58b5f220a8d9eda870ecdab6a297878c93636b2369e6e986b68247c6e4fad3b2

Analysis

max time kernel
147s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 13:48

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General

Target
b78d7be417fcd77f0bf927461ed8a42b.pdf
Size 34KB
Sample240306-q4fl6adc87
SHA256 58b5f220a8d9eda870ecdab6a297878c93636b2369e6e986b68247c6e4fad3b2
MD5 b78d7be417fcd77f0bf927461ed8a42b
SHA1 bc7cad2d105b064527b96b5cb3308cc1f4ebc7ee
SHA512 d50bc94b6b7156efb5b3d2529e4cf4098892fda43ea14b6dfb3dfc4571cb65c2a3d71251956d9e8d7ceb7495cf0ed7ed9bff9ff914fdfe77a413bfad64a9af69
SSDEEP 768:mr0195ltskVfMLGC+MgLnGoajvfD5AY+Wjr8Q:C6l0Ln45ajHYWjr1
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2200	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe
2200	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 4860	2200	AcroRd32.exe	90
PID 2200 wrote to memory of 4860	2200	AcroRd32.exe	90
PID 2200 wrote to memory of 4860	2200	AcroRd32.exe	90
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4396	4860	RdrCEF.exe	91
PID 4860 wrote to memory of 4864	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 4864	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 4864	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 4864	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 4864	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 4864	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 4864	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 4864	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 4864	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 4864	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 4864	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 4864	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 4864	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 4864	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 4864	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 4864	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 4864	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 4864	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 4864	4860	RdrCEF.exe	92
PID 4860 wrote to memory of 4864	4860	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\b78d7be417fcd77f0bf927461ed8a42b.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:2200
- 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:4860
- - 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=182A891F44B1CC7E1E19E8252884AB92 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4396
- - 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=98A4AE0CFBB02A4DC58B1387EE5D2566 --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=98A4AE0CFBB02A4DC58B1387EE5D2566 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4864
- - 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=B7A66D72B00C78AB373A020F37C80C48 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3364
- - 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=F8C6FF825BA109266EF80C89401F9DD2 --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=F8C6FF825BA109266EF80C89401F9DD2 --renderer-client-id=5 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:8
- - 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=3132190D61AF32FD995E8EB56B8A3222 --mojo-platform-channel-handle=2720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4100
- - 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=21586DBA5158776D2F78F9EF75256034 --mojo-platform-channel-handle=1980 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:680

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2176

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

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Downloads

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 3e3cc392d2f939a496af1868a74d7d7cb0f6475f4a9364bf4733aca869683ba0
MD5 24504109f670a945ea3f2105c2495a43
SHA1 5857cbc43e422156891932bc3546a9ad8c66d307
SHA512 a7177134d00ef05ea8d5a1a8991825735014a53faea2d32a84d32db57a23506b09606710288a6eea2ed14b96fbae359395a15e6b7f9a17b21720a32f5224bd0b
SSDEEP 384:yezdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:W+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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