66e943e5afcd05fd6dc330efa4e42409d91cecf37c9e8256389047e3bd885120

Analysis

max time kernel
146s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
25/02/2024, 11:19

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

a3a5f17b841ccca899948a4a144887c0.pdf
Size

35KB
MD5

a3a5f17b841ccca899948a4a144887c0
SHA1

6aef06347ad7fa4fd7287464b9dc060b29af0f56
SHA256

66e943e5afcd05fd6dc330efa4e42409d91cecf37c9e8256389047e3bd885120
SHA512

6949c091f087325b8880731f4d21b6bc1d3d15d23b6d877b964034b07fa1378d48f298c2942c575b732f03cffe58e73e1f5ac6a8eefd82591a679923a300590c
SSDEEP

768:MaiaI3Ve0GrsswzdJa7PoHGYWjP5nKz0ztLLJA6TFFc1lllYob2I7t:M6I3VenCCQHCVnaeFffcpiI5

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-1-5-21-2828415587-3732861812-1919322417-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3520	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3520 wrote to memory of 3976	3520	AcroRd32.exe	90
PID 3520 wrote to memory of 3976	3520	AcroRd32.exe	90
PID 3520 wrote to memory of 3976	3520	AcroRd32.exe	90
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 3236	3976	RdrCEF.exe	91
PID 3976 wrote to memory of 488	3976	RdrCEF.exe	92
PID 3976 wrote to memory of 488	3976	RdrCEF.exe	92
PID 3976 wrote to memory of 488	3976	RdrCEF.exe	92
PID 3976 wrote to memory of 488	3976	RdrCEF.exe	92
PID 3976 wrote to memory of 488	3976	RdrCEF.exe	92
PID 3976 wrote to memory of 488	3976	RdrCEF.exe	92
PID 3976 wrote to memory of 488	3976	RdrCEF.exe	92
PID 3976 wrote to memory of 488	3976	RdrCEF.exe	92
PID 3976 wrote to memory of 488	3976	RdrCEF.exe	92
PID 3976 wrote to memory of 488	3976	RdrCEF.exe	92
PID 3976 wrote to memory of 488	3976	RdrCEF.exe	92
PID 3976 wrote to memory of 488	3976	RdrCEF.exe	92
PID 3976 wrote to memory of 488	3976	RdrCEF.exe	92
PID 3976 wrote to memory of 488	3976	RdrCEF.exe	92
PID 3976 wrote to memory of 488	3976	RdrCEF.exe	92
PID 3976 wrote to memory of 488	3976	RdrCEF.exe	92
PID 3976 wrote to memory of 488	3976	RdrCEF.exe	92
PID 3976 wrote to memory of 488	3976	RdrCEF.exe	92
PID 3976 wrote to memory of 488	3976	RdrCEF.exe	92
PID 3976 wrote to memory of 488	3976	RdrCEF.exe	92

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\a3a5f17b841ccca899948a4a144887c0.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:3520
- 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:3976
- - 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=F7C7B9530E278E3CF053FA214A57EDCA --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3236
- - 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=4CA74685800D0909253DA51741BC5BC3 --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=4CA74685800D0909253DA51741BC5BC3 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:488
- - 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=27744532491615E50B8BF0F74330FBDE --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=27744532491615E50B8BF0F74330FBDE --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3884
- - 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=DAEADB2A0F431178574E266BCF3B37B9 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1060
- - 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=783E789021E23C23A5A28943B302F51F --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4880
- - 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=BF22566C8E7AC2BC0CE76947B910615D --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2432

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1228

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
7e531cebb3da136880608c9c87e638b4

SHA1
c0e4c4508f173b64ebc8f45a463e41e81d8d74fc

SHA256
7969bd3b6a71f4ac9d00871dd7dd84eb909bd81690e31b9ce844b8903b3afbdb

SHA512
0785af3937fa4cfbfbaa5fc8f64e4c4cbd600011ff562b2c68d819ab93d95c2a9b2d9b88d86efcfcf986b38b4502441633009233be5d522a60db76b877bd261b

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