blustealer | 65eeb38ef21735b46b448ba2359cdf12a9f5041e8f0df7385f63be59760bc645

Analysis

max time kernel
122s
max time network
130s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19/01/2024, 14:49

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General

Target

67e35ba1e64e085fe1226951b88517dc.exe
Size

651KB
MD5

67e35ba1e64e085fe1226951b88517dc
SHA1

42252dafdea79b21ff6385715b66fe23ef82680f
SHA256

65eeb38ef21735b46b448ba2359cdf12a9f5041e8f0df7385f63be59760bc645
SHA512

a6cf53d8d53e8fc2a27834bc63172ac5ffda94f02a3ef3dd0fca235f5f5c930c2271d0bd0ecf810694ea58b3ac1dbd0b72fe46dbe2b249c08f62b6ca0459f614
SSDEEP

12288:1gTXomEQUwTNl1v3iWo6GPU5WJg7MPW/hrJAmNZ5DD1ovdmKNxQVvnKb0u:1KE2pzXo6GJw9/h1AmNzRoEKnQBKw

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 34 IoCs

resource	yara_rule
behavioral1/memory/2684-8-0x0000000004E60000-0x0000000004ECC000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-9-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-10-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-12-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-18-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-16-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-14-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-22-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-24-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-28-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-26-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-20-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-30-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-34-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-36-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-32-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-38-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-42-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-44-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-40-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-52-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-56-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-58-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-54-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-50-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-48-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-63-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-61-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-46-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-65-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-73-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-71-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-69-0x0000000004E60000-0x0000000004EC6000-memory.dmp	family_zgrat_v1
behavioral1/memory/2684-67-0x0000000004E60000-0x0000000004EC6000-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-1-5-21-452311807-3713411997-1028535425-1000\Software\Microsoft\Windows\CurrentVersion\Run\chrom = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\chrome\\chrom.exe\""	67e35ba1e64e085fe1226951b88517dc.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2684 set thread context of 2356	2684	67e35ba1e64e085fe1226951b88517dc.exe	29

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2684	67e35ba1e64e085fe1226951b88517dc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2684	67e35ba1e64e085fe1226951b88517dc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2356	67e35ba1e64e085fe1226951b88517dc.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2356	2684	67e35ba1e64e085fe1226951b88517dc.exe	29
PID 2684 wrote to memory of 2356	2684	67e35ba1e64e085fe1226951b88517dc.exe	29
PID 2684 wrote to memory of 2356	2684	67e35ba1e64e085fe1226951b88517dc.exe	29
PID 2684 wrote to memory of 2356	2684	67e35ba1e64e085fe1226951b88517dc.exe	29
PID 2684 wrote to memory of 2356	2684	67e35ba1e64e085fe1226951b88517dc.exe	29
PID 2684 wrote to memory of 2356	2684	67e35ba1e64e085fe1226951b88517dc.exe	29
PID 2684 wrote to memory of 2356	2684	67e35ba1e64e085fe1226951b88517dc.exe	29
PID 2684 wrote to memory of 2356	2684	67e35ba1e64e085fe1226951b88517dc.exe	29
PID 2684 wrote to memory of 2356	2684	67e35ba1e64e085fe1226951b88517dc.exe	29

C:\Users\Admin\AppData\Local\Temp\67e35ba1e64e085fe1226951b88517dc.exe
"C:\Users\Admin\AppData\Local\Temp\67e35ba1e64e085fe1226951b88517dc.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Users\Admin\AppData\Local\Temp\67e35ba1e64e085fe1226951b88517dc.exe
  C:\Users\Admin\AppData\Local\Temp\67e35ba1e64e085fe1226951b88517dc.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2356

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/2356-2129-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2356-2130-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2684-36-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-3-0x0000000004850000-0x0000000004890000-memory.dmp

Filesize
256KB

Download
memory/2684-4-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2684-5-0x0000000004850000-0x0000000004890000-memory.dmp

Filesize
256KB

Download
memory/2684-6-0x00000000022D0000-0x0000000002372000-memory.dmp

Filesize
648KB

Download
memory/2684-7-0x0000000005C30000-0x0000000005CD2000-memory.dmp

Filesize
648KB

Download
memory/2684-8-0x0000000004E60000-0x0000000004ECC000-memory.dmp

Filesize
432KB

Download
memory/2684-9-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-10-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-12-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-18-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-16-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-14-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-22-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-24-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-28-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-26-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-20-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-30-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-34-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-38-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-0-0x0000000000940000-0x00000000009E8000-memory.dmp

Filesize
672KB

Download
memory/2684-32-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-42-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-44-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-40-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-52-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-56-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-59-0x0000000004850000-0x0000000004890000-memory.dmp

Filesize
256KB

Download
memory/2684-58-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-54-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-50-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-48-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-63-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-61-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-46-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-65-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-73-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-71-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-69-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-67-0x0000000004E60000-0x0000000004EC6000-memory.dmp

Filesize
408KB

Download
memory/2684-2125-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download
memory/2684-2-0x0000000004850000-0x0000000004890000-memory.dmp

Filesize
256KB

Download
memory/2684-1-0x00000000746C0000-0x0000000074DAE000-memory.dmp

Filesize
6.9MB

Download