585d11b927f9c131060be3938d7df66761ff01c11211b81599a210738ead2cab

Analysis

max time kernel
142s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2024, 23:39

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General

Target

c9ec5c814a1ccba1bc03f2502e466e26.pdf
Size

50KB
MD5

c9ec5c814a1ccba1bc03f2502e466e26
SHA1

b9c0240aae69a6d9009708edfaf407374d394ea6
SHA256

585d11b927f9c131060be3938d7df66761ff01c11211b81599a210738ead2cab
SHA512

c9c0ef5efc4df8a41e8c1221cc07a489046fde22649c88bea8e06eb523c1a4f54c2eaceed241a0759a0f8826605ff71e37226b7594c9d06c4bccc473052a5f0c
SSDEEP

768:SspjLOoeWYRny+4Q9J+zI+S28yTcQJWRcvGWahaR7BpR8Fs:SGneA+f6DRWRcjMaR7BpCq

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

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1384	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe
1384	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1384 wrote to memory of 4052	1384	AcroRd32.exe	85
PID 1384 wrote to memory of 4052	1384	AcroRd32.exe	85
PID 1384 wrote to memory of 4052	1384	AcroRd32.exe	85
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 3928	4052	RdrCEF.exe	86
PID 4052 wrote to memory of 4920	4052	RdrCEF.exe	87
PID 4052 wrote to memory of 4920	4052	RdrCEF.exe	87
PID 4052 wrote to memory of 4920	4052	RdrCEF.exe	87
PID 4052 wrote to memory of 4920	4052	RdrCEF.exe	87
PID 4052 wrote to memory of 4920	4052	RdrCEF.exe	87
PID 4052 wrote to memory of 4920	4052	RdrCEF.exe	87
PID 4052 wrote to memory of 4920	4052	RdrCEF.exe	87
PID 4052 wrote to memory of 4920	4052	RdrCEF.exe	87
PID 4052 wrote to memory of 4920	4052	RdrCEF.exe	87
PID 4052 wrote to memory of 4920	4052	RdrCEF.exe	87
PID 4052 wrote to memory of 4920	4052	RdrCEF.exe	87
PID 4052 wrote to memory of 4920	4052	RdrCEF.exe	87
PID 4052 wrote to memory of 4920	4052	RdrCEF.exe	87
PID 4052 wrote to memory of 4920	4052	RdrCEF.exe	87
PID 4052 wrote to memory of 4920	4052	RdrCEF.exe	87
PID 4052 wrote to memory of 4920	4052	RdrCEF.exe	87
PID 4052 wrote to memory of 4920	4052	RdrCEF.exe	87
PID 4052 wrote to memory of 4920	4052	RdrCEF.exe	87
PID 4052 wrote to memory of 4920	4052	RdrCEF.exe	87
PID 4052 wrote to memory of 4920	4052	RdrCEF.exe	87

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\c9ec5c814a1ccba1bc03f2502e466e26.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:1384
- 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:4052
- - 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=C540989485105F4808A7F28F1E48ABD7 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3928
- - 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=11A92F6C6696DD57562406F28B96A706 --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=11A92F6C6696DD57562406F28B96A706 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4920
- - 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=4935BC26DB70AAC1A922F912866D28DB --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1132
- - 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=B7893DA4537E5D56F9D6580E13EA21CF --mojo-platform-channel-handle=1764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2548
- - 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=3D282FA6E4BE5CBE9C28B0CAAC2FE4C5 --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=3D282FA6E4BE5CBE9C28B0CAAC2FE4C5 --renderer-client-id=6 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4760
- - 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=56EFA2E293F8D406B72827CD49A977A0 --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5048

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4552

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
a86356f9a181d0519e773930866ff8e1

SHA1
df2b05c9ccb1ea261df73ac3988d466bd4157183

SHA256
79a59fdbb9c724ab8670df36c12d2a9deee4c643c89efdd33e5b5c1817fb16ae

SHA512
d593dffefd088b4750f281c03fc8bd9b0b463dc7393c9df4f40612d5e6994df4b296b7cea796b4167968e0d8e1a90537d72d2aaaf7c599f52d4bf9108f0688b8

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
memory/1384-26-0x000000000A780000-0x000000000A7D0000-memory.dmp

Filesize
320KB

Download
memory/1384-28-0x000000000A780000-0x000000000A7A1000-memory.dmp

Filesize
132KB

Download