: SeRemoteShutdownPrivilege	5056	powershell.exe
Token: SeUndockPrivilege	5056	powershell.exe
Token: SeManageVolumePrivilege	5056	powershell.exe
Token: 33	5056	powershell.exe
Token: 34	5056	powershell.exe
Token: 35	5056	powershell.exe
Token: 36	5056	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2508	5dbd6684e5601b2f8e748e02fa898558.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3384 wrote to memory of 5056	3384	5dbd6684e5601b2f8e748e02fa898558.exe	88
PID 3384 wrote to memory of 5056	3384	5dbd6684e5601b2f8e748e02fa898558.exe	88
PID 3384 wrote to memory of 5056	3384	5dbd6684e5601b2f8e748e02fa898558.exe	88
PID 3384 wrote to memory of 2508	3384	5dbd6684e5601b2f8e748e02fa898558.exe	98
PID 3384 wrote to memory of 2508	3384	5dbd6684e5601b2f8e748e02fa898558.exe	98
PID 3384 wrote to memory of 2508	3384	5dbd6684e5601b2f8e748e02fa898558.exe	98
PID 3384 wrote to memory of 2508	3384	5dbd6684e5601b2f8e748e02fa898558.exe	98
PID 3384 wrote to memory of 2508	3384	5dbd6684e5601b2f8e748e02fa898558.exe	98
PID 3384 wrote to memory of 2508	3384	5dbd6684e5601b2f8e748e02fa898558.exe	98
PID 3384 wrote to memory of 2508	3384	5dbd6684e5601b2f8e748e02fa898558.exe	98
PID 3384 wrote to memory of 2508	3384	5dbd6684e5601b2f8e748e02fa898558.exe	98

C:\Users\Admin\AppData\Local\Temp\5dbd6684e5601b2f8e748e02fa898558.exe
"C:\Users\Admin\AppData\Local\Temp\5dbd6684e5601b2f8e748e02fa898558.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3384
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Test-Connection 8.8.8.8, 8.8.4.4, time.google.com
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5056
- C:\Users\Admin\AppData\Local\Temp\5dbd6684e5601b2f8e748e02fa898558.exe
  C:\Users\Admin\AppData\Local\Temp\5dbd6684e5601b2f8e748e02fa898558.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2508

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

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_campuap0.zmm.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/2508-2127-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2508-2124-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/3384-82-0x00000000071C0000-0x0000000007270000-memory.dmp

Filesize
704KB

Download
memory/3384-35-0x00000000071C0000-0x0000000007276000-memory.dmp

Filesize
728KB

Download
memory/3384-5-0x0000000005200000-0x000000000520A000-memory.dmp

Filesize
40KB

Download
memory/3384-1-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/3384-2-0x0000000005750000-0x0000000005CF4000-memory.dmp

Filesize
5.6MB

Download
memory/3384-51-0x00000000071C0000-0x0000000007270000-memory.dmp

Filesize
704KB

Download
memory/3384-2123-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/3384-2117-0x00000000070D0000-0x00000000070EE000-memory.dmp

Filesize
120KB

Download
memory/3384-104-0x0000000007700000-0x000000000775C000-memory.dmp

Filesize
368KB

Download
memory/3384-102-0x0000000007700000-0x000000000775C000-memory.dmp

Filesize
368KB

Download
memory/3384-3-0x0000000005240000-0x00000000052D2000-memory.dmp

Filesize
584KB

Download
memory/3384-100-0x0000000007700000-0x000000000775C000-memory.dmp

Filesize
368KB

Download
memory/3384-98-0x0000000007700000-0x000000000775C000-memory.dmp

Filesize
368KB

Download
memory/3384-53-0x00000000071C0000-0x0000000007270000-memory.dmp

Filesize
704KB

Download
memory/3384-96-0x0000000007700000-0x000000000775C000-memory.dmp

Filesize
368KB

Download
memory/3384-93-0x0000000007700000-0x000000000775C000-memory.dmp

Filesize
368KB

Download
memory/3384-94-0x0000000007700000-0x000000000775C000-memory.dmp

Filesize
368KB

Download
memory/3384-4-0x0000000005230000-0x0000000005240000-memory.dmp

Filesize
64KB

Download
memory/3384-92-0x0000000007700000-0x0000000007762000-memory.dmp

Filesize
392KB

Download
memory/3384-30-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/3384-32-0x0000000005230000-0x0000000005240000-memory.dmp

