9bc8021270b956f863d840ecc235f8805c484a68a2aedaec66852c28f14c915f

Analysis

max time kernel
143s
max time network
152s
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, 11:50

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General

Target

c5ce39d59ad6db055b06d687638713b2.pdf
Size

35KB
MD5

c5ce39d59ad6db055b06d687638713b2
SHA1

7440ae1f2d21a8298ede8f81205ce3778fbf8380
SHA256

9bc8021270b956f863d840ecc235f8805c484a68a2aedaec66852c28f14c915f
SHA512

ebf4070f639f238ce49119b36393e0628202d4c27e3a1e2efee27d54cd005f2b68f01b2e228c488d306c512bc80dc8efb6e90c75051f447f3990c2b51b27218c
SSDEEP

768:M2TY8wTYESYsdIYts5iXoh/sQJD5VJ8RM+beyTdcnJ/68dp9:tY8wTdS/XsVJw0Ud/8dL

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
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1176	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe
1176	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1176 wrote to memory of 3632	1176	AcroRd32.exe	104
PID 1176 wrote to memory of 3632	1176	AcroRd32.exe	104
PID 1176 wrote to memory of 3632	1176	AcroRd32.exe	104
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 4904	3632	RdrCEF.exe	105
PID 3632 wrote to memory of 3196	3632	RdrCEF.exe	107
PID 3632 wrote to memory of 3196	3632	RdrCEF.exe	107
PID 3632 wrote to memory of 3196	3632	RdrCEF.exe	107
PID 3632 wrote to memory of 3196	3632	RdrCEF.exe	107
PID 3632 wrote to memory of 3196	3632	RdrCEF.exe	107
PID 3632 wrote to memory of 3196	3632	RdrCEF.exe	107
PID 3632 wrote to memory of 3196	3632	RdrCEF.exe	107
PID 3632 wrote to memory of 3196	3632	RdrCEF.exe	107
PID 3632 wrote to memory of 3196	3632	RdrCEF.exe	107
PID 3632 wrote to memory of 3196	3632	RdrCEF.exe	107
PID 3632 wrote to memory of 3196	3632	RdrCEF.exe	107
PID 3632 wrote to memory of 3196	3632	RdrCEF.exe	107
PID 3632 wrote to memory of 3196	3632	RdrCEF.exe	107
PID 3632 wrote to memory of 3196	3632	RdrCEF.exe	107
PID 3632 wrote to memory of 3196	3632	RdrCEF.exe	107
PID 3632 wrote to memory of 3196	3632	RdrCEF.exe	107
PID 3632 wrote to memory of 3196	3632	RdrCEF.exe	107
PID 3632 wrote to memory of 3196	3632	RdrCEF.exe	107
PID 3632 wrote to memory of 3196	3632	RdrCEF.exe	107
PID 3632 wrote to memory of 3196	3632	RdrCEF.exe	107

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\c5ce39d59ad6db055b06d687638713b2.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:1176
- 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:3632
- - 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=2A83BD0F34252FFC05F5F1CAC83011EA --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4904
- - 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=38C2655B211EE0F0005539629317C4A7 --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=38C2655B211EE0F0005539629317C4A7 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3196
- - 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=EEBEE18D8BF8ECC5B69148DA0CB5D944 --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=EEBEE18D8BF8ECC5B69148DA0CB5D944 --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1752
- - 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=6D7298994DAF7316A726BA6131EB8BCC --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3044
- - 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=5F70D0DBF5815176AA16C99C07D3D2E7 --mojo-platform-channel-handle=2600 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3684
- - 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=B55721992C7D91BB7D4A5888BDE9CB1B --mojo-platform-channel-handle=2596 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1748
- 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:3684

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2976

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=3968 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
1⤵
PID:4244

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
8fab5b98e7db043817a90113059cff83

SHA1
1c2acb100cc625d48f98ca30a06ebbfcad126560

SHA256
31ee84c3c42f59709e6804b3f701aecbd1ff2eeb92d1962e08434d02143feada

SHA512
9ca19e9a2476a131d6cb217d564ff652dd26d41d21e93fe0a7a9d7696f553a48c2e7182a27dcefd4782eb930d32f7809d949f616e0f9b23dbf588356db2d8892

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