fa0c96567d8cdf51e45c98cffe1434d8d1e2407753712cf1d8be5ec290f13f24

Analysis

max time kernel
146s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
17-01-2024 19:47

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General

Target

63725d1219e156bc920593ac1f9c8028.pdf
Size

41KB
MD5

63725d1219e156bc920593ac1f9c8028
SHA1

75fb72184a49d2ae03f77dc26bccdc2fe9d086a6
SHA256

fa0c96567d8cdf51e45c98cffe1434d8d1e2407753712cf1d8be5ec290f13f24
SHA512

a957cb3d04ffbde0b76618685c560e3c1e262a21ff7399e36649f5ba6118625dcbe3a2dbd8f05cd4d8fa0094c65b209989eb1dff526ee55aa4b4e63e3b32bc9e
SSDEEP

768:gTvjXSpTgob9t56CXyOk8tXLeaSaYODeMuRF4Acox64i:g7jCpznby78tXLeaZeMuxTi

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4424	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe
4424	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4424 wrote to memory of 1040	4424	AcroRd32.exe	92
PID 4424 wrote to memory of 1040	4424	AcroRd32.exe	92
PID 4424 wrote to memory of 1040	4424	AcroRd32.exe	92
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 3356	1040	RdrCEF.exe	93
PID 1040 wrote to memory of 2212	1040	RdrCEF.exe	94
PID 1040 wrote to memory of 2212	1040	RdrCEF.exe	94
PID 1040 wrote to memory of 2212	1040	RdrCEF.exe	94
PID 1040 wrote to memory of 2212	1040	RdrCEF.exe	94
PID 1040 wrote to memory of 2212	1040	RdrCEF.exe	94
PID 1040 wrote to memory of 2212	1040	RdrCEF.exe	94
PID 1040 wrote to memory of 2212	1040	RdrCEF.exe	94
PID 1040 wrote to memory of 2212	1040	RdrCEF.exe	94
PID 1040 wrote to memory of 2212	1040	RdrCEF.exe	94
PID 1040 wrote to memory of 2212	1040	RdrCEF.exe	94
PID 1040 wrote to memory of 2212	1040	RdrCEF.exe	94
PID 1040 wrote to memory of 2212	1040	RdrCEF.exe	94
PID 1040 wrote to memory of 2212	1040	RdrCEF.exe	94
PID 1040 wrote to memory of 2212	1040	RdrCEF.exe	94
PID 1040 wrote to memory of 2212	1040	RdrCEF.exe	94
PID 1040 wrote to memory of 2212	1040	RdrCEF.exe	94
PID 1040 wrote to memory of 2212	1040	RdrCEF.exe	94
PID 1040 wrote to memory of 2212	1040	RdrCEF.exe	94
PID 1040 wrote to memory of 2212	1040	RdrCEF.exe	94
PID 1040 wrote to memory of 2212	1040	RdrCEF.exe	94

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\63725d1219e156bc920593ac1f9c8028.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:4424
- 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:1040
- - 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=4C32BE987BF35F3AA9CF6F14CB0C562C --mojo-platform-channel-handle=1740 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=E1D44232B2403E58C961E1CBB5D7708C --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=E1D44232B2403E58C961E1CBB5D7708C --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2212
- - 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=A6F48049B62936F5A141C446197B929E --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=A6F48049B62936F5A141C446197B929E --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5100
- - 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=50E56853D87DA9FAB1F2887055E24D90 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1824
- - 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=55F44C3E4795435F31FE5798A39171D0 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3416
- - 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=7811B0F00602CE5830F848DF71273AE2 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3088

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3316

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

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Downloads

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

Filesize
64KB

MD5
8694802868db78ed8f6c340588e91555

SHA1
1a68afc1fa1b1e1baef01564e6c4a7beb3fd643b

SHA256
6b231ff3749922f105cbdad1190e2b502ae94fc19a798c390791f86e5e232641

SHA512
e3db66415cecc0a7c111ac8202789dc8c964e9a0ebf8af6d14d9c1169455e85f768cd63332815e20aafccabd851a56a1af6a1bf11faf92499a475213f20e4205

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