ee7f30f3ef93a5febd3b84a2ba55393a8f6573250ca97747b28bee99c5c25655

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 05:38

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General

Target

2a50fd4f653824d68016d3f73cbea927.pdf
Size

78KB
MD5

2a50fd4f653824d68016d3f73cbea927
SHA1

05d161a293459c79214c64f4ad20ee6dc5e36c57
SHA256

ee7f30f3ef93a5febd3b84a2ba55393a8f6573250ca97747b28bee99c5c25655
SHA512

c61848a374ca5eb456b9a0ccbde18cf82d1378940d93569ff0936f4a6e3615a8a55c27fe1695c545e6ad566e054257b053c8e99555b95107df3c34965a60e998
SSDEEP

1536:FNaCkrU1EB07NJEwBgaaCRYvwJ6BCJiiU86OhBFxGGIuGmmnFmve2kb:njZ1m07NWwBggRyBCJiidZzFEDuGmmnF

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2352	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe
2352	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2352 wrote to memory of 4976	2352	AcroRd32.exe	92
PID 2352 wrote to memory of 4976	2352	AcroRd32.exe	92
PID 2352 wrote to memory of 4976	2352	AcroRd32.exe	92
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 3492	4976	RdrCEF.exe	93
PID 4976 wrote to memory of 732	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 732	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 732	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 732	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 732	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 732	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 732	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 732	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 732	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 732	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 732	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 732	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 732	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 732	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 732	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 732	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 732	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 732	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 732	4976	RdrCEF.exe	94
PID 4976 wrote to memory of 732	4976	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\2a50fd4f653824d68016d3f73cbea927.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:2352
- 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:4976
- - 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=0E5C63A990C636A76EFC14F89F08A806 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3492
- - 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=5B17F824DE81B119433C9E2988137880 --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=5B17F824DE81B119433C9E2988137880 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:732
- - 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=6CE73AE79C14760D06AF489FC8D3EFC7 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1404
- - 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=249EC5B0E686CEFE8090D4EDCFF72F08 --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=249EC5B0E686CEFE8090D4EDCFF72F08 --renderer-client-id=5 --mojo-platform-channel-handle=1896 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:396
- - 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=60C2D1AC72DA6E933C5541D0837A7ADE --mojo-platform-channel-handle=2452 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2224
- - 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=9A1C88291C2356B051813B86330D3E1D --mojo-platform-channel-handle=2772 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4260

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3668

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
15235f457fe6bcbb6f3d3fafa2a0ee12

SHA1
78c66b32d93d23f8c8af0c2ccbee727d32e4f8e9

SHA256
6688365b8982bf777caa9d84e4d2c120f468a5cc094f0f660b73b5d9a352f9b5

SHA512
eb163def4201922e4297aa4ddff18d7dc60c50ec22210bffd26ebba74ee8e95442326219e727c3d05df819c6a82a1b43a1628ff75ea355dd24cf3d0deed9e850

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