5047dcfdec11660f265c7383a2f0f23cab8bcd3b593ffeb9460db02a82ad6ccb

Analysis

max time kernel
171s
max time network
191s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 01:32

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General

Target

0a2ab45223491518976c5f25a1f88df3.pdf
Size

76KB
MD5

0a2ab45223491518976c5f25a1f88df3
SHA1

2d81022c79d080b2783b7bc558ae688a65179351
SHA256

5047dcfdec11660f265c7383a2f0f23cab8bcd3b593ffeb9460db02a82ad6ccb
SHA512

2c62cb4a24e78b736194eacf3fb666cf9e8e26bd0a79d9f953b87eee511bf28dd7d14876f3b8d742af87217d0d3bc13d8cc0a294a3fcb58b945e83d06fbaf97d
SSDEEP

1536:ZSU9G8uVVnSMFU54M4yjEGJpYHzQpxHWiccdmdLrAEkyRWUpO7pUx:wU9GnSmUqOIGjYHkzEcdmJcyU74

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4172	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe
4172	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4172 wrote to memory of 824	4172	AcroRd32.exe	92
PID 4172 wrote to memory of 824	4172	AcroRd32.exe	92
PID 4172 wrote to memory of 824	4172	AcroRd32.exe	92
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 2692	824	RdrCEF.exe	93
PID 824 wrote to memory of 440	824	RdrCEF.exe	94
PID 824 wrote to memory of 440	824	RdrCEF.exe	94
PID 824 wrote to memory of 440	824	RdrCEF.exe	94
PID 824 wrote to memory of 440	824	RdrCEF.exe	94
PID 824 wrote to memory of 440	824	RdrCEF.exe	94
PID 824 wrote to memory of 440	824	RdrCEF.exe	94
PID 824 wrote to memory of 440	824	RdrCEF.exe	94
PID 824 wrote to memory of 440	824	RdrCEF.exe	94
PID 824 wrote to memory of 440	824	RdrCEF.exe	94
PID 824 wrote to memory of 440	824	RdrCEF.exe	94
PID 824 wrote to memory of 440	824	RdrCEF.exe	94
PID 824 wrote to memory of 440	824	RdrCEF.exe	94
PID 824 wrote to memory of 440	824	RdrCEF.exe	94
PID 824 wrote to memory of 440	824	RdrCEF.exe	94
PID 824 wrote to memory of 440	824	RdrCEF.exe	94
PID 824 wrote to memory of 440	824	RdrCEF.exe	94
PID 824 wrote to memory of 440	824	RdrCEF.exe	94
PID 824 wrote to memory of 440	824	RdrCEF.exe	94
PID 824 wrote to memory of 440	824	RdrCEF.exe	94
PID 824 wrote to memory of 440	824	RdrCEF.exe	94

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\0a2ab45223491518976c5f25a1f88df3.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:4172
- 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:824
- - 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=D6C043F099E178272ED430DFEBBEF2D3 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2692
- - 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=E045345B756F6150BED09AD4E55D0CEC --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=E045345B756F6150BED09AD4E55D0CEC --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:440
- - 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=82F3959FB44E9EB85C788889295501E4 --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=82F3959FB44E9EB85C788889295501E4 --renderer-client-id=5 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1664
- - 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=21921DC014CB6F5771370D0BC28FF26A --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1368
- - 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=13AEC0679DDAB6C98AC3611B081C7EA9 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1464
- - 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=42C7CF33A8A99A83F5984D8AD7D68AF6 --mojo-platform-channel-handle=2608 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3980

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
731fc332bdcb277e7582f4bdfdd4815e

SHA1
80f7429e71c5be4bf49d98924a50c481e0ff0dc1

SHA256
1ed1f637d64ee6fb0d0a7f228ef20d9f22d1d9568cc1ee31dfe766a899190257

SHA512
93482cd592c400218420c050f2b55a6627ddea96112ad55a56a284e24402cb231ef89520d4eec9a3a439c599b8555c0c81e639d6aa5f70b0d94d204d9cb2a56b

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