90ba01a73f91d51b0a9ac344ef3046f739456721a4564b3f76985a3b3ca7f028

Analysis

max time kernel
141s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
19-12-2023 11:56

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General

Target

18f7f515ce13d97d55e2a7554982b4b6.pdf
Size

74KB
MD5

18f7f515ce13d97d55e2a7554982b4b6
SHA1

80698de95c14132203dbedc4b4052d360f9d35d9
SHA256

90ba01a73f91d51b0a9ac344ef3046f739456721a4564b3f76985a3b3ca7f028
SHA512

9da7d5f45c118227b5d9686ebd2d3fe5383ae4e45b0333649f80e8d18c45668b9fc2e88340ed0e8a49554ce8826010ab14f6ab167979fe7a6bd4bc7b2bde45bf
SSDEEP

1536:1GXNPx2oRNvKMm1pFpZiIRAwdoY00mrN4JKWLGOQlzXSttujBZcd:OP4oTiMm/F2IRPwZrN4mHhDjByd

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe
4344	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4344 wrote to memory of 2148	4344	AcroRd32.exe	94
PID 4344 wrote to memory of 2148	4344	AcroRd32.exe	94
PID 4344 wrote to memory of 2148	4344	AcroRd32.exe	94
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 436	2148	RdrCEF.exe	95
PID 2148 wrote to memory of 4320	2148	RdrCEF.exe	96
PID 2148 wrote to memory of 4320	2148	RdrCEF.exe	96
PID 2148 wrote to memory of 4320	2148	RdrCEF.exe	96
PID 2148 wrote to memory of 4320	2148	RdrCEF.exe	96
PID 2148 wrote to memory of 4320	2148	RdrCEF.exe	96
PID 2148 wrote to memory of 4320	2148	RdrCEF.exe	96
PID 2148 wrote to memory of 4320	2148	RdrCEF.exe	96
PID 2148 wrote to memory of 4320	2148	RdrCEF.exe	96
PID 2148 wrote to memory of 4320	2148	RdrCEF.exe	96
PID 2148 wrote to memory of 4320	2148	RdrCEF.exe	96
PID 2148 wrote to memory of 4320	2148	RdrCEF.exe	96
PID 2148 wrote to memory of 4320	2148	RdrCEF.exe	96
PID 2148 wrote to memory of 4320	2148	RdrCEF.exe	96
PID 2148 wrote to memory of 4320	2148	RdrCEF.exe	96
PID 2148 wrote to memory of 4320	2148	RdrCEF.exe	96
PID 2148 wrote to memory of 4320	2148	RdrCEF.exe	96
PID 2148 wrote to memory of 4320	2148	RdrCEF.exe	96
PID 2148 wrote to memory of 4320	2148	RdrCEF.exe	96
PID 2148 wrote to memory of 4320	2148	RdrCEF.exe	96
PID 2148 wrote to memory of 4320	2148	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\18f7f515ce13d97d55e2a7554982b4b6.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4344
- 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:2148
- - 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=AD62C31648815C36300B7FF728A480ED --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:436
- - 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=3E26A902CAC69C2DBA9120FD812E6F4F --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=3E26A902CAC69C2DBA9120FD812E6F4F --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4320
- - 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=1F272A2B2C0F6EF934F0F66E64A0E8E2 --mojo-platform-channel-handle=2108 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4480
- - 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=FA6756B623947B0D34F038ACA6A341DF --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:956
- - 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=F3E7AC3BA4C3C861EAE2BA213C39EDB1 --mojo-platform-channel-handle=2412 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3148

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
a380e31fdb5f87f0eac116057e93a864

SHA1
6eb8fcd63590356eb2b2f0e2a2345bada7e15c44

SHA256
4bdb876d50f16e6c4bcd61587fca2d636f17fa26e117350dd52bf7e343449c7a

SHA512
2aaee8755dce203c05b0256e188d7e9243bf8ff767e0417de8d3a3cd6241b3c87724d80b659162572680cb9b134d423e70bdd1f9602797e7591b51f2fdb30886

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