fa7371a58748b748a0f0661b4349db91123b6b5db6841ddf1df55e7da60585ef

Analysis

max time kernel
142s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14-03-2024 11:34

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General

Target

c883cbbbc87b057a8e1c0a1c26307fd4.pdf
Size

93KB
MD5

c883cbbbc87b057a8e1c0a1c26307fd4
SHA1

d060ba9b168b29562baa4790fb3df6407f3e8509
SHA256

fa7371a58748b748a0f0661b4349db91123b6b5db6841ddf1df55e7da60585ef
SHA512

496fa3e571b301db4fa060f2c0cd71f0b0e2d59dda5280716e6bb026f7cece0fdf9f5b62f406799720c3fd4ec63d27fafccf532260512237fd563a7cb9027fe4
SSDEEP

384:B3O+eOyEwnt+IthrXtJrcZiLHQOtvatO7JJAjWYRtzOwy/1PDUttFVYtlnPFKu/A:zH

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
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2020	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe
2020	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 4436	2020	AcroRd32.exe	105
PID 2020 wrote to memory of 4436	2020	AcroRd32.exe	105
PID 2020 wrote to memory of 4436	2020	AcroRd32.exe	105
PID 2020 wrote to memory of 1648	2020	AcroRd32.exe	107
PID 2020 wrote to memory of 1648	2020	AcroRd32.exe	107
PID 2020 wrote to memory of 1648	2020	AcroRd32.exe	107
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 1680	4436	RdrCEF.exe	108
PID 4436 wrote to memory of 4384	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 4384	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 4384	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 4384	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 4384	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 4384	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 4384	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 4384	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 4384	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 4384	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 4384	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 4384	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 4384	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 4384	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 4384	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 4384	4436	RdrCEF.exe	109
PID 4436 wrote to memory of 4384	4436	RdrCEF.exe	109

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\c883cbbbc87b057a8e1c0a1c26307fd4.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:2020
- 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:4436
- - 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=2C48108259D221C75C236E3C49BB00F7 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1680
- - 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=EE94B8A89BA35A364DFDFBF28876A302 --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=EE94B8A89BA35A364DFDFBF28876A302 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4384
- - 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=31960AE8E3F76C5ACC414572BCA6C0B2 --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=31960AE8E3F76C5ACC414572BCA6C0B2 --renderer-client-id=4 --mojo-platform-channel-handle=2128 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3656
- - 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=439CEE96A6DD74A5029BE01734C190C3 --mojo-platform-channel-handle=1824 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:224
- - 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=B107BA1BAA83C0F029C7C55BCBEEBD8E --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5168
- - 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=E98745BD615F60B41D90927DDA106EE7 --mojo-platform-channel-handle=2100 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5276
- 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:1648

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2472

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=3684 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:8
1⤵
PID:5976

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
6a28c5746989c0f9660ee18e92e1ec46

SHA1
e264d82bc039c03a29373fdaccac74bf20988fec

SHA256
7619ca73b0d389646af3f905309489b7c9fb3ca2bf08260713376e3ddb8c29fb

SHA512
b166c015ede3ff3acc490d3014a5998e905034d824cda7e6c979a00fd61aaa64ad114c89577ab3c007306bd680734dd025ce8921c470610600b642560ca4e458

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