1a395b57da224fc4cf2a22c6087c8476cb1d7d7d3530c2404a9b7e6bdc1a4e0d

Analysis

max time kernel
141s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 23:26

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General

Target

8da314cac9adbc00a3699b0cc7345864.pdf
Size

96KB
MD5

8da314cac9adbc00a3699b0cc7345864
SHA1

c86cd5760c4dce456d57031ea26a5c8406e996dc
SHA256

1a395b57da224fc4cf2a22c6087c8476cb1d7d7d3530c2404a9b7e6bdc1a4e0d
SHA512

bf13fc7d91a1710b40b2fc672ffe5c8913b10947bfccd29171af1853dfa9104280b4c1a79414905df52cb84113315e41204183503dfcc882359016570be1138e
SSDEEP

1536:313IbUeH+nwBrUK2roin5MFnbl4bVBM8OCdcYwPstSo0xUGXXe8IjEpSolcOS:FgqwBrd2rtn5MFR4RBzBmPs5sOPEpjlo

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2884	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe
2884	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2884 wrote to memory of 3128	2884	AcroRd32.exe	87
PID 2884 wrote to memory of 3128	2884	AcroRd32.exe	87
PID 2884 wrote to memory of 3128	2884	AcroRd32.exe	87
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 4276	3128	RdrCEF.exe	89
PID 3128 wrote to memory of 740	3128	RdrCEF.exe	90
PID 3128 wrote to memory of 740	3128	RdrCEF.exe	90
PID 3128 wrote to memory of 740	3128	RdrCEF.exe	90
PID 3128 wrote to memory of 740	3128	RdrCEF.exe	90
PID 3128 wrote to memory of 740	3128	RdrCEF.exe	90
PID 3128 wrote to memory of 740	3128	RdrCEF.exe	90
PID 3128 wrote to memory of 740	3128	RdrCEF.exe	90
PID 3128 wrote to memory of 740	3128	RdrCEF.exe	90
PID 3128 wrote to memory of 740	3128	RdrCEF.exe	90
PID 3128 wrote to memory of 740	3128	RdrCEF.exe	90
PID 3128 wrote to memory of 740	3128	RdrCEF.exe	90
PID 3128 wrote to memory of 740	3128	RdrCEF.exe	90
PID 3128 wrote to memory of 740	3128	RdrCEF.exe	90
PID 3128 wrote to memory of 740	3128	RdrCEF.exe	90
PID 3128 wrote to memory of 740	3128	RdrCEF.exe	90
PID 3128 wrote to memory of 740	3128	RdrCEF.exe	90
PID 3128 wrote to memory of 740	3128	RdrCEF.exe	90
PID 3128 wrote to memory of 740	3128	RdrCEF.exe	90
PID 3128 wrote to memory of 740	3128	RdrCEF.exe	90
PID 3128 wrote to memory of 740	3128	RdrCEF.exe	90

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\8da314cac9adbc00a3699b0cc7345864.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:2884
- 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:3128
- - 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=1FA167BB4BA422B7389A6268316217B9 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4276
- - 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=A214A6A62CBA0BE1F087FCCB9BFAEEF9 --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=A214A6A62CBA0BE1F087FCCB9BFAEEF9 --renderer-client-id=2 --mojo-platform-channel-handle=1836 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:740
- - 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=47FC51F61D5C1ABD1C06EF4D4639DF5E --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5056
- - 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=3CCAB73D084618E12A428A36AB9B0F89 --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=3CCAB73D084618E12A428A36AB9B0F89 --renderer-client-id=5 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2316
- - 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=5C265FD74D387020C614460435456E72 --mojo-platform-channel-handle=1796 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:392
- - 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=6763812123CFD03E3C1D05EE6D88A8B2 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4540

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
3849a873de4dc3c18fb940ca0c517db4

SHA1
0533ba2e8340b45014b96021a2b233062e3952cd

SHA256
098ea5fa91b287c047b72c77849fae4eee1584e7a1b150f1fd0bb16354955bf2

SHA512
4355569b9d9fc3de56184cb22c186053488b4d4b8d75c21b01e75399f357af954b60e5efb4c8f060cebd8650fe5f9983d7465e4c42dc3a29d428d194dfb56d71

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/2884-28-0x000000000D250000-0x000000000D271000-memory.dmp

Filesize
132KB

Download