b9224a420e726891215f599b12cefec91af27c5775a70c889a20caaaee84ccea

Analysis

max time kernel
144s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 04:22

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General

Target

6320a4e2b67f7275a9773eb45afced7b.pdf
Size

34KB
MD5

6320a4e2b67f7275a9773eb45afced7b
SHA1

68946d9b2a850d70c232e6644e0dc4dbcf26bb6d
SHA256

b9224a420e726891215f599b12cefec91af27c5775a70c889a20caaaee84ccea
SHA512

2e735d85de380da1e57c26eb6693bc91ab3379dda0c030d9ffd902f482b6fbc2e324fc9ed69e8808f23d77abf32ca1535ffd749de0c56660752af13b0d0e6759
SSDEEP

768:Ojq41YseqpVmlK0mc/xoB59r7kl77M2YOllmp7VZalE:OGbgVml0cJozZ4lfM11p7VZalE

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
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4084	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4084 wrote to memory of 4432	4084	AcroRd32.exe	91
PID 4084 wrote to memory of 4432	4084	AcroRd32.exe	91
PID 4084 wrote to memory of 4432	4084	AcroRd32.exe	91
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 3912	4432	RdrCEF.exe	92
PID 4432 wrote to memory of 5560	4432	RdrCEF.exe	93
PID 4432 wrote to memory of 5560	4432	RdrCEF.exe	93
PID 4432 wrote to memory of 5560	4432	RdrCEF.exe	93
PID 4432 wrote to memory of 5560	4432	RdrCEF.exe	93
PID 4432 wrote to memory of 5560	4432	RdrCEF.exe	93
PID 4432 wrote to memory of 5560	4432	RdrCEF.exe	93
PID 4432 wrote to memory of 5560	4432	RdrCEF.exe	93
PID 4432 wrote to memory of 5560	4432	RdrCEF.exe	93
PID 4432 wrote to memory of 5560	4432	RdrCEF.exe	93
PID 4432 wrote to memory of 5560	4432	RdrCEF.exe	93
PID 4432 wrote to memory of 5560	4432	RdrCEF.exe	93
PID 4432 wrote to memory of 5560	4432	RdrCEF.exe	93
PID 4432 wrote to memory of 5560	4432	RdrCEF.exe	93
PID 4432 wrote to memory of 5560	4432	RdrCEF.exe	93
PID 4432 wrote to memory of 5560	4432	RdrCEF.exe	93
PID 4432 wrote to memory of 5560	4432	RdrCEF.exe	93
PID 4432 wrote to memory of 5560	4432	RdrCEF.exe	93
PID 4432 wrote to memory of 5560	4432	RdrCEF.exe	93
PID 4432 wrote to memory of 5560	4432	RdrCEF.exe	93
PID 4432 wrote to memory of 5560	4432	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\6320a4e2b67f7275a9773eb45afced7b.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:4084
- 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:4432
- - 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=8783FC6AFC26F0013BDE82D744955E3B --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3912
- - 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=34C46DD95895B84CFAA73D172B97C79D --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=34C46DD95895B84CFAA73D172B97C79D --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5560
- - 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=E9BE34D0BB892D840AE9601C253582A9 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3992
- - 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=68022846B5508ACD6B4014557BECA0B1 --mojo-platform-channel-handle=1920 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2528
- - 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=1FE675A02FA484B98BFA4F4A0B37B001 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:6068
- - 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=D437EF2712DAD1B309CCB954F7A08B6B --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=D437EF2712DAD1B309CCB954F7A08B6B --renderer-client-id=7 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3448

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
0661d777da1afe038cadc5a212e8fbed

SHA1
6ee1d32ec2bb441eb50652dea370b1200dda769c

SHA256
da3e0391af9eec3e61637eee5eb39bc80438ac7e933b3c72e5941853c36ea656

SHA512
f579dc1a62c346edb0e3b36d9437bbad35e3f0efef335939f4d00f6bb2c30bdbabf2c0b9ba99f2c881c788a80b39fe55cbd7431af6d752a37f96c5d1e5f79a74

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