824e01356adb5a7c1035520f2f5f82134505f646386e743dc8946bbcb5ace97a

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
11-03-2024 10:15

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General

Target

c056084d5b45f8de4f1e5301c1375c97.pdf
Size

89KB
MD5

c056084d5b45f8de4f1e5301c1375c97
SHA1

5b7477e449c3d471dd42ce917ef6074b638224c8
SHA256

824e01356adb5a7c1035520f2f5f82134505f646386e743dc8946bbcb5ace97a
SHA512

44ab35c785bfe4a0c4c1880fafb8439e96a57cfb8b7cc887b506b6fea9b4a9e50b598c07a8171e083e4698910c49b83de8cbead84acc5b5dedf8f6972984eac2
SSDEEP

1536:zbSrImrj9VIXlSiNCUe3IiqIGzvTmnD8gjdyvLMJdeiV77AX4EaW8ukYSSubJOW8:SEmrRaX8iNZe3JqIGXIoozeGAIuibJTi

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-1-5-21-1497073144-2389943819-3385106915-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4088	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe
4088	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4088 wrote to memory of 2452	4088	AcroRd32.exe	84
PID 4088 wrote to memory of 2452	4088	AcroRd32.exe	84
PID 4088 wrote to memory of 2452	4088	AcroRd32.exe	84
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 5100	2452	RdrCEF.exe	85
PID 2452 wrote to memory of 920	2452	RdrCEF.exe	86
PID 2452 wrote to memory of 920	2452	RdrCEF.exe	86
PID 2452 wrote to memory of 920	2452	RdrCEF.exe	86
PID 2452 wrote to memory of 920	2452	RdrCEF.exe	86
PID 2452 wrote to memory of 920	2452	RdrCEF.exe	86
PID 2452 wrote to memory of 920	2452	RdrCEF.exe	86
PID 2452 wrote to memory of 920	2452	RdrCEF.exe	86
PID 2452 wrote to memory of 920	2452	RdrCEF.exe	86
PID 2452 wrote to memory of 920	2452	RdrCEF.exe	86
PID 2452 wrote to memory of 920	2452	RdrCEF.exe	86
PID 2452 wrote to memory of 920	2452	RdrCEF.exe	86
PID 2452 wrote to memory of 920	2452	RdrCEF.exe	86
PID 2452 wrote to memory of 920	2452	RdrCEF.exe	86
PID 2452 wrote to memory of 920	2452	RdrCEF.exe	86
PID 2452 wrote to memory of 920	2452	RdrCEF.exe	86
PID 2452 wrote to memory of 920	2452	RdrCEF.exe	86
PID 2452 wrote to memory of 920	2452	RdrCEF.exe	86
PID 2452 wrote to memory of 920	2452	RdrCEF.exe	86
PID 2452 wrote to memory of 920	2452	RdrCEF.exe	86
PID 2452 wrote to memory of 920	2452	RdrCEF.exe	86

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\c056084d5b45f8de4f1e5301c1375c97.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:4088
- 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:2452
- - 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=574916BE7C4E431DA8A3F8F55631D005 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5100
- - 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=6F375A341005DA833CF2D4D43A0E353E --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=6F375A341005DA833CF2D4D43A0E353E --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:920
- - 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=AF239C7D1AB9316A78F6403397DC3AF2 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2144
- - 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=24D9D895BC17BF9E650BC0F1E31A7C79 --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=24D9D895BC17BF9E650BC0F1E31A7C79 --renderer-client-id=5 --mojo-platform-channel-handle=1904 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:116
- - 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=8A0F20697984515C66EA3503DA2A0B68 --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2968
- - 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=66CFAE6F64236BC0E8D770655EDDA063 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1720

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1568

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
ecb35978bf306df9f9f52ddae25ed23c

SHA1
c2961dd48b449cc141e6b2d5d6e51c197806ee61

SHA256
cc74ccee77e494ef23b5d985201c6d7bed404bb4933e7866efc9e6a2e222de0a

SHA512
34a35084b5f82c1d9e2ecaff8e9c8a60f9bc2da56ad185027bd42047e4467023778d5edd61436eb4da91b8fa21bb3e7afb18abb894db9ca06cd7f7ded5fad157

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