958ca3bc2d7279fd955dfc3615d7b5fde78d6d40c09310b48f9c26f647564932

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11-03-2024 05:01

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General

Target

bfe8807b80dab01ef9d1d691a46adcc8.pdf
Size

87KB
MD5

bfe8807b80dab01ef9d1d691a46adcc8
SHA1

99835bb9c26666a6fe6735e197a2846282101bb5
SHA256

958ca3bc2d7279fd955dfc3615d7b5fde78d6d40c09310b48f9c26f647564932
SHA512

842bb1f0c36357955b27f74c5afc79dfe382d7ebe4a3beff57c34e03e85cf7615c5f519b581156800b510cb6d774d9f517b603ff6a8fb77c71fd73feea113c44
SSDEEP

1536:3tc0oHqEo54nxEQjmo/DvsoeOG1Y6z84k8RXyjooWH4T5WxApOGx6wzhxvhrl:9yHq9GCS1EZvY6zkUXGe3GxRzfv7

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
208	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe
208	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 208 wrote to memory of 3900	208	AcroRd32.exe	105
PID 208 wrote to memory of 3900	208	AcroRd32.exe	105
PID 208 wrote to memory of 3900	208	AcroRd32.exe	105
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3992	3900	RdrCEF.exe	107
PID 3900 wrote to memory of 3112	3900	RdrCEF.exe	108
PID 3900 wrote to memory of 3112	3900	RdrCEF.exe	108
PID 3900 wrote to memory of 3112	3900	RdrCEF.exe	108
PID 3900 wrote to memory of 3112	3900	RdrCEF.exe	108
PID 3900 wrote to memory of 3112	3900	RdrCEF.exe	108
PID 3900 wrote to memory of 3112	3900	RdrCEF.exe	108
PID 3900 wrote to memory of 3112	3900	RdrCEF.exe	108
PID 3900 wrote to memory of 3112	3900	RdrCEF.exe	108
PID 3900 wrote to memory of 3112	3900	RdrCEF.exe	108
PID 3900 wrote to memory of 3112	3900	RdrCEF.exe	108
PID 3900 wrote to memory of 3112	3900	RdrCEF.exe	108
PID 3900 wrote to memory of 3112	3900	RdrCEF.exe	108
PID 3900 wrote to memory of 3112	3900	RdrCEF.exe	108
PID 3900 wrote to memory of 3112	3900	RdrCEF.exe	108
PID 3900 wrote to memory of 3112	3900	RdrCEF.exe	108
PID 3900 wrote to memory of 3112	3900	RdrCEF.exe	108
PID 3900 wrote to memory of 3112	3900	RdrCEF.exe	108
PID 3900 wrote to memory of 3112	3900	RdrCEF.exe	108

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\bfe8807b80dab01ef9d1d691a46adcc8.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:208
- 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:3900
- - 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=DA96FFA0BBB2EE98EE7153DBE1BB20E0 --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=DA96FFA0BBB2EE98EE7153DBE1BB20E0 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3992
- - 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=463F3C00779BA857EE02183D12EE341E --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3112
- - 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=DC357F0A09BF1E5E852BF611C8343CD9 --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=DC357F0A09BF1E5E852BF611C8343CD9 --renderer-client-id=4 --mojo-platform-channel-handle=2152 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1192
- - 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=CD79AB8307590C29607119F7238C7DD8 --mojo-platform-channel-handle=1980 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1124
- - 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=CFD84213F6DD71348622DDF24BE93484 --mojo-platform-channel-handle=2552 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4056
- - 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=29B1A79E645E9710CACE6F081B8BDF32 --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:332

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3660

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1404 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
1⤵
PID:5780

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
2ba7220180d5261e6fc0ea0790135118

SHA1
2ff8f3821fe98f4f4f5317b2771c890b59b886fa

SHA256
01024eec65b425e686f612113f20ae968aba7dc52537c386f2c58b5ea870a7a2

SHA512
a38a9d01779025e2973411c4f909312d015dfd7c38d77e57c5dfec2417d7204eca68221c8b7de2dca305e612ee6634988e39fd34bbf83ce473d675dc566daaba

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