27b32b02a1b448f5d7628a49bf1bbd716421bd9ab3191fc91d856d54b84f500e

Analysis

max time kernel
149s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/01/2024, 05:44

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General

Target

5821620d473c6981d5984664aa2bfc3e.pdf
Size

63KB
MD5

5821620d473c6981d5984664aa2bfc3e
SHA1

25fc81b50f1aee1abcbcf5d5dc86521d35dd28e3
SHA256

27b32b02a1b448f5d7628a49bf1bbd716421bd9ab3191fc91d856d54b84f500e
SHA512

7cbd07deb290360d454c13bef24df0fc084a641b241e1923bc0d62aa85ace51162394b6f88d9edfa2e4b3a67395dcb967a402b2d4fd25f6b5e29c860846a427a
SSDEEP

1536:ZxJUnekB3jAv3r35K7bf6c3Kqv0F33kYqKTrPb7hDI:FUekJjAv7OfP3KqwnktKvD7e

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3028	AcroRd32.exe
3028	AcroRd32.exe
3028	AcroRd32.exe
3028	AcroRd32.exe
3028	AcroRd32.exe
3028	AcroRd32.exe
3028	AcroRd32.exe
3028	AcroRd32.exe
3028	AcroRd32.exe
3028	AcroRd32.exe
3028	AcroRd32.exe
3028	AcroRd32.exe
3028	AcroRd32.exe
3028	AcroRd32.exe
3028	AcroRd32.exe
3028	AcroRd32.exe
3028	AcroRd32.exe
3028	AcroRd32.exe
3028	AcroRd32.exe
3028	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3028	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3028	AcroRd32.exe
3028	AcroRd32.exe
3028	AcroRd32.exe
3028	AcroRd32.exe
3028	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 1924	3028	AcroRd32.exe	90
PID 3028 wrote to memory of 1924	3028	AcroRd32.exe	90
PID 3028 wrote to memory of 1924	3028	AcroRd32.exe	90
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 1820	1924	RdrCEF.exe	91
PID 1924 wrote to memory of 4236	1924	RdrCEF.exe	92
PID 1924 wrote to memory of 4236	1924	RdrCEF.exe	92
PID 1924 wrote to memory of 4236	1924	RdrCEF.exe	92
PID 1924 wrote to memory of 4236	1924	RdrCEF.exe	92
PID 1924 wrote to memory of 4236	1924	RdrCEF.exe	92
PID 1924 wrote to memory of 4236	1924	RdrCEF.exe	92
PID 1924 wrote to memory of 4236	1924	RdrCEF.exe	92
PID 1924 wrote to memory of 4236	1924	RdrCEF.exe	92
PID 1924 wrote to memory of 4236	1924	RdrCEF.exe	92
PID 1924 wrote to memory of 4236	1924	RdrCEF.exe	92
PID 1924 wrote to memory of 4236	1924	RdrCEF.exe	92
PID 1924 wrote to memory of 4236	1924	RdrCEF.exe	92
PID 1924 wrote to memory of 4236	1924	RdrCEF.exe	92
PID 1924 wrote to memory of 4236	1924	RdrCEF.exe	92
PID 1924 wrote to memory of 4236	1924	RdrCEF.exe	92
PID 1924 wrote to memory of 4236	1924	RdrCEF.exe	92
PID 1924 wrote to memory of 4236	1924	RdrCEF.exe	92
PID 1924 wrote to memory of 4236	1924	RdrCEF.exe	92
PID 1924 wrote to memory of 4236	1924	RdrCEF.exe	92
PID 1924 wrote to memory of 4236	1924	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\5821620d473c6981d5984664aa2bfc3e.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:3028
- 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:1924
- - 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=60D3583D5056A3AAB0C9DEF83437179D --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1820
- - 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=DE2789CD4020D04CCECE7D83FE4AF158 --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=DE2789CD4020D04CCECE7D83FE4AF158 --renderer-client-id=2 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4236
- - 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=CEED7011F6B5B4DAF89791E3C0B4C07E --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1800
- - 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=8AA51A97988692C76021EA225782AA51 --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=8AA51A97988692C76021EA225782AA51 --renderer-client-id=5 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4228
- - 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=FEFC77E0F590C985D1079B519B62092C --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1036
- - 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=EB02878A958EC6382B1D5F2F075FDEF7 --mojo-platform-channel-handle=2912 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5072

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UsoSvc
1⤵
PID:1036

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
12730643efaf0f8527613a09cec037d5

SHA1
0cb01afc46a4576d212c349e93b4949bf463e2c7

SHA256
6c1e6a5c73cd5eb8c9b606625e7c0423cce97bdf05048c3ba8a610142f6d63c4

SHA512
3e889df3d107c50d05d2c2c89ba9b1524da59eb2804a0a353a8250aa7e9690e381cda8d9588b98e11ba9f859702204a8065b81471561e847f2a7cf8c6e51554f

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
1KB

MD5
d0df5f9974138501424cb06472477adf

SHA1
9d143e2c9c48327c6fa0b4f2fb65be982037db51

SHA256
6c3615c908cb98afc062e70b7f985bf7b667fd8540a25824aa07a14b6b6a05d6

SHA512
9a7d8b47a8311e00ba206fee9bf0d42991a0caaf43492ea067bb6c9eb333a3231a35bae1efcd95add82d6dbfcfef5e10d42c084b9e73c5fdd7eadf8131324617

Download Submit