5aed7d913c76a77b289bf69c9c433751e7982f260e1a2ccf3de341bacc32f638

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 12:53

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General

Target

8c5f7fd8ba703f740673c508b86ca7e7.pdf
Size

81KB
MD5

8c5f7fd8ba703f740673c508b86ca7e7
SHA1

00b85cde4c1e0ac72f3d2ebaca70b056d06b17c3
SHA256

5aed7d913c76a77b289bf69c9c433751e7982f260e1a2ccf3de341bacc32f638
SHA512

00d3e49aac4de695b31b513347915ad1cd0abd346c8ee6e09604eba80b4238bb685a874e18ecff36584ee6f4bf76f3c631b4989c9ba4a03dc6bc3b44f6c1d567
SSDEEP

1536:tgzuXIU4T1T36Nq87x4G7ptNDfOmWe54x6sEHI52+RPV7785rbC3DcXpYKHpSWLD:izuXINAN7x4Gv9kxyHV+R0r+3YXC4p9/

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-1-5-21-3791175113-1062217823-1177695025-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4116	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe
4116	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4116 wrote to memory of 4068	4116	AcroRd32.exe	88
PID 4116 wrote to memory of 4068	4116	AcroRd32.exe	88
PID 4116 wrote to memory of 4068	4116	AcroRd32.exe	88
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 2452	4068	RdrCEF.exe	90
PID 4068 wrote to memory of 5092	4068	RdrCEF.exe	89
PID 4068 wrote to memory of 5092	4068	RdrCEF.exe	89
PID 4068 wrote to memory of 5092	4068	RdrCEF.exe	89
PID 4068 wrote to memory of 5092	4068	RdrCEF.exe	89
PID 4068 wrote to memory of 5092	4068	RdrCEF.exe	89
PID 4068 wrote to memory of 5092	4068	RdrCEF.exe	89
PID 4068 wrote to memory of 5092	4068	RdrCEF.exe	89
PID 4068 wrote to memory of 5092	4068	RdrCEF.exe	89
PID 4068 wrote to memory of 5092	4068	RdrCEF.exe	89
PID 4068 wrote to memory of 5092	4068	RdrCEF.exe	89
PID 4068 wrote to memory of 5092	4068	RdrCEF.exe	89
PID 4068 wrote to memory of 5092	4068	RdrCEF.exe	89
PID 4068 wrote to memory of 5092	4068	RdrCEF.exe	89
PID 4068 wrote to memory of 5092	4068	RdrCEF.exe	89
PID 4068 wrote to memory of 5092	4068	RdrCEF.exe	89
PID 4068 wrote to memory of 5092	4068	RdrCEF.exe	89
PID 4068 wrote to memory of 5092	4068	RdrCEF.exe	89
PID 4068 wrote to memory of 5092	4068	RdrCEF.exe	89
PID 4068 wrote to memory of 5092	4068	RdrCEF.exe	89
PID 4068 wrote to memory of 5092	4068	RdrCEF.exe	89

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\8c5f7fd8ba703f740673c508b86ca7e7.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:4116
- 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:4068
- - 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=00120DF50BCA35C54E5D6F5395AF0F54 --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=00120DF50BCA35C54E5D6F5395AF0F54 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5092
- - 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=DCAB0A75E9BF71862EB0FFEF2B1DB5AE --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2452
- - 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=9EADCEB497FEE436283EEAB338B68269 --mojo-platform-channel-handle=1816 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:684
- - 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=6004D826AD6F8301D57CE45067B674CC --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1348
- - 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=15B4AD1BB45CE4E00F1F9C7B793B0346 --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=15B4AD1BB45CE4E00F1F9C7B793B0346 --renderer-client-id=7 --mojo-platform-channel-handle=2532 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2596
- - 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=1681C984A8807D9031146A3FB55EBE8E --mojo-platform-channel-handle=2496 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:916

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4124

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
dae41e3816a0dbd087bcc6544a45e939

SHA1
5df995fa5490bf722f1fbb6e348c0d9b94450dd8

SHA256
1fd4c249dc2e4ec50e9f46c58392d34c512c5c135f23a78060486828b4bda74d

SHA512
09965199803eec479bf3f36814c036459db751b4962009df2561fbe346385c1824f18d5a08e64edf0fe781fb7da6b2204918d223cf6eedc3da0c9648608c6d62

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