ea2a976e41cbf098ca6dea82d437d045b6867bd6fbe254e8374659e2cf2a9f04

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 16:10

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General

Target

9c1b40bbd1c0705c9e4d1925f7197e63.pdf
Size

45KB
MD5

9c1b40bbd1c0705c9e4d1925f7197e63
SHA1

a16200a8cde9580fb08c97cd2cfbe0915cb2bb29
SHA256

ea2a976e41cbf098ca6dea82d437d045b6867bd6fbe254e8374659e2cf2a9f04
SHA512

ba137eb0b0e744124ee709d77a8f5aa604f1502fc88cee69ed7165a09ca286ce9503b957e1e247a30173aa1dc66bfad0d5fc008d8e1fa17f1f95a92cbdd0b48d
SSDEEP

768:EiTLNJ1lIGi1JhTnbyA5ptiJ4VUVRWybNF5h+E+o7PppRSnw7halPV1g1V:EGTvCJhTr5rGbyUF5h+E+otpEwlkDg1V

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3648	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe
3648	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3648 wrote to memory of 2252	3648	AcroRd32.exe	83
PID 3648 wrote to memory of 2252	3648	AcroRd32.exe	83
PID 3648 wrote to memory of 2252	3648	AcroRd32.exe	83
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 1628	2252	RdrCEF.exe	84
PID 2252 wrote to memory of 3476	2252	RdrCEF.exe	85
PID 2252 wrote to memory of 3476	2252	RdrCEF.exe	85
PID 2252 wrote to memory of 3476	2252	RdrCEF.exe	85
PID 2252 wrote to memory of 3476	2252	RdrCEF.exe	85
PID 2252 wrote to memory of 3476	2252	RdrCEF.exe	85
PID 2252 wrote to memory of 3476	2252	RdrCEF.exe	85
PID 2252 wrote to memory of 3476	2252	RdrCEF.exe	85
PID 2252 wrote to memory of 3476	2252	RdrCEF.exe	85
PID 2252 wrote to memory of 3476	2252	RdrCEF.exe	85
PID 2252 wrote to memory of 3476	2252	RdrCEF.exe	85
PID 2252 wrote to memory of 3476	2252	RdrCEF.exe	85
PID 2252 wrote to memory of 3476	2252	RdrCEF.exe	85
PID 2252 wrote to memory of 3476	2252	RdrCEF.exe	85
PID 2252 wrote to memory of 3476	2252	RdrCEF.exe	85
PID 2252 wrote to memory of 3476	2252	RdrCEF.exe	85
PID 2252 wrote to memory of 3476	2252	RdrCEF.exe	85
PID 2252 wrote to memory of 3476	2252	RdrCEF.exe	85
PID 2252 wrote to memory of 3476	2252	RdrCEF.exe	85
PID 2252 wrote to memory of 3476	2252	RdrCEF.exe	85
PID 2252 wrote to memory of 3476	2252	RdrCEF.exe	85

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\9c1b40bbd1c0705c9e4d1925f7197e63.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:3648
- 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:2252
- - 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=AC206C9F04449AF3A0660A3BD527166F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1628
- - 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=CD81D1BD487F4C233CBB31797C5C3086 --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=CD81D1BD487F4C233CBB31797C5C3086 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3476
- - 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=1F83F5B9FF643D3D367CE385C4FEAD50 --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=1F83F5B9FF643D3D367CE385C4FEAD50 --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3540
- - 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=A89E6A9EF94398E3CD6C36B4240BAEC7 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2856
- - 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=4929DE216CCC046D51B16F73D4ECABB0 --mojo-platform-channel-handle=2708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1408
- - 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=1FD23244E6203FE91661308C63A8C5F2 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1524

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
d4468b85dee1959b2d0d740fd041d795

SHA1
5fb0c5d3e14f4a6cb5b590b8566c458d455379be

SHA256
ace15d143b52d8c704a30351c2fae55fb150764e8ea7df4d112f1b4140b4ccf8

SHA512
aaa4634203de0868549114d57236cb7352b3ed818034089d0ed36fb9291c08f2d40420c69b28677e3e085701dcf61f937b2875f2d4afe8d9214fb3e47624705a

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit