b9a7782441cf58ef960429d143b6fe8f94516dba6834bc2f3be585fa88c370ed

Analysis

max time kernel
141s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/01/2024, 21:17

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General

Target

72e00c1223dd22f043ea3277b96136a1.pdf
Size

82KB
MD5

72e00c1223dd22f043ea3277b96136a1
SHA1

d272a09041c8ecce0baba152f1a5a841914ccb4c
SHA256

b9a7782441cf58ef960429d143b6fe8f94516dba6834bc2f3be585fa88c370ed
SHA512

6a3314be031e31945a0b0d5ad6b8126b5a1cb6758f80fa8202d78e5c8cf4f78e815663072fa265ce392c414840fd13ec6f1a4276448e172262723382d10895ed
SSDEEP

1536:7PjSxtEnppPA+flDBSEkEfwscMQg2qgqs5q4sjGQThvurqiIWEASWwpOSwZG:LjSxWnpplDG4wscMQ9P5mj3ThvgqiUAC

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
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
444	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe
444	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 444 wrote to memory of 4792	444	AcroRd32.exe	92
PID 444 wrote to memory of 4792	444	AcroRd32.exe	92
PID 444 wrote to memory of 4792	444	AcroRd32.exe	92
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 3528	4792	RdrCEF.exe	94
PID 4792 wrote to memory of 1744	4792	RdrCEF.exe	95
PID 4792 wrote to memory of 1744	4792	RdrCEF.exe	95
PID 4792 wrote to memory of 1744	4792	RdrCEF.exe	95
PID 4792 wrote to memory of 1744	4792	RdrCEF.exe	95
PID 4792 wrote to memory of 1744	4792	RdrCEF.exe	95
PID 4792 wrote to memory of 1744	4792	RdrCEF.exe	95
PID 4792 wrote to memory of 1744	4792	RdrCEF.exe	95
PID 4792 wrote to memory of 1744	4792	RdrCEF.exe	95
PID 4792 wrote to memory of 1744	4792	RdrCEF.exe	95
PID 4792 wrote to memory of 1744	4792	RdrCEF.exe	95
PID 4792 wrote to memory of 1744	4792	RdrCEF.exe	95
PID 4792 wrote to memory of 1744	4792	RdrCEF.exe	95
PID 4792 wrote to memory of 1744	4792	RdrCEF.exe	95
PID 4792 wrote to memory of 1744	4792	RdrCEF.exe	95
PID 4792 wrote to memory of 1744	4792	RdrCEF.exe	95
PID 4792 wrote to memory of 1744	4792	RdrCEF.exe	95
PID 4792 wrote to memory of 1744	4792	RdrCEF.exe	95
PID 4792 wrote to memory of 1744	4792	RdrCEF.exe	95
PID 4792 wrote to memory of 1744	4792	RdrCEF.exe	95
PID 4792 wrote to memory of 1744	4792	RdrCEF.exe	95

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\72e00c1223dd22f043ea3277b96136a1.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:444
- 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:4792
- - 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=A923D2A3F34644A887159A344FE62ADE --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3528
- - 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=1C811A8400176B2DE1D164B6F727BC42 --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=1C811A8400176B2DE1D164B6F727BC42 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1744
- - 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=69E19CEAC059DACF85DA6183189D60EE --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4940
- - 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=A4250E810419EEFAA71C3E0DD3319ED9 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1140
- - 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=D50A8BFE1928B94762A713C37C7DB147 --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=D50A8BFE1928B94762A713C37C7DB147 --renderer-client-id=6 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3584
- - 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=BCAC68A9AB9B59D9201C33F88F1A822F --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1312

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
b4c5ecb4b7516426568068b044e3f351

SHA1
528e196a09c60df74c126899e35e6b8d1e788a29

SHA256
c2c7190ad59f91fe6e10e52745fcab20df9b5f0ee855aa3f69b7f82b3e6e3117

SHA512
eedef72babe240639e58edea5c4933850eff6ddc2ea6f0c6234a3cb46558fb6953950ea251e7dcf2d402558a96907edd5bc7a192657a30b422c81d226d268823

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