d6d57a1d1e85433b4312c981fa553813553cc609103e0aa837a0aea259563de5

Analysis

max time kernel
141s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/02/2024, 01:50

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General

Target

aab200c2a8f1b7e9956342b6e8353d4d.pdf
Size

78KB
MD5

aab200c2a8f1b7e9956342b6e8353d4d
SHA1

21a617cc217708fab997ead36f885e4fe391fe81
SHA256

d6d57a1d1e85433b4312c981fa553813553cc609103e0aa837a0aea259563de5
SHA512

619a31d12e7aaaf51b56427101a5c79bf97700262644bf224506211441bbec78fff2e9875bb8dba9785c353befcd9c694df38553e1734d37d667c86fdd43ec76
SSDEEP

1536:5gXiIFR6Z/GNoQxcDJgKcFo+udIuEN4wruUpAtRn4JDoSjzRKlCQY:uX8ZQAOrZNHNKR4JDXjzRe+

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-1-5-21-275798769-4264537674-1142822080-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1852	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe
1852	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 2556	1852	AcroRd32.exe	93
PID 1852 wrote to memory of 2556	1852	AcroRd32.exe	93
PID 1852 wrote to memory of 2556	1852	AcroRd32.exe	93
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3056	2556	RdrCEF.exe	94
PID 2556 wrote to memory of 3816	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3816	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3816	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3816	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3816	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3816	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3816	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3816	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3816	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3816	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3816	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3816	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3816	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3816	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3816	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3816	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3816	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3816	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3816	2556	RdrCEF.exe	95
PID 2556 wrote to memory of 3816	2556	RdrCEF.exe	95

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\aab200c2a8f1b7e9956342b6e8353d4d.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:1852
- 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:2556
- - 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=03F455F950C2281B65FA7029731444E3 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3056
- - 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=E2A36D8B95A9B4B6B32BCDAA69802B41 --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=E2A36D8B95A9B4B6B32BCDAA69802B41 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3816
- - 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=0A53B1B88BDA2F0349E4915A6F9D6919 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4572
- - 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=71F63E2232412AE51DC2EF788D8B48A5 --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=71F63E2232412AE51DC2EF788D8B48A5 --renderer-client-id=5 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3084
- - 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=46036B65F98F262BF38AD56E8B4100B3 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4444
- - 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=2DB4BEFFE8114F76C9D564AA62DF86EC --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3544

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2320

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
ab032e7c11cfa67c7bd63221296d984c

SHA1
81c88a10ad411d71a78eab8f78d8c0702134da0a

SHA256
6990b25f19ab0c887a8acc12460f270a9437b52cf8bc28f98dbdd2993ab3a25a

SHA512
4bb4de2e90ba41c881fed5a2420e6060e6d5856f9559e2e50d62942937563cd5aed7be6379bebc1e565436f77176302bc8d38a5b71ac11188b6f1af99f54f834

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