b99b40d0ace00b2a6d02bd92a58d5d6c73ee417b3c9baee7d4a73f7cdab5ff07

Analysis

max time kernel
141s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 08:11

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General

Target

9b2c28dd628021f732c23d8dc10d9b71.pdf
Size

93KB
MD5

9b2c28dd628021f732c23d8dc10d9b71
SHA1

410a20aced74e85f3537885597a2a0336e81f376
SHA256

b99b40d0ace00b2a6d02bd92a58d5d6c73ee417b3c9baee7d4a73f7cdab5ff07
SHA512

2f0bb2ff67c61f028e679a65f1d5a8dcacf988f09e2dc343a849e1b37bfe43d2420d3566214eaf00c579830d62915cfc7d9818c70ef0a0dcb05fa6855a486cab
SSDEEP

1536:OjnatGIWYfOCx+A94ajb5G+m7yLksMAZeb60XD0D0Msgt49yllo0EFxlWjL6MCQk:MnatcYfXfA+los0PXwgsq90odFxA+MCh

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
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1180	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe
1180	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1180 wrote to memory of 3796	1180	AcroRd32.exe	85
PID 1180 wrote to memory of 3796	1180	AcroRd32.exe	85
PID 1180 wrote to memory of 3796	1180	AcroRd32.exe	85
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 2368	3796	RdrCEF.exe	86
PID 3796 wrote to memory of 4700	3796	RdrCEF.exe	87
PID 3796 wrote to memory of 4700	3796	RdrCEF.exe	87
PID 3796 wrote to memory of 4700	3796	RdrCEF.exe	87
PID 3796 wrote to memory of 4700	3796	RdrCEF.exe	87
PID 3796 wrote to memory of 4700	3796	RdrCEF.exe	87
PID 3796 wrote to memory of 4700	3796	RdrCEF.exe	87
PID 3796 wrote to memory of 4700	3796	RdrCEF.exe	87
PID 3796 wrote to memory of 4700	3796	RdrCEF.exe	87
PID 3796 wrote to memory of 4700	3796	RdrCEF.exe	87
PID 3796 wrote to memory of 4700	3796	RdrCEF.exe	87
PID 3796 wrote to memory of 4700	3796	RdrCEF.exe	87
PID 3796 wrote to memory of 4700	3796	RdrCEF.exe	87
PID 3796 wrote to memory of 4700	3796	RdrCEF.exe	87
PID 3796 wrote to memory of 4700	3796	RdrCEF.exe	87
PID 3796 wrote to memory of 4700	3796	RdrCEF.exe	87
PID 3796 wrote to memory of 4700	3796	RdrCEF.exe	87
PID 3796 wrote to memory of 4700	3796	RdrCEF.exe	87
PID 3796 wrote to memory of 4700	3796	RdrCEF.exe	87
PID 3796 wrote to memory of 4700	3796	RdrCEF.exe	87
PID 3796 wrote to memory of 4700	3796	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\9b2c28dd628021f732c23d8dc10d9b71.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:1180
- 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:3796
- - 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=CF8EA7FA8C87CC347B1D8C2EF8B8C6D9 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2368
- - 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=755864BC3DBFB674EB0EDBF30DA0209F --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=755864BC3DBFB674EB0EDBF30DA0209F --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4700
- - 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=7234CD07C723DA18D0169DBC6B2FC9A2 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3352
- - 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=8F9EA9125C9C35D7351B35F895A0AB0C --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=8F9EA9125C9C35D7351B35F895A0AB0C --renderer-client-id=5 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1560
- - 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=811D3A2F17961957C639640233C1B4D6 --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1176
- - 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=E3090EC76366A92B28C26D0D17AA9ED9 --mojo-platform-channel-handle=2448 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3552

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
e47cea9ee56fd48d499d34688a1279eb

SHA1
5727596000ba0362a064610db1208338cfc840df

SHA256
1b013a4aac2e361b178f43f55a0129413b3404e6e00cc4954ac405773be617c5

SHA512
385e54446def8d67f98d82aec1bc1d933faa9a07bf030998f161bea96372feee6329bad3625f84e8e3cad207869badf3f01db01c0718a0a10e3be74931b86d99

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