b4446491e99b2a4b8d87f02b9df45eaac7259c314f330dd9c798ec602782fe4a

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
12/03/2024, 14:47

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General

Target

c3a20ae3cabaeb70d6353b2ed29fa5d9.pdf
Size

34KB
MD5

c3a20ae3cabaeb70d6353b2ed29fa5d9
SHA1

959d09bc7d9813d61d204ea00985c30203f0a613
SHA256

b4446491e99b2a4b8d87f02b9df45eaac7259c314f330dd9c798ec602782fe4a
SHA512

c856368fcd4eaa4f7fb69529e9ea97ef9221a06009dab8db4109419af6a0f7a614061a0059d57ed6d731239feb6ba3d1f5206bdc301c5aab79e35f5e29c7eafa
SSDEEP

768:jzw4Ck1JvhLk9wv7t7keVn9j1dU9WA1RM6efjGh2x:jzLCEJ5wChIaRdwWf82x

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-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
880	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe
880	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 2796	880	AcroRd32.exe	92
PID 880 wrote to memory of 2796	880	AcroRd32.exe	92
PID 880 wrote to memory of 2796	880	AcroRd32.exe	92
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 2052	2796	RdrCEF.exe	93
PID 2796 wrote to memory of 1608	2796	RdrCEF.exe	94
PID 2796 wrote to memory of 1608	2796	RdrCEF.exe	94
PID 2796 wrote to memory of 1608	2796	RdrCEF.exe	94
PID 2796 wrote to memory of 1608	2796	RdrCEF.exe	94
PID 2796 wrote to memory of 1608	2796	RdrCEF.exe	94
PID 2796 wrote to memory of 1608	2796	RdrCEF.exe	94
PID 2796 wrote to memory of 1608	2796	RdrCEF.exe	94
PID 2796 wrote to memory of 1608	2796	RdrCEF.exe	94
PID 2796 wrote to memory of 1608	2796	RdrCEF.exe	94
PID 2796 wrote to memory of 1608	2796	RdrCEF.exe	94
PID 2796 wrote to memory of 1608	2796	RdrCEF.exe	94
PID 2796 wrote to memory of 1608	2796	RdrCEF.exe	94
PID 2796 wrote to memory of 1608	2796	RdrCEF.exe	94
PID 2796 wrote to memory of 1608	2796	RdrCEF.exe	94
PID 2796 wrote to memory of 1608	2796	RdrCEF.exe	94
PID 2796 wrote to memory of 1608	2796	RdrCEF.exe	94
PID 2796 wrote to memory of 1608	2796	RdrCEF.exe	94
PID 2796 wrote to memory of 1608	2796	RdrCEF.exe	94
PID 2796 wrote to memory of 1608	2796	RdrCEF.exe	94
PID 2796 wrote to memory of 1608	2796	RdrCEF.exe	94

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\c3a20ae3cabaeb70d6353b2ed29fa5d9.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:880
- 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: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=5C668E7588F0E967225A9B23DBBE57FD --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2052
- - 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=9D0A77DB9CC94AF1C640C45BE8A4194C --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=9D0A77DB9CC94AF1C640C45BE8A4194C --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1608
- - 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=DFD1B03EDCBBF863773AF65F9289E707 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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" --type=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=C69C969DC54950C144C005E8B039DFEF --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=C69C969DC54950C144C005E8B039DFEF --renderer-client-id=5 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4860
- - 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=CA1F6DAEDAECB99A331E8C508F0AA38E --mojo-platform-channel-handle=2480 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2696
- - 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=975AC671B9384C7277ABDDD09E0D46AC --mojo-platform-channel-handle=1972 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2600

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3184

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
4635ac25c4d085804e36a9516c10a866

SHA1
cbd6f270f1de155ff496eb1ca26ac10fff75abc5

SHA256
d1175c5f7c3556bd9e3ebf8ede75b632f2513ae927a3542d140ca0a109de6ce9

SHA512
be43282983022c15d4e0708f4830f5e087086202f200fbf5bd9ead889b64c107ac6003056540ae6bef0631b25315b203578b693fa2546161979c72bb34fa97c8

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