fb65c7276bec39c9fc7a65ba3097290789bd4e0242aa91ef7b07c9a79148c3d4

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 19:52

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General

Target

783f926e4e68a42a6d8c88a60f9940b0.pdf
Size

77KB
MD5

783f926e4e68a42a6d8c88a60f9940b0
SHA1

a7db47758149a1b6742ef95ba49e9c0bb6ecf4fe
SHA256

fb65c7276bec39c9fc7a65ba3097290789bd4e0242aa91ef7b07c9a79148c3d4
SHA512

2e261078f551a2c0c1f3ff8446544e21c4c360b41ebc4d53c46d283ea8b1d90bcf57c270606f26eda661dd269507a9bf22bd21354400d0718057fd4fd73e3429
SSDEEP

1536:YbG18gXOg+B+EVts21dHteEIWitHNka0j3BkPWmeWUpO7gxD:918TRXXs2fNedtka0jRkPWM7q

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
968	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe
968	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 968 wrote to memory of 2260	968	AcroRd32.exe	94
PID 968 wrote to memory of 2260	968	AcroRd32.exe	94
PID 968 wrote to memory of 2260	968	AcroRd32.exe	94
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 2012	2260	RdrCEF.exe	95
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	96
PID 2260 wrote to memory of 4820	2260	RdrCEF.exe	96

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\783f926e4e68a42a6d8c88a60f9940b0.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:968
- 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:2260
- - 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=08329174CD266E79B96EBA9778035063 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2012
- - 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=F2F9FD9ED567909823303423FF6F7374 --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=F2F9FD9ED567909823303423FF6F7374 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4820
- - 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=A1BE98F9DB695F82756CC5F67FB3B0E3 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1664
- - 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=4AC47F5D60C816A0A5447C31630CBF2E --mojo-platform-channel-handle=1952 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2484
- - 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=DF209199C86C7FD6EE344004E02F22F8 --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=DF209199C86C7FD6EE344004E02F22F8 --renderer-client-id=6 --mojo-platform-channel-handle=2512 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:680
- - 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=8B010028B764A556E2F00C4922C7710A --mojo-platform-channel-handle=2748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2620

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4680

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
3a5000cc4ccf1a1492d4f66ddc17c1bb

SHA1
b0657a9252361ac9fce11c85f3ce755865b1b673

SHA256
b209b4935e32e5e05075c8176fcb91cc25f5461ac02747a56401983bb719ecc9

SHA512
cc59a71f65f09daad2b87d6864a52df827cc97c46788f001f71683799f18211bc12ed742b00fe6318b2fb017dfad11be38040678d38ee57c3433a5f28269b442

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