8b99eb4738d109157c326266a2a4492deffa4b71fe6fbd25908d835364e04286

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
13/02/2024, 04:18

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General

Target

98750c79c55bf2d2c500cbb26677d54e.pdf
Size

85KB
MD5

98750c79c55bf2d2c500cbb26677d54e
SHA1

43db101762ba274769b18f7756d9dc1c1d2bda4b
SHA256

8b99eb4738d109157c326266a2a4492deffa4b71fe6fbd25908d835364e04286
SHA512

d46e4a3f22491c1c428cdb71b66e75aef28da93274dea4dd53153df9083cdc451e6bbe32e9bb0633244133277035d42a607d92090b1e63cf9181409bbdf5fb05
SSDEEP

1536:Vp8j5FlSvyLS8wayKpdFgPgs1If0Ta8uEDWiIPpg7vRWOpOwrPYj9YK2q:wwvymNmdF2gQG0FLAg7vOwrPGWk

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
732	AcroRd32.exe
732	AcroRd32.exe
732	AcroRd32.exe
732	AcroRd32.exe
732	AcroRd32.exe
732	AcroRd32.exe
732	AcroRd32.exe
732	AcroRd32.exe
732	AcroRd32.exe
732	AcroRd32.exe
732	AcroRd32.exe
732	AcroRd32.exe
732	AcroRd32.exe
732	AcroRd32.exe
732	AcroRd32.exe
732	AcroRd32.exe
732	AcroRd32.exe
732	AcroRd32.exe
732	AcroRd32.exe
732	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
732	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
732	AcroRd32.exe
732	AcroRd32.exe
732	AcroRd32.exe
732	AcroRd32.exe
732	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 732 wrote to memory of 2404	732	AcroRd32.exe	84
PID 732 wrote to memory of 2404	732	AcroRd32.exe	84
PID 732 wrote to memory of 2404	732	AcroRd32.exe	84
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 856	2404	RdrCEF.exe	88
PID 2404 wrote to memory of 3256	2404	RdrCEF.exe	87
PID 2404 wrote to memory of 3256	2404	RdrCEF.exe	87
PID 2404 wrote to memory of 3256	2404	RdrCEF.exe	87
PID 2404 wrote to memory of 3256	2404	RdrCEF.exe	87
PID 2404 wrote to memory of 3256	2404	RdrCEF.exe	87
PID 2404 wrote to memory of 3256	2404	RdrCEF.exe	87
PID 2404 wrote to memory of 3256	2404	RdrCEF.exe	87
PID 2404 wrote to memory of 3256	2404	RdrCEF.exe	87
PID 2404 wrote to memory of 3256	2404	RdrCEF.exe	87
PID 2404 wrote to memory of 3256	2404	RdrCEF.exe	87
PID 2404 wrote to memory of 3256	2404	RdrCEF.exe	87
PID 2404 wrote to memory of 3256	2404	RdrCEF.exe	87
PID 2404 wrote to memory of 3256	2404	RdrCEF.exe	87
PID 2404 wrote to memory of 3256	2404	RdrCEF.exe	87
PID 2404 wrote to memory of 3256	2404	RdrCEF.exe	87
PID 2404 wrote to memory of 3256	2404	RdrCEF.exe	87
PID 2404 wrote to memory of 3256	2404	RdrCEF.exe	87
PID 2404 wrote to memory of 3256	2404	RdrCEF.exe	87
PID 2404 wrote to memory of 3256	2404	RdrCEF.exe	87
PID 2404 wrote to memory of 3256	2404	RdrCEF.exe	87

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\98750c79c55bf2d2c500cbb26677d54e.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:732
- 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:2404
- - 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=7918A8358F6832F4F0B144FAE994DA9F --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=7918A8358F6832F4F0B144FAE994DA9F --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3256
- - 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=C47B5CE5CD731E99A5C0495700AE724F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:856
- - 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=4D0AD00A8FB907D3475B1C88359BAB4C --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:516
- - 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=A8B50F1C754B89CB04198200F4C3467F --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=A8B50F1C754B89CB04198200F4C3467F --renderer-client-id=6 --mojo-platform-channel-handle=2392 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2088
- - 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=D6566C7035E5A9EA3C42EE5379CA9B87 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1912
- - 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=5877389AF49E9F4FE5D6923ABFF56A62 --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:224

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2728

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
1KB

MD5
7319b126796069e135d3fd2bbaf5d3eb

SHA1
7ed290ba43dba5a49082025335aec8111aeaa0f2

SHA256
d9b3defaabe76765a363ea9dfc3e3b598f08c9eeff5becabd5bb24d3b91e5062

SHA512
ff0f8dd4473a4d6f1fc5b330f27e5275d8ce71b9f08c646ef6053eaaed8d3264fffa703d9b6ccf29d48cc5a13a1d5070e78d39fcdd0029f9e03bf2fb66bfb437

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

Filesize
39KB

MD5
8320e47a4dfca426084775a622bec859

SHA1
c2d1c28c49690cbdac3be096507b4a091e69b164

SHA256
e19a711a48877df223d2594507bc323bd904f9f7bf73e864d39d717ec6665ade

SHA512
9d3d192a10ad8cd6be7048d8ad20d9f8616953e8ce047eb134b5fde65cefa0f0e2f7107c539d998f9d53784cff8d17cf2125ff6b210ba70a8d3e7ff300ac7fa3

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/732-28-0x000000000BC00000-0x000000000BC21000-memory.dmp

Filesize
132KB

Download