787d0bd9294e87f2c3ae1a75d6c91ed0c53c2a31fc3f2927015af18da34779a8

Analysis

max time kernel
151s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
22/10/2023, 18:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

NEAS.8fa17df5a4817b5f9835b68548b0bea0.pdf
Size

303KB
MD5

8fa17df5a4817b5f9835b68548b0bea0
SHA1

ccedc7fdea5edee6b7ef9bbd5f281d18a189e370
SHA256

787d0bd9294e87f2c3ae1a75d6c91ed0c53c2a31fc3f2927015af18da34779a8
SHA512

74697e4a90484e0bd7209808bfa023f08a5a63dc1fdc85606d7bb11e73980678af9ddaa9ccb678e6a8ba98f0d3e818abeacb60e6fc36c9911e9409456eec40c4
SSDEEP

6144:ZANPxinKKZhUvg+iZTfeGvxvoM4AI+3hyrh:ZAOVag+iZK0AMJzRy9

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-1-5-21-1873812795-1433807462-1429862679-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1140	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe
1140	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1140 wrote to memory of 1596	1140	AcroRd32.exe	90
PID 1140 wrote to memory of 1596	1140	AcroRd32.exe	90
PID 1140 wrote to memory of 1596	1140	AcroRd32.exe	90
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 4856	1596	RdrCEF.exe	91
PID 1596 wrote to memory of 896	1596	RdrCEF.exe	92
PID 1596 wrote to memory of 896	1596	RdrCEF.exe	92
PID 1596 wrote to memory of 896	1596	RdrCEF.exe	92
PID 1596 wrote to memory of 896	1596	RdrCEF.exe	92
PID 1596 wrote to memory of 896	1596	RdrCEF.exe	92
PID 1596 wrote to memory of 896	1596	RdrCEF.exe	92
PID 1596 wrote to memory of 896	1596	RdrCEF.exe	92
PID 1596 wrote to memory of 896	1596	RdrCEF.exe	92
PID 1596 wrote to memory of 896	1596	RdrCEF.exe	92
PID 1596 wrote to memory of 896	1596	RdrCEF.exe	92
PID 1596 wrote to memory of 896	1596	RdrCEF.exe	92
PID 1596 wrote to memory of 896	1596	RdrCEF.exe	92
PID 1596 wrote to memory of 896	1596	RdrCEF.exe	92
PID 1596 wrote to memory of 896	1596	RdrCEF.exe	92
PID 1596 wrote to memory of 896	1596	RdrCEF.exe	92
PID 1596 wrote to memory of 896	1596	RdrCEF.exe	92
PID 1596 wrote to memory of 896	1596	RdrCEF.exe	92
PID 1596 wrote to memory of 896	1596	RdrCEF.exe	92
PID 1596 wrote to memory of 896	1596	RdrCEF.exe	92
PID 1596 wrote to memory of 896	1596	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\NEAS.8fa17df5a4817b5f9835b68548b0bea0.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:1140
- 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:1596
- - 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=BCEA4B458F7D77276DBF094F78D32A54 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4856
- - 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=402DDD5D8E21E5503F0226828C3C8C7C --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=402DDD5D8E21E5503F0226828C3C8C7C --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:896
- - 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=FFD63DEBA484DB85982E3A0E83B426EB --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=FFD63DEBA484DB85982E3A0E83B426EB --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4036
- - 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=F39DB56279AEB7C68FA799BEEE29CB61 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5104
- - 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=58D6B12F49EA559F290EA29058E733AD --mojo-platform-channel-handle=1892 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2312
- - 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=281A52A8AD27832772FC3BDAA9575381 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2792

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4752

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
914aaf101d0733d4b2e658a989002495

SHA1
4b14379b473837c5ed1c8e7902c17811e872b09e

SHA256
70154584fbbd57e44efd3dd083d282a90830123dc9f9beca9c11d04149190fce

SHA512
ac5cb5da78ad4f5208425c4446c0092d529e51ea095deca25d92f1804ca5cd60117ec917afcafe990d05986fa3b8c5f1696fb4f1e97343d955f97592cbbd7e3d

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