b7813758a5367a4bbaf5ca13c5dfb943e877ecea411fda37b70da16dfafdb1cd

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
08-03-2024 04:31

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General

Target

ba85319f7ba108e1a6773349febb8b64.pdf
Size

82KB
MD5

ba85319f7ba108e1a6773349febb8b64
SHA1

d23a688a6bc334ec88e192e790e3f4a2b78d7b99
SHA256

b7813758a5367a4bbaf5ca13c5dfb943e877ecea411fda37b70da16dfafdb1cd
SHA512

dcb19b1f9022a206eae269e153a92eca342cd56972c78b1d9d589b0b9db0d5edcdabe07330d2fc1763e46c441572a9b3069f0228bdb5e2c6bbc08189496e73b4
SSDEEP

1536:mFwirLd40HyqVQYxy1cXeD5CzRwieD/WV3W6hfkO0W6pOu2sLMv:YL60HyqV3+cXeDmRdeKtu2sQ

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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
416	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe
416	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 416 wrote to memory of 3672	416	AcroRd32.exe	97
PID 416 wrote to memory of 3672	416	AcroRd32.exe	97
PID 416 wrote to memory of 3672	416	AcroRd32.exe	97
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 928	3672	RdrCEF.exe	98
PID 3672 wrote to memory of 3068	3672	RdrCEF.exe	99
PID 3672 wrote to memory of 3068	3672	RdrCEF.exe	99
PID 3672 wrote to memory of 3068	3672	RdrCEF.exe	99
PID 3672 wrote to memory of 3068	3672	RdrCEF.exe	99
PID 3672 wrote to memory of 3068	3672	RdrCEF.exe	99
PID 3672 wrote to memory of 3068	3672	RdrCEF.exe	99
PID 3672 wrote to memory of 3068	3672	RdrCEF.exe	99
PID 3672 wrote to memory of 3068	3672	RdrCEF.exe	99
PID 3672 wrote to memory of 3068	3672	RdrCEF.exe	99
PID 3672 wrote to memory of 3068	3672	RdrCEF.exe	99
PID 3672 wrote to memory of 3068	3672	RdrCEF.exe	99
PID 3672 wrote to memory of 3068	3672	RdrCEF.exe	99
PID 3672 wrote to memory of 3068	3672	RdrCEF.exe	99
PID 3672 wrote to memory of 3068	3672	RdrCEF.exe	99
PID 3672 wrote to memory of 3068	3672	RdrCEF.exe	99
PID 3672 wrote to memory of 3068	3672	RdrCEF.exe	99
PID 3672 wrote to memory of 3068	3672	RdrCEF.exe	99
PID 3672 wrote to memory of 3068	3672	RdrCEF.exe	99
PID 3672 wrote to memory of 3068	3672	RdrCEF.exe	99
PID 3672 wrote to memory of 3068	3672	RdrCEF.exe	99

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\ba85319f7ba108e1a6773349febb8b64.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:416
- 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:3672
- - 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=3C649AA14BE683230D14B04AF0DCB634 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:928
- - 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=1AE6A1D6967155B791632EF308C435CB --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=1AE6A1D6967155B791632EF308C435CB --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3068
- - 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=A815D5DA44F3320C94CDB35661207213 --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=A815D5DA44F3320C94CDB35661207213 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4500
- - 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=7C1B56995AEBCAE17A1444E1050EB859 --mojo-platform-channel-handle=2216 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3772
- - 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=BB85D22AB29B62BDA57ED5C9C93D13AD --mojo-platform-channel-handle=1856 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4840
- - 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=EB3FD745BCB775BC1459A75349B12D04 --mojo-platform-channel-handle=2384 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1804

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
d012987b071940c30da6b4faf6b3d559

SHA1
23a4d987c6044c60c8b08018634a2daa9e075486

SHA256
8b3db2e35519271282efaa9d647aa0493cd7ddbbd1904a0c1d5fe610d5259d79

SHA512
b8dd2982dd3beae85bda77f6f2ad65b85b9011574fc129560c9434c24eef10e3d5bc652b47914af70a4ee9b6ec8be5d8b3ca2918b1b28a4856caf98b413d9b07

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