fd97438e62279b1213841339a3b7eb95d3a6fca56989d531d3f578ca0e77d19d

Analysis

max time kernel
150s
max time network
153s
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, 06:11

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General

Target

2b4bdb688e2f0808ef6f4ffdb6ec58df.pdf
Size

72KB
MD5

2b4bdb688e2f0808ef6f4ffdb6ec58df
SHA1

b1f94f9490d6001cf8f9c5e554b7c989bf034b6b
SHA256

fd97438e62279b1213841339a3b7eb95d3a6fca56989d531d3f578ca0e77d19d
SHA512

fac062b84d3561d399fd3ba5ea54b3d1a3abf89f68e038b37f7bc05a2ebcd57f7d873772ed688dd4d2d5ede4381ad25a59779053bf3b9fcccd588a910ce0ab80
SSDEEP

1536:JN22SrbHND/Fz7Yz0YqrCr5pWcp1LkzZsCN12o9yq/B2s1ppqTeduy2qq4y:322oBdztreHnid12SBRQeztG

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1736	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe
1736	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1736 wrote to memory of 4984	1736	AcroRd32.exe	92
PID 1736 wrote to memory of 4984	1736	AcroRd32.exe	92
PID 1736 wrote to memory of 4984	1736	AcroRd32.exe	92
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 2156	4984	RdrCEF.exe	93
PID 4984 wrote to memory of 3588	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 3588	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 3588	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 3588	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 3588	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 3588	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 3588	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 3588	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 3588	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 3588	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 3588	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 3588	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 3588	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 3588	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 3588	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 3588	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 3588	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 3588	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 3588	4984	RdrCEF.exe	94
PID 4984 wrote to memory of 3588	4984	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\2b4bdb688e2f0808ef6f4ffdb6ec58df.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:1736
- 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:4984
- - 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=9B4D76EB9C1EB8507F1C2D98BFA5D1C9 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2156
- - 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=C090F46660BA6C4AEB34F29D50063ADB --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=C090F46660BA6C4AEB34F29D50063ADB --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3588
- - 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=9FE59F26F809F811E6B5590BB0586427 --mojo-platform-channel-handle=2136 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2588
- - 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=9EBF17F60BE65BE7A866BAA40FBECEFE --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=9EBF17F60BE65BE7A866BAA40FBECEFE --renderer-client-id=5 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4272
- - 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=F6AFE9D3C437803019005A226963E456 --mojo-platform-channel-handle=2724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3580
- - 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=8A0E5227578E4E22819D8EA5FB61B8F5 --mojo-platform-channel-handle=2948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2872

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3476

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
22f017f6c6fa41bf8ab5a451f17e8601

SHA1
c66d23cef67b359e8ec80264527d0eaffa14b81e

SHA256
745e739f26e0c5a719905a55349ecbae629cb08cb147cc098cf30c6c88c425c1

SHA512
12158f1002826904309f5eac939807470d467ca5d6aad9d513ecd86921219961be465ba6bbcdff07706b2f2d424ab55dd38a34b90ddb98f2d83b55d1900102f5

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