18bbbce3cd9c7d53e784fa0b49ea3f497d7550328e232a1811156e144dcd750c

Analysis

max time kernel
149s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
14/01/2024, 07:09

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General

Target

5a99a46200eeed33b0c96ed7beb2b263.pdf
Size

56KB
MD5

5a99a46200eeed33b0c96ed7beb2b263
SHA1

f1a745b19600d4c6da7e82fda570689d640db897
SHA256

18bbbce3cd9c7d53e784fa0b49ea3f497d7550328e232a1811156e144dcd750c
SHA512

37c8f50134a54f67b9b5a79f3ee1049ce70f5f7a2f14d830f79e077cd8f55c0aa677437bf25a427f7b5c4c1ffd19b2028a76aad220bf37a91af48531bbbf135c
SSDEEP

1536:ifbvrY69d2u0A1fV/r8SRgKmKmFwfLZmMnExMrYVYs:0Rz2HsVD8wgBKgwzdb/s

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
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe
5024	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5024 wrote to memory of 3512	5024	AcroRd32.exe	96
PID 5024 wrote to memory of 3512	5024	AcroRd32.exe	96
PID 5024 wrote to memory of 3512	5024	AcroRd32.exe	96
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1424	3512	RdrCEF.exe	97
PID 3512 wrote to memory of 1784	3512	RdrCEF.exe	98
PID 3512 wrote to memory of 1784	3512	RdrCEF.exe	98
PID 3512 wrote to memory of 1784	3512	RdrCEF.exe	98
PID 3512 wrote to memory of 1784	3512	RdrCEF.exe	98
PID 3512 wrote to memory of 1784	3512	RdrCEF.exe	98
PID 3512 wrote to memory of 1784	3512	RdrCEF.exe	98
PID 3512 wrote to memory of 1784	3512	RdrCEF.exe	98
PID 3512 wrote to memory of 1784	3512	RdrCEF.exe	98
PID 3512 wrote to memory of 1784	3512	RdrCEF.exe	98
PID 3512 wrote to memory of 1784	3512	RdrCEF.exe	98
PID 3512 wrote to memory of 1784	3512	RdrCEF.exe	98
PID 3512 wrote to memory of 1784	3512	RdrCEF.exe	98
PID 3512 wrote to memory of 1784	3512	RdrCEF.exe	98
PID 3512 wrote to memory of 1784	3512	RdrCEF.exe	98
PID 3512 wrote to memory of 1784	3512	RdrCEF.exe	98
PID 3512 wrote to memory of 1784	3512	RdrCEF.exe	98
PID 3512 wrote to memory of 1784	3512	RdrCEF.exe	98
PID 3512 wrote to memory of 1784	3512	RdrCEF.exe	98
PID 3512 wrote to memory of 1784	3512	RdrCEF.exe	98
PID 3512 wrote to memory of 1784	3512	RdrCEF.exe	98

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\5a99a46200eeed33b0c96ed7beb2b263.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5024
- 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:3512
- - 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=D25D0B0EE5534897B38930BF417D2103 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1424
- - 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=E4E7A163A4C96018259A1B5159A78BAE --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=E4E7A163A4C96018259A1B5159A78BAE --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1784
- - 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=DE88B27FB5FF73C41E08563B92B662A9 --mojo-platform-channel-handle=2124 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3188
- - 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=879E9F5778970451F24FB5894D2AD14A --mojo-platform-channel-handle=2276 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:900
- - 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=1C6C9848DCFA066B990D76FDCA418F03 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3820

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3160

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
17KB

MD5
b070fda4ceb43eab0d5dd068dc15cb94

SHA1
4835969fe5d8ac72d60152be236bcc246ea28b2c

SHA256
2ccb62d379880d305fa0429b84051ae639f5bf4312278a63f8c804f9c769ba97

SHA512
2e4755eb3f206f62121f580c8f3f067475d8ceebcd0d478d174dd11b3a8a87309ada1f2fa4986b966e2ec748f5000e32495482185e12e2b370341961d71ee12c

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