1f4c4f92b24fd35d5c73db42285d64cd4d9bb7e6dd44d97b0a432891382b609b

Analysis

max time kernel
140s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10-03-2024 09:33

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

be448f0e9c4b9be21e4adaa5e44dd738.pdf
Size

90KB
MD5

be448f0e9c4b9be21e4adaa5e44dd738
SHA1

dc8c1fe8ad8c56c5d3d44d93d83a882d5bceca30
SHA256

1f4c4f92b24fd35d5c73db42285d64cd4d9bb7e6dd44d97b0a432891382b609b
SHA512

de9736d456a00ecd145082d9bb47ab159df3dc8bf9ebd84bc45cb2b052cef8ff63e8b449cc754955cbb889b8ad477b3387a8fbfd4942311e1925134340230dbb
SSDEEP

1536:lVJCf9oI0ypMo6qjPzjMWZpnS58QuwI+WYReBCrsu0F+ELqTEW/A+BThWepOZT0a:BIoI0yjj7jtHW8Q/WYABCr/OqT7tTWZP

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4600	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4600 wrote to memory of 1228	4600	AcroRd32.exe	85
PID 4600 wrote to memory of 1228	4600	AcroRd32.exe	85
PID 4600 wrote to memory of 1228	4600	AcroRd32.exe	85
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3968	1228	RdrCEF.exe	86
PID 1228 wrote to memory of 3700	1228	RdrCEF.exe	87
PID 1228 wrote to memory of 3700	1228	RdrCEF.exe	87
PID 1228 wrote to memory of 3700	1228	RdrCEF.exe	87
PID 1228 wrote to memory of 3700	1228	RdrCEF.exe	87
PID 1228 wrote to memory of 3700	1228	RdrCEF.exe	87
PID 1228 wrote to memory of 3700	1228	RdrCEF.exe	87
PID 1228 wrote to memory of 3700	1228	RdrCEF.exe	87
PID 1228 wrote to memory of 3700	1228	RdrCEF.exe	87
PID 1228 wrote to memory of 3700	1228	RdrCEF.exe	87
PID 1228 wrote to memory of 3700	1228	RdrCEF.exe	87
PID 1228 wrote to memory of 3700	1228	RdrCEF.exe	87
PID 1228 wrote to memory of 3700	1228	RdrCEF.exe	87
PID 1228 wrote to memory of 3700	1228	RdrCEF.exe	87
PID 1228 wrote to memory of 3700	1228	RdrCEF.exe	87
PID 1228 wrote to memory of 3700	1228	RdrCEF.exe	87
PID 1228 wrote to memory of 3700	1228	RdrCEF.exe	87
PID 1228 wrote to memory of 3700	1228	RdrCEF.exe	87
PID 1228 wrote to memory of 3700	1228	RdrCEF.exe	87
PID 1228 wrote to memory of 3700	1228	RdrCEF.exe	87
PID 1228 wrote to memory of 3700	1228	RdrCEF.exe	87

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\be448f0e9c4b9be21e4adaa5e44dd738.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:4600
- 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:1228
- - 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=9C7986E3966815125836C88275C1D6AF --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3968
- - 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=A6F2A4150B90769235FEABC239A6ED5F --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=A6F2A4150B90769235FEABC239A6ED5F --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3700
- - 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=B6750541289D9913C9936D12AB2EE051 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3748
- - 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=8B7752E1E25C0D48A844B39C26B92F55 --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=8B7752E1E25C0D48A844B39C26B92F55 --renderer-client-id=5 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1280
- - 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=B15760B03EE94B4198697E1559938C51 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    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=CB0FA0738D48A0101EC0E8A41DF9316C --mojo-platform-channel-handle=2336 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1392

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:880

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
1f8050425b80febca2e8b3d6d8f4ec2a

SHA1
1b190250854dfffcd8f0b85d8b59387befa8d3b8

SHA256
b35653eddf8d5dedfcff8a35a1168f88827710daa5061712011d9873b1d9dc4f

SHA512
64c9034d889f391277c91021d6820bdb761c7eaa4221e79ea36f6f324734002450588bfd86901c954e66d75a2ac8a78c1bc784fd4986295b87dc6b00f50b7d53

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/4600-28-0x0000000009850000-0x0000000009871000-memory.dmp

Filesize
132KB

Download