19a1d263a3fd0fcdd9704b79e07f40a47906325150b1c475b851b9687b1d3e19

Analysis

max time kernel
4s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2023 04:16

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General

Target

27ca128190912427dc2c389e4777ffb9.pdf
Size

86KB
MD5

27ca128190912427dc2c389e4777ffb9
SHA1

c60e51ee2cf4a528c3880c6f44fa4b12bfc98c8a
SHA256

19a1d263a3fd0fcdd9704b79e07f40a47906325150b1c475b851b9687b1d3e19
SHA512

844928c4ee6716d2f590ae599c2eab7e1e7cdb3e47bc66c65ecceb51a55bf6e217828b4fc253dc685db7b87f5b594e66371cb2f198d33b7fe4a3cd590bc1405e
SSDEEP

1536:fXp+2OfktIlxUSEuWGgCYcSQjhJ3AYSC4zYZHIb73WkNpOPaWyZBx/tfv7bcVVIM:Pp+2zW3UjIgCYcSQ1J3AyZobcP2lfcVp

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1592	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe
1592	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1592 wrote to memory of 4600	1592	AcroRd32.exe	92
PID 1592 wrote to memory of 4600	1592	AcroRd32.exe	92
PID 1592 wrote to memory of 4600	1592	AcroRd32.exe	92
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 224	4600	RdrCEF.exe	94
PID 4600 wrote to memory of 2876	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 2876	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 2876	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 2876	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 2876	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 2876	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 2876	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 2876	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 2876	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 2876	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 2876	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 2876	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 2876	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 2876	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 2876	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 2876	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 2876	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 2876	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 2876	4600	RdrCEF.exe	93
PID 4600 wrote to memory of 2876	4600	RdrCEF.exe	93

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\27ca128190912427dc2c389e4777ffb9.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1592
- 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:4600
- - 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=9E14042B6C9452F4FDB387FED779196F --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=9E14042B6C9452F4FDB387FED779196F --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2876
- - 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=D30FCCCE25873D20F714ED924E35483F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:224
- - 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=47CE86A6581FE5FDE351EC5FFCB0EE15 --mojo-platform-channel-handle=2188 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1512
- - 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=8387D14B6AA569489B63B8D3A7602BA7 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2096
- - 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=BBAF85F516A8A41F82FDCE23E2997B62 --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=BBAF85F516A8A41F82FDCE23E2997B62 --renderer-client-id=6 --mojo-platform-channel-handle=2256 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1968
- - 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=090085FA615029EAE23375998841493C --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3988

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4956

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

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Downloads

memory/1592-28-0x000000000BF60000-0x000000000BF81000-memory.dmp

Filesize
132KB

Download