2c107468311110972dd86a86ddd7fe92a3377463cb67a8a0ec56787ef3b1aa50

Analysis

max time kernel
145s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2023 15:29

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General

Target

4f7745a2da85e0388b2962a4696c3b92.pdf
Size

50KB
MD5

4f7745a2da85e0388b2962a4696c3b92
SHA1

aa42cd35561e8b9da9055b5fe6b81fe4e028e67d
SHA256

2c107468311110972dd86a86ddd7fe92a3377463cb67a8a0ec56787ef3b1aa50
SHA512

fa7a4aee1c71febb0df9ee0bb3c1548e3653bbfa5d9a17e88512ab9ab0e12baf5b4597ed7e245cdaf649aaaa0ebc35cc710e4873121a08d1cbd1492a7e1fd3ed
SSDEEP

1536:IGJAxRAumSBMr3TtZSf9kriqe54O8T0vk:xoi+BMNYf9tmH

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
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe
4060	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4060 wrote to memory of 544	4060	AcroRd32.exe	92
PID 4060 wrote to memory of 544	4060	AcroRd32.exe	92
PID 4060 wrote to memory of 544	4060	AcroRd32.exe	92
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 920	544	RdrCEF.exe	93
PID 544 wrote to memory of 4800	544	RdrCEF.exe	94
PID 544 wrote to memory of 4800	544	RdrCEF.exe	94
PID 544 wrote to memory of 4800	544	RdrCEF.exe	94
PID 544 wrote to memory of 4800	544	RdrCEF.exe	94
PID 544 wrote to memory of 4800	544	RdrCEF.exe	94
PID 544 wrote to memory of 4800	544	RdrCEF.exe	94
PID 544 wrote to memory of 4800	544	RdrCEF.exe	94
PID 544 wrote to memory of 4800	544	RdrCEF.exe	94
PID 544 wrote to memory of 4800	544	RdrCEF.exe	94
PID 544 wrote to memory of 4800	544	RdrCEF.exe	94
PID 544 wrote to memory of 4800	544	RdrCEF.exe	94
PID 544 wrote to memory of 4800	544	RdrCEF.exe	94
PID 544 wrote to memory of 4800	544	RdrCEF.exe	94
PID 544 wrote to memory of 4800	544	RdrCEF.exe	94
PID 544 wrote to memory of 4800	544	RdrCEF.exe	94
PID 544 wrote to memory of 4800	544	RdrCEF.exe	94
PID 544 wrote to memory of 4800	544	RdrCEF.exe	94
PID 544 wrote to memory of 4800	544	RdrCEF.exe	94
PID 544 wrote to memory of 4800	544	RdrCEF.exe	94
PID 544 wrote to memory of 4800	544	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\4f7745a2da85e0388b2962a4696c3b92.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4060
- 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:544
- - 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=85FCD635EBF5C3960E5A52A9FA547B0E --mojo-platform-channel-handle=1664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:920
- - 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=51C59063326ED89E588F158CD9E13B30 --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=51C59063326ED89E588F158CD9E13B30 --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4800
- - 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=176F3EFD619969E2863E2D6049405976 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4976
- - 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=2A7F6555B2ECC2719C34ABFD93CC8C40 --mojo-platform-channel-handle=1848 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4508
- - 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=1FE9CD526FCBC040E8A21C2826E48797 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3448

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3460

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
c0e43fc30796cc6a30c59c3d9e6039a0

SHA1
95ade89e825f35e30d464ef6fe80d415813b476f

SHA256
3c916f73b7f8d2ecf62d0906136ca7a98faa8a19a93087fe2603faf7dae48dde

SHA512
7d43499c75b7e311cce074eacaa710528796727476d0fc3502bb20dda00b4590f4e7ef3c1f450b7086842b0ae84c246a47c78c94f4cbc5a47611f2c9dd09a022

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