5bef701b87843a3143a677ff287bde0e55f06c055c62613bfe4332fa3bde5dd6

Analysis

max time kernel
156s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
16/04/2024, 22:31

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General

Target

5bef701b87843a3143a677ff287bde0e55f06c055c62613bfe4332fa3bde5dd6.pdf
Size

5.2MB
MD5

3d72ece94bc559c32b3204e3836efe4b
SHA1

139fc1f04bd3aa1329104d499412918b82b0a196
SHA256

5bef701b87843a3143a677ff287bde0e55f06c055c62613bfe4332fa3bde5dd6
SHA512

882705054dd15064f603ab6d61bf59fe318ae894e1da6d9c38a73b9e29b0b57e84a1c3a2302f6e274781c1920d3ca3a91491683c63772856830313a9020f84cb
SSDEEP

98304:ZqY16SJvL9TyaR6VVWXKaprZLt2lfhh12UrhQSb420r02x:ZxNJvhTRyA6apgh12UrhQA0rB

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-1-5-21-3198953144-1466794930-246379610-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4792	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe
4792	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4792 wrote to memory of 3756	4792	AcroRd32.exe	88
PID 4792 wrote to memory of 3756	4792	AcroRd32.exe	88
PID 4792 wrote to memory of 3756	4792	AcroRd32.exe	88
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 2296	3756	RdrCEF.exe	89
PID 3756 wrote to memory of 1572	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 1572	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 1572	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 1572	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 1572	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 1572	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 1572	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 1572	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 1572	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 1572	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 1572	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 1572	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 1572	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 1572	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 1572	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 1572	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 1572	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 1572	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 1572	3756	RdrCEF.exe	90
PID 3756 wrote to memory of 1572	3756	RdrCEF.exe	90

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\5bef701b87843a3143a677ff287bde0e55f06c055c62613bfe4332fa3bde5dd6.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:4792
- 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:3756
- - 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=93358A0F6297EEC8E9F60C76B2255415 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2296
- - 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=E81691F058CFF3C29DA3D861030DD7E6 --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=E81691F058CFF3C29DA3D861030DD7E6 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1572
- - 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=25A56B5F46799A9721ED586AACB90E2E --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=25A56B5F46799A9721ED586AACB90E2E --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2796
- - 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=962946D77B8EC5A548D81627C7F524C2 --mojo-platform-channel-handle=2344 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1060
- - 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=47B9190A3BF96A02DA4B3605B1242D9C --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1808
- - 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=925BCA9F8B362EBCD90BD1B10EA9D0D7 --mojo-platform-channel-handle=2720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2068

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4336

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
2066387be5ebf27b6985921ca9b38697

SHA1
fb799e66bf3b848e26abe109286dafab7ec82a4e

SHA256
f1ccb19412be744843fe2ad5f75e1751070fa775d23498796833e4f2c4da97b0

SHA512
fefe55e225e27182b550ae400b18251a3d5506f7c9606f3a8f610f202f58f2adda595dbdcd8fc28252911e11dc923925d1f1b269621d990044ec890b14a5298b

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