4bc614f734cbbe1f5cf6e922b5be64d8492aafaee167e9f2958cc3cb1b99d251

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 16:04

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General

Target

b7cfc76d03fca16bf1d910e53feffc14.pdf
Size

91KB
MD5

b7cfc76d03fca16bf1d910e53feffc14
SHA1

995a11345d7bd81752da5748cced4a6eded77df6
SHA256

4bc614f734cbbe1f5cf6e922b5be64d8492aafaee167e9f2958cc3cb1b99d251
SHA512

339a30d8a67bbf6655463a14f7b2968a04ec16e7a66363c2d5327b2cda8b1d3b98e268a6911232bfb03b26fff3356f6aa457071a7b39dc2d31c7e68a2ac34a50
SSDEEP

1536:/zf8Lpq+nKbOQij7gwbVw0WsChgV1Ue4ZLAfLPcpW3BTYcWapOtQivO8voqb/U/n:repq+nKggwy0WVIUjEPcsBTYNtQGoO/2

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-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2288	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe
2288	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 4504	2288	AcroRd32.exe	90
PID 2288 wrote to memory of 4504	2288	AcroRd32.exe	90
PID 2288 wrote to memory of 4504	2288	AcroRd32.exe	90
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 776	4504	RdrCEF.exe	91
PID 4504 wrote to memory of 2880	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2880	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2880	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2880	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2880	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2880	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2880	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2880	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2880	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2880	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2880	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2880	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2880	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2880	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2880	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2880	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2880	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2880	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2880	4504	RdrCEF.exe	92
PID 4504 wrote to memory of 2880	4504	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\b7cfc76d03fca16bf1d910e53feffc14.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:2288
- 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:4504
- - 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=7F066343752BF31683199A7467897ECC --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:776
- - 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=DE60726242D5FC6F29619312A591DE13 --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=DE60726242D5FC6F29619312A591DE13 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2880
- - 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=DA56CF32CF5AA92F1A44CF4E22934B9C --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3940
- - 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=BB88E40667DF52095CAA33B2EEE0C8A1 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3980
- - 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=E3DABFA79D6C8E2F112B5E7D36BB7A2A --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=E3DABFA79D6C8E2F112B5E7D36BB7A2A --renderer-client-id=6 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4748
- - 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=190027573E81DE02EB3D9812750373A6 --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3652

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1400

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
a37aefd5a7ab0a70b9687fe8c5d4fdcb

SHA1
79318a074bad14894b32f9db70605195a6c6627c

SHA256
4c1e74928da75763f74f965e724f6fbf1334d9ac74e23015eff4835f5b8d769b

SHA512
23b411e092825514c5ea74999b06566c9e3dd2f719bf403f56ddbd84fb11c98c4ce07a573b62c6dcd0445df1dbc3441dc969a8d241dba18b3c62394959bb1e63

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/2288-26-0x000000000BD00000-0x000000000BD50000-memory.dmp

Filesize
320KB

Download