32a6abae5f223ccad1083095487cf7c3d61b35c800db12f187d48d948554dd86

Analysis

max time kernel
16s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
09-01-2024 02:03

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General

Target

4d0dddcd808f81c70983f9b31980653d.pdf
Size

24KB
MD5

4d0dddcd808f81c70983f9b31980653d
SHA1

36aee39b4deb4f4a557163377073b39be7123bf7
SHA256

32a6abae5f223ccad1083095487cf7c3d61b35c800db12f187d48d948554dd86
SHA512

7b1c997d15b8a76b3055aabe3bbdbeda78ef671f766eb17c18594d7d0259b2565872f7d0e03f2e7fdcbb07ac24b872e4d8fce6e0ce415356d102d68ab85b6c87
SSDEEP

192:WysNxdd4OU7FJx9cW6VOpXu6ieQluIYs0/LkQoy9uIYs0/LkQyk4byCB+4yr5uAi:WysNu3vFkv/RKbZW5bwBGUq4Mz4E+

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1704	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe
1704	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 4896	1704	AcroRd32.exe	99
PID 1704 wrote to memory of 4896	1704	AcroRd32.exe	99
PID 1704 wrote to memory of 4896	1704	AcroRd32.exe	99
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 2644	4896	RdrCEF.exe	101
PID 4896 wrote to memory of 5000	4896	RdrCEF.exe	100
PID 4896 wrote to memory of 5000	4896	RdrCEF.exe	100
PID 4896 wrote to memory of 5000	4896	RdrCEF.exe	100
PID 4896 wrote to memory of 5000	4896	RdrCEF.exe	100
PID 4896 wrote to memory of 5000	4896	RdrCEF.exe	100
PID 4896 wrote to memory of 5000	4896	RdrCEF.exe	100
PID 4896 wrote to memory of 5000	4896	RdrCEF.exe	100
PID 4896 wrote to memory of 5000	4896	RdrCEF.exe	100
PID 4896 wrote to memory of 5000	4896	RdrCEF.exe	100
PID 4896 wrote to memory of 5000	4896	RdrCEF.exe	100
PID 4896 wrote to memory of 5000	4896	RdrCEF.exe	100
PID 4896 wrote to memory of 5000	4896	RdrCEF.exe	100
PID 4896 wrote to memory of 5000	4896	RdrCEF.exe	100
PID 4896 wrote to memory of 5000	4896	RdrCEF.exe	100
PID 4896 wrote to memory of 5000	4896	RdrCEF.exe	100
PID 4896 wrote to memory of 5000	4896	RdrCEF.exe	100
PID 4896 wrote to memory of 5000	4896	RdrCEF.exe	100
PID 4896 wrote to memory of 5000	4896	RdrCEF.exe	100
PID 4896 wrote to memory of 5000	4896	RdrCEF.exe	100
PID 4896 wrote to memory of 5000	4896	RdrCEF.exe	100

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\4d0dddcd808f81c70983f9b31980653d.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:1704
- 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:4896
- - 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=22A0033DFF8333733C074A8D7B628DD6 --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=22A0033DFF8333733C074A8D7B628DD6 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5000
- - 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=F6078F14F81BF5F185FE967C003B8DDF --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2644
- - 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=24C51B87E243155054431C5C286E76EB --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1780
- - 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=1DE864D4B803D53B8E4CB435FEA39736 --mojo-platform-channel-handle=2392 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2624
- - 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=0BCE79161F119B2ECDE803B91EAFAB47 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:540
- - 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=D93A56A99C8A2006FA216B44618DF159 --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=D93A56A99C8A2006FA216B44618DF159 --renderer-client-id=8 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2308

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
69a52188dbb193d448d2750ffa060b9c

SHA1
516cd1817b66415d0996b50e1335c66fe6212475

SHA256
ccc2b9c8fa80060da59939f2e74f396b280da2f015b291c69dc790ca47909506

SHA512
e2188a837abe63e3560bfd73d3f0a66790f3791eae8a04048099256642c8d0524805eb779744070377d7fe9b249cfbaa711d9d6cc0c30eba697dc72c87393108

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