d4d3e39ffcc497d9eb766646c8d11d97cb4391d9b58d11d9ff5ec39f8a4bb46b

Analysis

max time kernel
141s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 13:19

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General

Target

9f200a839e8ddc584ab3398c3927d9f9.pdf
Size

43KB
MD5

9f200a839e8ddc584ab3398c3927d9f9
SHA1

469ffdeb0d090a94728b490792bced0e2a926a1d
SHA256

d4d3e39ffcc497d9eb766646c8d11d97cb4391d9b58d11d9ff5ec39f8a4bb46b
SHA512

c9551a7144e87e8ca29115503eb254054c729b647e0db6fc49292fe90170b770ef93e4fa84b7c8700860f2af0450cb9e754aa8b0f202497e45900ddd7a20a6ac
SSDEEP

768:uxXDKaGcL0tDt4G1mLf14geIns2aoJ27Ah9yaknpMD0+1GksyhHtgNbX:uT0hFmCgJs2aX7naknpMgYGksgtObX

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
636	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe
636	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 636 wrote to memory of 216	636	AcroRd32.exe	88
PID 636 wrote to memory of 216	636	AcroRd32.exe	88
PID 636 wrote to memory of 216	636	AcroRd32.exe	88
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 388	216	RdrCEF.exe	90
PID 216 wrote to memory of 2524	216	RdrCEF.exe	91
PID 216 wrote to memory of 2524	216	RdrCEF.exe	91
PID 216 wrote to memory of 2524	216	RdrCEF.exe	91
PID 216 wrote to memory of 2524	216	RdrCEF.exe	91
PID 216 wrote to memory of 2524	216	RdrCEF.exe	91
PID 216 wrote to memory of 2524	216	RdrCEF.exe	91
PID 216 wrote to memory of 2524	216	RdrCEF.exe	91
PID 216 wrote to memory of 2524	216	RdrCEF.exe	91
PID 216 wrote to memory of 2524	216	RdrCEF.exe	91
PID 216 wrote to memory of 2524	216	RdrCEF.exe	91
PID 216 wrote to memory of 2524	216	RdrCEF.exe	91
PID 216 wrote to memory of 2524	216	RdrCEF.exe	91
PID 216 wrote to memory of 2524	216	RdrCEF.exe	91
PID 216 wrote to memory of 2524	216	RdrCEF.exe	91
PID 216 wrote to memory of 2524	216	RdrCEF.exe	91
PID 216 wrote to memory of 2524	216	RdrCEF.exe	91
PID 216 wrote to memory of 2524	216	RdrCEF.exe	91
PID 216 wrote to memory of 2524	216	RdrCEF.exe	91
PID 216 wrote to memory of 2524	216	RdrCEF.exe	91
PID 216 wrote to memory of 2524	216	RdrCEF.exe	91

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\9f200a839e8ddc584ab3398c3927d9f9.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:636
- 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:216
- - 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=FAC3BBDBE0E269A073D2E647FBF0556D --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:388
- - 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=8FB9AC1D9AE40CCEFCAB1A4E969BA607 --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=8FB9AC1D9AE40CCEFCAB1A4E969BA607 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2524
- - 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=63E198F1927BE96C4F44EA237E71D1AE --mojo-platform-channel-handle=2144 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:432
- - 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=D6927A6E0BD8D9925513649F87C49A3C --mojo-platform-channel-handle=1876 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4888
- - 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=19071BD5D589EA713DBC610CA6E08248 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4492
- - 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=10D162B6A06D3B472549C056A0B83684 --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=10D162B6A06D3B472549C056A0B83684 --renderer-client-id=7 --mojo-platform-channel-handle=2492 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5116

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3520

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
64KB

MD5
fcc215c10b4c240ee7176b6b5adf8f10

SHA1
7f698c99a4e7eb960bef57c3038aeb214728ebf5

SHA256
ea0aa0f086bbda5ed1c309a251e281c7e39f06a6f8dcee1ad3ccdd4c390f19d2

SHA512
5cdb7714d8b9db3ecb5050d82265609be76836f0aaabfd438e69363be6af7e7bd0372285fd6dad0a81974c1469ba2e325d113c0a9971920abfcfb8846bc798fb

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