55f1403e7a91f1844d31585c0b565c45a9ba9c6062ccc40c3a1f20a1ff7e7564

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 22:44

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General

Target

55f1403e7a91f1844d31585c0b565c45a9ba9c6062ccc40c3a1f20a1ff7e7564.pdf
Size

189KB
MD5

dff629a36f83b367777ca367e0ec3487
SHA1

a5c84a0ec56921d2db3f39004873ee01ae53e398
SHA256

55f1403e7a91f1844d31585c0b565c45a9ba9c6062ccc40c3a1f20a1ff7e7564
SHA512

a85bfc37fd554e777558dc72bd266dbe665104b763486a89e74088dd668f91ea7be2531f8c095c8a6899fe7bb4cc65f22aebaa4552abd3bda65814aeffb4acb7
SSDEEP

3072:Fz895iGQLvRxjBGpP1hLKDuGOfwGwjyQ4GPW3aeZNpJWPp:Fz898GCDApP/KTEDsP5eLu

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-1-5-21-1414748551-1520717498-2956787782-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
180	AcroRd32.exe
180	AcroRd32.exe
180	AcroRd32.exe
180	AcroRd32.exe
180	AcroRd32.exe
180	AcroRd32.exe
180	AcroRd32.exe
180	AcroRd32.exe
180	AcroRd32.exe
180	AcroRd32.exe
180	AcroRd32.exe
180	AcroRd32.exe
180	AcroRd32.exe
180	AcroRd32.exe
180	AcroRd32.exe
180	AcroRd32.exe
180	AcroRd32.exe
180	AcroRd32.exe
180	AcroRd32.exe
180	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
180	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
180	AcroRd32.exe
180	AcroRd32.exe
180	AcroRd32.exe
180	AcroRd32.exe
180	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 180 wrote to memory of 1380	180	AcroRd32.exe	91
PID 180 wrote to memory of 1380	180	AcroRd32.exe	91
PID 180 wrote to memory of 1380	180	AcroRd32.exe	91
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2192	1380	RdrCEF.exe	92
PID 1380 wrote to memory of 2040	1380	RdrCEF.exe	93
PID 1380 wrote to memory of 2040	1380	RdrCEF.exe	93
PID 1380 wrote to memory of 2040	1380	RdrCEF.exe	93
PID 1380 wrote to memory of 2040	1380	RdrCEF.exe	93
PID 1380 wrote to memory of 2040	1380	RdrCEF.exe	93
PID 1380 wrote to memory of 2040	1380	RdrCEF.exe	93
PID 1380 wrote to memory of 2040	1380	RdrCEF.exe	93
PID 1380 wrote to memory of 2040	1380	RdrCEF.exe	93
PID 1380 wrote to memory of 2040	1380	RdrCEF.exe	93
PID 1380 wrote to memory of 2040	1380	RdrCEF.exe	93
PID 1380 wrote to memory of 2040	1380	RdrCEF.exe	93
PID 1380 wrote to memory of 2040	1380	RdrCEF.exe	93
PID 1380 wrote to memory of 2040	1380	RdrCEF.exe	93
PID 1380 wrote to memory of 2040	1380	RdrCEF.exe	93
PID 1380 wrote to memory of 2040	1380	RdrCEF.exe	93
PID 1380 wrote to memory of 2040	1380	RdrCEF.exe	93
PID 1380 wrote to memory of 2040	1380	RdrCEF.exe	93
PID 1380 wrote to memory of 2040	1380	RdrCEF.exe	93
PID 1380 wrote to memory of 2040	1380	RdrCEF.exe	93
PID 1380 wrote to memory of 2040	1380	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\55f1403e7a91f1844d31585c0b565c45a9ba9c6062ccc40c3a1f20a1ff7e7564.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:180
- 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:1380
- - 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=E309E14045F94366DAFF1DB516435E56 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2192
- - 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=EDB92EC8EC4AE89930DA7B213E81B01A --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=EDB92EC8EC4AE89930DA7B213E81B01A --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2040
- - 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=63E5E472367A5993005070299A81AC58 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3468
- - 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=741FC9DCC7BF25A0F740D2A9B77D9860 --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=741FC9DCC7BF25A0F740D2A9B77D9860 --renderer-client-id=5 --mojo-platform-channel-handle=2348 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3696
- - 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=CA8EF18FCF893F01B3697C37AE3BC444 --mojo-platform-channel-handle=2456 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4136
- - 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=6594726E99048B9D9E383979981CE700 --mojo-platform-channel-handle=1808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:820

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
a36b5a8345e081c1a8dc6815221b8102

SHA1
b6c0ac95f5cfa6baeb13987162162f6872655bfe

SHA256
0aaf555709cc3971aa1a58c90d9e3229f6e4d8138ebac915124fe261f6fa1836

SHA512
d0af47f1b47091db8f9de58cb577e6e58e12921fd0abd1a5730f8efeddb1a5709625efea669c2b4953276f5b36b12a50737c4dac7fe79bfeb6fc7840426ccd8e

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/180-28-0x0000000009A70000-0x0000000009A91000-memory.dmp

Filesize
132KB

Download