b844f9e07cacbc0961688bed9ba8d683257583da1be2d880c708a698a2b7e920

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
12/02/2024, 21:22

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General

Target

97a2a03181b151c681611e70e0fa1c03.pdf
Size

87KB
MD5

97a2a03181b151c681611e70e0fa1c03
SHA1

c0d434e522f7e6a5cc653a05c99093f563de1003
SHA256

b844f9e07cacbc0961688bed9ba8d683257583da1be2d880c708a698a2b7e920
SHA512

8a8fdd5730b177703ff32906f208aec9fa204492ea5d12544928c14349ed766c88c5f7e6db6c3754c8998ad4bceb7c51d14159884bb3426682a01a11a4e201ba
SSDEEP

1536:oB66tTQ2L7JqAB/3Zs+4WFz8ldDLPorPwZn1KzWz49xJtRRM/eOOSEUxyGO0qfca:gBrL7lH43v0rsozo4fJ6TxyZ0qEAz

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
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4224	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe
4224	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4224 wrote to memory of 4216	4224	AcroRd32.exe	87
PID 4224 wrote to memory of 4216	4224	AcroRd32.exe	87
PID 4224 wrote to memory of 4216	4224	AcroRd32.exe	87
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 892	4216	RdrCEF.exe	88
PID 4216 wrote to memory of 3992	4216	RdrCEF.exe	89
PID 4216 wrote to memory of 3992	4216	RdrCEF.exe	89
PID 4216 wrote to memory of 3992	4216	RdrCEF.exe	89
PID 4216 wrote to memory of 3992	4216	RdrCEF.exe	89
PID 4216 wrote to memory of 3992	4216	RdrCEF.exe	89
PID 4216 wrote to memory of 3992	4216	RdrCEF.exe	89
PID 4216 wrote to memory of 3992	4216	RdrCEF.exe	89
PID 4216 wrote to memory of 3992	4216	RdrCEF.exe	89
PID 4216 wrote to memory of 3992	4216	RdrCEF.exe	89
PID 4216 wrote to memory of 3992	4216	RdrCEF.exe	89
PID 4216 wrote to memory of 3992	4216	RdrCEF.exe	89
PID 4216 wrote to memory of 3992	4216	RdrCEF.exe	89
PID 4216 wrote to memory of 3992	4216	RdrCEF.exe	89
PID 4216 wrote to memory of 3992	4216	RdrCEF.exe	89
PID 4216 wrote to memory of 3992	4216	RdrCEF.exe	89
PID 4216 wrote to memory of 3992	4216	RdrCEF.exe	89
PID 4216 wrote to memory of 3992	4216	RdrCEF.exe	89
PID 4216 wrote to memory of 3992	4216	RdrCEF.exe	89
PID 4216 wrote to memory of 3992	4216	RdrCEF.exe	89
PID 4216 wrote to memory of 3992	4216	RdrCEF.exe	89

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\97a2a03181b151c681611e70e0fa1c03.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:4224
- 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:4216
- - 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=841080CC9B1538E3A78817D7C14A11D3 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:892
- - 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=E333A5B6F5210F3ABF3E743AB0B7CF06 --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=E333A5B6F5210F3ABF3E743AB0B7CF06 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3992
- - 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=25C23FE174AFADBB369EFDA3AC0DC7AF --mojo-platform-channel-handle=2148 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1564
- - 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=DE6A7F4715EF10F021FD77E60674900E --mojo-platform-channel-handle=1912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4272
- - 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=E0C99D45D6275FAA52DA87B13CE9FC3F --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2588
- - 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=9D65DBDB5489E3A6B3EBD4ABC0C6A8B0 --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=9D65DBDB5489E3A6B3EBD4ABC0C6A8B0 --renderer-client-id=7 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4552

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2312

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
38279d1b199ca42129706a2429ac1e6b

SHA1
72e8183b7157d2a22d9c1a19e1ad562bc54446e7

SHA256
5674bbbd8c9ee0eafd2c46510ddad1ba65249d83f757fe8ce49d3c3cdabfadf4

SHA512
f905d1a5333c18c22bbd0ee496a8c56b5599249a11abc069b2349c1d23098283e918c09412d30ba1629989e5fa84a89d1aab2d44c3cfe2183c0a378adfd2c4a8

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