2d39fccfa9d85c84fc69c75711db23f90d2e00b004256d370d07448c6b1e98f9

Analysis

max time kernel
145s
max time network
134s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
15-11-2023 07:48

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General

Target

NEAS.43cd96da9ae8fc2d4e117aa52d229f80.pdf
Size

120KB
MD5

43cd96da9ae8fc2d4e117aa52d229f80
SHA1

746442571b89f0eab4d85117a12a5cb55bc5e78c
SHA256

2d39fccfa9d85c84fc69c75711db23f90d2e00b004256d370d07448c6b1e98f9
SHA512

ac00e53f6610287dbc22e153da0bb59bffd8a030ac8f041eaa58f8c7fc2f61761507807a6463804ac12424c922cb411e6aa8fbc0bbb5f826641b42af2c7c7355
SSDEEP

1536:HE80m3GtfiWmX2RgBkLZavod+VBJ3M37XMOANB7nOF5bnCem7sPzMTLoboB:Hl0jIkU3Vb3M3TNwe5DCemoGdB

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3350690463-3549324357-1323838019-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4940	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe
4940	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4940 wrote to memory of 1908	4940	AcroRd32.exe	95
PID 4940 wrote to memory of 1908	4940	AcroRd32.exe	95
PID 4940 wrote to memory of 1908	4940	AcroRd32.exe	95
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 4172	1908	RdrCEF.exe	96
PID 1908 wrote to memory of 2584	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 2584	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 2584	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 2584	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 2584	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 2584	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 2584	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 2584	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 2584	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 2584	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 2584	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 2584	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 2584	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 2584	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 2584	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 2584	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 2584	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 2584	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 2584	1908	RdrCEF.exe	97
PID 1908 wrote to memory of 2584	1908	RdrCEF.exe	97

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\NEAS.43cd96da9ae8fc2d4e117aa52d229f80.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:4940
- 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:1908
- - 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=A3E73B605FDC150DB9ADA4F2957D637B --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4172
- - 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=83AAAF041C01FBF0138017404C4FAEB3 --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=83AAAF041C01FBF0138017404C4FAEB3 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2584
- - 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=016FCBB6CD91EDB69451CE0C0A160BB3 --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=016FCBB6CD91EDB69451CE0C0A160BB3 --renderer-client-id=4 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4672
- - 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=E8CB4938008CBC10B9D48768A414103B --mojo-platform-channel-handle=2588 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3604
- - 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=D8199DB8AA524CC74569B49714219767 --mojo-platform-channel-handle=2724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3808
- - 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=C18ACAE88F65F96BBF2BFE5B90D78859 --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2820

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2420

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

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
fe941762afc98f8a06237b9f550c2b60

SHA1
652b1689a161223e3cc5a1bc770fdf5a5a87a33d

SHA256
190d577d66886341d3ce625355e3def8e4ef228d1224bf7c21a752b197d25cbb

SHA512
563a8243d0a2a539ca6f591a9d5f24fcc13f820b02576064f85fcad7ddf3531e7d1ba87ba864e16396a26767093f19241354ca9833f7013eb79a307486334b09

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/4940-27-0x0000000008760000-0x0000000008781000-memory.dmp

Filesize
132KB

Download