a930b0e94c4310a7c76c22ff27461ecedc0e83d9e5156a676b539ffc22510545

Analysis

max time kernel
144s
max time network
168s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30-12-2023 02:45

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General

Target

0c197ffdd7356d0812ae9b143a788ac4.pdf
Size

43KB
MD5

0c197ffdd7356d0812ae9b143a788ac4
SHA1

55073f2c036ab08387c14eeff938b24ec325b6ef
SHA256

a930b0e94c4310a7c76c22ff27461ecedc0e83d9e5156a676b539ffc22510545
SHA512

c7a196408a2d02d74b9c30fa62e64d2f6201278e1430ba9a979f612c6541bb38ec55c5970835a8759ac8b3a811063c9657b63a1a48b91ec703f1eb2a8b178dc1
SSDEEP

768:hwmXbQdqpSeHZKDIuXtpTTSs4RIBdjuEKHS49FiEMWDSHeEYt7n1arj9:7LQveHZfmpTTSTot3KHS4WEM7H5Yl1al

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-1-5-21-2398549320-3657759451-817663969-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2976	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe
2976	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 1940	2976	AcroRd32.exe	97
PID 2976 wrote to memory of 1940	2976	AcroRd32.exe	97
PID 2976 wrote to memory of 1940	2976	AcroRd32.exe	97
PID 2976 wrote to memory of 4668	2976	AcroRd32.exe	100
PID 2976 wrote to memory of 4668	2976	AcroRd32.exe	100
PID 2976 wrote to memory of 4668	2976	AcroRd32.exe	100
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 4388	1940	RdrCEF.exe	101
PID 1940 wrote to memory of 3536	1940	RdrCEF.exe	102
PID 1940 wrote to memory of 3536	1940	RdrCEF.exe	102
PID 1940 wrote to memory of 3536	1940	RdrCEF.exe	102
PID 1940 wrote to memory of 3536	1940	RdrCEF.exe	102
PID 1940 wrote to memory of 3536	1940	RdrCEF.exe	102
PID 1940 wrote to memory of 3536	1940	RdrCEF.exe	102
PID 1940 wrote to memory of 3536	1940	RdrCEF.exe	102
PID 1940 wrote to memory of 3536	1940	RdrCEF.exe	102
PID 1940 wrote to memory of 3536	1940	RdrCEF.exe	102
PID 1940 wrote to memory of 3536	1940	RdrCEF.exe	102
PID 1940 wrote to memory of 3536	1940	RdrCEF.exe	102
PID 1940 wrote to memory of 3536	1940	RdrCEF.exe	102
PID 1940 wrote to memory of 3536	1940	RdrCEF.exe	102
PID 1940 wrote to memory of 3536	1940	RdrCEF.exe	102
PID 1940 wrote to memory of 3536	1940	RdrCEF.exe	102
PID 1940 wrote to memory of 3536	1940	RdrCEF.exe	102
PID 1940 wrote to memory of 3536	1940	RdrCEF.exe	102

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\0c197ffdd7356d0812ae9b143a788ac4.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:2976
- 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:1940
- - 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=B737448F9EE58DE4F34F6C50EA8C5149 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4388
- - 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=A6D2A58F146B3C0D7DE6ACA5D3FABD72 --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=A6D2A58F146B3C0D7DE6ACA5D3FABD72 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3536
- - 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=86279B82F382A422702A3827EE9C1D64 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2852
- - 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=F606C9BB244B6557783F2416B3E95A88 --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=F606C9BB244B6557783F2416B3E95A88 --renderer-client-id=5 --mojo-platform-channel-handle=2264 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4336
- - 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=1DC2FF71274457A11450799A497E202C --mojo-platform-channel-handle=2540 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4456
- - 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=C7E717327F610967E0944E3B1CBFCDE1 --mojo-platform-channel-handle=2008 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4524
- 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⤵
  PID:4668

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4808

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
402b81135ca74b1a176d6ce8dcbbecfd

SHA1
4e82d24c4f6e90889389ec27bd2440ce81f411ec

SHA256
0e579d19da8cf6edb84c2f48b51c134336ff6fedd83d4ebd9cc914818e3e5cca

SHA512
3bb4a0f2d59074e63ba26ead31e42c9f76bc23429791a0b329eb6dde0c6975a5c60dad633fa9793b591cfe84cf3013eb512878ce8faac339dc635e07ca074497

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