b64593a67c5d37567c5392c9f9e989adbc72bc95ccdb0807d58d1c02895e4fe1

Analysis

max time kernel
140s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
13/01/2024, 00:56

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General

Target

57900dd90d03602b1af919284a453329.pdf
Size

214KB
MD5

57900dd90d03602b1af919284a453329
SHA1

42ab91003afd84c8f5bbef5f7ecea1b659679554
SHA256

b64593a67c5d37567c5392c9f9e989adbc72bc95ccdb0807d58d1c02895e4fe1
SHA512

3c27df3b41870333b6e71ac3ffc0903261c09a34158e81a30fc103a0c68fceddbab716e9f47cd282dde9f9809e63a594d2a73a5b972e75975e55be311495d84b
SSDEEP

6144:Wx58VFh6FnPHvRh7zSgZDFh9bMnpCG/4hy4I5MT:Wx58VFh6Fnhh7zLF9bg9p5Y

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
4216	AcroRd32.exe
4216	AcroRd32.exe
4216	AcroRd32.exe
4216	AcroRd32.exe
4216	AcroRd32.exe
4216	AcroRd32.exe
4216	AcroRd32.exe
4216	AcroRd32.exe
4216	AcroRd32.exe
4216	AcroRd32.exe
4216	AcroRd32.exe
4216	AcroRd32.exe
4216	AcroRd32.exe
4216	AcroRd32.exe
4216	AcroRd32.exe
4216	AcroRd32.exe
4216	AcroRd32.exe
4216	AcroRd32.exe
4216	AcroRd32.exe
4216	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4216	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4216	AcroRd32.exe
4216	AcroRd32.exe
4216	AcroRd32.exe
4216	AcroRd32.exe
4216	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4216 wrote to memory of 1440	4216	AcroRd32.exe	96
PID 4216 wrote to memory of 1440	4216	AcroRd32.exe	96
PID 4216 wrote to memory of 1440	4216	AcroRd32.exe	96
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 2944	1440	RdrCEF.exe	97
PID 1440 wrote to memory of 4760	1440	RdrCEF.exe	98
PID 1440 wrote to memory of 4760	1440	RdrCEF.exe	98
PID 1440 wrote to memory of 4760	1440	RdrCEF.exe	98
PID 1440 wrote to memory of 4760	1440	RdrCEF.exe	98
PID 1440 wrote to memory of 4760	1440	RdrCEF.exe	98
PID 1440 wrote to memory of 4760	1440	RdrCEF.exe	98
PID 1440 wrote to memory of 4760	1440	RdrCEF.exe	98
PID 1440 wrote to memory of 4760	1440	RdrCEF.exe	98
PID 1440 wrote to memory of 4760	1440	RdrCEF.exe	98
PID 1440 wrote to memory of 4760	1440	RdrCEF.exe	98
PID 1440 wrote to memory of 4760	1440	RdrCEF.exe	98
PID 1440 wrote to memory of 4760	1440	RdrCEF.exe	98
PID 1440 wrote to memory of 4760	1440	RdrCEF.exe	98
PID 1440 wrote to memory of 4760	1440	RdrCEF.exe	98
PID 1440 wrote to memory of 4760	1440	RdrCEF.exe	98
PID 1440 wrote to memory of 4760	1440	RdrCEF.exe	98
PID 1440 wrote to memory of 4760	1440	RdrCEF.exe	98
PID 1440 wrote to memory of 4760	1440	RdrCEF.exe	98
PID 1440 wrote to memory of 4760	1440	RdrCEF.exe	98
PID 1440 wrote to memory of 4760	1440	RdrCEF.exe	98

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\57900dd90d03602b1af919284a453329.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:4216
- 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:1440
- - 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=6525DF2B259B72ADC3B3E7A0C56F39FD --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2944
- - 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=4DD894AEB000EA3D389FDE186B4DC76F --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=4DD894AEB000EA3D389FDE186B4DC76F --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4760
- - 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=9A266B3FE2F999610C6C2B58FC864A8E --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=9A266B3FE2F999610C6C2B58FC864A8E --renderer-client-id=4 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4104
- - 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=5AE5934BDED66B2D4ED9905C83E90190 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3100
- - 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=C2FB41DE17CE8A2065DAEF8A433084B0 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2912
- - 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=400B47B40D10B2941275EE3EF6681786 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3624

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
929d19d5edbf5ba29c2070f11a9cfec8

SHA1
698d294403cfa3d2e0752698ebb3d63eb1f2e83b

SHA256
53ea15fc25cce45b9a10346789721de0fcefbc7a3171bfa42b3a646880e8c5ad

SHA512
ec4d06429516e9c83fae66ffb8a1e294e6ae318fb863aa18e562c45937f1d5ada9b318b03d09880e8d7b3c7c88a587d8933886ec3799edca77be3d437532fd31

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
memory/4216-28-0x0000000010CA0000-0x0000000010CC1000-memory.dmp

Filesize
132KB

Download