5df83e2446104e4a6794ab01b3b1518a65eb79dda027064e139906adad0abbd6

Analysis

max time kernel
143s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 04:05

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General

Target

7656d9b4e1f7f192593e5aea83344415.pdf
Size

83KB
MD5

7656d9b4e1f7f192593e5aea83344415
SHA1

7e808f275e28b1620d1c9ea76d14dabc9ad976ab
SHA256

5df83e2446104e4a6794ab01b3b1518a65eb79dda027064e139906adad0abbd6
SHA512

97ce080121b4223b8e5f2aad7be2e9a1d8f713dd98d82b81022110ae558ce5a977dae54bff38388d9a5280afc7351ce41c7fdc9ceb422d7a8b8fb1f9f22755bc
SSDEEP

1536:dYpgMaoua5jJay1wPHMoi5a4aGhMFdmVAPs23fHvWypOlWWxt1B4ZIbfD:e2MPh5DCPMosdOFdOoTPHYlDt1KZI3

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
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
372	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe
372	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 372 wrote to memory of 1268	372	AcroRd32.exe	92
PID 372 wrote to memory of 1268	372	AcroRd32.exe	92
PID 372 wrote to memory of 1268	372	AcroRd32.exe	92
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 3044	1268	RdrCEF.exe	95
PID 1268 wrote to memory of 4444	1268	RdrCEF.exe	96
PID 1268 wrote to memory of 4444	1268	RdrCEF.exe	96
PID 1268 wrote to memory of 4444	1268	RdrCEF.exe	96
PID 1268 wrote to memory of 4444	1268	RdrCEF.exe	96
PID 1268 wrote to memory of 4444	1268	RdrCEF.exe	96
PID 1268 wrote to memory of 4444	1268	RdrCEF.exe	96
PID 1268 wrote to memory of 4444	1268	RdrCEF.exe	96
PID 1268 wrote to memory of 4444	1268	RdrCEF.exe	96
PID 1268 wrote to memory of 4444	1268	RdrCEF.exe	96
PID 1268 wrote to memory of 4444	1268	RdrCEF.exe	96
PID 1268 wrote to memory of 4444	1268	RdrCEF.exe	96
PID 1268 wrote to memory of 4444	1268	RdrCEF.exe	96
PID 1268 wrote to memory of 4444	1268	RdrCEF.exe	96
PID 1268 wrote to memory of 4444	1268	RdrCEF.exe	96
PID 1268 wrote to memory of 4444	1268	RdrCEF.exe	96
PID 1268 wrote to memory of 4444	1268	RdrCEF.exe	96
PID 1268 wrote to memory of 4444	1268	RdrCEF.exe	96
PID 1268 wrote to memory of 4444	1268	RdrCEF.exe	96
PID 1268 wrote to memory of 4444	1268	RdrCEF.exe	96
PID 1268 wrote to memory of 4444	1268	RdrCEF.exe	96

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\7656d9b4e1f7f192593e5aea83344415.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:372
- 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:1268
- - 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=8B1BCC1F6C1D3EC80D140D487B63EE27 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3044
- - 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=0FF0CFE702CF73229017C8C9B27755B8 --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=0FF0CFE702CF73229017C8C9B27755B8 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4444
- - 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=38123FFF2123F1AAD6287631986EC67F --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4548
- - 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=AC3A00C3D1291CC70EB3FCE41A7386D6 --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=AC3A00C3D1291CC70EB3FCE41A7386D6 --renderer-client-id=5 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1948
- - 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=CAFC8464B06AB383681EE7224933E308 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1924
- - 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=7F6297D214BAD1C57227C2DA282DCDB8 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1712

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5104

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
3141f12cfeb0baf9ca5f33c491c118a5

SHA1
bbbc41f1a5d363d4a3eaef92122d4da41e8557ba

SHA256
e34d9f60c8ef3c5b3ca54a23da6fc766a19ab118922a70e0e1adfa61095fa971

SHA512
5273a866ee540fbefa503f062e71eceefdf3db669c6fdef244638e874aedfc7160aa9bd2c3ee44e627b0f675e314a2a21c3e9ae503e85d37cd245d3b1fafe1ad

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