8fc09d90ca7baf41b0dfab9668277a05692f243a74d395dd6d20e5b8a193ac7f

Analysis

max time kernel
141s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
11/03/2024, 13:26

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General

Target

c0b41e460c8b5fab03fbce306c51faf7.pdf
Size

84KB
MD5

c0b41e460c8b5fab03fbce306c51faf7
SHA1

a4c66428d043866e9b84b8a298f35a23d9e46807
SHA256

8fc09d90ca7baf41b0dfab9668277a05692f243a74d395dd6d20e5b8a193ac7f
SHA512

6846be336f6a5dda924c67de599fd2ee8656d26e02aa1a782669d33aafe4561418523737d6d8cf71513d0d940ca9433a8e4f591617fdcf807be29da0b4a875ac
SSDEEP

1536:bkdu076L5vgqhuxe07tC43NKDOLE7YBS/rer5U/rWM5ORG1Ghtb0lXYIWV2rFkAD:Uu076L5vJgt/Ksx4/rerm/39otMYl2JD

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
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1632	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe
1632	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 4648	1632	AcroRd32.exe	90
PID 1632 wrote to memory of 4648	1632	AcroRd32.exe	90
PID 1632 wrote to memory of 4648	1632	AcroRd32.exe	90
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 4764	4648	RdrCEF.exe	91
PID 4648 wrote to memory of 1564	4648	RdrCEF.exe	92
PID 4648 wrote to memory of 1564	4648	RdrCEF.exe	92
PID 4648 wrote to memory of 1564	4648	RdrCEF.exe	92
PID 4648 wrote to memory of 1564	4648	RdrCEF.exe	92
PID 4648 wrote to memory of 1564	4648	RdrCEF.exe	92
PID 4648 wrote to memory of 1564	4648	RdrCEF.exe	92
PID 4648 wrote to memory of 1564	4648	RdrCEF.exe	92
PID 4648 wrote to memory of 1564	4648	RdrCEF.exe	92
PID 4648 wrote to memory of 1564	4648	RdrCEF.exe	92
PID 4648 wrote to memory of 1564	4648	RdrCEF.exe	92
PID 4648 wrote to memory of 1564	4648	RdrCEF.exe	92
PID 4648 wrote to memory of 1564	4648	RdrCEF.exe	92
PID 4648 wrote to memory of 1564	4648	RdrCEF.exe	92
PID 4648 wrote to memory of 1564	4648	RdrCEF.exe	92
PID 4648 wrote to memory of 1564	4648	RdrCEF.exe	92
PID 4648 wrote to memory of 1564	4648	RdrCEF.exe	92
PID 4648 wrote to memory of 1564	4648	RdrCEF.exe	92
PID 4648 wrote to memory of 1564	4648	RdrCEF.exe	92
PID 4648 wrote to memory of 1564	4648	RdrCEF.exe	92
PID 4648 wrote to memory of 1564	4648	RdrCEF.exe	92

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\c0b41e460c8b5fab03fbce306c51faf7.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:1632
- 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:4648
- - 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=BB8DBB13A1327C244E0DBF9C095BCBB3 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4764
- - 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=4A972C944C3A9F63A513F63A72AD058F --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=4A972C944C3A9F63A513F63A72AD058F --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1564
- - 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=02E95FD0DA7236CB9D446A916CA66BE0 --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1328
- - 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=F571F704B5103C8CEDF059A7978229B8 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4832
- - 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=405FE2B1001885D8F53BC4F341139C66 --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=405FE2B1001885D8F53BC4F341139C66 --renderer-client-id=6 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3092
- - 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=4841F296CDE694215E18129135766046 --mojo-platform-channel-handle=2236 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4504

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
b098d53f9ec353adbc13ea04762d8194

SHA1
f07fbdc5d4aff74a589e79c01a1587a04a345f30

SHA256
c3eeefc4261fedd5779aa1ae38ac5c0a6038f1c0969f053029f035ec237be79d

SHA512
23737e602e9b18e762820e812a5fa183a3905a75a51268db1d61a055feb10a8fbeb94a6a6b3093e708d2c87b725bddb75558a1188d56965b804cad05a2f0a372

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/1632-27-0x000000000B440000-0x000000000B461000-memory.dmp

Filesize
132KB

Download