Filesize
64KB

Download
memory/3384-66-0x00000000071C0000-0x0000000007270000-memory.dmp

Filesize
704KB

Download
memory/3384-68-0x00000000071C0000-0x0000000007270000-memory.dmp

Filesize
704KB

Download
memory/3384-84-0x00000000071C0000-0x0000000007270000-memory.dmp

Filesize
704KB

Download
memory/3384-36-0x00000000071C0000-0x0000000007270000-memory.dmp

Filesize
704KB

Download
memory/3384-55-0x00000000071C0000-0x0000000007270000-memory.dmp

Filesize
704KB

Download
memory/3384-39-0x00000000071C0000-0x0000000007270000-memory.dmp

Filesize
704KB

Download
memory/3384-37-0x00000000071C0000-0x0000000007270000-memory.dmp

Filesize
704KB

Download
memory/3384-43-0x00000000071C0000-0x0000000007270000-memory.dmp

Filesize
704KB

Download
memory/3384-47-0x00000000071C0000-0x0000000007270000-memory.dmp

Filesize
704KB

Download
memory/3384-45-0x00000000071C0000-0x0000000007270000-memory.dmp

Filesize
704KB

Download
memory/3384-49-0x00000000071C0000-0x0000000007270000-memory.dmp

Filesize
704KB

Download
memory/3384-74-0x00000000071C0000-0x0000000007270000-memory.dmp

Filesize
704KB

Download
memory/3384-80-0x00000000071C0000-0x0000000007270000-memory.dmp

Filesize
704KB

Download
memory/3384-41-0x00000000071C0000-0x0000000007270000-memory.dmp

Filesize
704KB

Download
memory/3384-57-0x00000000071C0000-0x0000000007270000-memory.dmp

Filesize
704KB

Download
memory/3384-0-0x0000000000850000-0x0000000000936000-memory.dmp

Filesize
920KB

Download
memory/3384-62-0x00000000071C0000-0x0000000007270000-memory.dmp

Filesize
704KB

Download
memory/3384-64-0x00000000071C0000-0x0000000007270000-memory.dmp

Filesize
704KB

Download
memory/3384-70-0x00000000071C0000-0x0000000007270000-memory.dmp

Filesize
704KB

Download
memory/3384-72-0x00000000071C0000-0x0000000007270000-memory.dmp

Filesize
704KB

Download
memory/3384-76-0x00000000071C0000-0x0000000007270000-memory.dmp

Filesize
704KB

Download
memory/3384-78-0x00000000071C0000-0x0000000007270000-memory.dmp

Filesize
704KB

Download
memory/3384-88-0x00000000071C0000-0x0000000007270000-memory.dmp

Filesize
704KB

Download
memory/3384-90-0x00000000071C0000-0x0000000007270000-memory.dmp

Filesize
704KB

Download
memory/3384-91-0x0000000007270000-0x00000000072E6000-memory.dmp

Filesize
472KB

Download
memory/3384-86-0x00000000071C0000-0x0000000007270000-memory.dmp

Filesize
704KB

Download
memory/5056-28-0x00000000081C0000-0x000000000883A000-memory.dmp

Filesize
6.5MB

Download
memory/5056-61-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/5056-24-0x0000000005DE0000-0x0000000005E2C000-memory.dmp

Filesize
304KB

Download
memory/5056-8-0x0000000004930000-0x0000000004940000-memory.dmp

Filesize
64KB

Download
memory/5056-34-0x0000000004930000-0x0000000004940000-memory.dmp

Filesize
64KB

Download
memory/5056-33-0x0000000004930000-0x0000000004940000-memory.dmp

Filesize
64KB

Download
memory/5056-31-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/5056-27-0x00000000062B0000-0x00000000062D2000-memory.dmp

Filesize
136KB

Download
memory/5056-26-0x0000000006260000-0x000000000627A000-memory.dmp

Filesize
104KB

Download
memory/5056-25-0x0000000006F40000-0x0000000006FD6000-memory.dmp

Filesize
600KB

Download
memory/5056-23-0x0000000004B20000-0x0000000004B3E000-memory.dmp

Filesize
120KB

Download
memory/5056-22-0x00000000057A0000-0x0000000005AF4000-memory.dmp

Filesize
3.3MB

Download
memory/5056-12-0x0000000005730000-0x0000000005796000-memory.dmp

Filesize
408KB

Download
memory/5056-11-0x0000000005610000-0x0000000005676000-memory.dmp

Filesize
408KB

Download
memory/5056-10-0x0000000004D90000-0x0000000004DB2000-memory.dmp

Filesize
136KB

Download
memory/5056-9-0x0000000004F70000-0x0000000005598000-memory.dmp

Filesize
6.2MB

Download
memory/5056-7-0x0000000074D20000-0x00000000754D0000-memory.dmp

Filesize
7.7MB

Download
memory/5056-6-0x0000000002440000-0x0000000002476000-memory.dmp

Filesize
216KB

Download