5eae4951ba906c103c29c0fe5ff76ab9734f415d90c8a48af8565ce4d298e71d

Analysis

max time kernel
148s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27-03-2024 12:48

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General

Target

e1b40ac1120f39f295748d51b6435507.pdf
Size

77KB
MD5

e1b40ac1120f39f295748d51b6435507
SHA1

aef0bdc6c9fb5a510961efdc7b20467d67343624
SHA256

5eae4951ba906c103c29c0fe5ff76ab9734f415d90c8a48af8565ce4d298e71d
SHA512

89b7a8a1ecd9ca0e465535dcb062778c01bbcc896fcfae76fb88276f76b2def381ecadb23e48950665458610c4935175cdc5d4b89c3f700ed7d66a9bd7edfc69
SSDEEP

1536:GvrtV1hb9jF2MM31EjnSOPHnVqZSCTaWzkkhQ+c+EJIK6ALnpIFq1fFs77Q5u:QrE31jOPHyaEQqZrALnpIY1fiHB

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-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3052	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe
3052	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3052 wrote to memory of 1008	3052	AcroRd32.exe	90
PID 3052 wrote to memory of 1008	3052	AcroRd32.exe	90
PID 3052 wrote to memory of 1008	3052	AcroRd32.exe	90
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 1352	1008	RdrCEF.exe	91
PID 1008 wrote to memory of 4956	1008	RdrCEF.exe	92
PID 1008 wrote to memory of 4956	1008	RdrCEF.exe	92
PID 1008 wrote to memory of 4956	1008	RdrCEF.exe	92
PID 1008 wrote to memory of 4956	1008	RdrCEF.exe	92
PID 1008 wrote to memory of 4956	1008	RdrCEF.exe	92
PID 1008 wrote to memory of 4956	1008	RdrCEF.exe	92
PID 1008 wrote to memory of 4956	1008	RdrCEF.exe	92
PID 1008 wrote to memory of 4956	1008	RdrCEF.exe	92
PID 1008 wrote to memory of 4956	1008	RdrCEF.exe	92
PID 1008 wrote to memory of 4956	1008	RdrCEF.exe	92
PID 1008 wrote to memory of 4956	1008	RdrCEF.exe	92
PID 1008 wrote to memory of 4956	1008	RdrCEF.exe	92
PID 1008 wrote to memory of 4956	1008	RdrCEF.exe	92
PID 1008 wrote to memory of 4956	1008	RdrCEF.exe	92
PID 1008 wrote to memory of 4956	1008	RdrCEF.exe	92
PID 1008 wrote to memory of 4956	1008	RdrCEF.exe	92
PID 1008 wrote to memory of 4956	1008	RdrCEF.exe	92
PID 1008 wrote to memory of 4956	1008	RdrCEF.exe	92
PID 1008 wrote to memory of 4956	1008	RdrCEF.exe	92
PID 1008 wrote to memory of 4956	1008	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\e1b40ac1120f39f295748d51b6435507.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:3052
- 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:1008
- - 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=9488AF1BE07DA8B410152C6897D14554 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1352
- - 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=F6BBFC7C644A112AD639B5944FE6B881 --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=F6BBFC7C644A112AD639B5944FE6B881 --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4956
- - 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=F994E121BDB784F66C537DC37080AF9C --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4104
- - 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=905B6F7CC548B752A48CB8D190475502 --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=905B6F7CC548B752A48CB8D190475502 --renderer-client-id=5 --mojo-platform-channel-handle=1944 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3984
- - 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=A330421D88963850FFB612D5E1800C61 --mojo-platform-channel-handle=2596 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4144
- - 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=C4B1DBD96B351EF79990E97E44C2CC86 --mojo-platform-channel-handle=2852 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1620

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
cb3cf20001215f1b7cfdeae1556a3cb1

SHA1
a97769d8586358d98255415b44707cac4200e09c

SHA256
c883d474b138860e8a9c17e997c2d1353ace58de351f0d7e455ff4e0f7b0081d

SHA512
69a53cc5fc28e0cc208a07edd859e809703d8d7bc538e3a10ff472fe5853b0fb16d80928de42df5015aa8e57ee6f4c32b152ddc82b50646d2dbac32e15f450dc

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/3052-28-0x0000000009210000-0x0000000009231000-memory.dmp

Filesize
132KB

Download