6e99996de5095543a1e9b45089dfdf5d9d8a8ed2873ed8987eb710260111b229

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
09/01/2024, 09:40

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General

Target

4dfabc8cca9ccd862fafa63307f8771d.pdf
Size

79KB
MD5

4dfabc8cca9ccd862fafa63307f8771d
SHA1

eeaffaedb4f30013d2675f086994cd2a8e186892
SHA256

6e99996de5095543a1e9b45089dfdf5d9d8a8ed2873ed8987eb710260111b229
SHA512

0df31a53e1f382a9f941db91689d0feb04f6a040353ce14a7c9ecf4806c83f51ba3c1ebb66224a9aea398800716e68af9bad355805c6db8a345b98a301801195
SSDEEP

1536:NFIaboqk4vv7GF4iZSOpsklWktDrIb4cFv3sPrDJ5WwpOS54A2:XDoqkov7i4iZSOSk5t8v3sT9wS6

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
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
548	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe
548	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 2252	548	AcroRd32.exe	94
PID 548 wrote to memory of 2252	548	AcroRd32.exe	94
PID 548 wrote to memory of 2252	548	AcroRd32.exe	94
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1820	2252	RdrCEF.exe	98
PID 2252 wrote to memory of 1280	2252	RdrCEF.exe	99
PID 2252 wrote to memory of 1280	2252	RdrCEF.exe	99
PID 2252 wrote to memory of 1280	2252	RdrCEF.exe	99
PID 2252 wrote to memory of 1280	2252	RdrCEF.exe	99
PID 2252 wrote to memory of 1280	2252	RdrCEF.exe	99
PID 2252 wrote to memory of 1280	2252	RdrCEF.exe	99
PID 2252 wrote to memory of 1280	2252	RdrCEF.exe	99
PID 2252 wrote to memory of 1280	2252	RdrCEF.exe	99
PID 2252 wrote to memory of 1280	2252	RdrCEF.exe	99
PID 2252 wrote to memory of 1280	2252	RdrCEF.exe	99
PID 2252 wrote to memory of 1280	2252	RdrCEF.exe	99
PID 2252 wrote to memory of 1280	2252	RdrCEF.exe	99
PID 2252 wrote to memory of 1280	2252	RdrCEF.exe	99
PID 2252 wrote to memory of 1280	2252	RdrCEF.exe	99
PID 2252 wrote to memory of 1280	2252	RdrCEF.exe	99
PID 2252 wrote to memory of 1280	2252	RdrCEF.exe	99
PID 2252 wrote to memory of 1280	2252	RdrCEF.exe	99
PID 2252 wrote to memory of 1280	2252	RdrCEF.exe	99
PID 2252 wrote to memory of 1280	2252	RdrCEF.exe	99
PID 2252 wrote to memory of 1280	2252	RdrCEF.exe	99

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\4dfabc8cca9ccd862fafa63307f8771d.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:548
- 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:2252
- - 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=EDCCBB292CBB2834C4CCC52429B70DE2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1820
- - 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=0FE781BD063EBA831E1612FB9A9AB6F8 --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=0FE781BD063EBA831E1612FB9A9AB6F8 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1280
- - 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=14F5F1389BF58EAB9D107EB9234C7564 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4824
- - 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=DE4ED50706CDE1BF9C371B1CD4E45DDC --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=DE4ED50706CDE1BF9C371B1CD4E45DDC --renderer-client-id=5 --mojo-platform-channel-handle=1952 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2928
- - 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=577D46BB43BB25BF228E7001F8D6CAC1 --mojo-platform-channel-handle=2616 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1460
- - 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=BD86AEB5820DE27D510CBBB96D3C59BF --mojo-platform-channel-handle=2364 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4764

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1180

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
53adbcf29a9e5722f14a6e050bbc019c

SHA1
626fe855fa957b89b2617d535f1c1dc074bf6c63

SHA256
9043348aa678633b0241255680af1de47e0127b40bce0eb7562cd4740e41503d

SHA512
daadd10622f699d856e492676c90a2b01c94b014066656aad843a3ef9ab0db01aaaf237663e4a25c116e0e0e0bc404e343e1fc73b0e9b2f13f7a9ff6b9dfea2b

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