9d00a1bf88bd46cbe034f2a1d4676e332214da3ffd2b9e756a18ec691efdcf8f

Analysis

max time kernel
13s
max time network
147s
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, 10:50

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General

Target

166c9c3a41c783e3f34290e3274c2b34.pdf
Size

75KB
MD5

166c9c3a41c783e3f34290e3274c2b34
SHA1

787db59c1a242e98c9bc132d89990532f1cbcf21
SHA256

9d00a1bf88bd46cbe034f2a1d4676e332214da3ffd2b9e756a18ec691efdcf8f
SHA512

b50c1f499e9b4ea3b4a64132dfbb184bba8c169a4390bb4bbaf996a817e7c98558321019f7d9ef5430639164538e8518a9bc40cd96980b7a195375c0be3de101
SSDEEP

1536:4zJ9BfNXpUT+eHGHZMddK9s4Umf+wvvCMRlkZEy3Sc+RY0DpYZbO9mb:+3fNXCT5G5yaM+tv5ReZEy3Sc+RY8uZz

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

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4668	AcroRd32.exe
4668	AcroRd32.exe
4668	AcroRd32.exe
4668	AcroRd32.exe
4668	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4668 wrote to memory of 2220	4668	AcroRd32.exe	91
PID 4668 wrote to memory of 2220	4668	AcroRd32.exe	91
PID 4668 wrote to memory of 2220	4668	AcroRd32.exe	91
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 4392	2220	RdrCEF.exe	99
PID 2220 wrote to memory of 2984	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 2984	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 2984	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 2984	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 2984	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 2984	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 2984	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 2984	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 2984	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 2984	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 2984	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 2984	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 2984	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 2984	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 2984	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 2984	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 2984	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 2984	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 2984	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 2984	2220	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\166c9c3a41c783e3f34290e3274c2b34.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4668
- 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:2220
- - 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=374209C56A206012A728111623FB6F37 --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=374209C56A206012A728111623FB6F37 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2984
- - 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=A896204D21D5254241052B7E0D8A2260 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4392
- - 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=43C7541C77D0C26E84FA44D739EC21F5 --mojo-platform-channel-handle=2260 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2384
- - 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=2B5E26FDBDBD3BB9C113ED8754244B1C --mojo-platform-channel-handle=1916 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3868
- - 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=09CBE855C4D2747D7BF37FBBBA53EF6C --mojo-platform-channel-handle=1856 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3664

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2120

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

Windows 7 deprecation

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