5ca9672063e5af195ddf5baf0df3291dece0478306c23a281de27b3ab16a09c4

Analysis

max time kernel
8s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2024 08:30

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General

Target

4060815096d02db01c12f68fd300d045.pdf
Size

33KB
MD5

4060815096d02db01c12f68fd300d045
SHA1

0c0d0307d13a26329b0b02a001a59413b0d5633b
SHA256

5ca9672063e5af195ddf5baf0df3291dece0478306c23a281de27b3ab16a09c4
SHA512

33c337ebfd9a6b0649baa99757d5637ef6e29ca22dc1822d88ec48616bc638755cecabf2f75cd2df698659ebe1e6c21fdbc1e0092a27051f139b377d72034df3
SSDEEP

768:w4PfmNkdVYucI3Q4vuPCosbxoKvXLYYIOV:82fAUACosb2KDdIOV

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-1-5-21-3336304223-2978740688-3645194410-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1532	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1532	AcroRd32.exe
1532	AcroRd32.exe
1532	AcroRd32.exe
1532	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1532 wrote to memory of 3096	1532	AcroRd32.exe	91
PID 1532 wrote to memory of 3096	1532	AcroRd32.exe	91
PID 1532 wrote to memory of 3096	1532	AcroRd32.exe	91
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 3540	3096	RdrCEF.exe	92
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	RdrCEF.exe	93
PID 3096 wrote to memory of 2676	3096	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\4060815096d02db01c12f68fd300d045.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1532
- 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:3096
- - 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=5953C869AEB361033E2ECAAD5B39F092 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3540
- - 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=0BF02E921BFF843F6A30AEA59E840C08 --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=0BF02E921BFF843F6A30AEA59E840C08 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2676
- - 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=CA22E842A610292D58BEA706C82EF19B --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2084
- - 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=5DA370D58FA7072139C12B42B411776A --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=5DA370D58FA7072139C12B42B411776A --renderer-client-id=4 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2180
- - 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=4B3410777AFA4162323011322648B699 --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5104
- - 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=23BB8C02FC7000007D6EE49DF23CBDAD --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2268

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4520

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
38cb385ccfa71d341f27829c363938cd

SHA1
932dff47cf4892b6f7c8f9b20440526bb99ae387

SHA256
5160dbf8f727d91211de408f11d63399c40033349cc588756bba644db7939b8f

SHA512
f70ad871bef1c47e9462d8ecae753875ca06b3cef4c897e13f48dad205afe72d18a1dcd4d6c9d3bd1f2401f6a1ffec782ce814d56376fc8cf8b320c00afb4b63

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