a96fe9fa489c0e29f2157258bef3d0adfca3540f224458c4288fa7185626159b

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
11/01/2024, 20:15

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General

Target

54793b56d2e39e90a67bd0e37bcb8d97.pdf
Size

87KB
MD5

54793b56d2e39e90a67bd0e37bcb8d97
SHA1

f113a8a04b27f02b331f7a13fef50bfa37a980c5
SHA256

a96fe9fa489c0e29f2157258bef3d0adfca3540f224458c4288fa7185626159b
SHA512

f690f47c6106d3c0ee3f90c3248eb555e73a510ed1c4fa5e8b43676e8afd3afcbd57544a2fdea2327b32f4517a9fc2e3ab206d23358e6ebf6d87f17764e6eb7f
SSDEEP

1536:Sd2u7/ZFrsf9KO8Ei+g42L44Sx/IAZlwXoL6MWLF383p+A+jW6pOu2FHzfwh+hEB:yfFrvRXP7Sx/VuXPfA4zou2lfwhkU

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
996	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 996 wrote to memory of 4788	996	AcroRd32.exe	92
PID 996 wrote to memory of 4788	996	AcroRd32.exe	92
PID 996 wrote to memory of 4788	996	AcroRd32.exe	92
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 3928	4788	RdrCEF.exe	94
PID 4788 wrote to memory of 4240	4788	RdrCEF.exe	93
PID 4788 wrote to memory of 4240	4788	RdrCEF.exe	93
PID 4788 wrote to memory of 4240	4788	RdrCEF.exe	93
PID 4788 wrote to memory of 4240	4788	RdrCEF.exe	93
PID 4788 wrote to memory of 4240	4788	RdrCEF.exe	93
PID 4788 wrote to memory of 4240	4788	RdrCEF.exe	93
PID 4788 wrote to memory of 4240	4788	RdrCEF.exe	93
PID 4788 wrote to memory of 4240	4788	RdrCEF.exe	93
PID 4788 wrote to memory of 4240	4788	RdrCEF.exe	93
PID 4788 wrote to memory of 4240	4788	RdrCEF.exe	93
PID 4788 wrote to memory of 4240	4788	RdrCEF.exe	93
PID 4788 wrote to memory of 4240	4788	RdrCEF.exe	93
PID 4788 wrote to memory of 4240	4788	RdrCEF.exe	93
PID 4788 wrote to memory of 4240	4788	RdrCEF.exe	93
PID 4788 wrote to memory of 4240	4788	RdrCEF.exe	93
PID 4788 wrote to memory of 4240	4788	RdrCEF.exe	93
PID 4788 wrote to memory of 4240	4788	RdrCEF.exe	93
PID 4788 wrote to memory of 4240	4788	RdrCEF.exe	93
PID 4788 wrote to memory of 4240	4788	RdrCEF.exe	93
PID 4788 wrote to memory of 4240	4788	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\54793b56d2e39e90a67bd0e37bcb8d97.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:996
- 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:4788
- - 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=6C7A4816CF767B6D5E2272BF87EF5D55 --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=6C7A4816CF767B6D5E2272BF87EF5D55 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4240
- - 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=CAC3F96A74D8DEB4FC8F0A5EDB8C8474 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3928
- - 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=424C30DBCBA24089EB8E474F3A3F41C6 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:632
- - 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=225CB0D163F2C1F3E2B333A7B3DF236C --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=225CB0D163F2C1F3E2B333A7B3DF236C --renderer-client-id=6 --mojo-platform-channel-handle=1816 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3608
- - 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=43CD251AB3AA264F6B64DE3BA2898C57 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3792
- - 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=3912944FB224D8C1AF540A01B55664D4 --mojo-platform-channel-handle=2888 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2580

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3688

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
873bd665cee58a06550a5b3bb8d9316f

SHA1
cf441554288b32aaaf38b66c99e2e153b73293b2

SHA256
7429bcac3e23f3642b015c9bb58bc6e993df9b52e4b7f7f04ad7f600f9c2cb82

SHA512
2c7dc76d8322b49dea2b86157d04600fdb7cba5cd72c3fbb937b1f65aa16efae2938fa822fce9842730c49efbf26b9395381125bbcb1f0fcdd2c66fc87b96fd7

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