e1822103d1607e0eb12840645e19b130c4c57e4f6554c31b9cf9296668281a8f

Analysis

max time kernel
143s
max time network
151s
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 13:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

341635eed10983e7752476ee096b0406.pdf
Size

85KB
MD5

341635eed10983e7752476ee096b0406
SHA1

9419e3b18b622c9ce0048439745ad604b8d4bf8d
SHA256

e1822103d1607e0eb12840645e19b130c4c57e4f6554c31b9cf9296668281a8f
SHA512

92cbacc1140d77fb41e536f86db69cbbdf4205a2d1a43a8fe80684886c9ac3f4db3e9adcb89e675a182a827497cd7faf3e47895b6b98e93acba5051f457ae25b
SSDEEP

1536:mQLn80gR2pFMRizfDk9MgPNOkrM7OSbEcWkEvtEx6DOWXpO/Qo4:N0R2gozLkigVM9bEIKDO/6

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-1-5-21-1815711207-1844170477-3539718864-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4320	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe
4320	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4320 wrote to memory of 2880	4320	AcroRd32.exe	94
PID 4320 wrote to memory of 2880	4320	AcroRd32.exe	94
PID 4320 wrote to memory of 2880	4320	AcroRd32.exe	94
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 3232	2880	RdrCEF.exe	95
PID 2880 wrote to memory of 2360	2880	RdrCEF.exe	96
PID 2880 wrote to memory of 2360	2880	RdrCEF.exe	96
PID 2880 wrote to memory of 2360	2880	RdrCEF.exe	96
PID 2880 wrote to memory of 2360	2880	RdrCEF.exe	96
PID 2880 wrote to memory of 2360	2880	RdrCEF.exe	96
PID 2880 wrote to memory of 2360	2880	RdrCEF.exe	96
PID 2880 wrote to memory of 2360	2880	RdrCEF.exe	96
PID 2880 wrote to memory of 2360	2880	RdrCEF.exe	96
PID 2880 wrote to memory of 2360	2880	RdrCEF.exe	96
PID 2880 wrote to memory of 2360	2880	RdrCEF.exe	96
PID 2880 wrote to memory of 2360	2880	RdrCEF.exe	96
PID 2880 wrote to memory of 2360	2880	RdrCEF.exe	96
PID 2880 wrote to memory of 2360	2880	RdrCEF.exe	96
PID 2880 wrote to memory of 2360	2880	RdrCEF.exe	96
PID 2880 wrote to memory of 2360	2880	RdrCEF.exe	96
PID 2880 wrote to memory of 2360	2880	RdrCEF.exe	96
PID 2880 wrote to memory of 2360	2880	RdrCEF.exe	96
PID 2880 wrote to memory of 2360	2880	RdrCEF.exe	96
PID 2880 wrote to memory of 2360	2880	RdrCEF.exe	96
PID 2880 wrote to memory of 2360	2880	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\341635eed10983e7752476ee096b0406.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2880
- - 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=AD54583A44D63269290A64EE8FC1E978 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3232
- - 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=AA0FAE0827F4F4B4EDF461C56F83244E --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=AA0FAE0827F4F4B4EDF461C56F83244E --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2360
- - 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=468103507DC9D27122B722A11038B0E7 --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=468103507DC9D27122B722A11038B0E7 --renderer-client-id=4 --mojo-platform-channel-handle=2168 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3656
- - 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=ACEA611587D2CBA091A64A25D65F05C5 --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2928
- - 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=4EEFEFBFF50283125ABBEDFA5EE9ADC0 --mojo-platform-channel-handle=1804 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1944
- - 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=4427B33B8E878713BC3C09FBF0DCDB10 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2768

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4412

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
2ea247f28444807488b7ff17d487792c

SHA1
d5f59051cf0efcece621d8be09b5dd9c916305d7

SHA256
abf87f14bc8decc4633ce71d09579db7b9e94b0fabbe3aa6731a8c03850cab5d

SHA512
6750f273c23446d3547e639df992be9baeac12ce9dfb52790599bf8c929bc9723d46b3220f5825d70ae90dc1d6fe90a3657577b0db17223b67da6db557004e4f

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