5f37945a1e44c339ce3be412dba3fa890c45a51ca4aca5bc6cbf14ae1bbb37a9

Analysis

max time kernel
144s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
14/01/2024, 18:41

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General

Target

5b9275fbe7701dc18cabfcef369c5854.pdf
Size

24KB
MD5

5b9275fbe7701dc18cabfcef369c5854
SHA1

c9044bebda24fd9e7442f7f4c65767b31df374a7
SHA256

5f37945a1e44c339ce3be412dba3fa890c45a51ca4aca5bc6cbf14ae1bbb37a9
SHA512

9dba554028cf505cc96660e97694ed326bb6abfdb9ba082ee1378b92e47e337e029ba923a0d4b0229cc890bae62ce8c012acd5d2fe0b2c82c95f70ea2c0e82e5
SSDEEP

384:rRr9CJ6eyhzMn6WvJIARgQhsSAApG8xvrs6h0mXWUaoCUS3Nhpt7yfyOtEV3DATC:rRAdOzk6azgYPv5vXWSeNhpJuERDAPoB

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2712	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe
2712	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2712 wrote to memory of 4720	2712	AcroRd32.exe	98
PID 2712 wrote to memory of 4720	2712	AcroRd32.exe	98
PID 2712 wrote to memory of 4720	2712	AcroRd32.exe	98
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 728	4720	RdrCEF.exe	99
PID 4720 wrote to memory of 3240	4720	RdrCEF.exe	100
PID 4720 wrote to memory of 3240	4720	RdrCEF.exe	100
PID 4720 wrote to memory of 3240	4720	RdrCEF.exe	100
PID 4720 wrote to memory of 3240	4720	RdrCEF.exe	100
PID 4720 wrote to memory of 3240	4720	RdrCEF.exe	100
PID 4720 wrote to memory of 3240	4720	RdrCEF.exe	100
PID 4720 wrote to memory of 3240	4720	RdrCEF.exe	100
PID 4720 wrote to memory of 3240	4720	RdrCEF.exe	100
PID 4720 wrote to memory of 3240	4720	RdrCEF.exe	100
PID 4720 wrote to memory of 3240	4720	RdrCEF.exe	100
PID 4720 wrote to memory of 3240	4720	RdrCEF.exe	100
PID 4720 wrote to memory of 3240	4720	RdrCEF.exe	100
PID 4720 wrote to memory of 3240	4720	RdrCEF.exe	100
PID 4720 wrote to memory of 3240	4720	RdrCEF.exe	100
PID 4720 wrote to memory of 3240	4720	RdrCEF.exe	100
PID 4720 wrote to memory of 3240	4720	RdrCEF.exe	100
PID 4720 wrote to memory of 3240	4720	RdrCEF.exe	100
PID 4720 wrote to memory of 3240	4720	RdrCEF.exe	100
PID 4720 wrote to memory of 3240	4720	RdrCEF.exe	100
PID 4720 wrote to memory of 3240	4720	RdrCEF.exe	100

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\5b9275fbe7701dc18cabfcef369c5854.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:2712
- 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:4720
- - 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=AE329E81070C45BEB57EE1015007C332 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:728
- - 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=36176277CD4C44CE833AA7DF771F3728 --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=36176277CD4C44CE833AA7DF771F3728 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3240
- - 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=054C2AF5F861818442AF1FDCA3D470C3 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3980
- - 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=618AA1F85AED7DD74F4582F724C7CABB --mojo-platform-channel-handle=1856 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4472
- - 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=9BC52BB8D5A8C1A68E1D346FB7C3CED8 --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=9BC52BB8D5A8C1A68E1D346FB7C3CED8 --renderer-client-id=6 --mojo-platform-channel-handle=2344 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:964
- - 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=0D35C1C5A12EC4EEE4E0D851D0876B08 --mojo-platform-channel-handle=2724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5004

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4672

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
9355ee66820fcdc8d129ec4a866dc0e0

SHA1
29a0521a02197d6246156564f824b701099a4f00

SHA256
245dfb78c7a6d2390d35fd564abf1680a6ee6082836b50d5b6f93eb8ed67f7c1

SHA512
2a40149e01eae42604ee5e40a74c88f416e2b7f80ce333685afab76823063e43a9c35af964c43b58fa7e00cf34f5ec7059a9a3eaf35860bd63e687a5bbe618c4

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