1f18c03d36c51611397e74b88ab46e05c639e00d6cce54757a8750b5a621fbe3

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
19-03-2024 18:37

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General

Target

d6d4d7f2b70d25337e9732e1ba812842.pdf
Size

88KB
MD5

d6d4d7f2b70d25337e9732e1ba812842
SHA1

7c9ec79bfa06674288b4533f31b9c7e32165d87e
SHA256

1f18c03d36c51611397e74b88ab46e05c639e00d6cce54757a8750b5a621fbe3
SHA512

d7a3bde4afd0627e04329db946030b66d610458155098b877ba0d61d94b6bde041cfb9e09a0c992e238b0ae0b5be435e04a8d822b3407696d44face5fcbf382c
SSDEEP

1536:ZOELKorL4T4EiY5/4Z5qNrk8lhhV28ViM1Iyq6i6dtmuWNempMclgfkHXWxApOGp:QQKorL4T4js/4rqN4GhhV2oIF6i6CvlT

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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4064	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe
4064	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4064 wrote to memory of 1652	4064	AcroRd32.exe	93
PID 4064 wrote to memory of 1652	4064	AcroRd32.exe	93
PID 4064 wrote to memory of 1652	4064	AcroRd32.exe	93
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 2904	1652	RdrCEF.exe	94
PID 1652 wrote to memory of 3884	1652	RdrCEF.exe	95
PID 1652 wrote to memory of 3884	1652	RdrCEF.exe	95
PID 1652 wrote to memory of 3884	1652	RdrCEF.exe	95
PID 1652 wrote to memory of 3884	1652	RdrCEF.exe	95
PID 1652 wrote to memory of 3884	1652	RdrCEF.exe	95
PID 1652 wrote to memory of 3884	1652	RdrCEF.exe	95
PID 1652 wrote to memory of 3884	1652	RdrCEF.exe	95
PID 1652 wrote to memory of 3884	1652	RdrCEF.exe	95
PID 1652 wrote to memory of 3884	1652	RdrCEF.exe	95
PID 1652 wrote to memory of 3884	1652	RdrCEF.exe	95
PID 1652 wrote to memory of 3884	1652	RdrCEF.exe	95
PID 1652 wrote to memory of 3884	1652	RdrCEF.exe	95
PID 1652 wrote to memory of 3884	1652	RdrCEF.exe	95
PID 1652 wrote to memory of 3884	1652	RdrCEF.exe	95
PID 1652 wrote to memory of 3884	1652	RdrCEF.exe	95
PID 1652 wrote to memory of 3884	1652	RdrCEF.exe	95
PID 1652 wrote to memory of 3884	1652	RdrCEF.exe	95
PID 1652 wrote to memory of 3884	1652	RdrCEF.exe	95
PID 1652 wrote to memory of 3884	1652	RdrCEF.exe	95
PID 1652 wrote to memory of 3884	1652	RdrCEF.exe	95

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\d6d4d7f2b70d25337e9732e1ba812842.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:4064
- 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:1652
- - 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=FA88A61F2A06B3C350F11017A3A0A4FB --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2904
- - 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=2D6931668BF7BD28DD6769F8B288A93A --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=2D6931668BF7BD28DD6769F8B288A93A --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3884
- - 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=8252A4F7352CBA9A331129893C47E711 --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=8252A4F7352CBA9A331129893C47E711 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2132
- - 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=EDF8F9193F561CAC92E30A2593CB6C20 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4052
- - 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=4315018F6B42A9B323FF85DD370EB48E --mojo-platform-channel-handle=1972 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3356
- - 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=770E8510CA6FEEE2D74FE1E46D8E4B6D --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1624

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2244

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
bfa68a931d17654961072067ef0c2752

SHA1
618732e5a3f7d8354c7ce0bec16536fcfafa5113

SHA256
3b5e5eb5287908e1346563108819c8b1d01286fc9f0533b2c0cc3da354f336c2

SHA512
fa15d24b1758d5d08834dbb8e4fe8de4a4b1ed5936f2bf008c4558c1dfa64adc527343378ecfd04c8583bfca2d7c4cb7faff900389a4a90db79474da79c543b1

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit