825b126e905ebb4ca9a36ac4654ba5d3b75f80fefd778d35ac88881201e4ffc9

Analysis

max time kernel
164s
max time network
174s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
15/03/2024, 01:14

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General

Target

ca1c1c77af206546dd5b1672193982b1.pdf
Size

59KB
MD5

ca1c1c77af206546dd5b1672193982b1
SHA1

4a184de74509726702de394a37961a03a12f0d4a
SHA256

825b126e905ebb4ca9a36ac4654ba5d3b75f80fefd778d35ac88881201e4ffc9
SHA512

1d15255b47967de7077541d7cb1af66b776d648218f6fdb4d5dade06602cf9036402eb3fccdddfd9c75b6aa279235547db83accf2e1ea2bd5ae607e212369fb4
SSDEEP

1536:ULfvnoqbUWFAq6MLb2Sjqwzt7X8uGMdWUQ:G/bQsAMv2BQX8urNQ

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
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe
4848	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4848 wrote to memory of 4960	4848	AcroRd32.exe	90
PID 4848 wrote to memory of 4960	4848	AcroRd32.exe	90
PID 4848 wrote to memory of 4960	4848	AcroRd32.exe	90
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 2992	4960	RdrCEF.exe	95
PID 4960 wrote to memory of 1344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 1344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 1344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 1344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 1344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 1344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 1344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 1344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 1344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 1344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 1344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 1344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 1344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 1344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 1344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 1344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 1344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 1344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 1344	4960	RdrCEF.exe	96
PID 4960 wrote to memory of 1344	4960	RdrCEF.exe	96

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\ca1c1c77af206546dd5b1672193982b1.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- 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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4960
- - 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=45FE7519E5E831E86B72F9E697217715 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2992
- - 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=5B49A454518ABC4E719898056DAAE0ED --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=5B49A454518ABC4E719898056DAAE0ED --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1344
- - 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=F11C3FCF54EABFC6FBFCB2BEE86FAA96 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2744
- - 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=DEC3573117CE1371175AB9AF491AD874 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:216
- - 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=A74BB33D9847D122B0F7C60E6A2328F6 --mojo-platform-channel-handle=1712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3400

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
7541eedcf71fa24dd09abe52b6576650

SHA1
7e50e0a933532a3bf4cce7ce8f560e9e5e79f409

SHA256
59550ace88e64f7da25af0a3fdd42a543f1b9c43be6bbdf5e04a3a99501bcaf5

SHA512
dc9df9c4e7b1a57cc3317e2e105d173c1d0cff0082e831e00e5d483352cb037f0ef7578adc9489910b45b3c780de68df283fefd85076d58b415325deb41b8eae

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