f08a57349bf8398b3cd997b3773850dad95f4a84860cfdb314145c084d49b198

Analysis

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

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2024, 18:02

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General

Target

4c1afd4e5571e422079239913ebcd57c.pdf
Size

56KB
MD5

4c1afd4e5571e422079239913ebcd57c
SHA1

8036c99edddffd9c40b48e920640c59785a0e724
SHA256

f08a57349bf8398b3cd997b3773850dad95f4a84860cfdb314145c084d49b198
SHA512

1bd0154dac39c0b7706559a5a7bcb9abf8fecfc00277926b3eaaf6cb9d21044598028ff790d41e674251ad596e5d93a9fade766ec41fb4987257c341552a2e1f
SSDEEP

1536:WVL6uNmJigi3lYUH00BFSwVU2Ooq+JmrJATOM:uWuNOEbH0ucoq+wG

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
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe
3632	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3632 wrote to memory of 3688	3632	AcroRd32.exe	91
PID 3632 wrote to memory of 3688	3632	AcroRd32.exe	91
PID 3632 wrote to memory of 3688	3632	AcroRd32.exe	91
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 2092	3688	RdrCEF.exe	93
PID 3688 wrote to memory of 452	3688	RdrCEF.exe	92
PID 3688 wrote to memory of 452	3688	RdrCEF.exe	92
PID 3688 wrote to memory of 452	3688	RdrCEF.exe	92
PID 3688 wrote to memory of 452	3688	RdrCEF.exe	92
PID 3688 wrote to memory of 452	3688	RdrCEF.exe	92
PID 3688 wrote to memory of 452	3688	RdrCEF.exe	92
PID 3688 wrote to memory of 452	3688	RdrCEF.exe	92
PID 3688 wrote to memory of 452	3688	RdrCEF.exe	92
PID 3688 wrote to memory of 452	3688	RdrCEF.exe	92
PID 3688 wrote to memory of 452	3688	RdrCEF.exe	92
PID 3688 wrote to memory of 452	3688	RdrCEF.exe	92
PID 3688 wrote to memory of 452	3688	RdrCEF.exe	92
PID 3688 wrote to memory of 452	3688	RdrCEF.exe	92
PID 3688 wrote to memory of 452	3688	RdrCEF.exe	92
PID 3688 wrote to memory of 452	3688	RdrCEF.exe	92
PID 3688 wrote to memory of 452	3688	RdrCEF.exe	92
PID 3688 wrote to memory of 452	3688	RdrCEF.exe	92
PID 3688 wrote to memory of 452	3688	RdrCEF.exe	92
PID 3688 wrote to memory of 452	3688	RdrCEF.exe	92
PID 3688 wrote to memory of 452	3688	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\4c1afd4e5571e422079239913ebcd57c.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3632
- 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:3688
- - 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=A17D3EE412BC0FA6F7994C0636BF1E15 --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=A17D3EE412BC0FA6F7994C0636BF1E15 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:452
- - 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=DC1CA86ABF80C0234A6B0CEF55725272 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2092
- - 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=92F8DD94A0CDDB9EE30D3EA6DA9E4DE5 --mojo-platform-channel-handle=2268 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1848
- - 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=E0E723676C2649444A689E077E25A1C2 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4496
- - 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=D0AE4A93342A0EA8567BDE58CE469DB3 --mojo-platform-channel-handle=2396 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4216

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1816

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

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

Filesize
64KB

MD5
4f601adcf77d5db4c97930b0eeee8719

SHA1
cc51730794e81c5591d4de0d37cb7f40c8a22526

SHA256
d1969775fa7d127ed85c30b0edd714a4520553466aa19442839da35e93f70ffe

SHA512
8bb401254e63430900bdc47a3c9ee0cbb8b8be2804792bcb6ac6f3c04ef02b4101ac5b263807593f9c90da1ad6d171ad5a8a753cb7ff91ad78bf0338ed6d927d

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