782f46d6f0f0c6ec5881a3f48cb61f48896ef043ebf24c0aa6b4dbac0c7f02b2

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
12/01/2024, 02:42

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General

Target

55442b8157a8a5bdaf06d3e237f13e3a.pdf
Size

48KB
MD5

55442b8157a8a5bdaf06d3e237f13e3a
SHA1

d0ebfc1b9a309d55b79b0b2d9ba0630b8a99f297
SHA256

782f46d6f0f0c6ec5881a3f48cb61f48896ef043ebf24c0aa6b4dbac0c7f02b2
SHA512

2d749863963b0015695c3845f9fecb02962b3ac1eee2824343c7df45c5c6245ec4aa0bfa9c0f2c1283926a4aab4f21723360aa6df9c75695dc9bb6fc4642121b
SSDEEP

768:10B/J5JK5qwxD8ZO/AvGiewhhDH2oT6fi8de4WjZSPEwmhGJ0pRmbjtVPPq/XMQn:yBnATQ9RUMthG+pRE3PiMtFbrp4

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
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3512	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe
3512	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3512 wrote to memory of 1600	3512	AcroRd32.exe	93
PID 3512 wrote to memory of 1600	3512	AcroRd32.exe	93
PID 3512 wrote to memory of 1600	3512	AcroRd32.exe	93
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 2356	1600	RdrCEF.exe	94
PID 1600 wrote to memory of 400	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 400	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 400	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 400	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 400	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 400	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 400	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 400	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 400	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 400	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 400	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 400	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 400	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 400	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 400	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 400	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 400	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 400	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 400	1600	RdrCEF.exe	95
PID 1600 wrote to memory of 400	1600	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\55442b8157a8a5bdaf06d3e237f13e3a.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:3512
- 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:1600
- - 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=90FCB07D703A9FC198C4C885A2964066 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2356
- - 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=BE15A078D4954ADBF237943A8725C4C0 --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=BE15A078D4954ADBF237943A8725C4C0 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:400
- - 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=7197E2F89026AB34802730351ED5F6C0 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2180
- - 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=98CF8A77071811CE320F7AB84786CA40 --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=98CF8A77071811CE320F7AB84786CA40 --renderer-client-id=5 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:436
- - 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=541416ECEB1771B086C568640479B922 --mojo-platform-channel-handle=2716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4916
- - 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=CC472F18E4ABA2E65A8E678583FA0354 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4336

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1464

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/3512-25-0x0000000009E40000-0x0000000009E90000-memory.dmp

Filesize
320KB

Download