278fca5f63ccaa2ad2052b985957aee7287f573b635a8e25ee6092157b3b521a

Analysis

max time kernel
142s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
19-01-2024 16:41

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General

Target

681f6f423fb8286756e1375cc9e13b09.pdf
Size

86KB
MD5

681f6f423fb8286756e1375cc9e13b09
SHA1

771cbd3399ffe609e35a44efa320fdfebabf5ef4
SHA256

278fca5f63ccaa2ad2052b985957aee7287f573b635a8e25ee6092157b3b521a
SHA512

a6a981372cdb19aeea4076c8b1fab9f5c5df561fe4f80fde2bf6afc7d8caaddd3962ae15a539c550adb18db618d67bd6fa89b7f7536e79f4a2d7d1a9420cfeec
SSDEEP

1536:Sc67NR8PtIBVTn0t2C/oN8dYfRDLpZwoS6Wkp9BFFmbvE7q3l4WfDd0gYMfvsWx+:pPtwN0X3dYZDLwoqkj7oj10Mfvt3GP

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2524	AcroRd32.exe
2524	AcroRd32.exe
2524	AcroRd32.exe
2524	AcroRd32.exe
2524	AcroRd32.exe
2524	AcroRd32.exe
2524	AcroRd32.exe
2524	AcroRd32.exe
2524	AcroRd32.exe
2524	AcroRd32.exe
2524	AcroRd32.exe
2524	AcroRd32.exe
2524	AcroRd32.exe
2524	AcroRd32.exe
2524	AcroRd32.exe
2524	AcroRd32.exe
2524	AcroRd32.exe
2524	AcroRd32.exe
2524	AcroRd32.exe
2524	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2524	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2524	AcroRd32.exe
2524	AcroRd32.exe
2524	AcroRd32.exe
2524	AcroRd32.exe
2524	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 4452	2524	AcroRd32.exe	100
PID 2524 wrote to memory of 4452	2524	AcroRd32.exe	100
PID 2524 wrote to memory of 4452	2524	AcroRd32.exe	100
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 4156	4452	RdrCEF.exe	101
PID 4452 wrote to memory of 3092	4452	RdrCEF.exe	102
PID 4452 wrote to memory of 3092	4452	RdrCEF.exe	102
PID 4452 wrote to memory of 3092	4452	RdrCEF.exe	102
PID 4452 wrote to memory of 3092	4452	RdrCEF.exe	102
PID 4452 wrote to memory of 3092	4452	RdrCEF.exe	102
PID 4452 wrote to memory of 3092	4452	RdrCEF.exe	102
PID 4452 wrote to memory of 3092	4452	RdrCEF.exe	102
PID 4452 wrote to memory of 3092	4452	RdrCEF.exe	102
PID 4452 wrote to memory of 3092	4452	RdrCEF.exe	102
PID 4452 wrote to memory of 3092	4452	RdrCEF.exe	102
PID 4452 wrote to memory of 3092	4452	RdrCEF.exe	102
PID 4452 wrote to memory of 3092	4452	RdrCEF.exe	102
PID 4452 wrote to memory of 3092	4452	RdrCEF.exe	102
PID 4452 wrote to memory of 3092	4452	RdrCEF.exe	102
PID 4452 wrote to memory of 3092	4452	RdrCEF.exe	102
PID 4452 wrote to memory of 3092	4452	RdrCEF.exe	102
PID 4452 wrote to memory of 3092	4452	RdrCEF.exe	102
PID 4452 wrote to memory of 3092	4452	RdrCEF.exe	102
PID 4452 wrote to memory of 3092	4452	RdrCEF.exe	102
PID 4452 wrote to memory of 3092	4452	RdrCEF.exe	102

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\681f6f423fb8286756e1375cc9e13b09.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:2524
- 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:4452
- - 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=E5192CA47B802C287FABD62893656763 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4156
- - 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=E236AF0FF26C2FBDEF38ED1155D30744 --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=E236AF0FF26C2FBDEF38ED1155D30744 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3092
- - 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=E5DAA0CF2E646AE506F9418D7BE23759 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4640
- - 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=8600A704BDAAD75C407B1E3C13659640 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3052
- - 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=A21D572C4728A9EFF77C55C4491FF0FC --mojo-platform-channel-handle=2204 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3740
- - 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=DDEDD0ED1F203FD2AE00D749D940A468 --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=DDEDD0ED1F203FD2AE00D749D940A468 --renderer-client-id=7 --mojo-platform-channel-handle=2196 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2416

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3572

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
9e3091a1dfad5042fce2f6c7014a25ba

SHA1
1c9688a8d1fc4a4dce390017d2a58314a7c1e5e1

SHA256
3d7535dca79f5bbc362b20bb00853c3917a2777e4dd24bfcbe8821a5578c1278

SHA512
0bd2c98a9677b54d589d26b4a2fd4cef2f4152df104a72d308c6fb52843163953aa3769653d09d4d5fdd5c87af85c1371ff5190b7ac5639bb00a6c1f38aa1a3b

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