930ed2fbb09fca250c7645c53b0ab8aa85cc27ed1c5981dd26e3f6ca69710a03

Analysis

max time kernel
143s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
04-02-2024 17:24

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General

Target

8fbbc3f41b97c983a544d4ee50ff0d11.pdf
Size

34KB
MD5

8fbbc3f41b97c983a544d4ee50ff0d11
SHA1

c8bb58b9d74c700285880a7fe203574124fe8984
SHA256

930ed2fbb09fca250c7645c53b0ab8aa85cc27ed1c5981dd26e3f6ca69710a03
SHA512

bf081db265d091717593a16fa6b9373ab85f6b32280289382cd1700d8d4959f3536bc8ecc7d4d180cc3a4cec605c834df259766032aa71a6f1870ae0eef96cbc
SSDEEP

768:qn7jnY7tDfWsTQeywo1jjjn8c3cztN7PFXJwYMIZt:wslffuNjn8PtNzNJwMZt

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4084	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4084 wrote to memory of 5776	4084	AcroRd32.exe	93
PID 4084 wrote to memory of 5776	4084	AcroRd32.exe	93
PID 4084 wrote to memory of 5776	4084	AcroRd32.exe	93
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4996	5776	RdrCEF.exe	96
PID 5776 wrote to memory of 4700	5776	RdrCEF.exe	95
PID 5776 wrote to memory of 4700	5776	RdrCEF.exe	95
PID 5776 wrote to memory of 4700	5776	RdrCEF.exe	95
PID 5776 wrote to memory of 4700	5776	RdrCEF.exe	95
PID 5776 wrote to memory of 4700	5776	RdrCEF.exe	95
PID 5776 wrote to memory of 4700	5776	RdrCEF.exe	95
PID 5776 wrote to memory of 4700	5776	RdrCEF.exe	95
PID 5776 wrote to memory of 4700	5776	RdrCEF.exe	95
PID 5776 wrote to memory of 4700	5776	RdrCEF.exe	95
PID 5776 wrote to memory of 4700	5776	RdrCEF.exe	95
PID 5776 wrote to memory of 4700	5776	RdrCEF.exe	95
PID 5776 wrote to memory of 4700	5776	RdrCEF.exe	95
PID 5776 wrote to memory of 4700	5776	RdrCEF.exe	95
PID 5776 wrote to memory of 4700	5776	RdrCEF.exe	95
PID 5776 wrote to memory of 4700	5776	RdrCEF.exe	95
PID 5776 wrote to memory of 4700	5776	RdrCEF.exe	95
PID 5776 wrote to memory of 4700	5776	RdrCEF.exe	95
PID 5776 wrote to memory of 4700	5776	RdrCEF.exe	95
PID 5776 wrote to memory of 4700	5776	RdrCEF.exe	95
PID 5776 wrote to memory of 4700	5776	RdrCEF.exe	95

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\8fbbc3f41b97c983a544d4ee50ff0d11.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:4084
- 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:5776
- - 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=93480A8B0BFC1929BF91F67342B50C34 --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=93480A8B0BFC1929BF91F67342B50C34 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4700
- - 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=74B06D8334D00A926D4AC1F71C0FE411 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4996
- - 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=337A038741BD6732B08731332342309D --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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" --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=1232C85FE80B5588C346DEF14B0EB195 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3676
- - 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=68FDD3F1F7742FF04A830C9BBCBC8AE2 --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=68FDD3F1F7742FF04A830C9BBCBC8AE2 --renderer-client-id=7 --mojo-platform-channel-handle=2512 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:6100
- - 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=EE9BCAC0F627D9F8ADDEC55C391551C4 --mojo-platform-channel-handle=2520 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2692

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4108

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

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Downloads

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

Filesize
64KB

MD5
626623789b442a13b868da09787330b5

SHA1
7b6d8606244e422fdcf0efb7147981e4e2f31299

SHA256
a562cc8be24229801b223b2470bea0edb22d2e4a11b24a88863863c86b517671

SHA512
854075e4631dffacbad405b89f10c36a3b2a75f41ee0be7bd8ac03c9858ebc1d333eaddf801e5deb3507b629b49ad6fb2fab6dab76cc6d8f2f4e646ff767d7f3

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