4a1e1acaeaf11bac0589c2611435e185b7aa1e3590fd85b1d44fc6defe37abaa

Analysis

max time kernel
146s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 10:07

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General

Target

156182e54077be4a6d90429d423ce0c9.pdf
Size

80KB
MD5

156182e54077be4a6d90429d423ce0c9
SHA1

77f5b1d31fb8d00fb4700159911ce2aecef49114
SHA256

4a1e1acaeaf11bac0589c2611435e185b7aa1e3590fd85b1d44fc6defe37abaa
SHA512

04f0e0400a9c93c896b6150f254f5e52bec8f056e68df040f62faa3efe4bbf2a6e6f60e436c0cc186b8ef457344bcee61277902746415415dc6f00e9ea0f13fe
SSDEEP

1536:nOwjXAeg6SpVH/YHxXv7l5RoXE7uRaGriJINl5j8d4kiVGUWOpOwrKWJ2JMkDOcp:BjXe6qH/YHh7l5aXE7uRaGeJlykukwrA

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
2276	AcroRd32.exe
2276	AcroRd32.exe
2276	AcroRd32.exe
2276	AcroRd32.exe
2276	AcroRd32.exe
2276	AcroRd32.exe
2276	AcroRd32.exe
2276	AcroRd32.exe
2276	AcroRd32.exe
2276	AcroRd32.exe
2276	AcroRd32.exe
2276	AcroRd32.exe
2276	AcroRd32.exe
2276	AcroRd32.exe
2276	AcroRd32.exe
2276	AcroRd32.exe
2276	AcroRd32.exe
2276	AcroRd32.exe
2276	AcroRd32.exe
2276	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2276	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2276	AcroRd32.exe
2276	AcroRd32.exe
2276	AcroRd32.exe
2276	AcroRd32.exe
2276	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2276 wrote to memory of 2820	2276	AcroRd32.exe	91
PID 2276 wrote to memory of 2820	2276	AcroRd32.exe	91
PID 2276 wrote to memory of 2820	2276	AcroRd32.exe	91
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 4392	2820	RdrCEF.exe	93
PID 2820 wrote to memory of 2768	2820	RdrCEF.exe	92
PID 2820 wrote to memory of 2768	2820	RdrCEF.exe	92
PID 2820 wrote to memory of 2768	2820	RdrCEF.exe	92
PID 2820 wrote to memory of 2768	2820	RdrCEF.exe	92
PID 2820 wrote to memory of 2768	2820	RdrCEF.exe	92
PID 2820 wrote to memory of 2768	2820	RdrCEF.exe	92
PID 2820 wrote to memory of 2768	2820	RdrCEF.exe	92
PID 2820 wrote to memory of 2768	2820	RdrCEF.exe	92
PID 2820 wrote to memory of 2768	2820	RdrCEF.exe	92
PID 2820 wrote to memory of 2768	2820	RdrCEF.exe	92
PID 2820 wrote to memory of 2768	2820	RdrCEF.exe	92
PID 2820 wrote to memory of 2768	2820	RdrCEF.exe	92
PID 2820 wrote to memory of 2768	2820	RdrCEF.exe	92
PID 2820 wrote to memory of 2768	2820	RdrCEF.exe	92
PID 2820 wrote to memory of 2768	2820	RdrCEF.exe	92
PID 2820 wrote to memory of 2768	2820	RdrCEF.exe	92
PID 2820 wrote to memory of 2768	2820	RdrCEF.exe	92
PID 2820 wrote to memory of 2768	2820	RdrCEF.exe	92
PID 2820 wrote to memory of 2768	2820	RdrCEF.exe	92
PID 2820 wrote to memory of 2768	2820	RdrCEF.exe	92

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\156182e54077be4a6d90429d423ce0c9.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:2276
- 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:2820
- - 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=DEBF1A6C504F7BD57B18B43A579DCF92 --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=DEBF1A6C504F7BD57B18B43A579DCF92 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2768
- - 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=E9FDE75B38AB8252C4A1C1AB1F5E2C32 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4392
- - 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=7A35F58401D45FD2E89D7354A0C486FE --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1560
- - 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=4D21653ECC612F79FEF37CE391AD21BF --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1840
- - 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=B8D81EAFA82F21E626FDCC02AED7B9DD --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=B8D81EAFA82F21E626FDCC02AED7B9DD --renderer-client-id=6 --mojo-platform-channel-handle=2480 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4936
- - 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=6271EDA07731AED2D3D94FBAEE816D44 --mojo-platform-channel-handle=2492 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1820

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3520

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
29d3048bde5e815b30fc116112d8b49a

SHA1
035870e3ac9a381539806c3f0b8c168e9a683010

SHA256
b93f63c1fc946c5e21423040b2d664711a3568b1c2bd68fc8942a68dec9a2736

SHA512
90c2225a4a6a245284b6ad3712c1964db19c46bed5f7be1bb7f969dedcaf83e3474f9cc5e4ff61b6c340a8dced4e4f9d40b5cd167ff8c5bad636ad2c984e53b8

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