9bcacb6cb563c930050c337bdaa06246ba2a4e8d524da3c7a3264ddfd7bccd7a

Analysis

max time kernel
141s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
25/02/2024, 08:45

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General

Target

a35b2197855993065b80a11db6e2fd41.pdf
Size

93KB
MD5

a35b2197855993065b80a11db6e2fd41
SHA1

c9905daec8482ce85b75f945ae7a2a38eb6d7ea7
SHA256

9bcacb6cb563c930050c337bdaa06246ba2a4e8d524da3c7a3264ddfd7bccd7a
SHA512

5e1c7df990315d62e0887ff3f59597eacb3e2b0a1c2b614e49a0cd7d233ca28c363ede939826238b44bfe35a5b0def829c6f8aabbc91d9042349db251bf366ee
SSDEEP

1536:fHA2OOk2W5sPhYJekKq/XG/IcQa0NwPtR+BtIIOGfKb8qSIueIEEWmpOSLWTxHV5:uOkNmhYnz/XC0NwlUBtXjyb8HI4E5SAd

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1392040655-2056082574-619088944-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1776	AcroRd32.exe
1776	AcroRd32.exe
1776	AcroRd32.exe
1776	AcroRd32.exe
1776	AcroRd32.exe
1776	AcroRd32.exe
1776	AcroRd32.exe
1776	AcroRd32.exe
1776	AcroRd32.exe
1776	AcroRd32.exe
1776	AcroRd32.exe
1776	AcroRd32.exe
1776	AcroRd32.exe
1776	AcroRd32.exe
1776	AcroRd32.exe
1776	AcroRd32.exe
1776	AcroRd32.exe
1776	AcroRd32.exe
1776	AcroRd32.exe
1776	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1776	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1776	AcroRd32.exe
1776	AcroRd32.exe
1776	AcroRd32.exe
1776	AcroRd32.exe
1776	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 2892	1776	AcroRd32.exe	91
PID 1776 wrote to memory of 2892	1776	AcroRd32.exe	91
PID 1776 wrote to memory of 2892	1776	AcroRd32.exe	91
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 948	2892	RdrCEF.exe	92
PID 2892 wrote to memory of 3712	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 3712	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 3712	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 3712	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 3712	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 3712	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 3712	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 3712	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 3712	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 3712	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 3712	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 3712	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 3712	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 3712	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 3712	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 3712	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 3712	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 3712	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 3712	2892	RdrCEF.exe	93
PID 2892 wrote to memory of 3712	2892	RdrCEF.exe	93

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\a35b2197855993065b80a11db6e2fd41.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:1776
- 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:2892
- - 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=F44120BE9619C9FC13E7B5B107DD20AC --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:948
- - 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=BA97F38CB1152B07B68382CAAAA89D47 --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=BA97F38CB1152B07B68382CAAAA89D47 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3712
- - 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=29A3FC44E9375E69EE12EEDD59104048 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1384
- - 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=5C12C661A04185D59275CF645CC012A8 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1688
- - 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=00C9FA3F771C92E3E4D4ABE60705D364 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3320
- - 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=73E74F6592E98E7A4B0CE9BE0195E812 --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=73E74F6592E98E7A4B0CE9BE0195E812 --renderer-client-id=7 --mojo-platform-channel-handle=1960 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:396

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2180

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
fee1271782c2496f46a26a913c7bdc02

SHA1
3a744129caa7e50da7ab99ed7586d76369c29236

SHA256
57e3db62498cac8bd7e8183e3a0a90d0ce273c932491d6bc911501c218562067

SHA512
513cf1041cea0e0991788691a22e9e38e9edcbba3a8f3ecb2c9845b26610830dd67bcb5482921f5d663cfa7f102ab0590439b3ad918ae7b6c56b089b0232191e

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/1776-130-0x000000000A100000-0x000000000A24D000-memory.dmp

Filesize
1.3MB

Download