bazarloader | 50bb137dc5dc91ece4a31d01787c0db3361853f2e7b559ff731c05d102bec0ca

Analysis

max time kernel
132s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
27-06-2024 11:22

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General

Target

ProgramData/huqvg/huqvg.exe
Size

236KB
MD5

efa4b2e7d7016a1f80efff5840de3a18
SHA1

04606786daa6313867c7ada1f0c9c925d9b602fb
SHA256

291c573996c647508544e8e21bd2764e6e4c834d53d6d2c8903a0001c783764b
SHA512

11446166922efb329d547ce329fb3ed70a3a99c1c037533beaecefd16d4a67c9dc9201592b0428a06fd956e4bb5caf3f7997a86200792e3e29a041f0963b2ced
SSDEEP

6144:NgsO6Xkm0RsQNCR/JG+z5nLGcKYp05dMgSsXMH7/wrtKHRAwrcKxN:7GRsQ6RLhLGO05dMgrXwTKtKxA5w

Score

10^/10

bazarloader dropper loader persistence

Malware Config

Extracted

Family

bazarloader

vacationinsydney2021.bazar

bestsightsofwildaustralia.bazar

sydneynewtours.bazar

Signatures

Bazar Loader
Detected loader normally used to deploy BazarBackdoor malware.
loader dropper bazarloader

Bazar/Team9 Loader payload 1 IoCs

resource	yara_rule
behavioral2/memory/4840-2-0x0000000180000000-0x0000000180032000-memory.dmp	BazarLoaderVar1

Executes dropped EXE 2 IoCs

pid	Process
5012	V2T35B1.exe
1696	V2T35B1.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-1-5-21-4204450073-1267028356-951339405-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\N25LKZ5PURO = "cmd.exe /c reg.exe add HKCU\\Software\\Microsoft\\Windows\\CurrentVersion\\Run /f /v JV9P0E8X /t REG_SZ /d \"\\\"C:\\Users\\Admin\\AppData\\Local\\Temp\\V2T35B1.exe\\\" RMBCR\" & start \"H\" \"C:\\Users\\Admin\\AppData\\Local\\Temp\\V2T35B1.exe\" RMBCR"	V2T35B1.exe

Runs ping.exe 1 TTPs 3 IoCs

Remote System Discovery

T1018

pid	Process
4568	PING.EXE
1356	PING.EXE
3208	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4840	huqvg.exe
4840	huqvg.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 4840 wrote to memory of 5024	4840	huqvg.exe	94
PID 4840 wrote to memory of 5024	4840	huqvg.exe	94
PID 5024 wrote to memory of 3208	5024	cmd.exe	96
PID 5024 wrote to memory of 3208	5024	cmd.exe	96
PID 5024 wrote to memory of 960	5024	cmd.exe	98
PID 5024 wrote to memory of 960	5024	cmd.exe	98
PID 960 wrote to memory of 4548	960	huqvg.exe	100
PID 960 wrote to memory of 4548	960	huqvg.exe	100
PID 4548 wrote to memory of 4568	4548	cmd.exe	102
PID 4548 wrote to memory of 4568	4548	cmd.exe	102
PID 4548 wrote to memory of 5012	4548	cmd.exe	103
PID 4548 wrote to memory of 5012	4548	cmd.exe	103
PID 5012 wrote to memory of 3880	5012	V2T35B1.exe	105
PID 5012 wrote to memory of 3880	5012	V2T35B1.exe	105
PID 3880 wrote to memory of 1356	3880	cmd.exe	107
PID 3880 wrote to memory of 1356	3880	cmd.exe	107
PID 3880 wrote to memory of 1696	3880	cmd.exe	108
PID 3880 wrote to memory of 1696	3880	cmd.exe	108

C:\Users\Admin\AppData\Local\Temp\ProgramData\huqvg\huqvg.exe
"C:\Users\Admin\AppData\Local\Temp\ProgramData\huqvg\huqvg.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4840
- C:\Windows\SYSTEM32\cmd.exe
  cmd /c ping 8.8.8.8 -n 2 & C:\Users\Admin\AppData\Local\Temp\ProgramData\huqvg\huqvg.exe PUOIU91
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5024
- - C:\Windows\system32\PING.EXE
    ping 8.8.8.8 -n 2
    3⤵
    - Runs ping.exe
    PID:3208
- - C:\Users\Admin\AppData\Local\Temp\ProgramData\huqvg\huqvg.exe
    C:\Users\Admin\AppData\Local\Temp\ProgramData\huqvg\huqvg.exe PUOIU91
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:960
  - - C:\Windows\SYSTEM32\cmd.exe
      cmd /c ping 8.8.8.8 -n 2 & C:\Users\Admin\AppData\Local\Temp\V2T35B1.exe VVSHBC
      4⤵
      Suspicious use of WriteProcessMemory
      PID:4548
    - - C:\Windows\system32\PING.EXE
        
        ping 8.8.8.8 -n 2
        5⤵
        Runs ping.exe
        
        PID:4568
    - - C:\Users\Admin\AppData\Local\Temp\V2T35B1.exe
        
        C:\Users\Admin\AppData\Local\Temp\V2T35B1.exe VVSHBC
        5⤵
        Executes dropped EXE
        Adds Run key to start application
        Suspicious use of WriteProcessMemory
        
        PID:5012
      - C:\Windows\SYSTEM32\cmd.exe
        
        cmd /c ping 8.8.8.8 -n 2 & C:\Users\Admin\AppData\Local\Temp\V2T35B1.exe RMBCR
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:3880
        
        C:\Windows\system32\PING.EXE
        
        ping 8.8.8.8 -n 2
        7⤵
        Runs ping.exe
        
        PID:1356
        
        C:\Users\Admin\AppData\Local\Temp\V2T35B1.exe
        
        C:\Users\Admin\AppData\Local\Temp\V2T35B1.exe RMBCR
        7⤵
        Executes dropped EXE
        
        PID:1696

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

Remote System Discovery

T1018

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\V2T35B1.exe

Filesize
236KB

MD5
efa4b2e7d7016a1f80efff5840de3a18

SHA1
04606786daa6313867c7ada1f0c9c925d9b602fb

SHA256
291c573996c647508544e8e21bd2764e6e4c834d53d6d2c8903a0001c783764b

SHA512
11446166922efb329d547ce329fb3ed70a3a99c1c037533beaecefd16d4a67c9dc9201592b0428a06fd956e4bb5caf3f7997a86200792e3e29a041f0963b2ced

Download Submit
memory/4840-2-0x0000000180000000-0x0000000180032000-memory.dmp

Filesize
200KB

Download
memory/4840-1-0x00000224B0650000-0x00000224B0652000-memory.dmp

Filesize
8KB

Download
memory/4840-0-0x00000224B0640000-0x00000224B0643000-memory.dmp

Filesize
12KB

Download