ecd2f638f6994330b23fc82ac3a332b078f604e70d614fe8f5c245008b456638

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14-03-2024 10:37

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General

Target

c8698bea845069d51264f02f07769218.pdf
Size

124KB
MD5

c8698bea845069d51264f02f07769218
SHA1

ac12086b94a753bbc5e743f9fd03eaa0576cbf8d
SHA256

ecd2f638f6994330b23fc82ac3a332b078f604e70d614fe8f5c245008b456638
SHA512

491025a559c4bdc500712f5e15691baff5a755cfbce8d181fd78a55f2e68489ac8ff80d39a0d62fbd45f4b39ed93e0f12e639b5a9bd1bfe15dc17388d37ca58e
SSDEEP

3072:+7bWiknZHkuWSEICAjnNQcSkk+zu7GtHPU:IbJknrWTAvRO

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5068	AcroRd32.exe
5068	AcroRd32.exe
5068	AcroRd32.exe
5068	AcroRd32.exe
5068	AcroRd32.exe
5068	AcroRd32.exe
5068	AcroRd32.exe
5068	AcroRd32.exe
5068	AcroRd32.exe
5068	AcroRd32.exe
5068	AcroRd32.exe
5068	AcroRd32.exe
5068	AcroRd32.exe
5068	AcroRd32.exe
5068	AcroRd32.exe
5068	AcroRd32.exe
5068	AcroRd32.exe
5068	AcroRd32.exe
5068	AcroRd32.exe
5068	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5068	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5068	AcroRd32.exe
5068	AcroRd32.exe
5068	AcroRd32.exe
5068	AcroRd32.exe
5068	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5068 wrote to memory of 2404	5068	AcroRd32.exe	92
PID 5068 wrote to memory of 2404	5068	AcroRd32.exe	92
PID 5068 wrote to memory of 2404	5068	AcroRd32.exe	92
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 4908	2404	RdrCEF.exe	93
PID 2404 wrote to memory of 3340	2404	RdrCEF.exe	94
PID 2404 wrote to memory of 3340	2404	RdrCEF.exe	94
PID 2404 wrote to memory of 3340	2404	RdrCEF.exe	94
PID 2404 wrote to memory of 3340	2404	RdrCEF.exe	94
PID 2404 wrote to memory of 3340	2404	RdrCEF.exe	94
PID 2404 wrote to memory of 3340	2404	RdrCEF.exe	94
PID 2404 wrote to memory of 3340	2404	RdrCEF.exe	94
PID 2404 wrote to memory of 3340	2404	RdrCEF.exe	94
PID 2404 wrote to memory of 3340	2404	RdrCEF.exe	94
PID 2404 wrote to memory of 3340	2404	RdrCEF.exe	94
PID 2404 wrote to memory of 3340	2404	RdrCEF.exe	94
PID 2404 wrote to memory of 3340	2404	RdrCEF.exe	94
PID 2404 wrote to memory of 3340	2404	RdrCEF.exe	94
PID 2404 wrote to memory of 3340	2404	RdrCEF.exe	94
PID 2404 wrote to memory of 3340	2404	RdrCEF.exe	94
PID 2404 wrote to memory of 3340	2404	RdrCEF.exe	94
PID 2404 wrote to memory of 3340	2404	RdrCEF.exe	94
PID 2404 wrote to memory of 3340	2404	RdrCEF.exe	94
PID 2404 wrote to memory of 3340	2404	RdrCEF.exe	94
PID 2404 wrote to memory of 3340	2404	RdrCEF.exe	94

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\c8698bea845069d51264f02f07769218.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:5068
- 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:2404
- - 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=3A707E5FA7BF45BEF1AC7C5900FD644F --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4908
- - 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=A3C32A0451A524C8B2E6F5ED3D11714C --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=A3C32A0451A524C8B2E6F5ED3D11714C --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3340
- - 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=DA5F361EFAE0B96088F0EB8CC92AD523 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=D134C672D468BFCB9F65A4920D8429A8 --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=D134C672D468BFCB9F65A4920D8429A8 --renderer-client-id=5 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4712
- - 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=E064B2080DB25739F404A2B726F999B4 --mojo-platform-channel-handle=2760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4168
- - 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=F831EB69FD70C903105F8D5B7F156563 --mojo-platform-channel-handle=1808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4500

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3564

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
f9575f8b8c06a432711e0d50245f65d5

SHA1
9b83935a29fe2287d2a5575d5d26607756d06b37

SHA256
0020946606b19c16228f2d94867675c56f5971dce7bf309f96b119875e909405

SHA512
94e367d6a11098e77b7b0f366b82347b7ea6d4c04b65d024570227fe367ec2d19c437e841eb4db3bfed2db97e90fd40f534bec2440c53a75a0947b1c2998b7c3

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/5068-26-0x000000000DE40000-0x000000000DE61000-memory.dmp

Filesize
132KB

Download