4646d6df68ecdf083cf83cc4836cd14ef75dbd6cf5625d2c2ca6dcc5e349e5e0

Analysis

max time kernel
144s
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
03/02/2024, 05:38

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General

Target

8b88de08f54963c40c1c59a08cf7e59c.pdf
Size

85KB
MD5

8b88de08f54963c40c1c59a08cf7e59c
SHA1

02e7a9958cdcbb73c3fbdf6cca75bf53fc730fd7
SHA256

4646d6df68ecdf083cf83cc4836cd14ef75dbd6cf5625d2c2ca6dcc5e349e5e0
SHA512

0f889df11c5c33d6a9a8023b85c8ce084273693e5aff52dcb421f602f5ab8b99137b70d5f56e8fd48a8f8f45aab16f540e50573cb4ccb0ce1e29c28ac519f7c0
SSDEEP

1536:WHgpL5rJtDOBclhAvco7FaRpxj/4JkTJBr5+qK9WkNpOPaWB7OEyT1OJzQ2gR6A8:PptrJVOBQW7kRpxj/dT0qKmPviEyT1Oj

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2364	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe
2364	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 1672	2364	AcroRd32.exe	92
PID 2364 wrote to memory of 1672	2364	AcroRd32.exe	92
PID 2364 wrote to memory of 1672	2364	AcroRd32.exe	92
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 3264	1672	RdrCEF.exe	93
PID 1672 wrote to memory of 4200	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4200	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4200	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4200	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4200	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4200	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4200	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4200	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4200	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4200	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4200	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4200	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4200	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4200	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4200	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4200	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4200	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4200	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4200	1672	RdrCEF.exe	94
PID 1672 wrote to memory of 4200	1672	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\8b88de08f54963c40c1c59a08cf7e59c.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:2364
- 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:1672
- - 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=98A185A0C718EB466B1A6C71DF156506 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3264
- - 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=9BC77CD73262F368F7445E0A8277EE5C --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=9BC77CD73262F368F7445E0A8277EE5C --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4200
- - 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=D8DCCA29D673B71C049BA3FFB7C44626 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3556
- - 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=DA113D749E102C6C4D92280E748ACB1E --mojo-platform-channel-handle=1980 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:440
- - 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=5D877FE380E76AB31103C974E39DD858 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1364
- - 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=E7151A70A5880F778F6048D6AC5EFD91 --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=E7151A70A5880F778F6048D6AC5EFD91 --renderer-client-id=7 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1196

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
edf67f9d3d96225e3161f534917071e8

SHA1
905d8fc73a640c81e40375afb9619c06b73b314d

SHA256
cf889f6b8f4b92c1e55ea863a3f82edaec50171336a525574926e42404d18375

SHA512
606aa258252daf9da91739ef0ed6a77d7af09f0497bd5ed601712421ff5a13e6b3ed5c0f2e7807fc7040caa69cb49f1c1ca3f2aee45aa315054fba11f8cba60d

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