864b874a545e6da7a864a57f55a48531d4c08c18937020709ad7e532c5b87afb

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2023 01:00

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General

Target

1ed0edefe63759a6158ad113b5a2d44c.pdf
Size

85KB
MD5

1ed0edefe63759a6158ad113b5a2d44c
SHA1

0c7d5831282373d23f76fd1459eef00b75447bb4
SHA256

864b874a545e6da7a864a57f55a48531d4c08c18937020709ad7e532c5b87afb
SHA512

0ccdc4907792a313e60dcd85ba8c563ede8e1c83530dd202928b825efb6437e3b292643148d506816a2e00614264195bb3a9083bf34754cc6b95024a70d0a596
SSDEEP

1536:Dn2OB5s8cEpfD0msZzhn4NRGs2GyZzpxLVFj4YeWQgKPDOoEoR6BOYWUpO7SSzv:73cEpIZzhn4fGrGwXLYNP6orR6BO77x

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4252	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe
4252	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4252 wrote to memory of 2384	4252	AcroRd32.exe	92
PID 4252 wrote to memory of 2384	4252	AcroRd32.exe	92
PID 4252 wrote to memory of 2384	4252	AcroRd32.exe	92
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 1032	2384	RdrCEF.exe	94
PID 2384 wrote to memory of 964	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 964	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 964	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 964	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 964	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 964	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 964	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 964	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 964	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 964	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 964	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 964	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 964	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 964	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 964	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 964	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 964	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 964	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 964	2384	RdrCEF.exe	93
PID 2384 wrote to memory of 964	2384	RdrCEF.exe	93

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\1ed0edefe63759a6158ad113b5a2d44c.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:4252
- 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:2384
- - 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=2F761375854E212AE17601889CB4332D --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=2F761375854E212AE17601889CB4332D --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:964
- - 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=9BB87F62AC4C8E9B8193275760DF8DE0 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1032
- - 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=65585664A08C66ED99FAD2FEF4864BA1 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3836
- - 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=A8937A7BF76CBCB52F944E498F19CC9A --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:396
- - 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=6798373BC1282F16374670BB96B9D9C8 --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=6798373BC1282F16374670BB96B9D9C8 --renderer-client-id=6 --mojo-platform-channel-handle=2392 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:976
- - 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=DCBA03EC3A2259424EE33A7408B48410 --mojo-platform-channel-handle=2452 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1784

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1476

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
32KB

MD5
0498f72e81ecc1bca0c1363aad3d469d

SHA1
d008539854bb7719aa3b38f0719f6998e357f109

SHA256
afa72a8763ec8fce85133171c3e272a608a3f67e0c703f48a21433d3486d3458

SHA512
d791e6e36d8aefbc8b42d8152de9c7d225aa4c4c8ad4613145223d8107133af0bf475d09c807adf539463420436c08de5853af734b6721e36a59bed66d4e6c29

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/4252-28-0x000000000C0E0000-0x000000000C101000-memory.dmp

Filesize
132KB

Download
memory/4252-26-0x000000000C0E0000-0x000000000C130000-memory.dmp

Filesize
320KB

Download