feec538393ca5e7d297a17ca94943291629c2481335e90da9f2de2b9d300ad09

Analysis

max time kernel
142s
max time network
156s
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, 05:54

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General

Target

1077585519b7ea6a3d14262a7acb40cc.pdf
Size

89KB
MD5

1077585519b7ea6a3d14262a7acb40cc
SHA1

8af72572392bb98100f1e6e3cd409d73d46d5ba5
SHA256

feec538393ca5e7d297a17ca94943291629c2481335e90da9f2de2b9d300ad09
SHA512

9a21ed5bf2e2364e5584e6533f76ed5fa883a73cda612f2e765505b58b2ae453f5553d07742cc43dc0c1eab85357de7844158fe82b5aa1c04dce1b1e890db9fd
SSDEEP

1536:HZ6I3LqY6GVhKmPloPHpUfvzpW3V7AWWMBLEP2liWXpO/EWV/284obLsYbLXo:5h3LqO8mSfpaWDWMBVS/t1LsYQ

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4524	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe
4524	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4524 wrote to memory of 4828	4524	AcroRd32.exe	90
PID 4524 wrote to memory of 4828	4524	AcroRd32.exe	90
PID 4524 wrote to memory of 4828	4524	AcroRd32.exe	90
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3940	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3500	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 3500	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 3500	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 3500	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 3500	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 3500	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 3500	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 3500	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 3500	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 3500	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 3500	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 3500	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 3500	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 3500	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 3500	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 3500	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 3500	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 3500	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 3500	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 3500	4828	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\1077585519b7ea6a3d14262a7acb40cc.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:4524
- 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:4828
- - 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=D7851AF76CF2458716597726D34F72A8 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3940
- - 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=626AAEDE04259791420CEA7153BE5A3C --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=626AAEDE04259791420CEA7153BE5A3C --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3500
- - 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=F09AB2744205ED817226765887BC5F71 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3648
- - 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=789C7991B81D130B33F0066563C3B9EB --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=789C7991B81D130B33F0066563C3B9EB --renderer-client-id=5 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1436
- - 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=0A033FBA5633ED93B45CB455E754D8F6 --mojo-platform-channel-handle=2556 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2940
- - 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=F01AA3481119A1E1CC892AEE7FFD821F --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1052

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
6ad0acb738c29e2d008dcb13272b226b

SHA1
76b1e7ce5dd38a36222811d141dd0e777a7ff0e2

SHA256
b6533ba893d845e677f3bde3bb929cb7f20e6adf5e6fe1e3fa4b7ac3551e0403

SHA512
af5912000c5f24af47178a17ea90f7ccbb3e7c720c7a5831e6fcc8fb2fd66fb926bd0bcab4b432d8e73554a222e1a68da977139d43b7e04ce76f228d8007ad4c

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/4524-28-0x0000000008E30000-0x0000000008E51000-memory.dmp

Filesize
132KB

Download