4ab88bf7edf94162afbfd3452f16d9391cd899a01e68e58c088b17375dd0b021

Analysis

max time kernel
142s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
09/05/2023, 16:06

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General

Target

900243688_1329.pdf
Size

63KB
MD5

31de3da9df417ce3bc796ea5eb3909e2
SHA1

726fa5c8c4f4d9b4ac7e4135f1af7fa2b2c13e80
SHA256

bb78a16bb87155c58f09ecac98b38eca4598dfa0de6421b71a47010cf80a0e07
SHA512

7a7122facdad443be2b987922e42fbdcdb02a31668ac2b9b3860fa479d4fc4132440b9f97ac9705bd7a49b716dd9acf6849d0953cbd13fcae9b3e3bdefb1e895
SSDEEP

1536:fQD7gB8lz6WWWWWWc63WJJNyv5KWJG5aKE9KPXK:E0B8lx6qJEh+d4UK

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-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2156	AcroRd32.exe
2156	AcroRd32.exe
2156	AcroRd32.exe
2156	AcroRd32.exe
2156	AcroRd32.exe
2156	AcroRd32.exe
2156	AcroRd32.exe
2156	AcroRd32.exe
2156	AcroRd32.exe
2156	AcroRd32.exe
2156	AcroRd32.exe
2156	AcroRd32.exe
2156	AcroRd32.exe
2156	AcroRd32.exe
2156	AcroRd32.exe
2156	AcroRd32.exe
2156	AcroRd32.exe
2156	AcroRd32.exe
2156	AcroRd32.exe
2156	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2156	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2156	AcroRd32.exe
2156	AcroRd32.exe
2156	AcroRd32.exe
2156	AcroRd32.exe
2156	AcroRd32.exe
2156	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 212	2156	AcroRd32.exe	86
PID 2156 wrote to memory of 212	2156	AcroRd32.exe	86
PID 2156 wrote to memory of 212	2156	AcroRd32.exe	86
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 1348	212	RdrCEF.exe	87
PID 212 wrote to memory of 2884	212	RdrCEF.exe	88
PID 212 wrote to memory of 2884	212	RdrCEF.exe	88
PID 212 wrote to memory of 2884	212	RdrCEF.exe	88
PID 212 wrote to memory of 2884	212	RdrCEF.exe	88
PID 212 wrote to memory of 2884	212	RdrCEF.exe	88
PID 212 wrote to memory of 2884	212	RdrCEF.exe	88
PID 212 wrote to memory of 2884	212	RdrCEF.exe	88
PID 212 wrote to memory of 2884	212	RdrCEF.exe	88
PID 212 wrote to memory of 2884	212	RdrCEF.exe	88
PID 212 wrote to memory of 2884	212	RdrCEF.exe	88
PID 212 wrote to memory of 2884	212	RdrCEF.exe	88
PID 212 wrote to memory of 2884	212	RdrCEF.exe	88
PID 212 wrote to memory of 2884	212	RdrCEF.exe	88
PID 212 wrote to memory of 2884	212	RdrCEF.exe	88
PID 212 wrote to memory of 2884	212	RdrCEF.exe	88
PID 212 wrote to memory of 2884	212	RdrCEF.exe	88
PID 212 wrote to memory of 2884	212	RdrCEF.exe	88
PID 212 wrote to memory of 2884	212	RdrCEF.exe	88
PID 212 wrote to memory of 2884	212	RdrCEF.exe	88
PID 212 wrote to memory of 2884	212	RdrCEF.exe	88

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\900243688_1329.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:2156
- 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:212
- - 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=C587E6A52B2161AA5B16B4A95F8B5B12 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=C86F0FC663F6D17E9DC1F9C185231E09 --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=2 --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=C86F0FC663F6D17E9DC1F9C185231E09 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2884
- - 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=28D66F052612ED87EFB9A08FD7A711AA --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3736
- - 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=E45B95D758AC2A2710D0020647752290 --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=2 --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=E45B95D758AC2A2710D0020647752290 --renderer-client-id=5 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1088
- - 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=6587551CF7DB4347562F9F3921F9A401 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2600
- - 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=A35FB2ED7B3974F52437A6CA909B070E --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1820

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4620

Network

MITRE ATT&CK Enterprise v6

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

Filesize
64KB

MD5
430db9f4998c3fb0c0c9da172a111478

SHA1
83763dc0cf6c3e1860b2b1d779ef0df62335c18a

SHA256
29c79443d8ef43940d59e942e4c1361aaf47a90da9c8e53ff2df4976320456db

SHA512
f427b554b386451af37b95376ff0e3f8642f2a1b52b98dc1d8f6e745ae67774e3651b10610a3ddc196d50d621004e9d22364777482566120cb637c25e72e5e49

Download Submit