5a0646a21fb7ce4a6cb8c0256a3edd9ad5ae1ba61fea2df550469d7f76fbd41e

Analysis

max time kernel
140s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 14:28

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

7597f87cbdd4612d8f3c4156479070f3.pdf
Size

62KB
MD5

7597f87cbdd4612d8f3c4156479070f3
SHA1

ac91710ac16081270157b335f467064b3192e4ca
SHA256

5a0646a21fb7ce4a6cb8c0256a3edd9ad5ae1ba61fea2df550469d7f76fbd41e
SHA512

dcf47bebf029abaf68721f228e7b1e4254a7cb8f263d01c16b57463a269bf59d1cbbf2517df8c6c29e1f3e62b972f2134adaaf4fd941f1fca6689771ab1e6ccc
SSDEEP

1536:BKEb25eJK5bj6BDK3+SXYCVFiXdf9HhCsfI59GkqfL+vL5VMsDiaoo:040NvF8f9HXfIi6v1PDiaoo

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe
4084	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4084 wrote to memory of 4828	4084	AcroRd32.exe	90
PID 4084 wrote to memory of 4828	4084	AcroRd32.exe	90
PID 4084 wrote to memory of 4828	4084	AcroRd32.exe	90
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 704	4828	RdrCEF.exe	92
PID 4828 wrote to memory of 3076	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3076	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3076	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3076	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3076	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3076	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3076	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3076	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3076	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3076	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3076	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3076	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3076	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3076	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3076	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3076	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3076	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3076	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3076	4828	RdrCEF.exe	91
PID 4828 wrote to memory of 3076	4828	RdrCEF.exe	91

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\7597f87cbdd4612d8f3c4156479070f3.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4084
- 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:4828
- - 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=475A83101F1DC9B701B2A417FC1A36DE --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=475A83101F1DC9B701B2A417FC1A36DE --renderer-client-id=2 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3076
- - 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=5C674AE5CD9CF4CDB5D8337328EE53C6 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:704
- - 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=5E90EFCA66C097FDD9408841A0914C5B --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4468
- - 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=2BF8BC4244DA9615CFE7971050D27E82 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:548
- - 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=97E61AC6B74505903F309BDB55E4BD69 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1380

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2400

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
ca41c0a78114a575e480114aedfd1a0c

SHA1
fc6a30ff4ddd86103a3d18c7254e0d72f8104f1a

SHA256
29cb0f03014026fe0636e9515d18325cb3862788779d470f8fd30a0cb80670cc

SHA512
8076785027e813ebd2b056b75b3f31088197d47e0a29224382be20093b93e8fc972498efe0b0dac8c92b306a24103e3bb17a8e6de123ce6c4346ba91bb754519

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