blustealer | c1fe976f336cf05401da21ffab8632a0511bbf8743c2e3ff4220c3e9bbf56dbb

Resubmissions

26-10-2021 17:29

211026-v2vqhsaac9 10

26-10-2021 17:18

211026-vvfm1saab6 6

Analysis

max time kernel
600s
max time network
602s
platform
windows7_x64
resource
win7-en-20210920
submitted
26-10-2021 17:29

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General

Target

E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe
Size

668KB
MD5

e168c49cc388f05d310f780f70661c47
SHA1

1837a8448300159ba08992c39386354b676674e4
SHA256

c1fe976f336cf05401da21ffab8632a0511bbf8743c2e3ff4220c3e9bbf56dbb
SHA512

e4dee911649ef54eb23060846570dcd8371f3e6c05fddfcbf9bb1b5966864a795a7bc36bc6d06bdf8e077f79e763c6a324d8a19666cfb87cd23ce0ff71c4ccc7

Score

10^/10

blustealer persistence stealer

Malware Config

Extracted

Family

blustealer

Credentials

Protocol: smtp
Host:
budgetn.shop
Port:
587
Username:
hulu@budgetn.shop
Password:
s)Z4bO(8nKHT

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\sgih = "\"C:\\Users\\Admin\\AppData\\Roaming\\gskgj\\sgih.exe\""	E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe

description pid process target process

PID 860 set thread context of 1808 860 E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe

pid process

860 E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe

description pid process

Token: SeDebugPrivilege 860 E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe

pid process

1808 E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe

description	pid	process	target process
PID 860 set thread context of 1808	860	E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe	E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe

pid	process
860	E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe

description	pid	process
Token: SeDebugPrivilege	860	E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe

pid	process
1808	E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe

description	pid	process	target process
PID 860 wrote to memory of 1808	860	E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe	E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe
PID 860 wrote to memory of 1808	860	E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe	E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe
PID 860 wrote to memory of 1808	860	E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe	E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe
PID 860 wrote to memory of 1808	860	E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe	E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe
PID 860 wrote to memory of 1808	860	E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe	E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe
PID 860 wrote to memory of 1808	860	E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe	E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe
PID 860 wrote to memory of 1808	860	E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe	E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe
PID 860 wrote to memory of 1808	860	E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe	E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe
PID 860 wrote to memory of 1808	860	E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe	E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe

C:\Users\Admin\AppData\Local\Temp\E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe
"C:\Users\Admin\AppData\Local\Temp\E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:860

C:\Users\Admin\AppData\Local\Temp\E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe
C:\Users\Admin\AppData\Local\Temp\E7pPa8kXU2X9H8nyCZseBfpdf.bin.exe
2⤵
- Suspicious use of SetWindowsHookEx
PID:1808

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/860-54-0x0000000000B00000-0x0000000000B01000-memory.dmp

Filesize
4KB

Download
memory/860-56-0x0000000000440000-0x0000000000442000-memory.dmp

Filesize
8KB

Download
memory/860-57-0x0000000000A60000-0x0000000000AF4000-memory.dmp

Filesize
592KB

Download
memory/860-58-0x0000000004AC0000-0x0000000004AC1000-memory.dmp

Filesize
4KB

Download
memory/860-59-0x0000000002250000-0x00000000022B0000-memory.dmp

Filesize
384KB

Download
memory/1808-60-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1808-61-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1808-62-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1808-64-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download
memory/1808-65-0x00000000004027A0-mapping.dmp

Download
memory/1808-66-0x0000000000080000-0x0000000000086000-memory.dmp

Filesize
24KB

Download
memory/1808-67-0x0000000000080000-0x000000000008A000-memory.dmp

Filesize
40KB

Download
memory/1808-68-0x0000000000400000-0x000000000046A000-memory.dmp

Filesize
424KB

Download