6da0ae6dd73338754dab70e8dfabc761013a6003ca227a0f5d2ba52750c27c92

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
10/01/2024, 09:45

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General

Target

503c1e8e3b625ae5e92117c01d32de00.pdf
Size

71KB
MD5

503c1e8e3b625ae5e92117c01d32de00
SHA1

e9cba36ba8419bcfc225deb1eba7234da653f846
SHA256

6da0ae6dd73338754dab70e8dfabc761013a6003ca227a0f5d2ba52750c27c92
SHA512

764c8674b976de031602dafb694c7349babd4e60bbd5d9100f7d9630061b45a2cd578b46bd07f9eca606909f0fe044daa6d0c6a3d4fa24b4579cf90c7945beb4
SSDEEP

1536:XV3j11LHDyPQsgpxXjEaQdnGd3xoezoyslWkkNmGM6xOUg:l3J1LHD0fgrTwdGdhoQoTWzXfI

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
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3260	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe
3260	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3260 wrote to memory of 1552	3260	AcroRd32.exe	92
PID 3260 wrote to memory of 1552	3260	AcroRd32.exe	92
PID 3260 wrote to memory of 1552	3260	AcroRd32.exe	92
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4716	1552	RdrCEF.exe	94
PID 1552 wrote to memory of 4720	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 4720	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 4720	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 4720	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 4720	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 4720	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 4720	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 4720	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 4720	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 4720	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 4720	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 4720	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 4720	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 4720	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 4720	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 4720	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 4720	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 4720	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 4720	1552	RdrCEF.exe	93
PID 1552 wrote to memory of 4720	1552	RdrCEF.exe	93

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\503c1e8e3b625ae5e92117c01d32de00.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:3260
- 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:1552
- - 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=AD2DAAD7A0851F001E9D7B83CDC1B6E9 --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=AD2DAAD7A0851F001E9D7B83CDC1B6E9 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4720
- - 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=EA16E6A870BB8C802B193BEF47733918 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4716
- - 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=D7E6118C22FD9F1065D7808BC239CE10 --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4444
- - 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=DB804AA30545003F7579DE393E36B79C --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:396
- - 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=D70A32B797D0551FBD3CCAA529AEC8E6 --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=D70A32B797D0551FBD3CCAA529AEC8E6 --renderer-client-id=7 --mojo-platform-channel-handle=2392 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2348
- - 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=3E43334A07F5B9A7DDA1F0838FB75AE8 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4324

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1384

C:\Windows\servicing\TrustedInstaller.exe
C:\Windows\servicing\TrustedInstaller.exe
1⤵
PID:4444

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
41KB

MD5
a3137846697463f2e6171bc5e8cc37f5

SHA1
5e85e0e06498e7ca6764f37b0368a63d257b4ae4

SHA256
ec300f111914fb32a4fd3f1e7433279457cd17b67a262066cbb20b6ed5cf15df

SHA512
0fdb188226f32473b3d34fe6f0e2277c7ff8f9e9b7a22679cf55fde8baf2be8372cc8a54e911393ad3bf918ac6f1fd1d81e15883b7694054550dd19db771a922

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