da847a06af6480b1c3c5666e448de65ee26c812de2d8e4fb7e008a2c07776e47

Analysis

max time kernel
204s
max time network
219s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2023, 03:15

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General

Target

0cadd28ea099b6635c82056727df0d42.pdf
Size

85KB
MD5

0cadd28ea099b6635c82056727df0d42
SHA1

40e99f77402914f365523befb22ceb644bdd83d2
SHA256

da847a06af6480b1c3c5666e448de65ee26c812de2d8e4fb7e008a2c07776e47
SHA512

becacb3ed5445450206fdb25ba5f4fe0d6e4bffbdb20650667ba432d8fad26b3c0a3c276e49333e7f54d01004000dd5398cc4ac3333748206e59b803a9fff0eb
SSDEEP

1536:N7EXqqNNj61oerz0b/dSA6FC/FChKVczwbCTWHpOvTWyNiBpEfmjTN5IIp:lY/NkNrob/dSA6FiYhaCxvXNwplTn1

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3780	AcroRd32.exe
3780	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3780	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3780 wrote to memory of 1640	3780	AcroRd32.exe	93
PID 3780 wrote to memory of 1640	3780	AcroRd32.exe	93
PID 3780 wrote to memory of 1640	3780	AcroRd32.exe	93
PID 3780 wrote to memory of 2424	3780	AcroRd32.exe	98
PID 3780 wrote to memory of 2424	3780	AcroRd32.exe	98
PID 3780 wrote to memory of 2424	3780	AcroRd32.exe	98
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 1640 wrote to memory of 4292	1640	RdrCEF.exe	104
PID 3780 wrote to memory of 1448	3780	AcroRd32.exe	103
PID 3780 wrote to memory of 1448	3780	AcroRd32.exe	103
PID 3780 wrote to memory of 1448	3780	AcroRd32.exe	103
PID 3780 wrote to memory of 4380	3780	AcroRd32.exe	105
PID 3780 wrote to memory of 4380	3780	AcroRd32.exe	105
PID 3780 wrote to memory of 4380	3780	AcroRd32.exe	105
PID 4380 wrote to memory of 3160	4380	RdrCEF.exe	107
PID 4380 wrote to memory of 3160	4380	RdrCEF.exe	107
PID 4380 wrote to memory of 3160	4380	RdrCEF.exe	107
PID 4380 wrote to memory of 3160	4380	RdrCEF.exe	107
PID 4380 wrote to memory of 3160	4380	RdrCEF.exe	107
PID 4380 wrote to memory of 3160	4380	RdrCEF.exe	107
PID 4380 wrote to memory of 3160	4380	RdrCEF.exe	107
PID 4380 wrote to memory of 3160	4380	RdrCEF.exe	107
PID 4380 wrote to memory of 3160	4380	RdrCEF.exe	107
PID 4380 wrote to memory of 3160	4380	RdrCEF.exe	107
PID 4380 wrote to memory of 3160	4380	RdrCEF.exe	107
PID 4380 wrote to memory of 3160	4380	RdrCEF.exe	107
PID 4380 wrote to memory of 3160	4380	RdrCEF.exe	107
PID 4380 wrote to memory of 3160	4380	RdrCEF.exe	107
PID 4380 wrote to memory of 3160	4380	RdrCEF.exe	107
PID 4380 wrote to memory of 3160	4380	RdrCEF.exe	107
PID 4380 wrote to memory of 3160	4380	RdrCEF.exe	107
PID 4380 wrote to memory of 3160	4380	RdrCEF.exe	107
PID 4380 wrote to memory of 3160	4380	RdrCEF.exe	107

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\0cadd28ea099b6635c82056727df0d42.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:3780
- 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:1640
- - 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=8F5E6596697E49136A0B61836DAC4F51 --mojo-platform-channel-handle=1712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4292
- 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⤵
  PID:2424
- 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⤵
  PID:1448
- 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:4380
- - 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=2150C98ADD5E7D389D4F181B21044F57 --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=2150C98ADD5E7D389D4F181B21044F57 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3160
- - 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=2D09F5E246CFA77A4536FF14D6F4C633 --mojo-platform-channel-handle=1812 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1292

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
36KB

MD5
b30d3becc8731792523d599d949e63f5

SHA1
19350257e42d7aee17fb3bf139a9d3adb330fad4

SHA256
b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3

SHA512
523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit