41fd22281e5017ff5aa6d9422f8506963da3d045aab5c10379506031ff4dce94

Analysis

max time kernel
147s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 12:23

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General

Target

1e18a4d28981ee3ba0e178df819446a0.pdf
Size

13KB
MD5

1e18a4d28981ee3ba0e178df819446a0
SHA1

45b94e873b4a5b7fa5ef6d7f5a736463a5af0463
SHA256

41fd22281e5017ff5aa6d9422f8506963da3d045aab5c10379506031ff4dce94
SHA512

689731597f4c989585ef6a5240c83198f45f17e1bcfe285bbfec6696b36c22d4536e0964a8415bd952292b4e826f8cdb1eb9070c6ec363330ab25e7501c57e1d
SSDEEP

192:rQhzajYqwAO9G+/vvTs7hXbfym4GJVbBftJy/suiX7vQNi/60un/T8qvROdjzwu:shzaNwAO9GiM5fdtttfQi/60G78s4djN

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
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
64	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe
64	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 64 wrote to memory of 2984	64	AcroRd32.exe	95
PID 64 wrote to memory of 2984	64	AcroRd32.exe	95
PID 64 wrote to memory of 2984	64	AcroRd32.exe	95
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 4248	2984	RdrCEF.exe	97
PID 2984 wrote to memory of 3180	2984	RdrCEF.exe	98
PID 2984 wrote to memory of 3180	2984	RdrCEF.exe	98
PID 2984 wrote to memory of 3180	2984	RdrCEF.exe	98
PID 2984 wrote to memory of 3180	2984	RdrCEF.exe	98
PID 2984 wrote to memory of 3180	2984	RdrCEF.exe	98
PID 2984 wrote to memory of 3180	2984	RdrCEF.exe	98
PID 2984 wrote to memory of 3180	2984	RdrCEF.exe	98
PID 2984 wrote to memory of 3180	2984	RdrCEF.exe	98
PID 2984 wrote to memory of 3180	2984	RdrCEF.exe	98
PID 2984 wrote to memory of 3180	2984	RdrCEF.exe	98
PID 2984 wrote to memory of 3180	2984	RdrCEF.exe	98
PID 2984 wrote to memory of 3180	2984	RdrCEF.exe	98
PID 2984 wrote to memory of 3180	2984	RdrCEF.exe	98
PID 2984 wrote to memory of 3180	2984	RdrCEF.exe	98
PID 2984 wrote to memory of 3180	2984	RdrCEF.exe	98
PID 2984 wrote to memory of 3180	2984	RdrCEF.exe	98
PID 2984 wrote to memory of 3180	2984	RdrCEF.exe	98
PID 2984 wrote to memory of 3180	2984	RdrCEF.exe	98
PID 2984 wrote to memory of 3180	2984	RdrCEF.exe	98
PID 2984 wrote to memory of 3180	2984	RdrCEF.exe	98

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\1e18a4d28981ee3ba0e178df819446a0.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:64
- 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:2984
- - 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=F2A18DEC30B3B266DA08C9341FB0C521 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4248
- - 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=0C7852863D034DC1734981CE84247054 --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=0C7852863D034DC1734981CE84247054 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3180
- - 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=44D1206480B22F3F56F04A56717C7945 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:404
- - 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=B15CC23C590378F20DD01962EC853F27 --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=B15CC23C590378F20DD01962EC853F27 --renderer-client-id=5 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5056
- - 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=881388033CE1A88786409F8FA05800A4 --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1284
- - 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=35DA447BC0650BE639927B1C6BE46752 --mojo-platform-channel-handle=2852 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2792

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4236

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
f5103d97a5c4e8dd3ea6c4afa6f3eda7

SHA1
ef50645c989fec7a256988e194e0ff77c6739944

SHA256
a499278f99384797f0a54db3d1ba6d61d7d27e55c398ffb7099ca3fcad2ecfcd

SHA512
a4d00e241a927d5d7bb2c0de8c48e2119049c32635c3943d81df2ffbc9c10527b9b732ea91e583181a281cca2e36027ffab2cad69b7978990ef62e8120c834e6

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