c1aeb3b12683361de783a5f4374e742e754b5dbd7d926159c80a5e6b2f900ce9

Analysis

max time kernel
143s
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
06/03/2024, 04:56

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General

Target

b690259f1dde3c44e96db84d04174444.pdf
Size

77KB
MD5

b690259f1dde3c44e96db84d04174444
SHA1

f4302cafdaf7780eaa44c5c5ee3b03181af1c626
SHA256

c1aeb3b12683361de783a5f4374e742e754b5dbd7d926159c80a5e6b2f900ce9
SHA512

06f32e3c8a13d4d06cab26dd6a5f5296c40f308ae8533574081f25650aacfdf194543db8994bd5c1bf2592728089f61d6e34ad672b3a263628dad861ca0f017e
SSDEEP

1536:TRDvDal0dLzJPvwRGwSEJTXP6Wssr/P6+AmMaWYpO2Sm8rx/q7KCWezyiUnjzTu:9bDal8JPItJTXsa/P6+nMR2SmYcK+nUS

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1324	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe
1324	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1324 wrote to memory of 3748	1324	AcroRd32.exe	102
PID 1324 wrote to memory of 3748	1324	AcroRd32.exe	102
PID 1324 wrote to memory of 3748	1324	AcroRd32.exe	102
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 464	3748	RdrCEF.exe	104
PID 3748 wrote to memory of 1092	3748	RdrCEF.exe	105
PID 3748 wrote to memory of 1092	3748	RdrCEF.exe	105
PID 3748 wrote to memory of 1092	3748	RdrCEF.exe	105
PID 3748 wrote to memory of 1092	3748	RdrCEF.exe	105
PID 3748 wrote to memory of 1092	3748	RdrCEF.exe	105
PID 3748 wrote to memory of 1092	3748	RdrCEF.exe	105
PID 3748 wrote to memory of 1092	3748	RdrCEF.exe	105
PID 3748 wrote to memory of 1092	3748	RdrCEF.exe	105
PID 3748 wrote to memory of 1092	3748	RdrCEF.exe	105
PID 3748 wrote to memory of 1092	3748	RdrCEF.exe	105
PID 3748 wrote to memory of 1092	3748	RdrCEF.exe	105
PID 3748 wrote to memory of 1092	3748	RdrCEF.exe	105
PID 3748 wrote to memory of 1092	3748	RdrCEF.exe	105
PID 3748 wrote to memory of 1092	3748	RdrCEF.exe	105
PID 3748 wrote to memory of 1092	3748	RdrCEF.exe	105
PID 3748 wrote to memory of 1092	3748	RdrCEF.exe	105
PID 3748 wrote to memory of 1092	3748	RdrCEF.exe	105
PID 3748 wrote to memory of 1092	3748	RdrCEF.exe	105
PID 3748 wrote to memory of 1092	3748	RdrCEF.exe	105
PID 3748 wrote to memory of 1092	3748	RdrCEF.exe	105

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\b690259f1dde3c44e96db84d04174444.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:1324
- 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:3748
- - 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=0D9C5601E9EA414E2EA03CEE88CD6864 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:464
- - 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=7AE81648CB9505336C0324AF1B8821E6 --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=7AE81648CB9505336C0324AF1B8821E6 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1092
- - 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=3C4B021CF90D23137DD5284046B340AE --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=3C4B021CF90D23137DD5284046B340AE --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2872
- - 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=46A7E54D8308281F9CEA02495B43B378 --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4232
- - 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=46329470513FD962A21602904143BDC7 --mojo-platform-channel-handle=1980 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1436
- - 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=8BBFF1D7C5B2012B3ECFF58C2B00BB75 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3400

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3056

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=1416 --field-trial-handle=3240,i,13319578961094268484,16557498665191861597,262144 --variations-seed-version /prefetch:8
1⤵
PID:6016

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
7a9f3d3a81ac9dc3574caf6e40b76e01

SHA1
2c6fc334c97a8acbd2c665023db5048fc0521134

SHA256
51c63351528684f4df9d6109e014c2ea8270d4b09df0bf746569290819d73ab9

SHA512
1ba1ad5be3ac6eb0a614206a2c08bd525ab97d41990fb4f9c570d68fc8f18003983d98189009159a0e545feca5450c230d70593346bc9818343a6f0bf0ce8021

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