2b4cb75fa6035cd667d9accf39ac8e2d0f959a1c3fb5ae47e98c664cef482f82

Analysis

max time kernel
140s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 21:41

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General

Target

1d571dbc42be0f69a341f617ba0ad35e.pdf
Size

79KB
MD5

1d571dbc42be0f69a341f617ba0ad35e
SHA1

26cd14a11a92dceb1ecf4e240ae9a14230756a2c
SHA256

2b4cb75fa6035cd667d9accf39ac8e2d0f959a1c3fb5ae47e98c664cef482f82
SHA512

af6e2f675d34d82b84dc15cd005107f1379f8aba1adcd3126b0eae45713a92d1dd8225647518ef9934882c5408b7eedb6b94284c17aa1817fe7c74b00ed88f87
SSDEEP

1536:3lQV+4ge+N51uHrOMT9AbFbFdcw8wTTAICnBMq3y256tONsHrI3wA:iVD25UHaq98FbF0ITAIYBtC28tUsHcH

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
460	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe
460	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 460 wrote to memory of 4824	460	AcroRd32.exe	90
PID 460 wrote to memory of 4824	460	AcroRd32.exe	90
PID 460 wrote to memory of 4824	460	AcroRd32.exe	90
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 4028	4824	RdrCEF.exe	91
PID 4824 wrote to memory of 1680	4824	RdrCEF.exe	92
PID 4824 wrote to memory of 1680	4824	RdrCEF.exe	92
PID 4824 wrote to memory of 1680	4824	RdrCEF.exe	92
PID 4824 wrote to memory of 1680	4824	RdrCEF.exe	92
PID 4824 wrote to memory of 1680	4824	RdrCEF.exe	92
PID 4824 wrote to memory of 1680	4824	RdrCEF.exe	92
PID 4824 wrote to memory of 1680	4824	RdrCEF.exe	92
PID 4824 wrote to memory of 1680	4824	RdrCEF.exe	92
PID 4824 wrote to memory of 1680	4824	RdrCEF.exe	92
PID 4824 wrote to memory of 1680	4824	RdrCEF.exe	92
PID 4824 wrote to memory of 1680	4824	RdrCEF.exe	92
PID 4824 wrote to memory of 1680	4824	RdrCEF.exe	92
PID 4824 wrote to memory of 1680	4824	RdrCEF.exe	92
PID 4824 wrote to memory of 1680	4824	RdrCEF.exe	92
PID 4824 wrote to memory of 1680	4824	RdrCEF.exe	92
PID 4824 wrote to memory of 1680	4824	RdrCEF.exe	92
PID 4824 wrote to memory of 1680	4824	RdrCEF.exe	92
PID 4824 wrote to memory of 1680	4824	RdrCEF.exe	92
PID 4824 wrote to memory of 1680	4824	RdrCEF.exe	92
PID 4824 wrote to memory of 1680	4824	RdrCEF.exe	92

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\1d571dbc42be0f69a341f617ba0ad35e.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:460
- 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: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=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=A99DF9DA989008F9B1E673B128202320 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4028
- - 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=CF6BAAE62E2205578FE87B35BA21F2C2 --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=CF6BAAE62E2205578FE87B35BA21F2C2 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1680
- - 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=85408428F38A1D288F10CFB3A5C4E423 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2868
- - 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=30D9ACC2312163B553E36C3F1F9E4E44 --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=30D9ACC2312163B553E36C3F1F9E4E44 --renderer-client-id=5 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4444
- - 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=BAB8956BBA5583397BD6921AAE970E4A --mojo-platform-channel-handle=2664 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4676
- - 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=254BBCF3BB731518BCB8C3E200556BF3 --mojo-platform-channel-handle=2188 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2968

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:740

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
d4611919fa4d16630bdc43e36e5cfe58

SHA1
f9f16e10b235b53b3d95314d5756bef75786620d

SHA256
4620a5c71df6f33f8cf9d742658c2a95a65a63e733fe4f588fca6e9aa9a3d5b1

SHA512
f3929d9cc589f65efd3ed1daad5c51d201791f2ba6471a524f05986689bb658b6e3014175595a7d69eb0cc09dc4bdc2c42a413cbf82e526bd08ef51ef233ff3d

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
memory/460-28-0x000000000B8C0000-0x000000000B8E1000-memory.dmp

Filesize
132KB

Download