b2b9e3224f32e3f8c4ef9afaba1e819d45d63d6cab49d16165728a6e5bef3772

Analysis

max time kernel
151s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 07:01

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General

Target

11a4c855bb1886b33ddae72be3a505ef.pdf
Size

94KB
MD5

11a4c855bb1886b33ddae72be3a505ef
SHA1

a9224b70d546e620c68444b501a967a996f93339
SHA256

b2b9e3224f32e3f8c4ef9afaba1e819d45d63d6cab49d16165728a6e5bef3772
SHA512

f3724599f9ff752025f967784fd0b4090fe4b47265b63a4a87b8c03c96caa95cff97dc3428d8dbfca89f166d357ac06133901322c6de43bed179611eb7e6ab3f
SSDEEP

1536:CfLx7eZPH06dLef6mq8MLbqVWc9AhxyT7uzWQWGE53WOpOwrKWro1QsIH7VKUUs8:u7eZf0B6mq8MLGVWc9MwcE50wruQsI8N

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
820	AcroRd32.exe
820	AcroRd32.exe
820	AcroRd32.exe
820	AcroRd32.exe
820	AcroRd32.exe
820	AcroRd32.exe
820	AcroRd32.exe
820	AcroRd32.exe
820	AcroRd32.exe
820	AcroRd32.exe
820	AcroRd32.exe
820	AcroRd32.exe
820	AcroRd32.exe
820	AcroRd32.exe
820	AcroRd32.exe
820	AcroRd32.exe
820	AcroRd32.exe
820	AcroRd32.exe
820	AcroRd32.exe
820	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
820	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
820	AcroRd32.exe
820	AcroRd32.exe
820	AcroRd32.exe
820	AcroRd32.exe
820	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 820 wrote to memory of 1660	820	AcroRd32.exe	96
PID 820 wrote to memory of 1660	820	AcroRd32.exe	96
PID 820 wrote to memory of 1660	820	AcroRd32.exe	96
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 3752	1660	RdrCEF.exe	99
PID 1660 wrote to memory of 4604	1660	RdrCEF.exe	98
PID 1660 wrote to memory of 4604	1660	RdrCEF.exe	98
PID 1660 wrote to memory of 4604	1660	RdrCEF.exe	98
PID 1660 wrote to memory of 4604	1660	RdrCEF.exe	98
PID 1660 wrote to memory of 4604	1660	RdrCEF.exe	98
PID 1660 wrote to memory of 4604	1660	RdrCEF.exe	98
PID 1660 wrote to memory of 4604	1660	RdrCEF.exe	98
PID 1660 wrote to memory of 4604	1660	RdrCEF.exe	98
PID 1660 wrote to memory of 4604	1660	RdrCEF.exe	98
PID 1660 wrote to memory of 4604	1660	RdrCEF.exe	98
PID 1660 wrote to memory of 4604	1660	RdrCEF.exe	98
PID 1660 wrote to memory of 4604	1660	RdrCEF.exe	98
PID 1660 wrote to memory of 4604	1660	RdrCEF.exe	98
PID 1660 wrote to memory of 4604	1660	RdrCEF.exe	98
PID 1660 wrote to memory of 4604	1660	RdrCEF.exe	98
PID 1660 wrote to memory of 4604	1660	RdrCEF.exe	98
PID 1660 wrote to memory of 4604	1660	RdrCEF.exe	98
PID 1660 wrote to memory of 4604	1660	RdrCEF.exe	98
PID 1660 wrote to memory of 4604	1660	RdrCEF.exe	98
PID 1660 wrote to memory of 4604	1660	RdrCEF.exe	98

C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\11a4c855bb1886b33ddae72be3a505ef.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:820
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1660
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=51DC238523825A264DBFB09FAC558137 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=51DC238523825A264DBFB09FAC558137 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4604
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=38192BAAD03381E1D14C5E3DA27E61D5 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3752
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=5F71BED9175D3BF9192D80230B32E207 --lang=en-US --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --enable-pinch --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --enable-gpu-async-worker-context --content-image-texture-target=0,0,3553;0,1,3553;0,2,3553;0,3,3553;0,4,3553;0,5,3553;0,6,3553;0,7,3553;0,8,3553;0,9,3553;0,10,3553;0,11,3553;0,12,3553;0,13,3553;0,14,3553;0,15,3553;0,16,3553;0,17,3553;0,18,3553;1,0,3553;1,1,3553;1,2,3553;1,3,3553;1,4,3553;1,5,3553;1,6,3553;1,7,3553;1,8,3553;1,9,3553;1,10,3553;1,11,3553;1,12,3553;1,13,3553;1,14,3553;1,15,3553;1,16,3553;1,17,3553;1,18,3553;2,0,3553;2,1,3553;2,2,3553;2,3,3553;2,4,3553;2,5,3553;2,6,3553;2,7,3553;2,8,3553;2,9,3553;2,10,3553;2,11,3553;2,12,3553;2,13,3553;2,14,3553;2,15,3553;2,16,3553;2,17,3553;2,18,3553;3,0,3553;3,1,3553;3,2,3553;3,3,3553;3,4,3553;3,5,3553;3,6,3553;3,7,3553;3,8,3553;3,9,3553;3,10,3553;3,11,3553;3,12,3553;3,13,3553;3,14,3553;3,15,3553;3,16,3553;3,17,3553;3,18,3553;4,0,3553;4,1,3553;4,2,3553;4,3,3553;4,4,3553;4,5,3553;4,6,3553;4,7,3553;4,8,3553;4,9,3553;4,10,3553;4,11,3553;4,12,3553;4,13,3553;4,14,3553;4,15,3553;4,16,3553;4,17,3553;4,18,3553;5,0,3553;5,1,3553;5,2,3553;5,3,3553;5,4,3553;5,5,3553;5,6,3553;5,7,3553;5,8,3553;5,9,3553;5,10,3553;5,11,3553;5,12,3553;5,13,3553;5,14,3553;5,15,3553;5,16,3553;5,17,3553;5,18,3553;6,0,3553;6,1,3553;6,2,3553;6,3,3553;6,4,3553;6,5,3553;6,6,3553;6,7,3553;6,8,3553;6,9,3553;6,10,3553;6,11,3553;6,12,3553;6,13,3553;6,14,3553;6,15,3553;6,16,3553;6,17,3553;6,18,3553 --disable-accelerated-video-decode --service-request-channel-token=5F71BED9175D3BF9192D80230B32E207 --renderer-client-id=4 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2012
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=749FF8ECBBD339013DB5D9B04A2263A6 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3940
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=06F7BC900C9436A4CC086EA1CD661E7C --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4524
- - C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe
    "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe" --type=gpu-process --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --gpu-preferences=GAAAAAAAAAAAB4AAAQAAAAAAAAAAAGAA --use-gl=swiftshader-webgl --gpu-vendor-id=0x1234 --gpu-device-id=0x1111 --gpu-driver-vendor="Google Inc." --gpu-driver-version=3.3.0.2 --gpu-driver-date=2017/04/07 --disable-pack-loading --lang=en-US --log-file="C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\debug.log" --log-severity=disable --product-version="ReaderServices/19.10.20064 Chrome/64.0.3282.119" --service-request-channel-token=A4526E7805F00988A1E8CA8A84BAA394 --mojo-platform-channel-handle=1892 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4504

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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