d58ed80306ada95a8fdbb185f4a2be30453220d4d3c1ba4436710edbb8905e91

Analysis

max time kernel
154s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2024, 01:10

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General

Target

c495a48f44b911463f415320d4f43b9a.pdf
Size

88KB
MD5

c495a48f44b911463f415320d4f43b9a
SHA1

1a4b61e008ff2924ad75aa6f3338325adb5c7d61
SHA256

d58ed80306ada95a8fdbb185f4a2be30453220d4d3c1ba4436710edbb8905e91
SHA512

9ff0fcc350b7469b32ec7d7f156e77c65bc08f46ebb24f23d2b0777d3ab7184aec22f65fd5388d75b5175348714b51f0888a479fbf0e62881ae0ac2cf30ec915
SSDEEP

1536:8Qe0muCJTEYvhncY0rEqTkqtTGTpQVnit3rQfzmFWpiab685AFDKYa0WOpOwrCBd:dZMtvhWfTkqtTGTirmM68iFDKYaRwrC/

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
1464	AcroRd32.exe
1464	AcroRd32.exe
1464	AcroRd32.exe
1464	AcroRd32.exe
1464	AcroRd32.exe
1464	AcroRd32.exe
1464	AcroRd32.exe
1464	AcroRd32.exe
1464	AcroRd32.exe
1464	AcroRd32.exe
1464	AcroRd32.exe
1464	AcroRd32.exe
1464	AcroRd32.exe
1464	AcroRd32.exe
1464	AcroRd32.exe
1464	AcroRd32.exe
1464	AcroRd32.exe
1464	AcroRd32.exe
1464	AcroRd32.exe
1464	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1464	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1464	AcroRd32.exe
1464	AcroRd32.exe
1464	AcroRd32.exe
1464	AcroRd32.exe
1464	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1464 wrote to memory of 4348	1464	AcroRd32.exe	108
PID 1464 wrote to memory of 4348	1464	AcroRd32.exe	108
PID 1464 wrote to memory of 4348	1464	AcroRd32.exe	108
PID 1464 wrote to memory of 2636	1464	AcroRd32.exe	110
PID 1464 wrote to memory of 2636	1464	AcroRd32.exe	110
PID 1464 wrote to memory of 2636	1464	AcroRd32.exe	110
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 3580	4348	RdrCEF.exe	111
PID 4348 wrote to memory of 4464	4348	RdrCEF.exe	112
PID 4348 wrote to memory of 4464	4348	RdrCEF.exe	112
PID 4348 wrote to memory of 4464	4348	RdrCEF.exe	112
PID 4348 wrote to memory of 4464	4348	RdrCEF.exe	112
PID 4348 wrote to memory of 4464	4348	RdrCEF.exe	112
PID 4348 wrote to memory of 4464	4348	RdrCEF.exe	112
PID 4348 wrote to memory of 4464	4348	RdrCEF.exe	112
PID 4348 wrote to memory of 4464	4348	RdrCEF.exe	112
PID 4348 wrote to memory of 4464	4348	RdrCEF.exe	112
PID 4348 wrote to memory of 4464	4348	RdrCEF.exe	112
PID 4348 wrote to memory of 4464	4348	RdrCEF.exe	112
PID 4348 wrote to memory of 4464	4348	RdrCEF.exe	112
PID 4348 wrote to memory of 4464	4348	RdrCEF.exe	112
PID 4348 wrote to memory of 4464	4348	RdrCEF.exe	112
PID 4348 wrote to memory of 4464	4348	RdrCEF.exe	112

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\c495a48f44b911463f415320d4f43b9a.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:1464
- 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:4348
- - 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=10190C72328280BB2D8C2E506FC46C4F --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=10190C72328280BB2D8C2E506FC46C4F --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3580
- - 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=7944CA3658F9296844300AADCCCD50EE --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4464
- - 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=308AB112D2A963302EE49DAFE8F30375 --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=308AB112D2A963302EE49DAFE8F30375 --renderer-client-id=4 --mojo-platform-channel-handle=2140 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:664
- - 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=27FCCB77FEEF77CC1EE65846E11BDE35 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5196
- - 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=EF076D4625A781CC4DCD1D444CC0D548 --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5288
- - 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=9F65213E2DA232D160DAC8C1EAFF1A93 --mojo-platform-channel-handle=1972 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5380
- 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⤵
  PID:2636

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=4340 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:8
1⤵
PID:5652

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
2677a49bde8450ff67533fd0067363f4

SHA1
9eb339fc9ed02eeaf220fb050afa4ebf25ecfb48

SHA256
478a64f278173aa9089a8034035c22a42412d9e48af8931c89ed9e507f70f93c

SHA512
5100ad61683f302d9e5ea78a7ae2b298275b4e1a6c4092d164d26fb978df237bfa28c40e0aff8e06d4c737575f1d0b3786194e78d17a5b9967b0024e38675e55

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