214a3ee73aae3d1a0e134647a477eedd37e4a6a135ab3a7bd454b3efde6ebef3

Analysis

max time kernel
141s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20230915-en
resource tags

arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
submitted
11-10-2023 11:26

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General

Target

Inv_033733_from_CANADIAN_BUSINESS_FORMS_5212.pdf
Size

665KB
MD5

6dc1035b449f24eafd8509d6ef508e72
SHA1

7df4cd33c1fcd6201192e4f70b2c54406dd4e60e
SHA256

b53c7c71693a93ac6e782be77b5efc1b2f30d4d82f21250c7c7a49ede24dee34
SHA512

80b2beb2b1166ea262c2d85f17ec441eca58febaa5364f3e06e16070367991a138fe471ec0a90e48734c2c667172d221f99cdfb86d54ccde34d3acfbb7fae27e
SSDEEP

12288:yKCSlni/6zmHCwGvn1bHAKm5jzCqA8k2t5v3TP:vCSEwGGvn5HAh5CqvnP

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-1-5-21-1141987721-3945596982-3297311814-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3256	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe
3256	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3256 wrote to memory of 4848	3256	AcroRd32.exe	89
PID 3256 wrote to memory of 4848	3256	AcroRd32.exe	89
PID 3256 wrote to memory of 4848	3256	AcroRd32.exe	89
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 764	4848	RdrCEF.exe	90
PID 4848 wrote to memory of 4904	4848	RdrCEF.exe	91
PID 4848 wrote to memory of 4904	4848	RdrCEF.exe	91
PID 4848 wrote to memory of 4904	4848	RdrCEF.exe	91
PID 4848 wrote to memory of 4904	4848	RdrCEF.exe	91
PID 4848 wrote to memory of 4904	4848	RdrCEF.exe	91
PID 4848 wrote to memory of 4904	4848	RdrCEF.exe	91
PID 4848 wrote to memory of 4904	4848	RdrCEF.exe	91
PID 4848 wrote to memory of 4904	4848	RdrCEF.exe	91
PID 4848 wrote to memory of 4904	4848	RdrCEF.exe	91
PID 4848 wrote to memory of 4904	4848	RdrCEF.exe	91
PID 4848 wrote to memory of 4904	4848	RdrCEF.exe	91
PID 4848 wrote to memory of 4904	4848	RdrCEF.exe	91
PID 4848 wrote to memory of 4904	4848	RdrCEF.exe	91
PID 4848 wrote to memory of 4904	4848	RdrCEF.exe	91
PID 4848 wrote to memory of 4904	4848	RdrCEF.exe	91
PID 4848 wrote to memory of 4904	4848	RdrCEF.exe	91
PID 4848 wrote to memory of 4904	4848	RdrCEF.exe	91
PID 4848 wrote to memory of 4904	4848	RdrCEF.exe	91
PID 4848 wrote to memory of 4904	4848	RdrCEF.exe	91
PID 4848 wrote to memory of 4904	4848	RdrCEF.exe	91

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\Inv_033733_from_CANADIAN_BUSINESS_FORMS_5212.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:3256
- 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:4848
- - 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=D0DDA0047E581D3C3ECA558FBE94994A --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:764
- - 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=64AD7AB5F225A40F16B739F40C80ADA1 --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=64AD7AB5F225A40F16B739F40C80ADA1 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4904
- - 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=1EB2828ECA520BDA54E0C475862E8ACE --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1016
- - 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=6A6F9C6DE385DE96D27C1B435C3EDEF9 --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=6A6F9C6DE385DE96D27C1B435C3EDEF9 --renderer-client-id=5 --mojo-platform-channel-handle=1832 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2464
- - 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=A188E1ACDDE49D2A2737549B63CA5970 --mojo-platform-channel-handle=2616 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4696
- - 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=D2B0FE709925AD960395C5916FB36D39 --mojo-platform-channel-handle=2380 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2080

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3656

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
7ad092f7b6385f1b6a477cd3b0c31675

SHA1
3a2d67baa111714549cdece795ba0d87ca091553

SHA256
6ae752001a346a74d7dc25b403f85fe3458f90258b521b8e9738e5548b38c285

SHA512
aed423a908d3e21838f45ff3f45f729809fd989804c0b2ea588fb37d11201a3d54dc6afa45ee1b0ea779040beea2254a5c36f93c21bcc50970576b67f133138c

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