5afabf2f9ab695e2abfcfc16b39589359bee15cbd72a3b2f5ea59bd62405b544

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
25-03-2024 12:39

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General

Target

de0878bbda4a35648e9c8f21e0fb5c32.pdf
Size

89KB
MD5

de0878bbda4a35648e9c8f21e0fb5c32
SHA1

abcbed5d82b84ce9768ebd123e7ab50db6d390f4
SHA256

5afabf2f9ab695e2abfcfc16b39589359bee15cbd72a3b2f5ea59bd62405b544
SHA512

bfa518d5dd3f2e8aa321ea4cf6c4e55943090896d007142a5abfe6e5730c51f8137eb3ef07fd4d0cbc85ab3788b728266e8a6890b874e8396edbbd6730ed973b
SSDEEP

1536:f9qaCIhruyppU0z3/L4WK1sYYFkGYRo5VdP63/eGxxNhWIrKjMgl5F810Z6ML8qr:VqjCruH0bMpOzetwVd2emxNhKjMglP+K

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-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
396	AcroRd32.exe
396	AcroRd32.exe
396	AcroRd32.exe
396	AcroRd32.exe
396	AcroRd32.exe
396	AcroRd32.exe
396	AcroRd32.exe
396	AcroRd32.exe
396	AcroRd32.exe
396	AcroRd32.exe
396	AcroRd32.exe
396	AcroRd32.exe
396	AcroRd32.exe
396	AcroRd32.exe
396	AcroRd32.exe
396	AcroRd32.exe
396	AcroRd32.exe
396	AcroRd32.exe
396	AcroRd32.exe
396	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
396	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
396	AcroRd32.exe
396	AcroRd32.exe
396	AcroRd32.exe
396	AcroRd32.exe
396	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 396 wrote to memory of 4824	396	AcroRd32.exe	92
PID 396 wrote to memory of 4824	396	AcroRd32.exe	92
PID 396 wrote to memory of 4824	396	AcroRd32.exe	92
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 3416	4824	RdrCEF.exe	93
PID 4824 wrote to memory of 2380	4824	RdrCEF.exe	94
PID 4824 wrote to memory of 2380	4824	RdrCEF.exe	94
PID 4824 wrote to memory of 2380	4824	RdrCEF.exe	94
PID 4824 wrote to memory of 2380	4824	RdrCEF.exe	94
PID 4824 wrote to memory of 2380	4824	RdrCEF.exe	94
PID 4824 wrote to memory of 2380	4824	RdrCEF.exe	94
PID 4824 wrote to memory of 2380	4824	RdrCEF.exe	94
PID 4824 wrote to memory of 2380	4824	RdrCEF.exe	94
PID 4824 wrote to memory of 2380	4824	RdrCEF.exe	94
PID 4824 wrote to memory of 2380	4824	RdrCEF.exe	94
PID 4824 wrote to memory of 2380	4824	RdrCEF.exe	94
PID 4824 wrote to memory of 2380	4824	RdrCEF.exe	94
PID 4824 wrote to memory of 2380	4824	RdrCEF.exe	94
PID 4824 wrote to memory of 2380	4824	RdrCEF.exe	94
PID 4824 wrote to memory of 2380	4824	RdrCEF.exe	94
PID 4824 wrote to memory of 2380	4824	RdrCEF.exe	94
PID 4824 wrote to memory of 2380	4824	RdrCEF.exe	94
PID 4824 wrote to memory of 2380	4824	RdrCEF.exe	94
PID 4824 wrote to memory of 2380	4824	RdrCEF.exe	94
PID 4824 wrote to memory of 2380	4824	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\de0878bbda4a35648e9c8f21e0fb5c32.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:396
- 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:4824
- - 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=22D7B7F30ECACD8F2F6C88784A57A9B2 --mojo-platform-channel-handle=1748 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=6FABE0D62CC4C413F0D19A8117316D38 --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=6FABE0D62CC4C413F0D19A8117316D38 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2380
- - 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=8500350C28A46E7A6B0E5ADA66176076 --mojo-platform-channel-handle=2148 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:556
- - 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=F785E31487E2F583E8C96D5F7265A1C4 --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4028
- - 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=7C313C1F298D5F85EB2C7D27B85510FE --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=7C313C1F298D5F85EB2C7D27B85510FE --renderer-client-id=6 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3960
- - 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=A2F408537C793262CD152BD8D5BDA375 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2104

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3928

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
1ec06ddf6e31a41c76a4ed1fa47f2394

SHA1
2733ab0c9c8142967d656a4b8d8c42ea0508660d

SHA256
107e5688e31c1d707f5181609610a329743f6b5ca5bab52db8f2815ae435182c

SHA512
9dd928e6d990a9591d080d1b61a21e69e852286983b7893628b01011769df0ee99e77622036d47b584f4e9aeffa205b2148ff95dd2900b07fb68638863641b04

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