f1c774fbc69411a1012f13a15006611ac18110cf4da1fd4dadf48c6bd7f057c3

Analysis

max time kernel
141s
max time network
149s
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, 13:13

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General

Target

9be5f760e816dea50a6c0f0b129d437c.pdf
Size

95KB
MD5

9be5f760e816dea50a6c0f0b129d437c
SHA1

5401f2a00fb494cd2fce617e5c7d32131c2dd860
SHA256

f1c774fbc69411a1012f13a15006611ac18110cf4da1fd4dadf48c6bd7f057c3
SHA512

f1a7989489cc14066eea77f5ed8f3fcd9fb7d57eacfb348d65a9b99b174f6f2e1afcaa52bc76909ebecee6ad7707652a8ceca0addd46f027a7eaee7a14d1b17c
SSDEEP

1536:TGj9qzr7qZi9Tasg/i6/23vlY2yyga+N1SfSr0YupkbVV2mGW6USayIUjiGESWeD:Sj9qzr7Qj/23vBNgaAkUGBitbiZ

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4180	AcroRd32.exe
4180	AcroRd32.exe
4180	AcroRd32.exe
4180	AcroRd32.exe
4180	AcroRd32.exe
4180	AcroRd32.exe
4180	AcroRd32.exe
4180	AcroRd32.exe
4180	AcroRd32.exe
4180	AcroRd32.exe
4180	AcroRd32.exe
4180	AcroRd32.exe
4180	AcroRd32.exe
4180	AcroRd32.exe
4180	AcroRd32.exe
4180	AcroRd32.exe
4180	AcroRd32.exe
4180	AcroRd32.exe
4180	AcroRd32.exe
4180	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4180	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4180	AcroRd32.exe
4180	AcroRd32.exe
4180	AcroRd32.exe
4180	AcroRd32.exe
4180	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4180 wrote to memory of 3480	4180	AcroRd32.exe	93
PID 4180 wrote to memory of 3480	4180	AcroRd32.exe	93
PID 4180 wrote to memory of 3480	4180	AcroRd32.exe	93
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 3184	3480	RdrCEF.exe	94
PID 3480 wrote to memory of 972	3480	RdrCEF.exe	95
PID 3480 wrote to memory of 972	3480	RdrCEF.exe	95
PID 3480 wrote to memory of 972	3480	RdrCEF.exe	95
PID 3480 wrote to memory of 972	3480	RdrCEF.exe	95
PID 3480 wrote to memory of 972	3480	RdrCEF.exe	95
PID 3480 wrote to memory of 972	3480	RdrCEF.exe	95
PID 3480 wrote to memory of 972	3480	RdrCEF.exe	95
PID 3480 wrote to memory of 972	3480	RdrCEF.exe	95
PID 3480 wrote to memory of 972	3480	RdrCEF.exe	95
PID 3480 wrote to memory of 972	3480	RdrCEF.exe	95
PID 3480 wrote to memory of 972	3480	RdrCEF.exe	95
PID 3480 wrote to memory of 972	3480	RdrCEF.exe	95
PID 3480 wrote to memory of 972	3480	RdrCEF.exe	95
PID 3480 wrote to memory of 972	3480	RdrCEF.exe	95
PID 3480 wrote to memory of 972	3480	RdrCEF.exe	95
PID 3480 wrote to memory of 972	3480	RdrCEF.exe	95
PID 3480 wrote to memory of 972	3480	RdrCEF.exe	95
PID 3480 wrote to memory of 972	3480	RdrCEF.exe	95
PID 3480 wrote to memory of 972	3480	RdrCEF.exe	95
PID 3480 wrote to memory of 972	3480	RdrCEF.exe	95

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\9be5f760e816dea50a6c0f0b129d437c.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:4180
- 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:3480
- - 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=655E5F7C4E46AD68C439CB2DD5105916 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3184
- - 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=9FB200821684B9B0FA1893CA2B4B4900 --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=9FB200821684B9B0FA1893CA2B4B4900 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:972
- - 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=30D028AF3006A831CF4D696306B817F9 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1580
- - 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=A9011689DB1ACC4C6B708D18AE4A9023 --mojo-platform-channel-handle=1820 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4536
- - 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=35918EE50817BC2B06590C3D97040F0A --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=35918EE50817BC2B06590C3D97040F0A --renderer-client-id=6 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4052
- - 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=966ED8FA504B951BB2C2382A8C705FED --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2568

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
051339bde650931cc73c72d55b6b01e5

SHA1
c8423689bb91f434dfcca9139403f7feb6e3747f

SHA256
bb4133b04052602f74622e75f3994abef919fd5e18496f68dcfb9a5a9e89c196

SHA512
73760c7077305c16181e2d378e6cfe58c6ae8d9a8fa1853b08450e871de24ef4a5d1fac9d7357911bc036eee3ca2354184343baf94aaabcff5266c55691c5e72

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