cec91aae8d9d4576fb358aaf7a2c22d2e2d974a598691eff6f2fcb403d35fa73

Analysis

max time kernel
141s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 08:45

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General

Target

8be659a72d01022bfc85e175b2cababf.pdf
Size

34KB
MD5

8be659a72d01022bfc85e175b2cababf
SHA1

6b9e5bdf4e0b23474bdaf08ed9d1ffd563773c84
SHA256

cec91aae8d9d4576fb358aaf7a2c22d2e2d974a598691eff6f2fcb403d35fa73
SHA512

adf251bae26fa3a4493f0e09517d4d56f6131ab22b4abdd63b4cf2a2abeb20875d26e8f83a4df1711c3021e3cbbc4b034906720110128f63f0e050264091dd16
SSDEEP

768:R9jlkkY/svpsfX+f85txHzAq8t9Q6NMDpCgMo8Z:lkDwyX+wtxHzAvQ2MDpCgMo8Z

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1140	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 4708	1140	AcroRd32.exe	93
PID 1140 wrote to memory of 4708	1140	AcroRd32.exe	93
PID 1140 wrote to memory of 4708	1140	AcroRd32.exe	93
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 3808	4708	RdrCEF.exe	94
PID 4708 wrote to memory of 4556	4708	RdrCEF.exe	95
PID 4708 wrote to memory of 4556	4708	RdrCEF.exe	95
PID 4708 wrote to memory of 4556	4708	RdrCEF.exe	95
PID 4708 wrote to memory of 4556	4708	RdrCEF.exe	95
PID 4708 wrote to memory of 4556	4708	RdrCEF.exe	95
PID 4708 wrote to memory of 4556	4708	RdrCEF.exe	95
PID 4708 wrote to memory of 4556	4708	RdrCEF.exe	95
PID 4708 wrote to memory of 4556	4708	RdrCEF.exe	95
PID 4708 wrote to memory of 4556	4708	RdrCEF.exe	95
PID 4708 wrote to memory of 4556	4708	RdrCEF.exe	95
PID 4708 wrote to memory of 4556	4708	RdrCEF.exe	95
PID 4708 wrote to memory of 4556	4708	RdrCEF.exe	95
PID 4708 wrote to memory of 4556	4708	RdrCEF.exe	95
PID 4708 wrote to memory of 4556	4708	RdrCEF.exe	95
PID 4708 wrote to memory of 4556	4708	RdrCEF.exe	95
PID 4708 wrote to memory of 4556	4708	RdrCEF.exe	95
PID 4708 wrote to memory of 4556	4708	RdrCEF.exe	95
PID 4708 wrote to memory of 4556	4708	RdrCEF.exe	95
PID 4708 wrote to memory of 4556	4708	RdrCEF.exe	95
PID 4708 wrote to memory of 4556	4708	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\8be659a72d01022bfc85e175b2cababf.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:1140
- 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:4708
- - 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=FFD6512F4E701FDBC9E45DED94881813 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3808
- - 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=4D03E89E1F8F9E4FF74808384F7935DF --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=4D03E89E1F8F9E4FF74808384F7935DF --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4556
- - 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=2971469241591D22082A163C5637E549 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4912
- - 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=1847A766F8984504D0D3B1CEF89D22E0 --mojo-platform-channel-handle=2372 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2284
- - 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=360402F05709A5707BB2D715EE5A04DC --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=360402F05709A5707BB2D715EE5A04DC --renderer-client-id=6 --mojo-platform-channel-handle=2532 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2096
- - 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=3DD1DEF4FBE57FFF762BFA858D951786 --mojo-platform-channel-handle=2512 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4432

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
7dd9b1c0423bc5d0858cd5564584b92a

SHA1
a2c61d2ac5229057547025612f1a36ad6b356109

SHA256
b70d7551cefa83021f4fe3d4ac2af3adfb29e57f71826733b757489d3f8cb226

SHA512
730562cbf6e7f736ea911d5ecf1d6d6030b9aad7bfd78fe969028bbbc19c4326d11a35fe0b1c074e1eed5be8f541a9d5ba10a1a476b07117a4d345bb94ad8fc7

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