d2d879ccdde24d37b4f2b87f71554e6e383f0af380a99ee2ee8242a2101c650a

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08-03-2024 02:18

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General

Target

ba4461f6c77b32cd38e2722061140494.pdf
Size

34KB
MD5

ba4461f6c77b32cd38e2722061140494
SHA1

f6b1eeb116ae090162a1afb6c89355a88476d272
SHA256

d2d879ccdde24d37b4f2b87f71554e6e383f0af380a99ee2ee8242a2101c650a
SHA512

4ec691fe5c7fcac72b941a841dc6306ac6b9db014679bbd90e52e718f647b935d84b6ca474827a873589b130f776b950241dfe0d8423d2f72caa9b395bee8e1f
SSDEEP

768:lYoPakQ8m5cvbS3Gr6xNZwn6Rx1HZh945/x8i+qD3Z7OYCQ8Gmk:lvu8muENFFwvXD3BOYCFGmk

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-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4908	AcroRd32.exe
4908	AcroRd32.exe
4908	AcroRd32.exe
4908	AcroRd32.exe
4908	AcroRd32.exe
4908	AcroRd32.exe
4908	AcroRd32.exe
4908	AcroRd32.exe
4908	AcroRd32.exe
4908	AcroRd32.exe
4908	AcroRd32.exe
4908	AcroRd32.exe
4908	AcroRd32.exe
4908	AcroRd32.exe
4908	AcroRd32.exe
4908	AcroRd32.exe
4908	AcroRd32.exe
4908	AcroRd32.exe
4908	AcroRd32.exe
4908	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4908	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4908	AcroRd32.exe
4908	AcroRd32.exe
4908	AcroRd32.exe
4908	AcroRd32.exe
4908	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4908 wrote to memory of 2400	4908	AcroRd32.exe	94
PID 4908 wrote to memory of 2400	4908	AcroRd32.exe	94
PID 4908 wrote to memory of 2400	4908	AcroRd32.exe	94
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 3952	2400	RdrCEF.exe	95
PID 2400 wrote to memory of 1544	2400	RdrCEF.exe	96
PID 2400 wrote to memory of 1544	2400	RdrCEF.exe	96
PID 2400 wrote to memory of 1544	2400	RdrCEF.exe	96
PID 2400 wrote to memory of 1544	2400	RdrCEF.exe	96
PID 2400 wrote to memory of 1544	2400	RdrCEF.exe	96
PID 2400 wrote to memory of 1544	2400	RdrCEF.exe	96
PID 2400 wrote to memory of 1544	2400	RdrCEF.exe	96
PID 2400 wrote to memory of 1544	2400	RdrCEF.exe	96
PID 2400 wrote to memory of 1544	2400	RdrCEF.exe	96
PID 2400 wrote to memory of 1544	2400	RdrCEF.exe	96
PID 2400 wrote to memory of 1544	2400	RdrCEF.exe	96
PID 2400 wrote to memory of 1544	2400	RdrCEF.exe	96
PID 2400 wrote to memory of 1544	2400	RdrCEF.exe	96
PID 2400 wrote to memory of 1544	2400	RdrCEF.exe	96
PID 2400 wrote to memory of 1544	2400	RdrCEF.exe	96
PID 2400 wrote to memory of 1544	2400	RdrCEF.exe	96
PID 2400 wrote to memory of 1544	2400	RdrCEF.exe	96
PID 2400 wrote to memory of 1544	2400	RdrCEF.exe	96
PID 2400 wrote to memory of 1544	2400	RdrCEF.exe	96
PID 2400 wrote to memory of 1544	2400	RdrCEF.exe	96

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\ba4461f6c77b32cd38e2722061140494.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:4908
- 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:2400
- - 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=611DE5525F355D747ED56438C366CAD1 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3952
- - 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=3D10AB9ECC1443815C8E537A332D6F74 --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=3D10AB9ECC1443815C8E537A332D6F74 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1544
- - 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=C3C0B6B54431E3AEBFE33D625D6D85FD --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3612
- - 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=117BE8BB7ED5C75DF278B0D8645A6DE3 --mojo-platform-channel-handle=1924 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1992
- - 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=5262176B451597729CA84EDB17D24233 --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=5262176B451597729CA84EDB17D24233 --renderer-client-id=6 --mojo-platform-channel-handle=2200 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1012
- - 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=C987BB464ED60DDE83E2275133403253 --mojo-platform-channel-handle=2700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3904

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
20efcea5c1a426edadea05f0a10e6447

SHA1
2aa035a0f17cf32a41024c5fb79b460aeb7fe64f

SHA256
0eff6d1e5bf8caf3ebdbd3beadc2030290f87dd8a152218ef3f53df52b30bc02

SHA512
181b90e998bbecc9dafc2907f189d9158a85a3f55ab7807a90913d01e7b23ab6de8b7b450f5e8428a8b8cf9e6fd68b6b40efefa5896046264b7455cc0310e94f

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