cc342e9ea55d45df899ab3367c707da1092fd4be207e1a8a522660f8a8c67001

Analysis

max time kernel
150s
max time network
152s
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 09:54

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General

Target

c854d725106580c4942e456969a24872.pdf
Size

90KB
MD5

c854d725106580c4942e456969a24872
SHA1

0ffc23da7d232b8a55589a0079fb70f8580e6ea6
SHA256

cc342e9ea55d45df899ab3367c707da1092fd4be207e1a8a522660f8a8c67001
SHA512

b23a578ca475cfd695c5821be2feac6903a65e92359b07047d05624107031857ec2ea0bc45cabf5c7a58862306c268c81b976a04e1a6e8a009293ee9446336c6
SSDEEP

1536:iKhfUb5d/193h0D4o2ShQ17Yh+XMQYrPLzP+yxUzsSADaqntgiWqjW/BP1+UWUpi:Lod33hz7ShQ17YhIMxrPLzP+tNPqtgAp

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-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1660	AcroRd32.exe
1660	AcroRd32.exe
1660	AcroRd32.exe
1660	AcroRd32.exe
1660	AcroRd32.exe
1660	AcroRd32.exe
1660	AcroRd32.exe
1660	AcroRd32.exe
1660	AcroRd32.exe
1660	AcroRd32.exe
1660	AcroRd32.exe
1660	AcroRd32.exe
1660	AcroRd32.exe
1660	AcroRd32.exe
1660	AcroRd32.exe
1660	AcroRd32.exe
1660	AcroRd32.exe
1660	AcroRd32.exe
1660	AcroRd32.exe
1660	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1660	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1660	AcroRd32.exe
1660	AcroRd32.exe
1660	AcroRd32.exe
1660	AcroRd32.exe
1660	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 3928	1660	AcroRd32.exe	93
PID 1660 wrote to memory of 3928	1660	AcroRd32.exe	93
PID 1660 wrote to memory of 3928	1660	AcroRd32.exe	93
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 3688	3928	RdrCEF.exe	96
PID 3928 wrote to memory of 4212	3928	RdrCEF.exe	97
PID 3928 wrote to memory of 4212	3928	RdrCEF.exe	97
PID 3928 wrote to memory of 4212	3928	RdrCEF.exe	97
PID 3928 wrote to memory of 4212	3928	RdrCEF.exe	97
PID 3928 wrote to memory of 4212	3928	RdrCEF.exe	97
PID 3928 wrote to memory of 4212	3928	RdrCEF.exe	97
PID 3928 wrote to memory of 4212	3928	RdrCEF.exe	97
PID 3928 wrote to memory of 4212	3928	RdrCEF.exe	97
PID 3928 wrote to memory of 4212	3928	RdrCEF.exe	97
PID 3928 wrote to memory of 4212	3928	RdrCEF.exe	97
PID 3928 wrote to memory of 4212	3928	RdrCEF.exe	97
PID 3928 wrote to memory of 4212	3928	RdrCEF.exe	97
PID 3928 wrote to memory of 4212	3928	RdrCEF.exe	97
PID 3928 wrote to memory of 4212	3928	RdrCEF.exe	97
PID 3928 wrote to memory of 4212	3928	RdrCEF.exe	97
PID 3928 wrote to memory of 4212	3928	RdrCEF.exe	97
PID 3928 wrote to memory of 4212	3928	RdrCEF.exe	97
PID 3928 wrote to memory of 4212	3928	RdrCEF.exe	97
PID 3928 wrote to memory of 4212	3928	RdrCEF.exe	97
PID 3928 wrote to memory of 4212	3928	RdrCEF.exe	97

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\c854d725106580c4942e456969a24872.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:1660
- 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: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=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=8C05F6C2F93BDDB9EFF7ACA0A08FF294 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3688
- - 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=9799004DEF2118FC0494357AB5E7516B --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=9799004DEF2118FC0494357AB5E7516B --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4212
- - 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=8A5806B92CB5655091778776DB41B23E --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5088
- - 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=5FDD196A6862B8A2351374E6D41F2483 --mojo-platform-channel-handle=1964 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4492
- - 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=BB7EDDAD5D71C14A8FABEE25FBD424E5 --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=BB7EDDAD5D71C14A8FABEE25FBD424E5 --renderer-client-id=6 --mojo-platform-channel-handle=1860 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2884
- - 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=7A2C1D1F217674C4E645C9670480D5F7 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4444

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4780

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
64KB

MD5
4e6fdbd2ed476be0fdd920a9e20bf8ad

SHA1
e49e77b3cf2f2159fb5694feffb4e186170eef41

SHA256
5d8fd4adf030d65949b0db773b748363a4863cb3224bf136b15e89e3fe3ee467

SHA512
f5fc3d721d4681876bc83594e5c0644abe131d08b301561fbb4bd46d9f7f29a7c09438592f2188782ad24ee15358849c78892838fe9a2e94946b6a3f5ce4dc1b

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/1660-26-0x000000000BA80000-0x000000000BAA1000-memory.dmp

Filesize
132KB

Download