99cc35851eb8f29cac5b15d7c72fa18d8bf0eb89d09e154bcb02f9ad5d6c3044

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08/03/2024, 03:34

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General

Target

ba687543dd443260d3dc35b05ebf0c5c.pdf
Size

33KB
MD5

ba687543dd443260d3dc35b05ebf0c5c
SHA1

6a2a5d05d4d49528d24b0d65095d0c4be91383d4
SHA256

99cc35851eb8f29cac5b15d7c72fa18d8bf0eb89d09e154bcb02f9ad5d6c3044
SHA512

367c85bc33f52aa7e72e2257992f8031972948a8d68b84fb1f120c148353f3b3db39786743a23fa39353a5b0b69407804bbbb0b6d48e89af583f4e996b50ddae
SSDEEP

384:LoeAJMDHHTSnA6yp4xBu7sbjcAsU9QIohStJdGczR9z/OIpyFDm9mCUSiK0OyFN+:NTuJjAsXco9QIogtPlT3yDm/yS38C50E

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-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4188	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe
4188	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4188 wrote to memory of 1920	4188	AcroRd32.exe	92
PID 4188 wrote to memory of 1920	4188	AcroRd32.exe	92
PID 4188 wrote to memory of 1920	4188	AcroRd32.exe	92
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2140	1920	RdrCEF.exe	93
PID 1920 wrote to memory of 2576	1920	RdrCEF.exe	94
PID 1920 wrote to memory of 2576	1920	RdrCEF.exe	94
PID 1920 wrote to memory of 2576	1920	RdrCEF.exe	94
PID 1920 wrote to memory of 2576	1920	RdrCEF.exe	94
PID 1920 wrote to memory of 2576	1920	RdrCEF.exe	94
PID 1920 wrote to memory of 2576	1920	RdrCEF.exe	94
PID 1920 wrote to memory of 2576	1920	RdrCEF.exe	94
PID 1920 wrote to memory of 2576	1920	RdrCEF.exe	94
PID 1920 wrote to memory of 2576	1920	RdrCEF.exe	94
PID 1920 wrote to memory of 2576	1920	RdrCEF.exe	94
PID 1920 wrote to memory of 2576	1920	RdrCEF.exe	94
PID 1920 wrote to memory of 2576	1920	RdrCEF.exe	94
PID 1920 wrote to memory of 2576	1920	RdrCEF.exe	94
PID 1920 wrote to memory of 2576	1920	RdrCEF.exe	94
PID 1920 wrote to memory of 2576	1920	RdrCEF.exe	94
PID 1920 wrote to memory of 2576	1920	RdrCEF.exe	94
PID 1920 wrote to memory of 2576	1920	RdrCEF.exe	94
PID 1920 wrote to memory of 2576	1920	RdrCEF.exe	94
PID 1920 wrote to memory of 2576	1920	RdrCEF.exe	94
PID 1920 wrote to memory of 2576	1920	RdrCEF.exe	94

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\ba687543dd443260d3dc35b05ebf0c5c.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:4188
- 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:1920
- - 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=CE27C73BB38A86F4E62763458ABB35E2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2140
- - 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=98D9BD8CF8CB52651C83D5A973C21432 --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=98D9BD8CF8CB52651C83D5A973C21432 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2576
- - 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=A677F1EDA8805F5C00B517C8BD779635 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4988
- - 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=EB57E3A6E206585CAA241FA5741DC529 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:744
- - 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=F4656B4F639A39E94552CA164E63AD1C --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=F4656B4F639A39E94552CA164E63AD1C --renderer-client-id=6 --mojo-platform-channel-handle=2516 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2612
- - 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=570595F4758C8A8E550A661B5BEA8C94 --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3440

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:620

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
c0e5146dda291ace0b748d774929a63d

SHA1
d477258a56894a8339c22a0fdd4820ef6a74dee9

SHA256
eabbc072235e7230ed59cefa137045c0e767cf755b00e64e7f27d022a1af9d86

SHA512
6e7f746b3ca32d3066f0d716651d606b975f03ffc9499d134f01f23ae60922920a64ceba96abe33f7a0cc098d080ad4179e86827f3b143f54250ab8e9579dc6b

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