4d60fcb38b1a7d4722249819a3708b7efaef808c4cb821ea1da786c7cfa91a34

Analysis

max time kernel
149s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 09:26

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General

Target

14642a4e88b85207c78411934806e7af.pdf
Size

78KB
MD5

14642a4e88b85207c78411934806e7af
SHA1

6228c2f2d77ff2b215fa267a52a21329e9cb1ebe
SHA256

4d60fcb38b1a7d4722249819a3708b7efaef808c4cb821ea1da786c7cfa91a34
SHA512

6eb5d9c4f5d8cc8f55852121af11ee33b46ba5f23bd20f3e88349b479858b1d8d4bc81750dad23bbb4d2387ab79e958eeb584903a8bb24a15bdb11b4043f89f6
SSDEEP

1536:cjPj2NM9fBnJBwwGoLirhdVMrpXveFetoRK+pwtWHpOvv2KCaWdNdc3XojJ:2PaNOpJuFoGVbMrpWFeQK+pwbvv2KC9P

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1572	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe
1572	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1572 wrote to memory of 2572	1572	AcroRd32.exe	95
PID 1572 wrote to memory of 2572	1572	AcroRd32.exe	95
PID 1572 wrote to memory of 2572	1572	AcroRd32.exe	95
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 4056	2572	RdrCEF.exe	97
PID 2572 wrote to memory of 1104	2572	RdrCEF.exe	96
PID 2572 wrote to memory of 1104	2572	RdrCEF.exe	96
PID 2572 wrote to memory of 1104	2572	RdrCEF.exe	96
PID 2572 wrote to memory of 1104	2572	RdrCEF.exe	96
PID 2572 wrote to memory of 1104	2572	RdrCEF.exe	96
PID 2572 wrote to memory of 1104	2572	RdrCEF.exe	96
PID 2572 wrote to memory of 1104	2572	RdrCEF.exe	96
PID 2572 wrote to memory of 1104	2572	RdrCEF.exe	96
PID 2572 wrote to memory of 1104	2572	RdrCEF.exe	96
PID 2572 wrote to memory of 1104	2572	RdrCEF.exe	96
PID 2572 wrote to memory of 1104	2572	RdrCEF.exe	96
PID 2572 wrote to memory of 1104	2572	RdrCEF.exe	96
PID 2572 wrote to memory of 1104	2572	RdrCEF.exe	96
PID 2572 wrote to memory of 1104	2572	RdrCEF.exe	96
PID 2572 wrote to memory of 1104	2572	RdrCEF.exe	96
PID 2572 wrote to memory of 1104	2572	RdrCEF.exe	96
PID 2572 wrote to memory of 1104	2572	RdrCEF.exe	96
PID 2572 wrote to memory of 1104	2572	RdrCEF.exe	96
PID 2572 wrote to memory of 1104	2572	RdrCEF.exe	96
PID 2572 wrote to memory of 1104	2572	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\14642a4e88b85207c78411934806e7af.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:1572
- 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:2572
- - 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=2E0BD39F38B2C8F675288CE6E6A9BE28 --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=2E0BD39F38B2C8F675288CE6E6A9BE28 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1104
- - 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=2F8A006F5B1A7106037B7AAFE80142AB --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4056
- - 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=EBDC26F5684D4A7705A1E2981A13DFF1 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1656
- - 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=857F97B92E8CA11AC80EB22EA65888C3 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1000
- - 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=B86FA091AC575F247956C6D093BE1B9A --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=B86FA091AC575F247956C6D093BE1B9A --renderer-client-id=6 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3144
- - 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=092F499E4E39927D8BC331FC3E50713C --mojo-platform-channel-handle=2544 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1908

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3764

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
d8a1a6e3f330b9083157021fa2da3a24

SHA1
0bb9c76a542d545c0fb613d9294a986a51a63874

SHA256
dc05634f1a1dc6485edb612989dae30f12bcfe41185de55f05afd5d74c8929e4

SHA512
e8149405d6535472e514b50ef25e8cb2e85024ac66175abd064b0c55fedd04db61e26c1e9d646a556d24d9e9a18a164e9277736c064086cd749340b4d0a44522

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit