41bbf7ba28171a964f0604655a30ee221330d5184166e67b6da0fc38f1202096

Analysis

max time kernel
141s
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
29-12-2023 20:04

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General

Target

0288390ac5ea6e066e4d5299a16cfea6.pdf
Size

113KB
MD5

0288390ac5ea6e066e4d5299a16cfea6
SHA1

9f9a489ba518693d4b9007e2f3a90529c92eb4cc
SHA256

41bbf7ba28171a964f0604655a30ee221330d5184166e67b6da0fc38f1202096
SHA512

8665308b73ae2d937b90a3b2c6e38b8001da0835809ea143a17791cdaf1a815009669fc86b059fb94c015d4d1e41129de9f2e3ea65fb96b1592be6fe74fa97f0
SSDEEP

3072:SDPCTy1ugBErX/dtHA+bJ9SYaPPi3nLhY+T8Atv:APcyzBmVt3WYqyZ1

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2080	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe
2080	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 4920	2080	AcroRd32.exe	92
PID 2080 wrote to memory of 4920	2080	AcroRd32.exe	92
PID 2080 wrote to memory of 4920	2080	AcroRd32.exe	92
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 4316	4920	RdrCEF.exe	96
PID 4920 wrote to memory of 1044	4920	RdrCEF.exe	95
PID 4920 wrote to memory of 1044	4920	RdrCEF.exe	95
PID 4920 wrote to memory of 1044	4920	RdrCEF.exe	95
PID 4920 wrote to memory of 1044	4920	RdrCEF.exe	95
PID 4920 wrote to memory of 1044	4920	RdrCEF.exe	95
PID 4920 wrote to memory of 1044	4920	RdrCEF.exe	95
PID 4920 wrote to memory of 1044	4920	RdrCEF.exe	95
PID 4920 wrote to memory of 1044	4920	RdrCEF.exe	95
PID 4920 wrote to memory of 1044	4920	RdrCEF.exe	95
PID 4920 wrote to memory of 1044	4920	RdrCEF.exe	95
PID 4920 wrote to memory of 1044	4920	RdrCEF.exe	95
PID 4920 wrote to memory of 1044	4920	RdrCEF.exe	95
PID 4920 wrote to memory of 1044	4920	RdrCEF.exe	95
PID 4920 wrote to memory of 1044	4920	RdrCEF.exe	95
PID 4920 wrote to memory of 1044	4920	RdrCEF.exe	95
PID 4920 wrote to memory of 1044	4920	RdrCEF.exe	95
PID 4920 wrote to memory of 1044	4920	RdrCEF.exe	95
PID 4920 wrote to memory of 1044	4920	RdrCEF.exe	95
PID 4920 wrote to memory of 1044	4920	RdrCEF.exe	95
PID 4920 wrote to memory of 1044	4920	RdrCEF.exe	95

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\0288390ac5ea6e066e4d5299a16cfea6.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:2080
- 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:4920
- - 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=F44FD2F9FFA5A6D4D2133188A6221844 --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=F44FD2F9FFA5A6D4D2133188A6221844 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1044
- - 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=03CB57F4F64A9B3ED1F3DDB2EE6C4FD3 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4316
- - 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=6E65B26F0F6356B2741C99E9FF08FCAC --mojo-platform-channel-handle=2280 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2912
- - 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=10F56AA7D9893FAA6F118124CFB2C6C7 --mojo-platform-channel-handle=1908 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1324
- - 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=70C75A8C19F59EA395AD055D6EA6A4EB --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1156
- - 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=D56DA0898406C98B91C53915EA777500 --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=D56DA0898406C98B91C53915EA777500 --renderer-client-id=8 --mojo-platform-channel-handle=2372 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3316

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1088

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
57KB

MD5
ea9f223318c84f935529d06990d1b3f1

SHA1
46039bd5fa6593c2016b355d9303b5b9e6d63326

SHA256
f1c68e0f31fedac6731156fdef7b10161d499f0ebf0dbbeaa5c856ac62cc9138

SHA512
592eda04afece2a38c91318faafb9e4706a7e915fb98a7a2fc77f39691c918dee7baa05ee545ea57d0952ed1015ffa9b3af3c1d90ce8ce20129efb644b4c6768

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
1KB

MD5
d0df5f9974138501424cb06472477adf

SHA1
9d143e2c9c48327c6fa0b4f2fb65be982037db51

SHA256
6c3615c908cb98afc062e70b7f985bf7b667fd8540a25824aa07a14b6b6a05d6

SHA512
9a7d8b47a8311e00ba206fee9bf0d42991a0caaf43492ea067bb6c9eb333a3231a35bae1efcd95add82d6dbfcfef5e10d42c084b9e73c5fdd7eadf8131324617

Download Submit
memory/2080-26-0x000000000D8D0000-0x000000000D920000-memory.dmp

Filesize
320KB

Download