dacf5baded61ff886a37801698ea7726e4e407cd1a2b895a320d1faf7881e08c

Analysis

max time kernel
169s
max time network
206s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 14:15

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General

Target

39788ecd1e799a3dd6be5c76640700ff.pdf
Size

34KB
MD5

39788ecd1e799a3dd6be5c76640700ff
SHA1

eaa7891883fb25780d978adb6a54014e50a4c8e9
SHA256

dacf5baded61ff886a37801698ea7726e4e407cd1a2b895a320d1faf7881e08c
SHA512

29c7a4a2397a7a19350163e3e47e72085e5b2b2dcaefbe2f957a44c93af3a13fdc665c1afdd937f0517ce47047bdd4a6c3649e6fbfdf0b1352489b8eb813f704
SSDEEP

768:n4gH9KpHgvLYssKUTXsQMUZU2cF4i8L1o/cYeTbf8c0G74:nFHOHAL9UArj8L1Iq8+74

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
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
880	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 3428	880	AcroRd32.exe	98
PID 880 wrote to memory of 3428	880	AcroRd32.exe	98
PID 880 wrote to memory of 3428	880	AcroRd32.exe	98
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1884	3428	RdrCEF.exe	99
PID 3428 wrote to memory of 1784	3428	RdrCEF.exe	100
PID 3428 wrote to memory of 1784	3428	RdrCEF.exe	100
PID 3428 wrote to memory of 1784	3428	RdrCEF.exe	100
PID 3428 wrote to memory of 1784	3428	RdrCEF.exe	100
PID 3428 wrote to memory of 1784	3428	RdrCEF.exe	100
PID 3428 wrote to memory of 1784	3428	RdrCEF.exe	100
PID 3428 wrote to memory of 1784	3428	RdrCEF.exe	100
PID 3428 wrote to memory of 1784	3428	RdrCEF.exe	100
PID 3428 wrote to memory of 1784	3428	RdrCEF.exe	100
PID 3428 wrote to memory of 1784	3428	RdrCEF.exe	100
PID 3428 wrote to memory of 1784	3428	RdrCEF.exe	100
PID 3428 wrote to memory of 1784	3428	RdrCEF.exe	100
PID 3428 wrote to memory of 1784	3428	RdrCEF.exe	100
PID 3428 wrote to memory of 1784	3428	RdrCEF.exe	100
PID 3428 wrote to memory of 1784	3428	RdrCEF.exe	100
PID 3428 wrote to memory of 1784	3428	RdrCEF.exe	100
PID 3428 wrote to memory of 1784	3428	RdrCEF.exe	100
PID 3428 wrote to memory of 1784	3428	RdrCEF.exe	100

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\39788ecd1e799a3dd6be5c76640700ff.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:880
- 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:3428
- - 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=45C7AD6DBCF590EA4FC591719C3EB2DA --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=45C7AD6DBCF590EA4FC591719C3EB2DA --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1884
- - 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=DF8DE6D2118D580CB7ACAC20E38AF690 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1784
- - 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=BF4768C7E0D6B4AA279872B3691D1E6B --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=BF4768C7E0D6B4AA279872B3691D1E6B --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4296
- - 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=07106F218C24E7E06C318FA9B0B771FF --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:628
- - 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=AD3E72DB61CB34DE868647B714612886 --mojo-platform-channel-handle=2012 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4032
- - 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=6DD930FD5E0B85D40A0F64ED3D043FA7 --mojo-platform-channel-handle=2596 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4256

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3116

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
e76aedac00aaae195be642205bb890aa

SHA1
8cc2722d629ae7a0b5f68f438298ae80b8316b12

SHA256
a7a3c7c86db967b161a03fe8873c4843fafcf3839ddc4ad39fa7278f04ed864b

SHA512
640ef0d16da490119dd9a67872c1169ccc2fa7800b51efd5dfa2ef9c83a323d1d9662361669590b67d932565a79dbc65809bcb96242127d6b44dd416d5fe4a6f

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