e4e9404432e207825d60a53f459ba0e149df0c0bccd72734f91eba5e43d150cd

Analysis

max time kernel
141s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
15-10-2023 10:58

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General

Target

NEAS.e4531b28c465f451419e0c88b2070870.pdf
Size

125KB
MD5

e4531b28c465f451419e0c88b2070870
SHA1

f11b84427cdf8ecb2e09c33a42191310bd16b91c
SHA256

e4e9404432e207825d60a53f459ba0e149df0c0bccd72734f91eba5e43d150cd
SHA512

f546e77ee4069e06308045a8c59fc4bc526e236efaa42c5d95096921a3e8070ca31454ba86773fd4a24221fe23f4bf3b4ce2e97ea518db71c230fe7029d4f71a
SSDEEP

3072:kkynwqh+h3vtoVB+0+JCVb3M3TNw15DCemoHlc:klwqwFtY+0+QR3M35MJdi

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-1-5-21-3027552071-446050021-1254071215-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1796	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe
1796	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 1348	1796	AcroRd32.exe	83
PID 1796 wrote to memory of 1348	1796	AcroRd32.exe	83
PID 1796 wrote to memory of 1348	1796	AcroRd32.exe	83
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 4432	1348	RdrCEF.exe	84
PID 1348 wrote to memory of 2820	1348	RdrCEF.exe	85
PID 1348 wrote to memory of 2820	1348	RdrCEF.exe	85
PID 1348 wrote to memory of 2820	1348	RdrCEF.exe	85
PID 1348 wrote to memory of 2820	1348	RdrCEF.exe	85
PID 1348 wrote to memory of 2820	1348	RdrCEF.exe	85
PID 1348 wrote to memory of 2820	1348	RdrCEF.exe	85
PID 1348 wrote to memory of 2820	1348	RdrCEF.exe	85
PID 1348 wrote to memory of 2820	1348	RdrCEF.exe	85
PID 1348 wrote to memory of 2820	1348	RdrCEF.exe	85
PID 1348 wrote to memory of 2820	1348	RdrCEF.exe	85
PID 1348 wrote to memory of 2820	1348	RdrCEF.exe	85
PID 1348 wrote to memory of 2820	1348	RdrCEF.exe	85
PID 1348 wrote to memory of 2820	1348	RdrCEF.exe	85
PID 1348 wrote to memory of 2820	1348	RdrCEF.exe	85
PID 1348 wrote to memory of 2820	1348	RdrCEF.exe	85
PID 1348 wrote to memory of 2820	1348	RdrCEF.exe	85
PID 1348 wrote to memory of 2820	1348	RdrCEF.exe	85
PID 1348 wrote to memory of 2820	1348	RdrCEF.exe	85

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.e4531b28c465f451419e0c88b2070870.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:1796
- 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:1348
- - 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=4A33E7FB39006EEEF5D4CE17355FCFE1 --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=4A33E7FB39006EEEF5D4CE17355FCFE1 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4432
- - 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=AB78B86953CC0E667DC26CCC6688ACF4 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=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=1EA58507FD09FFCFD10567A287E47223 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3380
- - 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=402DF7AA5B2503B3513F8ABD162CDA5E --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=402DF7AA5B2503B3513F8ABD162CDA5E --renderer-client-id=5 --mojo-platform-channel-handle=2028 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4520
- - 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=5C2164D9457FC591AD1CADF0088ECE70 --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4608
- - 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=CA973917F57A21BB7A1F04349707635B --mojo-platform-channel-handle=2788 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:996

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
711690ba992846e5cab7daa988630e63

SHA1
dfa237b8d5dec4ea0376094ab5e71717b20664a2

SHA256
41c8021bd06bb27183f05e25883f4eed252efd53893bc7e13fc3c5cbd07cef7a

SHA512
c802221c619df021bfae5ba991934c04630a40464ebbdcba7d1059ab00dcb85c726ba62b496900e39146e75dbc8c70c4237291d5f5fda0dc5303fc7d6ca5a55b

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