978453bf345e0f51090998bd3ddddb59bdeeb09e72cec3d053f3ddc66a571b3d

Analysis

max time kernel
145s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2024, 01:35

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General

Target

4f3bb3878e91ddc8c41b9d1cfe296a56.pdf
Size

77KB
MD5

4f3bb3878e91ddc8c41b9d1cfe296a56
SHA1

b89859edd6ed398c372c068f721d90014eab2a40
SHA256

978453bf345e0f51090998bd3ddddb59bdeeb09e72cec3d053f3ddc66a571b3d
SHA512

3f818a9adee9cb980048fe14c66b3fa6150cb2217cab21f4f35766b49876ee1fcab51cd75bc048934cdf942b41e550420119b860b6eeeb09501474f324682f19
SSDEEP

1536:cmGbQkLgTgfDgHBgLEh7TvtQHaxcnna4u35JWsd1F8uQWOpOwrnqzYHKcR:+8Us8FWNmna4s5vF8utwrnqsHZ

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
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4232	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe
4232	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4232 wrote to memory of 3476	4232	AcroRd32.exe	91
PID 4232 wrote to memory of 3476	4232	AcroRd32.exe	91
PID 4232 wrote to memory of 3476	4232	AcroRd32.exe	91
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 4772	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 2604	3476	RdrCEF.exe	92
PID 3476 wrote to memory of 2604	3476	RdrCEF.exe	92
PID 3476 wrote to memory of 2604	3476	RdrCEF.exe	92
PID 3476 wrote to memory of 2604	3476	RdrCEF.exe	92
PID 3476 wrote to memory of 2604	3476	RdrCEF.exe	92
PID 3476 wrote to memory of 2604	3476	RdrCEF.exe	92
PID 3476 wrote to memory of 2604	3476	RdrCEF.exe	92
PID 3476 wrote to memory of 2604	3476	RdrCEF.exe	92
PID 3476 wrote to memory of 2604	3476	RdrCEF.exe	92
PID 3476 wrote to memory of 2604	3476	RdrCEF.exe	92
PID 3476 wrote to memory of 2604	3476	RdrCEF.exe	92
PID 3476 wrote to memory of 2604	3476	RdrCEF.exe	92
PID 3476 wrote to memory of 2604	3476	RdrCEF.exe	92
PID 3476 wrote to memory of 2604	3476	RdrCEF.exe	92
PID 3476 wrote to memory of 2604	3476	RdrCEF.exe	92
PID 3476 wrote to memory of 2604	3476	RdrCEF.exe	92
PID 3476 wrote to memory of 2604	3476	RdrCEF.exe	92
PID 3476 wrote to memory of 2604	3476	RdrCEF.exe	92
PID 3476 wrote to memory of 2604	3476	RdrCEF.exe	92
PID 3476 wrote to memory of 2604	3476	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\4f3bb3878e91ddc8c41b9d1cfe296a56.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:4232
- 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:3476
- - 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=D8F80407434881A1DC8E95BB8BD5CBFB --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=D8F80407434881A1DC8E95BB8BD5CBFB --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2604
- - 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=36F3978EF6877DC2FE133C23CB5A4CC4 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4772
- - 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=F48257C892751301E3FB70F0A63AB910 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3188
- - 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=CB75154EA51E053E4DB1D626FC077211 --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1456
- - 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=6E87A62D8EA27D70C5B4FD9B042927D0 --mojo-platform-channel-handle=2444 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2392
- - 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=04057B6AF248AFD2AEEF88DE7F5F2201 --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=04057B6AF248AFD2AEEF88DE7F5F2201 --renderer-client-id=8 --mojo-platform-channel-handle=2460 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3352

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4920

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
9f56ec6bb28bca061df80f1c60e3e837

SHA1
8aa0cd3fc3a931a121ebcc5b366b9ddbc1fd25c3

SHA256
06ab70f500c54dec48f7b49c45bca6eb0c8879a2a318089a7e1e8fd86f482c45

SHA512
49485352ef0d3fb35133b2dfc1ebcb2b8f3ff4b03b0bafc20ed6cd12c502b703f23d993158aaa53c4465248fb5242801f76252b681054bd7a65532ca5ed5360c

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/4232-27-0x000000000AC60000-0x000000000AC81000-memory.dmp

Filesize
132KB

Download