9aecd67b4578340240723c97b12fa1b4e6c5e7b25ff6134832bd6567ad320983

Analysis

max time kernel
148s
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
09/01/2024, 16:24

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General

Target

4eca73b62c23ec0abc0dd2e7e89c7412.pdf
Size

101KB
MD5

4eca73b62c23ec0abc0dd2e7e89c7412
SHA1

5cab62f40b50de249245a21157da21a82409f25b
SHA256

9aecd67b4578340240723c97b12fa1b4e6c5e7b25ff6134832bd6567ad320983
SHA512

d8c602f098f83b45326170f2dcf47b6cab4fd94c5eda4cb4a8b645c9aaf96674e55c64ab4f91cdc20e32aad85d371c5e09bfcbecb454a0c1f6f35f01c7e28c28
SSDEEP

3072:KQmCRf8qUfQZchW45KWSfWwBywZH6DDy6a2:Kf0frLUW5WcaDZd

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
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1844	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe
1844	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1844 wrote to memory of 2536	1844	AcroRd32.exe	94
PID 1844 wrote to memory of 2536	1844	AcroRd32.exe	94
PID 1844 wrote to memory of 2536	1844	AcroRd32.exe	94
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 4564	2536	RdrCEF.exe	95
PID 2536 wrote to memory of 3536	2536	RdrCEF.exe	96
PID 2536 wrote to memory of 3536	2536	RdrCEF.exe	96
PID 2536 wrote to memory of 3536	2536	RdrCEF.exe	96
PID 2536 wrote to memory of 3536	2536	RdrCEF.exe	96
PID 2536 wrote to memory of 3536	2536	RdrCEF.exe	96
PID 2536 wrote to memory of 3536	2536	RdrCEF.exe	96
PID 2536 wrote to memory of 3536	2536	RdrCEF.exe	96
PID 2536 wrote to memory of 3536	2536	RdrCEF.exe	96
PID 2536 wrote to memory of 3536	2536	RdrCEF.exe	96
PID 2536 wrote to memory of 3536	2536	RdrCEF.exe	96
PID 2536 wrote to memory of 3536	2536	RdrCEF.exe	96
PID 2536 wrote to memory of 3536	2536	RdrCEF.exe	96
PID 2536 wrote to memory of 3536	2536	RdrCEF.exe	96
PID 2536 wrote to memory of 3536	2536	RdrCEF.exe	96
PID 2536 wrote to memory of 3536	2536	RdrCEF.exe	96
PID 2536 wrote to memory of 3536	2536	RdrCEF.exe	96
PID 2536 wrote to memory of 3536	2536	RdrCEF.exe	96
PID 2536 wrote to memory of 3536	2536	RdrCEF.exe	96
PID 2536 wrote to memory of 3536	2536	RdrCEF.exe	96
PID 2536 wrote to memory of 3536	2536	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\4eca73b62c23ec0abc0dd2e7e89c7412.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:1844
- 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:2536
- - 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=FD70C615FCE67183087CF75F50E5C547 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4564
- - 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=C547BF386308F2DEB5C881EC73984379 --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=C547BF386308F2DEB5C881EC73984379 --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=E8C46E4400EBC5E696057E5E5336541D --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4860
- - 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=4C3FB78545EE2A132DD2F57A575B5B34 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4472
- - 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=CECFF68C64A68AC286C14AEA21C43B08 --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=CECFF68C64A68AC286C14AEA21C43B08 --renderer-client-id=6 --mojo-platform-channel-handle=1984 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4392
- - 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=B28407BC00A680B8DF304042BEDEA70E --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3316

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:380

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
7ddd1cdb7d0e4ccc99dca788bdc5d7fa

SHA1
dd3e619ccfae11dad0b4cd532d8a1fa200403293

SHA256
b4f651a072b02d2e3508ea521b10d56ce5bd1d83f5b9b92ad72b0fe02edac315

SHA512
2b22dfe53ac3d800191a744f8f977450069ab9409d2ce3a5f86c72950a27f6ac10fade26e7c4140ff29eaabbeb4a6ad78a9aa7670bbffe23dc9a08ce3481ad09

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
memory/1844-27-0x000000000C310000-0x000000000C331000-memory.dmp

Filesize
132KB

Download