ed66fd0035a6094bd0f86cd1adde2bb8fd6193a6e8f93c8ea4549ff360f02606

Analysis

max time kernel
141s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/01/2024, 18:32

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General

Target

5b8d4f0da047f9c8b50fc8a8c2eb5ae2.pdf
Size

34KB
MD5

5b8d4f0da047f9c8b50fc8a8c2eb5ae2
SHA1

a9b2cc5ff1af4683897279ad3d1364852022d62e
SHA256

ed66fd0035a6094bd0f86cd1adde2bb8fd6193a6e8f93c8ea4549ff360f02606
SHA512

bbc535ee6c6ec6b0ed2e37abb675ca9f5d04390362a01ae7c2feee0d20da2c85ac178f2e3e5d73de2dc9ada86e93c3febb1a11255d492e375b7b503b8012941f
SSDEEP

768:IR+1HUjkMvsc1D54SRJt4IUcpjvPJV7GQjIEGio1z:IICkMl1D54PIFp7mdN1z

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4824	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe
4824	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4824 wrote to memory of 2408	4824	AcroRd32.exe	89
PID 4824 wrote to memory of 2408	4824	AcroRd32.exe	89
PID 4824 wrote to memory of 2408	4824	AcroRd32.exe	89
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 3604	2408	RdrCEF.exe	90
PID 2408 wrote to memory of 5068	2408	RdrCEF.exe	91
PID 2408 wrote to memory of 5068	2408	RdrCEF.exe	91
PID 2408 wrote to memory of 5068	2408	RdrCEF.exe	91
PID 2408 wrote to memory of 5068	2408	RdrCEF.exe	91
PID 2408 wrote to memory of 5068	2408	RdrCEF.exe	91
PID 2408 wrote to memory of 5068	2408	RdrCEF.exe	91
PID 2408 wrote to memory of 5068	2408	RdrCEF.exe	91
PID 2408 wrote to memory of 5068	2408	RdrCEF.exe	91
PID 2408 wrote to memory of 5068	2408	RdrCEF.exe	91
PID 2408 wrote to memory of 5068	2408	RdrCEF.exe	91
PID 2408 wrote to memory of 5068	2408	RdrCEF.exe	91
PID 2408 wrote to memory of 5068	2408	RdrCEF.exe	91
PID 2408 wrote to memory of 5068	2408	RdrCEF.exe	91
PID 2408 wrote to memory of 5068	2408	RdrCEF.exe	91
PID 2408 wrote to memory of 5068	2408	RdrCEF.exe	91
PID 2408 wrote to memory of 5068	2408	RdrCEF.exe	91
PID 2408 wrote to memory of 5068	2408	RdrCEF.exe	91
PID 2408 wrote to memory of 5068	2408	RdrCEF.exe	91
PID 2408 wrote to memory of 5068	2408	RdrCEF.exe	91
PID 2408 wrote to memory of 5068	2408	RdrCEF.exe	91

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\5b8d4f0da047f9c8b50fc8a8c2eb5ae2.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:4824
- 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:2408
- - 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=70B0EA24316103BB310D2C46C0A7454E --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3604
- - 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=0ABA365302A3C8970261886325CE2AD4 --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=0ABA365302A3C8970261886325CE2AD4 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5068
- - 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=2BE9C22B32B102FE13F04A927C72AEDC --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2528
- - 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=1F8B8CC60C90290CD12338FB3D9549B6 --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=1F8B8CC60C90290CD12338FB3D9549B6 --renderer-client-id=6 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4240
- - 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=091B01B7BD310ACF9B36BB1C968A7F71 --mojo-platform-channel-handle=1812 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:556
- - 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=2C73C5672F17B9C26535648BE07A2B8D --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4924

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3464

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
57KB

MD5
48517e8efd4473bbdea172feed52c79f

SHA1
8610b8377c33e529a6a6e6c1281c74a375a77836

SHA256
46b0d89b0d2cdc3e2dbb489e7a59858c10b712a38cfa16120d1e38aa9ceef29c

SHA512
0252c78634ec12eb782fcf9aa1d8c7efd35af50500aca426145dcf88b3dcd807548bc2b4a1aa9a3a7aa97ab731eb5aec1fc6641315952978f176fc1652fd092c

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit