4b5f034a3534836bf0b8f8495147b4e8638b024507decf971e534f133c16c264

Analysis

max time kernel
168s
max time network
165s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 10:13

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General

Target

8419ae1a9348615cb809179631c083b6.pdf
Size

45KB
MD5

8419ae1a9348615cb809179631c083b6
SHA1

1ed7c0f69f1fd06950b67af8945782308c2d634b
SHA256

4b5f034a3534836bf0b8f8495147b4e8638b024507decf971e534f133c16c264
SHA512

4943a9b75fc9cc4a44a81be227307c89b637914587aad7ee658bed2c95175d23460cee47812d9337e00a1e2219adeb0d3b25b5edc2e60e31302b9756b531d6f1
SSDEEP

768:WsfzGFyd1RXyyg4EwqRXroJPJ3g2z/wnIj1yOZ/i4pL0XATsX:Luyd1JSwqCJPR11jZ/i4/sX

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2660	AcroRd32.exe
2660	AcroRd32.exe
2660	AcroRd32.exe
2660	AcroRd32.exe
2660	AcroRd32.exe
2660	AcroRd32.exe
2660	AcroRd32.exe
2660	AcroRd32.exe
2660	AcroRd32.exe
2660	AcroRd32.exe
2660	AcroRd32.exe
2660	AcroRd32.exe
2660	AcroRd32.exe
2660	AcroRd32.exe
2660	AcroRd32.exe
2660	AcroRd32.exe
2660	AcroRd32.exe
2660	AcroRd32.exe
2660	AcroRd32.exe
2660	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2660	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2660	AcroRd32.exe
2660	AcroRd32.exe
2660	AcroRd32.exe
2660	AcroRd32.exe
2660	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 4508	2660	AcroRd32.exe	94
PID 2660 wrote to memory of 4508	2660	AcroRd32.exe	94
PID 2660 wrote to memory of 4508	2660	AcroRd32.exe	94
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 1944	4508	RdrCEF.exe	95
PID 4508 wrote to memory of 4452	4508	RdrCEF.exe	96
PID 4508 wrote to memory of 4452	4508	RdrCEF.exe	96
PID 4508 wrote to memory of 4452	4508	RdrCEF.exe	96
PID 4508 wrote to memory of 4452	4508	RdrCEF.exe	96
PID 4508 wrote to memory of 4452	4508	RdrCEF.exe	96
PID 4508 wrote to memory of 4452	4508	RdrCEF.exe	96
PID 4508 wrote to memory of 4452	4508	RdrCEF.exe	96
PID 4508 wrote to memory of 4452	4508	RdrCEF.exe	96
PID 4508 wrote to memory of 4452	4508	RdrCEF.exe	96
PID 4508 wrote to memory of 4452	4508	RdrCEF.exe	96
PID 4508 wrote to memory of 4452	4508	RdrCEF.exe	96
PID 4508 wrote to memory of 4452	4508	RdrCEF.exe	96
PID 4508 wrote to memory of 4452	4508	RdrCEF.exe	96
PID 4508 wrote to memory of 4452	4508	RdrCEF.exe	96
PID 4508 wrote to memory of 4452	4508	RdrCEF.exe	96
PID 4508 wrote to memory of 4452	4508	RdrCEF.exe	96
PID 4508 wrote to memory of 4452	4508	RdrCEF.exe	96
PID 4508 wrote to memory of 4452	4508	RdrCEF.exe	96
PID 4508 wrote to memory of 4452	4508	RdrCEF.exe	96
PID 4508 wrote to memory of 4452	4508	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\8419ae1a9348615cb809179631c083b6.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:2660
- 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:4508
- - 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=A22BD139A89E6A1D5DA1A325D78B5318 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1944
- - 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=3CC01D597CAC339F3F3CCBA7BADAB1A7 --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=3CC01D597CAC339F3F3CCBA7BADAB1A7 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4452
- - 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=C7E51F2DB50BA54F1785CAF19CADA785 --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=C7E51F2DB50BA54F1785CAF19CADA785 --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    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" --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=88F24D0CDD085A27C96221120E4A5E6F --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4944
- - 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=3F42998AA11C44A18336B728DFED8B8D --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3064
- - 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=948652EAE127D4E0534FB25A96D13AB0 --mojo-platform-channel-handle=2764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4784

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4968

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
31681d3cf8074615616a44899e2ae163

SHA1
4e076dee427bd749f436384999044351dbe717ae

SHA256
5532e7cdaf82e881b9665e5f96250b1e66f2562a2b5fd21c27daf33bbfc0badf

SHA512
b04e12ad63376de1a1aa64072c750dbb465ff3c8702cf74e915c61c8f6056e78e9c09bf560193055adfa52caf97ab5f0c744046fae084ecab5752cd7ad5faf00

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
memory/2660-28-0x0000000009470000-0x0000000009491000-memory.dmp

Filesize
132KB

Download