a2d9d36f1c383c9aa3ba1276f569d7da5052f63e39def4b36a1dc18f658b4bff

Analysis

max time kernel
140s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
02/06/2023, 20:13

Sharing

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General

Target

s.pdf
Size

141KB
MD5

a2bfeae804a74b8e4b3a0de4fbfb0068
SHA1

0c24f2f41cbda63a9be744fc7357893e885b77a3
SHA256

a2d9d36f1c383c9aa3ba1276f569d7da5052f63e39def4b36a1dc18f658b4bff
SHA512

2d45266c7208ef18ae20269c0f57b816d2e5f56024408d129a847e302dc3f52e61fd32f2ca46c22bcf73c65b987ae8319fd1330857abafe7e8a3b37575aab324
SSDEEP

3072:DlFbF1uJb7aY8P3QYYYYYYYYYYYYYYYYYYYYYYYYYYYYYEqPcOLbzsg3B1:Dnx1uJb7aYs3QYYYYYYYYYYYYYYYYYY0

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-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4108	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe
4108	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4108 wrote to memory of 2260	4108	AcroRd32.exe	78
PID 4108 wrote to memory of 2260	4108	AcroRd32.exe	78
PID 4108 wrote to memory of 2260	4108	AcroRd32.exe	78
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 5060	2260	RdrCEF.exe	79
PID 2260 wrote to memory of 3260	2260	RdrCEF.exe	80
PID 2260 wrote to memory of 3260	2260	RdrCEF.exe	80
PID 2260 wrote to memory of 3260	2260	RdrCEF.exe	80
PID 2260 wrote to memory of 3260	2260	RdrCEF.exe	80
PID 2260 wrote to memory of 3260	2260	RdrCEF.exe	80
PID 2260 wrote to memory of 3260	2260	RdrCEF.exe	80
PID 2260 wrote to memory of 3260	2260	RdrCEF.exe	80
PID 2260 wrote to memory of 3260	2260	RdrCEF.exe	80
PID 2260 wrote to memory of 3260	2260	RdrCEF.exe	80
PID 2260 wrote to memory of 3260	2260	RdrCEF.exe	80
PID 2260 wrote to memory of 3260	2260	RdrCEF.exe	80
PID 2260 wrote to memory of 3260	2260	RdrCEF.exe	80
PID 2260 wrote to memory of 3260	2260	RdrCEF.exe	80
PID 2260 wrote to memory of 3260	2260	RdrCEF.exe	80
PID 2260 wrote to memory of 3260	2260	RdrCEF.exe	80
PID 2260 wrote to memory of 3260	2260	RdrCEF.exe	80
PID 2260 wrote to memory of 3260	2260	RdrCEF.exe	80
PID 2260 wrote to memory of 3260	2260	RdrCEF.exe	80
PID 2260 wrote to memory of 3260	2260	RdrCEF.exe	80
PID 2260 wrote to memory of 3260	2260	RdrCEF.exe	80

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\s.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:4108
- 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:2260
- - 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=2801A929E761B03950E04263DE52A71E --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5060
- - 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=48338EECE8BFA2B4A95F67ADC58C13B2 --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=2 --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=48338EECE8BFA2B4A95F67ADC58C13B2 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3260
- - 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=796EC36C58A4D6099C18400B491EEE83 --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=2 --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=796EC36C58A4D6099C18400B491EEE83 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2680
- - 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=447AA5FE2EADBB0DC688F4DF0F5CE65F --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:560
- - 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=4937869D96DCAAF01D86090CC14651E7 --mojo-platform-channel-handle=1836 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4920
- - 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=5CEF66B18E4B586F7A32F730C6C8D085 --mojo-platform-channel-handle=2624 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1216

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4572

Network

MITRE ATT&CK Enterprise v6

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
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
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
a1412efca0f4eb9fd69a660025ee38b0

SHA1
1a54729155bf81c6509ad715f737215a13badae1

SHA256
4e96572c4f67894b8c6c71b3ba252ae3883b1c454bdf1d10942b36592d49d492

SHA512
e937719a0b2443c0a7a8f4474841339f7c98e094e2db5cb2644bb5f8e47e98abaff34d3701f45d21f351c2bc269befbbf85034f36fe381215d799b3ab44f29e7

Download Submit
memory/4108-161-0x000000000A780000-0x000000000A7A1000-memory.dmp

Filesize
132KB

Download