189fa0ab75aaff1ac015bd90c9667c248818d30f622ea53c147cd5d608ebe222

Analysis

max time kernel
147s
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
10/01/2024, 22:49

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General

Target

51d5228e5d431aed857666697da73275.pdf
Size

87KB
MD5

51d5228e5d431aed857666697da73275
SHA1

4c64a294eb8e818e3252bb360f378cde06e4e2c7
SHA256

189fa0ab75aaff1ac015bd90c9667c248818d30f622ea53c147cd5d608ebe222
SHA512

663b00c3be913686a0c0671d0a38fdad48bdfb030433d49cb1ae3006e5bfa49975f5a298cbad2f38a26b219ce6b3ab56f49ca3d14a58e6280d6856f19ffb4596
SSDEEP

1536:/FZUhBa8/XtHruaUQ0BUBIaXuxPAhUcUG/nzZgZ+uWEU/nNwWQpOCNBt:yJtHrRqBZaXuxPAhL7RKunNfCp

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 behavior: EnumeratesProcesses 20 IoCs

pid	Process
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2924	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe
2924	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2924 wrote to memory of 2352	2924	AcroRd32.exe	92
PID 2924 wrote to memory of 2352	2924	AcroRd32.exe	92
PID 2924 wrote to memory of 2352	2924	AcroRd32.exe	92
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 2636	2352	RdrCEF.exe	94
PID 2352 wrote to memory of 864	2352	RdrCEF.exe	93
PID 2352 wrote to memory of 864	2352	RdrCEF.exe	93
PID 2352 wrote to memory of 864	2352	RdrCEF.exe	93
PID 2352 wrote to memory of 864	2352	RdrCEF.exe	93
PID 2352 wrote to memory of 864	2352	RdrCEF.exe	93
PID 2352 wrote to memory of 864	2352	RdrCEF.exe	93
PID 2352 wrote to memory of 864	2352	RdrCEF.exe	93
PID 2352 wrote to memory of 864	2352	RdrCEF.exe	93
PID 2352 wrote to memory of 864	2352	RdrCEF.exe	93
PID 2352 wrote to memory of 864	2352	RdrCEF.exe	93
PID 2352 wrote to memory of 864	2352	RdrCEF.exe	93
PID 2352 wrote to memory of 864	2352	RdrCEF.exe	93
PID 2352 wrote to memory of 864	2352	RdrCEF.exe	93
PID 2352 wrote to memory of 864	2352	RdrCEF.exe	93
PID 2352 wrote to memory of 864	2352	RdrCEF.exe	93
PID 2352 wrote to memory of 864	2352	RdrCEF.exe	93
PID 2352 wrote to memory of 864	2352	RdrCEF.exe	93
PID 2352 wrote to memory of 864	2352	RdrCEF.exe	93
PID 2352 wrote to memory of 864	2352	RdrCEF.exe	93
PID 2352 wrote to memory of 864	2352	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\51d5228e5d431aed857666697da73275.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:2924
- 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:2352
- - 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=79D5AA64E39B75DCF6E831D574966C96 --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=79D5AA64E39B75DCF6E831D574966C96 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:864
- - 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=7AFE458400B84771237A459232B37829 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2636
- - 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=07C43D75231C0B166CF67043818BB1F8 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4936
- - 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=62BA1B9BDB3C292FAE9FE3BFC7245F0C --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=62BA1B9BDB3C292FAE9FE3BFC7245F0C --renderer-client-id=5 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4800
- - 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=084E7D9467F5A94F4E07C073FB54DAB3 --mojo-platform-channel-handle=2468 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4736
- - 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=71530DA1FE1DA28A76DC64E10809F2E5 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4684

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1432

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

Windows 7 deprecation

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