e301717b4c34a8235c7b77718a0fded5078847c1c9536920db608bd9c3725fca

Analysis

max time kernel
143s
max time network
157s
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, 12:57

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General

Target

932acb355faa432431d1f7ac4da0f6eb.pdf
Size

33KB
MD5

932acb355faa432431d1f7ac4da0f6eb
SHA1

01c9ad72dfa1f5afcc0f50e062d71906ffa233c4
SHA256

e301717b4c34a8235c7b77718a0fded5078847c1c9536920db608bd9c3725fca
SHA512

7fb38d989d3118600676da3a1e334f73465302547a3cfb9dbe38905a6a3b21df1c3d469184858ffc602244cf741d638f09ef4d3e15ebddc96adf4b5de4628855
SSDEEP

768:ZRmvk4xJVHQ+cA+Tu6DVEGnCQsf4ZgrAdIocZcxTBO1yXn6T8L1oW2SGos4pnRtw:PbIzrFzZcrOAX+8L6/o3PvBXk

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5104	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5104 wrote to memory of 1856	5104	AcroRd32.exe	91
PID 5104 wrote to memory of 1856	5104	AcroRd32.exe	91
PID 5104 wrote to memory of 1856	5104	AcroRd32.exe	91
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 3736	1856	RdrCEF.exe	92
PID 1856 wrote to memory of 2292	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 2292	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 2292	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 2292	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 2292	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 2292	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 2292	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 2292	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 2292	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 2292	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 2292	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 2292	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 2292	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 2292	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 2292	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 2292	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 2292	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 2292	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 2292	1856	RdrCEF.exe	93
PID 1856 wrote to memory of 2292	1856	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\932acb355faa432431d1f7ac4da0f6eb.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1856
- - 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=538DD11632C26A5B76B70631EFAB8A76 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3736
- - 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=582401AA9EB70F30D87BA9358C9FB809 --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=582401AA9EB70F30D87BA9358C9FB809 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2292
- - 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=26AF88046B8A54143A578AA47BB86264 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4112
- - 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=A036BF637EBC7B2996711BC67FADC1D0 --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=A036BF637EBC7B2996711BC67FADC1D0 --renderer-client-id=5 --mojo-platform-channel-handle=1932 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4916
- - 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=E7EF3389A971C3DFD3C5415C901C0A4A --mojo-platform-channel-handle=2580 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3272
- - 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=493F1585C6510FE6AB15888DB426F8B9 --mojo-platform-channel-handle=2004 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4884

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3640

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
6d5621bc841fcb75f32b1ee8823c9d83

SHA1
97fe397636f54cd5fd792eafebdc5a0e45fed9f8

SHA256
a9524c16f4f09b5ca56782800f235f6bfa35a02391c1f023d07ccfc22f27d9ce

SHA512
f47472852c2c048ff2f5ff626067a2b08ef79ca0481a62233484d781009a68f2740223285a66ea250a7fc4e272a7716dd47849b5b3eac6c5c863c248bfc24cc9

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