3d2c49b5aafea40731e16cc37ef53f007ef20a3f576c2f8e1dfbcfadaa93c1b4

Analysis

max time kernel
200s
max time network
170s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
08/05/2024, 15:00

Sharing

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General

Target

54 CR.pdf
Size

1006KB
MD5

8b081a34edc9d70735604a141fe16fe2
SHA1

29853e0b475c6d5e9ea0b02da00e6a64fb6ef13d
SHA256

3d2c49b5aafea40731e16cc37ef53f007ef20a3f576c2f8e1dfbcfadaa93c1b4
SHA512

032371cccf11bd20c844299e5259301d19621689cd6afdbb0b07c23e47ca559892aa150401723b88d64bc9a00d99deb3ce62a6e1bc1cae47984623622c943682
SSDEEP

24576:IX+o3BpaJzm6RAu8mq427H++7bo24N77T83GPfe5:d3m6LqAbyk25

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-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
456	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe
456	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 456 wrote to memory of 2988	456	AcroRd32.exe	90
PID 456 wrote to memory of 2988	456	AcroRd32.exe	90
PID 456 wrote to memory of 2988	456	AcroRd32.exe	90
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 2880	2988	RdrCEF.exe	91
PID 2988 wrote to memory of 4640	2988	RdrCEF.exe	92
PID 2988 wrote to memory of 4640	2988	RdrCEF.exe	92
PID 2988 wrote to memory of 4640	2988	RdrCEF.exe	92
PID 2988 wrote to memory of 4640	2988	RdrCEF.exe	92
PID 2988 wrote to memory of 4640	2988	RdrCEF.exe	92
PID 2988 wrote to memory of 4640	2988	RdrCEF.exe	92
PID 2988 wrote to memory of 4640	2988	RdrCEF.exe	92
PID 2988 wrote to memory of 4640	2988	RdrCEF.exe	92
PID 2988 wrote to memory of 4640	2988	RdrCEF.exe	92
PID 2988 wrote to memory of 4640	2988	RdrCEF.exe	92
PID 2988 wrote to memory of 4640	2988	RdrCEF.exe	92
PID 2988 wrote to memory of 4640	2988	RdrCEF.exe	92
PID 2988 wrote to memory of 4640	2988	RdrCEF.exe	92
PID 2988 wrote to memory of 4640	2988	RdrCEF.exe	92
PID 2988 wrote to memory of 4640	2988	RdrCEF.exe	92
PID 2988 wrote to memory of 4640	2988	RdrCEF.exe	92
PID 2988 wrote to memory of 4640	2988	RdrCEF.exe	92
PID 2988 wrote to memory of 4640	2988	RdrCEF.exe	92
PID 2988 wrote to memory of 4640	2988	RdrCEF.exe	92
PID 2988 wrote to memory of 4640	2988	RdrCEF.exe	92

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\54 CR.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:456
- 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:2988
- - 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=0E4FC71725F8D03A71423208F6A3C7C8 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2880
- - 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=EC2455DAE8F66E8B803CDECD66E68562 --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=EC2455DAE8F66E8B803CDECD66E68562 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4640
- - 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=D129BEF3796AD1374E856C980986A26D --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1952
- - 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=C656540FB207478362F4DC3FFC78FEFB --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4692
- - 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=AEBAC10192B5FA2BD105B7B9E0DB8CC9 --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=AEBAC10192B5FA2BD105B7B9E0DB8CC9 --renderer-client-id=6 --mojo-platform-channel-handle=1896 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5024
- - 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=BF4CC45B14E0F4119F51025C232CBD91 --mojo-platform-channel-handle=2376 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5108

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4340,i,17096020621006928097,15544233752327415349,262144 --variations-seed-version --mojo-platform-channel-handle=3244 /prefetch:8
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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
a8550463f21a419cb7e385bb53f115d6

SHA1
23234d5c67e9be118a172eda370a00726315f52e

SHA256
5de2ca9e95e943d0eb9acccc0b797bcf401a5f13bdfb62de6f987b6b6883db94

SHA512
96c69e7d9687548c2076f046037c5f8c4fde39207ae0ed449c67917142aeaded843d34e65dd59c053d9b857cc825060be0fde8a6087c67db10151fc02df6364b

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