b3a2c1eb68533d0751757e33ae7cb3a9a8dd4d4b0df94d017e2a8962adf410ac

Analysis

max time kernel
141s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 14:51

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General

Target

0248c25d4fa3ec299166d1cf38d78149.pdf
Size

76KB
MD5

0248c25d4fa3ec299166d1cf38d78149
SHA1

9ea546ae5bbeac2bdbc6b6866be7d9c59e46f71b
SHA256

b3a2c1eb68533d0751757e33ae7cb3a9a8dd4d4b0df94d017e2a8962adf410ac
SHA512

99d6eab1da9d780d2ca405d58b5474cc658218a8afaecb7dbee292c8fd0bedabb6ed8d052a3071579c250a8c54643234cfbe38dedeccdbdd168dcc2e23580c0a
SSDEEP

1536:JynkvqvhHhyunL8bySkTCAwDnofmLZmdVY3Apv9UndkCObp7qIdEI0lkogXf:Qkq5BVoySnnZ32FUndkCObptEI0sXf

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe
5104	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5104 wrote to memory of 4284	5104	AcroRd32.exe	92
PID 5104 wrote to memory of 4284	5104	AcroRd32.exe	92
PID 5104 wrote to memory of 4284	5104	AcroRd32.exe	92
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 1456	4284	RdrCEF.exe	95
PID 4284 wrote to memory of 4524	4284	RdrCEF.exe	96
PID 4284 wrote to memory of 4524	4284	RdrCEF.exe	96
PID 4284 wrote to memory of 4524	4284	RdrCEF.exe	96
PID 4284 wrote to memory of 4524	4284	RdrCEF.exe	96
PID 4284 wrote to memory of 4524	4284	RdrCEF.exe	96
PID 4284 wrote to memory of 4524	4284	RdrCEF.exe	96
PID 4284 wrote to memory of 4524	4284	RdrCEF.exe	96
PID 4284 wrote to memory of 4524	4284	RdrCEF.exe	96
PID 4284 wrote to memory of 4524	4284	RdrCEF.exe	96
PID 4284 wrote to memory of 4524	4284	RdrCEF.exe	96
PID 4284 wrote to memory of 4524	4284	RdrCEF.exe	96
PID 4284 wrote to memory of 4524	4284	RdrCEF.exe	96
PID 4284 wrote to memory of 4524	4284	RdrCEF.exe	96
PID 4284 wrote to memory of 4524	4284	RdrCEF.exe	96
PID 4284 wrote to memory of 4524	4284	RdrCEF.exe	96
PID 4284 wrote to memory of 4524	4284	RdrCEF.exe	96
PID 4284 wrote to memory of 4524	4284	RdrCEF.exe	96
PID 4284 wrote to memory of 4524	4284	RdrCEF.exe	96
PID 4284 wrote to memory of 4524	4284	RdrCEF.exe	96
PID 4284 wrote to memory of 4524	4284	RdrCEF.exe	96

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\0248c25d4fa3ec299166d1cf38d78149.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5104
- 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:4284
- - 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=563EA85C29D4BACBD2B9339CA46A33E1 --mojo-platform-channel-handle=1712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1456
- - 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=DAFB21649CB07960B122E7A117E77645 --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=DAFB21649CB07960B122E7A117E77645 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    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" --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=34B94E08075B5BCC8B52C2BD944AF3D8 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3528
- - 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=A22AE7EAFB9ED89BF434FAC27D608A05 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2364
- - 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=20BC5A189533F0149DB1B8C92F54A3AD --mojo-platform-channel-handle=1704 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4404

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5028

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
36ad3544268fdf7eb11c6c2d7f413934

SHA1
93899294b8d038269ff4e7770ed3ecc41af6a68c

SHA256
590a2db54c635c1013098bc55738c453c3ee993252d86b7897128e2ddcd52134

SHA512
6a48a99bc17f714e206e019e0d2b6cc51cb4aea985669a8363308166e479ca243185ee3a7f5f1a8cafbf8b7628b3089321897425a0b7efb00910a9fab97dfd68

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
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit