58fda7d591605e404edc6e0c9bdddda1489cf3de54c5ecf36098d395921bdc5e

Analysis

max time kernel
151s
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
26/12/2023, 12:47

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General

Target

6fa67cfff53c12ffa222b7d2a656830b.pdf
Size

14KB
MD5

6fa67cfff53c12ffa222b7d2a656830b
SHA1

cf6442b5a0ca3d6e6eeeb8bd8e6b7202eac003a5
SHA256

58fda7d591605e404edc6e0c9bdddda1489cf3de54c5ecf36098d395921bdc5e
SHA512

018b50e68631d4e54356edc4483c8428d7ae5558dfe8425b7777e0abeb1ae9cecab534fd2463367fb82109398b88748e2f3aa5f12b17380a514e6b69adcc7572
SSDEEP

384:phzaNwAO9GiK0CyoG11RTnPD4rQi/60G7Avzv8:XhZGiK0CJGlHsQC6dazU

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
1804	AcroRd32.exe
1804	AcroRd32.exe
1804	AcroRd32.exe
1804	AcroRd32.exe
1804	AcroRd32.exe
1804	AcroRd32.exe
1804	AcroRd32.exe
1804	AcroRd32.exe
1804	AcroRd32.exe
1804	AcroRd32.exe
1804	AcroRd32.exe
1804	AcroRd32.exe
1804	AcroRd32.exe
1804	AcroRd32.exe
1804	AcroRd32.exe
1804	AcroRd32.exe
1804	AcroRd32.exe
1804	AcroRd32.exe
1804	AcroRd32.exe
1804	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1804	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1804	AcroRd32.exe
1804	AcroRd32.exe
1804	AcroRd32.exe
1804	AcroRd32.exe
1804	AcroRd32.exe
1804	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 3788	1804	AcroRd32.exe	95
PID 1804 wrote to memory of 3788	1804	AcroRd32.exe	95
PID 1804 wrote to memory of 3788	1804	AcroRd32.exe	95
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 1828	3788	RdrCEF.exe	97
PID 3788 wrote to memory of 2716	3788	RdrCEF.exe	98
PID 3788 wrote to memory of 2716	3788	RdrCEF.exe	98
PID 3788 wrote to memory of 2716	3788	RdrCEF.exe	98
PID 3788 wrote to memory of 2716	3788	RdrCEF.exe	98
PID 3788 wrote to memory of 2716	3788	RdrCEF.exe	98
PID 3788 wrote to memory of 2716	3788	RdrCEF.exe	98
PID 3788 wrote to memory of 2716	3788	RdrCEF.exe	98
PID 3788 wrote to memory of 2716	3788	RdrCEF.exe	98
PID 3788 wrote to memory of 2716	3788	RdrCEF.exe	98
PID 3788 wrote to memory of 2716	3788	RdrCEF.exe	98
PID 3788 wrote to memory of 2716	3788	RdrCEF.exe	98
PID 3788 wrote to memory of 2716	3788	RdrCEF.exe	98
PID 3788 wrote to memory of 2716	3788	RdrCEF.exe	98
PID 3788 wrote to memory of 2716	3788	RdrCEF.exe	98
PID 3788 wrote to memory of 2716	3788	RdrCEF.exe	98
PID 3788 wrote to memory of 2716	3788	RdrCEF.exe	98
PID 3788 wrote to memory of 2716	3788	RdrCEF.exe	98
PID 3788 wrote to memory of 2716	3788	RdrCEF.exe	98
PID 3788 wrote to memory of 2716	3788	RdrCEF.exe	98
PID 3788 wrote to memory of 2716	3788	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\6fa67cfff53c12ffa222b7d2a656830b.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:1804
- 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:3788
- - 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=358A837687BA1A0366E9D0E4C7E57FDE --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1828
- - 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=83DE82AC1C5AF3445AB6ACD995C53212 --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=83DE82AC1C5AF3445AB6ACD995C53212 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2716
- - 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=4EECA96EEBCFF463715F9F8369F0CDA9 --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=4EECA96EEBCFF463715F9F8369F0CDA9 --renderer-client-id=4 --mojo-platform-channel-handle=2164 --allow-no-sandbox-job /prefetch:1
    3⤵
    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" --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=1892E335BE176EE88BE3810E7B403B57 --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3940
- - 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=0C25EA3FD998722454B1C7E4BFF836BC --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1336
- - 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=7E6F593B7BF3CB51C59676A82FFB1C0A --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:636

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
2492341f0a268320d04b04eed5356659

SHA1
4d1310cf16b21b12aa19398e7fc49b09bcb653ec

SHA256
e0d918940aa76042d39aa92cebd961eae57d6a93093b344c574a525281241b83

SHA512
095ebc4c449e291c1347381e81c79df3c263a3ee87c2183f659965c978fded7e9bdd287c77c39f0d0d45a649c34972bd2b4d52b4f954cec440e579133bb45cda

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