eee458adc072a920fcb0e8ee414e348a44057c83899f9de2cea0d7163005dd5b

Analysis

max time kernel
155s
max time network
163s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15/03/2024, 03:17

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General

Target

ca58961b23a4056b3da88aa95ebcf133.pdf
Size

88KB
MD5

ca58961b23a4056b3da88aa95ebcf133
SHA1

b08294dac6b4611d6f97fbed6a793e40bf30777b
SHA256

eee458adc072a920fcb0e8ee414e348a44057c83899f9de2cea0d7163005dd5b
SHA512

3b3cdee71872af3be6fccb16c6b554d2649000e2c349c59e272d62687684ad5ef44e2b5ece11a697e7edc447433bc4001b9459d55ea6e5817ee409cff6ea8312
SSDEEP

1536:eU6b0RieBE25z2nGgM0CpoSqQFxQtrpkyGtD7mWNZwxxhMxbLt/7ywWUpO7HtmOu:9Zi6D5z2GykpnErpky87xwjhobR/7yzy

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4632	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe
4632	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4632 wrote to memory of 4272	4632	AcroRd32.exe	98
PID 4632 wrote to memory of 4272	4632	AcroRd32.exe	98
PID 4632 wrote to memory of 4272	4632	AcroRd32.exe	98
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 992	4272	RdrCEF.exe	100
PID 4272 wrote to memory of 4752	4272	RdrCEF.exe	101
PID 4272 wrote to memory of 4752	4272	RdrCEF.exe	101
PID 4272 wrote to memory of 4752	4272	RdrCEF.exe	101
PID 4272 wrote to memory of 4752	4272	RdrCEF.exe	101
PID 4272 wrote to memory of 4752	4272	RdrCEF.exe	101
PID 4272 wrote to memory of 4752	4272	RdrCEF.exe	101
PID 4272 wrote to memory of 4752	4272	RdrCEF.exe	101
PID 4272 wrote to memory of 4752	4272	RdrCEF.exe	101
PID 4272 wrote to memory of 4752	4272	RdrCEF.exe	101
PID 4272 wrote to memory of 4752	4272	RdrCEF.exe	101
PID 4272 wrote to memory of 4752	4272	RdrCEF.exe	101
PID 4272 wrote to memory of 4752	4272	RdrCEF.exe	101
PID 4272 wrote to memory of 4752	4272	RdrCEF.exe	101
PID 4272 wrote to memory of 4752	4272	RdrCEF.exe	101
PID 4272 wrote to memory of 4752	4272	RdrCEF.exe	101
PID 4272 wrote to memory of 4752	4272	RdrCEF.exe	101
PID 4272 wrote to memory of 4752	4272	RdrCEF.exe	101
PID 4272 wrote to memory of 4752	4272	RdrCEF.exe	101
PID 4272 wrote to memory of 4752	4272	RdrCEF.exe	101
PID 4272 wrote to memory of 4752	4272	RdrCEF.exe	101

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\ca58961b23a4056b3da88aa95ebcf133.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:4632
- 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:4272
- - 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=42DD2A39A3FA5F760B129F0BF7648077 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:992
- - 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=6A44DE73E7C4B4E9145315212DF484CB --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=6A44DE73E7C4B4E9145315212DF484CB --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4752
- - 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=FE7EBB4D3218C2F3308F83FDA05EE6C8 --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=FE7EBB4D3218C2F3308F83FDA05EE6C8 --renderer-client-id=4 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4032
- - 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=8C016E101DEDDAB7C299A43E3C522416 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3944
- - 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=6F01EF4291A91BC042A790C24C247E4E --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2084
- - 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=4FF98F113388C64B85EFBB1AFCBBB00B --mojo-platform-channel-handle=1980 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5088

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3408

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 --mojo-platform-channel-handle=1424 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
1⤵
PID:4992

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
c03bb1b6eea9b00ec3fab5f7b5c6cadf

SHA1
e0e53026da101c4db593777b2ebc9f2e6fd91e3a

SHA256
4537948c9a002718ffcc6e61e7d7000cebd2c7991c7355c35cb9cbf75bab89f3

SHA512
a6e90846b6730b72402d62481e941e66892ee6c4efe2560a8d17f208d18ae1586763acff3d0a4c9cdcc0e95923d482134a58660ae54d867af5f8abc92f99844b

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