Analysis
- max time kernel
135s - max time network
113s - platform
windows10_x64 - resource
win10v20210410 - submitted
06/07/2021, 21:59
Static task
static1
Behavioral task
behavioral1
Sample
89e803fb3d77bd7c8ce32b32eaa6832dd37dba1fe675ac46cce0cb297646dc0d.dll
Resource
win7v20210410
windows7_x64
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
89e803fb3d77bd7c8ce32b32eaa6832dd37dba1fe675ac46cce0cb297646dc0d.dll
Resource
win10v20210410
windows10_x64
0 signatures
0 seconds
General
- Target 89e803fb3d77bd7c8ce32b32eaa6832dd37dba1fe675ac46cce0cb297646dc0d.dll
- Size 899KB
- Sample210706-ja5tjc9evx
- SHA256 89e803fb3d77bd7c8ce32b32eaa6832dd37dba1fe675ac46cce0cb297646dc0d
- MD5 842d16f5bc020dd549b8c6e79fd39603
- SHA1 9889a9070a2eec23d05a09012c6873b5336db876
- SHA512 bcc01e124d6a724f238522768705eee24ab669abdacd5488528ff83abf2e623f2f43e518ad59ba9c82891fb697920dd829b89a4b38d4257c1e5f20826719a92d
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- Bazar Loader
Detected loader normally used to deploy BazarBackdoor malware.
- Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 3988 created 2832 3988 rundll32.exe 37 - Bazar/Team9 Loader payload 3 IoCs
resource yara_rule behavioral2/memory/2188-122-0x00007FF6C82E5BF8-mapping.dmp BazarLoaderVar5 behavioral2/memory/2188-121-0x00007FF6C8100000-0x00007FF6C8313000-memory.dmp BazarLoaderVar5 behavioral2/memory/2188-123-0x00007FF6C8100000-0x00007FF6C8313000-memory.dmp BazarLoaderVar5 - Blocklisted process makes network request 3 IoCs
flow pid Process 15 3988 rundll32.exe 17 3988 rundll32.exe 18 3988 rundll32.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3988 set thread context of 2188 3988 rundll32.exe 79 - Delays execution with timeout.exe 1 IoCs
pid Process 4028 timeout.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3988 rundll32.exe 3988 rundll32.exe - Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79 PID 3988 wrote to memory of 2188 3988 rundll32.exe 79
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:2832
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\89e803fb3d77bd7c8ce32b32eaa6832dd37dba1fe675ac46cce0cb297646dc0d.dll,#12⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Blocklisted process makes network request
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3988
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C:\Program Files\Google\Chrome\Application\chrome.exe"C:\Program Files\Google\Chrome\Application\chrome.exe"2⤵PID:2188
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C:\Windows\SYSTEM32\cmd.execmd /c TIMEOUT /T 50 /NOBREAK && move "C:\Users\Admin\AppData\Local\Temp\5DFF.tmp" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft .NET Framework update.lnk"3⤵PID:3736
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C:\Windows\system32\timeout.exeTIMEOUT /T 50 /NOBREAK4⤵
- Delays execution with timeout.exe
PID:4028
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