1d7808f9a7c3d585258219319fb659217803decaa1cce720e414390a7d780d48

Analysis

max time kernel
99s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
21/07/2024, 08:08

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General

Target

91a7fb2efbf0ecd366cc82aecceb3670N.pdf
Size

308KB
MD5

91a7fb2efbf0ecd366cc82aecceb3670
SHA1

fdb35f76eb886fc2828fd10c932856e38181d2f4
SHA256

1d7808f9a7c3d585258219319fb659217803decaa1cce720e414390a7d780d48
SHA512

6a7612cd5119a5b86ec3f7d6453af79196d3297085e9b5f67424ffd3ee21d44ffedd3f769af9cab7477ea5b260b9a0fbc6aa86b17b9a88bf98d3329294749c03
SSDEEP

6144:S+YnG7BG9BpbJ51NHTdMRiNtypbIbwiGI/SdJHlkmzIWpPxBJm:SjG7BGvpt5TzuRi+IbwiGI/i79pPxBJm

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-1-5-21-701583114-2636601053-947405450-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3896	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe
3896	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3896 wrote to memory of 3432	3896	AcroRd32.exe	91
PID 3896 wrote to memory of 3432	3896	AcroRd32.exe	91
PID 3896 wrote to memory of 3432	3896	AcroRd32.exe	91
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 1488	3432	RdrCEF.exe	92
PID 3432 wrote to memory of 4764	3432	RdrCEF.exe	93
PID 3432 wrote to memory of 4764	3432	RdrCEF.exe	93
PID 3432 wrote to memory of 4764	3432	RdrCEF.exe	93
PID 3432 wrote to memory of 4764	3432	RdrCEF.exe	93
PID 3432 wrote to memory of 4764	3432	RdrCEF.exe	93
PID 3432 wrote to memory of 4764	3432	RdrCEF.exe	93
PID 3432 wrote to memory of 4764	3432	RdrCEF.exe	93
PID 3432 wrote to memory of 4764	3432	RdrCEF.exe	93
PID 3432 wrote to memory of 4764	3432	RdrCEF.exe	93
PID 3432 wrote to memory of 4764	3432	RdrCEF.exe	93
PID 3432 wrote to memory of 4764	3432	RdrCEF.exe	93
PID 3432 wrote to memory of 4764	3432	RdrCEF.exe	93
PID 3432 wrote to memory of 4764	3432	RdrCEF.exe	93
PID 3432 wrote to memory of 4764	3432	RdrCEF.exe	93
PID 3432 wrote to memory of 4764	3432	RdrCEF.exe	93
PID 3432 wrote to memory of 4764	3432	RdrCEF.exe	93
PID 3432 wrote to memory of 4764	3432	RdrCEF.exe	93
PID 3432 wrote to memory of 4764	3432	RdrCEF.exe	93
PID 3432 wrote to memory of 4764	3432	RdrCEF.exe	93
PID 3432 wrote to memory of 4764	3432	RdrCEF.exe	93

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\91a7fb2efbf0ecd366cc82aecceb3670N.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:3896
- 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:3432
- - 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=8D8F768F15D2D2F89EE9C65F6A154806 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1488
- - 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=B6A215E83CBE8D8E4B1DC86F88E95E42 --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=B6A215E83CBE8D8E4B1DC86F88E95E42 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4764
- - 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=E7F4E3BDF1B43AD0690E5E96DBDF62BE --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1808
- - 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=21CD560411CB2649EC3DE61DEC84CD58 --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=21CD560411CB2649EC3DE61DEC84CD58 --renderer-client-id=5 --mojo-platform-channel-handle=2180 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3616
- - 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=AD8C07382CD14965711EE56D0783FA01 --mojo-platform-channel-handle=2812 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3592
- - 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=46A36DD0ED9D548B160E063CE9C948BC --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1460

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3268

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
de51897faf77f5305fec1ad443cac6f8

SHA1
9dc18fa2168809be5727952d58acd3922324f08a

SHA256
fca8bfe2e3735a485a93dbd3cd90f407707fa9b342310540bb0ce9dc0aadcdf3

SHA512
c43357b74d702a313055a1cc47a5389206c098c8e790c688c01d8750ae4426da5f0a31c11f672c1d4d25fd23e90f3f87011a4d1e36f28a1174c045d57f59062b

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