e383cab4c27aac0283084bfaacdcb2652f780d185e10138bb1333ee49f21f531

Analysis

max time kernel
161s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2024, 21:05

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General

Target

a2c065844f36b4aea087ba749dbfdeae.pdf
Size

43KB
MD5

a2c065844f36b4aea087ba749dbfdeae
SHA1

a0975bbb04c667010a1604cf29e4ece1112803ee
SHA256

e383cab4c27aac0283084bfaacdcb2652f780d185e10138bb1333ee49f21f531
SHA512

9b6c8c5d815851d56b4445f9e6a5a42cadb202cc103261fa74b047be14fea305a98ed9dedf774b9209187bc3441d709134f8a7a188c81b47b63655509212b6c3
SSDEEP

768:7EEJxcU86VLNa6iL5sw9rOz0ptqVS3gwfzH1QCtD+AuO:7EoV8Qpa9OQpwQ3gwfx1tEO

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-1-5-21-2828415587-3732861812-1919322417-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3768	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3768 wrote to memory of 4120	3768	AcroRd32.exe	90
PID 3768 wrote to memory of 4120	3768	AcroRd32.exe	90
PID 3768 wrote to memory of 4120	3768	AcroRd32.exe	90
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 564	4120	RdrCEF.exe	91
PID 4120 wrote to memory of 1684	4120	RdrCEF.exe	92
PID 4120 wrote to memory of 1684	4120	RdrCEF.exe	92
PID 4120 wrote to memory of 1684	4120	RdrCEF.exe	92
PID 4120 wrote to memory of 1684	4120	RdrCEF.exe	92
PID 4120 wrote to memory of 1684	4120	RdrCEF.exe	92
PID 4120 wrote to memory of 1684	4120	RdrCEF.exe	92
PID 4120 wrote to memory of 1684	4120	RdrCEF.exe	92
PID 4120 wrote to memory of 1684	4120	RdrCEF.exe	92
PID 4120 wrote to memory of 1684	4120	RdrCEF.exe	92
PID 4120 wrote to memory of 1684	4120	RdrCEF.exe	92
PID 4120 wrote to memory of 1684	4120	RdrCEF.exe	92
PID 4120 wrote to memory of 1684	4120	RdrCEF.exe	92
PID 4120 wrote to memory of 1684	4120	RdrCEF.exe	92
PID 4120 wrote to memory of 1684	4120	RdrCEF.exe	92
PID 4120 wrote to memory of 1684	4120	RdrCEF.exe	92
PID 4120 wrote to memory of 1684	4120	RdrCEF.exe	92
PID 4120 wrote to memory of 1684	4120	RdrCEF.exe	92
PID 4120 wrote to memory of 1684	4120	RdrCEF.exe	92
PID 4120 wrote to memory of 1684	4120	RdrCEF.exe	92
PID 4120 wrote to memory of 1684	4120	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\a2c065844f36b4aea087ba749dbfdeae.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:3768
- 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:4120
- - 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=66805D4161E3E6615430BD1A612CCF33 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:564
- - 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=9FF049A4F495250526E71E060DFA85DB --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=9FF049A4F495250526E71E060DFA85DB --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1684
- - 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=31699DD2C3EE20577B98F166FB999C69 --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=31699DD2C3EE20577B98F166FB999C69 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:952
- - 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=51E6A5B010837A1E50984F4E2C300A67 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3084
- - 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=23107B5EF6B2997E6CBE4ACB0EEC59B2 --mojo-platform-channel-handle=2532 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1816
- - 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=6CD9066F9707E6215303850901CC9112 --mojo-platform-channel-handle=1968 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4080

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5076

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
2168ae48fc29fe32abd2578685d93ae2

SHA1
03c738b1920e1094d96fd72af78d8397deb85fb1

SHA256
3cfc6480bb8d1835ea796dd103cb7bf2f5ed3ba3f2274013961f9d586c9da969

SHA512
4105b4331a1bc53963efdd290bc38e7fc12260258787991ab56111466b38b36712e9a6181d35e50d20f5e48e3e5c981406afd6d5170dc64d51144329d8465242

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