6f5750c0b6d55e4dec88fba4a033eeaefd16269a0963159c841e40bfda1d3274

Analysis

max time kernel
148s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
25/02/2024, 13:38

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General

Target

a3eb80ce9064fdfbe1cbc7738f93bc27.pdf
Size

35KB
MD5

a3eb80ce9064fdfbe1cbc7738f93bc27
SHA1

4f9d8df939d082b0d1c62b805d769437e9a3886d
SHA256

6f5750c0b6d55e4dec88fba4a033eeaefd16269a0963159c841e40bfda1d3274
SHA512

578b3e2825c928c4dbf63e3c6b48ca3d46a73c92261e4463ab31ee45f458c26a6038a5db899813e3dd0a4e8a4d49aa9a534f4f65c5c20136eaab918af2112ad5
SSDEEP

768:bIIFg1NswA2ZLmQPKF1Dnq7EDvg+r7wscxVOPZFH8QyKiq:UA2ZtP17EDYiwsWVOPZFH8lKiq

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-1-5-21-1712835645-2080934712-2142796781-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4968	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe
4968	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4968 wrote to memory of 4088	4968	AcroRd32.exe	91
PID 4968 wrote to memory of 4088	4968	AcroRd32.exe	91
PID 4968 wrote to memory of 4088	4968	AcroRd32.exe	91
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 4484	4088	RdrCEF.exe	92
PID 4088 wrote to memory of 3388	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 3388	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 3388	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 3388	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 3388	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 3388	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 3388	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 3388	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 3388	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 3388	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 3388	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 3388	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 3388	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 3388	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 3388	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 3388	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 3388	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 3388	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 3388	4088	RdrCEF.exe	93
PID 4088 wrote to memory of 3388	4088	RdrCEF.exe	93

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\a3eb80ce9064fdfbe1cbc7738f93bc27.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:4968
- 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:4088
- - 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=3E77B9BB784533BD77AF41A54E9BC91A --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4484
- - 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=9056D540137AD0D121AA2CF14A0CE49B --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=9056D540137AD0D121AA2CF14A0CE49B --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3388
- - 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=115B6DEEF864E62CC5F05C15B4CDB448 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4732
- - 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=9F4CF9CBCADED1109485A5DD5F07522C --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1916
- - 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=36102F56CA012FEF5CB99BE85C41C629 --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=36102F56CA012FEF5CB99BE85C41C629 --renderer-client-id=6 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3076
- - 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=46882D3009FCD3076001F490BCB30050 --mojo-platform-channel-handle=2512 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2008

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
811970cdfe06f4ebc33d4ef8412c842d

SHA1
dc8e94d9bbeda553d1237faaeddaab905f3b6cf0

SHA256
04c6b56956283d1ed236bc6bb994a057d4fbd4e0cd950135ee631bd9368e0018

SHA512
cf852d4fb2c9e2d2a396ce0257f717a490bc7867f36d1517a4bab2f8c5b39bd7e3cbd6402f345f6f775b5c274e6e60d96e6e50bec9a924dd16ac5d722c9a94bc

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