272c6f57d0591fcb7316952612b28c9d02ae245d45c7919121442daa27a342c0

Analysis

max time kernel
145s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 10:51

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General

Target

1673af4f9f1c5ea96c66bf0fec514703.pdf
Size

70KB
MD5

1673af4f9f1c5ea96c66bf0fec514703
SHA1

805178b6e80934eb4c2e1dfe29d7a6756d47562b
SHA256

272c6f57d0591fcb7316952612b28c9d02ae245d45c7919121442daa27a342c0
SHA512

b6fac83cf117647ffa92e0132818e960f70f1fe5d2fd600b4b666c685fe16abb93667891aaee1be297a491b4807cbf7c387b348bf0e95248161a55b296eb2a88
SSDEEP

1536:H2Dl3EU/0wS2T5vhQmS8HvlCvExs7aWINz0vbvqGKbV2o3DyDW1yrV:WZ30A5vhQ189CvzjIZ2jtKbIo3DyS1W

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
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1496	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe
1496	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1496 wrote to memory of 1948	1496	AcroRd32.exe	89
PID 1496 wrote to memory of 1948	1496	AcroRd32.exe	89
PID 1496 wrote to memory of 1948	1496	AcroRd32.exe	89
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 4340	1948	RdrCEF.exe	91
PID 1948 wrote to memory of 1280	1948	RdrCEF.exe	90
PID 1948 wrote to memory of 1280	1948	RdrCEF.exe	90
PID 1948 wrote to memory of 1280	1948	RdrCEF.exe	90
PID 1948 wrote to memory of 1280	1948	RdrCEF.exe	90
PID 1948 wrote to memory of 1280	1948	RdrCEF.exe	90
PID 1948 wrote to memory of 1280	1948	RdrCEF.exe	90
PID 1948 wrote to memory of 1280	1948	RdrCEF.exe	90
PID 1948 wrote to memory of 1280	1948	RdrCEF.exe	90
PID 1948 wrote to memory of 1280	1948	RdrCEF.exe	90
PID 1948 wrote to memory of 1280	1948	RdrCEF.exe	90
PID 1948 wrote to memory of 1280	1948	RdrCEF.exe	90
PID 1948 wrote to memory of 1280	1948	RdrCEF.exe	90
PID 1948 wrote to memory of 1280	1948	RdrCEF.exe	90
PID 1948 wrote to memory of 1280	1948	RdrCEF.exe	90
PID 1948 wrote to memory of 1280	1948	RdrCEF.exe	90
PID 1948 wrote to memory of 1280	1948	RdrCEF.exe	90
PID 1948 wrote to memory of 1280	1948	RdrCEF.exe	90
PID 1948 wrote to memory of 1280	1948	RdrCEF.exe	90
PID 1948 wrote to memory of 1280	1948	RdrCEF.exe	90
PID 1948 wrote to memory of 1280	1948	RdrCEF.exe	90

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\1673af4f9f1c5ea96c66bf0fec514703.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:1496
- 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:1948
- - 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=DC9F220F2B97C9306A662D6D301AE3D8 --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=DC9F220F2B97C9306A662D6D301AE3D8 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1280
- - 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=A62D90FC5C5F95A3302FBF25CA3D2EBE --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4340
- - 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=0E0D8D0E6E55458DBAFB7394E2042569 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:720
- - 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=0E8B5A1A7BB76B98036EE947F54B390D --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4068
- - 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=A440C3F110D7FCADEE559D99A9FA5699 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2004
- - 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=5DFE6A7AACB9AEE82EB0D0682FECE0C2 --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=5DFE6A7AACB9AEE82EB0D0682FECE0C2 --renderer-client-id=6 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3608

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3328

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
d9f3ac7cabd2da4b08efec6e14a1ee1f

SHA1
10e0cb2602505d56ead0c304780ccb18f6f3febf

SHA256
2079d7b92d6c6c11c36966e505846b107dd4c179d0559053e9cbca24122a92e9

SHA512
59dc8a7461df1e62537f4e528ab3c38270032b70714f9663761dde81a133e702fce55e3f69b409f0eb8d38629f59fc5ef5f7be6685eea2d58990c64c6e0e73b5

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