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

Processes:

resource yara_rule

behavioral2/memory/4840-2-0x0000000180000000-0x0000000180032000-memory.dmp BazarLoaderVar1
Executes dropped EXE 2 IoCs

Processes:

V2T35B1.exeV2T35B1.exe

pid process

5012 V2T35B1.exe
1696 V2T35B1.exe

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

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

Processes:

V2T35B1.exe

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

Processes:

PING.EXEPING.EXEPING.EXE

pid process

4568 PING.EXE
1356 PING.EXE
3208 PING.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

huqvg.exe

pid process

4840 huqvg.exe
4840 huqvg.exe

pid	process
4568	PING.EXE
1356	PING.EXE
3208	PING.EXE

pid	process
4840	huqvg.exe
4840	huqvg.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

huqvg.execmd.exehuqvg.execmd.exeV2T35B1.execmd.exe

description	pid	process	target process
PID 4840 wrote to memory of 5024	4840	huqvg.exe	cmd.exe
PID 4840 wrote to memory of 5024	4840	huqvg.exe	cmd.exe
PID 5024 wrote to memory of 3208	5024	cmd.exe	PING.EXE
PID 5024 wrote to memory of 3208	5024	cmd.exe	PING.EXE
PID 5024 wrote to memory of 960	5024	cmd.exe	huqvg.exe
PID 5024 wrote to memory of 960	5024	cmd.exe	huqvg.exe
PID 960 wrote to memory of 4548	960	huqvg.exe	cmd.exe
PID 960 wrote to memory of 4548	960	huqvg.exe	cmd.exe
PID 4548 wrote to memory of 4568	4548	cmd.exe	PING.EXE
PID 4548 wrote to memory of 4568	4548	cmd.exe	PING.EXE
PID 4548 wrote to memory of 5012	4548	cmd.exe	V2T35B1.exe
PID 4548 wrote to memory of 5012	4548	cmd.exe	V2T35B1.exe
PID 5012 wrote to memory of 3880	5012	V2T35B1.exe	cmd.exe
PID 5012 wrote to memory of 3880	5012	V2T35B1.exe	cmd.exe
PID 3880 wrote to memory of 1356	3880	cmd.exe	PING.EXE
PID 3880 wrote to memory of 1356	3880	cmd.exe	PING.EXE
PID 3880 wrote to memory of 1696	3880	cmd.exe	V2T35B1.exe
PID 3880 wrote to memory of 1696	3880	cmd.exe	V2T35B1.exe

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 Matrix ATT&CK v13

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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