903392f0648a13734fed21a286743f591b90a20533994a0bd72190d8c9ba418c

Analysis

max time kernel
149s
max time network
133s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
06/01/2024, 19:27

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General

Target

4701e2ef6f2730dad52578256a520b4f.pdf
Size

84KB
MD5

4701e2ef6f2730dad52578256a520b4f
SHA1

5eb11172b54b694516850ccb2a0ee2c1dbe74b1d
SHA256

903392f0648a13734fed21a286743f591b90a20533994a0bd72190d8c9ba418c
SHA512

290230e00ad30e49b9ff600e6073d8e6dcd422016391a245deaec8efcdd71b3edd35daab071dc535af8b06d0572ed40defc5106d8cb91fda13aaf0d8d6119fd0
SSDEEP

1536:dI5s+LJ1n1eOtX7Avk4T6nVojWHpOvTWMfgT0HXiBUSzluy:/m11ey7YXDBvjmOXiSCl

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2208	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe
2208	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 4816	2208	AcroRd32.exe	92
PID 2208 wrote to memory of 4816	2208	AcroRd32.exe	92
PID 2208 wrote to memory of 4816	2208	AcroRd32.exe	92
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3824	4816	RdrCEF.exe	94
PID 4816 wrote to memory of 3728	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 3728	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 3728	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 3728	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 3728	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 3728	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 3728	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 3728	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 3728	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 3728	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 3728	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 3728	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 3728	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 3728	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 3728	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 3728	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 3728	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 3728	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 3728	4816	RdrCEF.exe	93
PID 4816 wrote to memory of 3728	4816	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\4701e2ef6f2730dad52578256a520b4f.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:2208
- 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:4816
- - 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=91FB409A4C32EE8CDFB9724ED4BD25E2 --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=91FB409A4C32EE8CDFB9724ED4BD25E2 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3728
- - 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=019C5A0158F884F24316C484E7BAFCF5 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3824
- - 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=33DC8962D91BCDE2C83C7883F3877DEB --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2996
- - 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=286E2D1AC5298CA18BF76C4229939608 --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=286E2D1AC5298CA18BF76C4229939608 --renderer-client-id=6 --mojo-platform-channel-handle=2524 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2904
- - 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=60449404FDDA99F61BCF2A63C1533318 --mojo-platform-channel-handle=2420 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2664
- - 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=E717F4F7E190B2083CD7C46DFD7A2DF1 --mojo-platform-channel-handle=2748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1972

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1600

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
946cfc8f65c3bd170b3b2ff6fd30804e

SHA1
e3cd0b407e8251c5ac7bbd8fdf96636d1fef382b

SHA256
539070ed23e29b9a4f9032c4f0301f16f525fa8b238443e7d9322265a0b34394

SHA512
23463c85e5d0225cd7b3fda5cea94be7eb2a964a3e173266b4a95c094bd211c3efc9c9fe7085b9846e84788bab32671498be0695999516316ef4fbb0cadbd383

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/2208-28-0x000000000BC10000-0x000000000BC31000-memory.dmp

Filesize
132KB

Download