07c94b071336a06d786d2cdf5533ef5f901da9e34d48ca0d0c0fe1de2009da9b

Analysis

max time kernel
143s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
26/01/2024, 02:07

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General

Target

761b02b3a8387f8ae621cc4f446fc37b.pdf
Size

23KB
MD5

761b02b3a8387f8ae621cc4f446fc37b
SHA1

92756660ed7d971ef0c5283351612bfe76ab581e
SHA256

07c94b071336a06d786d2cdf5533ef5f901da9e34d48ca0d0c0fe1de2009da9b
SHA512

9c49328bb205fbc82d53d58ceb817787f47eef674de301393bf1a1e13c08046e00261dffd81656225f15de33119810b597799021ac6fab53cbc9836c44698366
SSDEEP

384:HbBuIwsJFnqDsBS3bOi8Y7ZavIZk+6gpLqNLNwe/QqOM023uw:HQsbno1Oi8Y7ZavIZk+6KLqZN3gM0uuw

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe
3480	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3480 wrote to memory of 384	3480	AcroRd32.exe	90
PID 3480 wrote to memory of 384	3480	AcroRd32.exe	90
PID 3480 wrote to memory of 384	3480	AcroRd32.exe	90
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 5064	384	RdrCEF.exe	91
PID 384 wrote to memory of 4388	384	RdrCEF.exe	92
PID 384 wrote to memory of 4388	384	RdrCEF.exe	92
PID 384 wrote to memory of 4388	384	RdrCEF.exe	92
PID 384 wrote to memory of 4388	384	RdrCEF.exe	92
PID 384 wrote to memory of 4388	384	RdrCEF.exe	92
PID 384 wrote to memory of 4388	384	RdrCEF.exe	92
PID 384 wrote to memory of 4388	384	RdrCEF.exe	92
PID 384 wrote to memory of 4388	384	RdrCEF.exe	92
PID 384 wrote to memory of 4388	384	RdrCEF.exe	92
PID 384 wrote to memory of 4388	384	RdrCEF.exe	92
PID 384 wrote to memory of 4388	384	RdrCEF.exe	92
PID 384 wrote to memory of 4388	384	RdrCEF.exe	92
PID 384 wrote to memory of 4388	384	RdrCEF.exe	92
PID 384 wrote to memory of 4388	384	RdrCEF.exe	92
PID 384 wrote to memory of 4388	384	RdrCEF.exe	92
PID 384 wrote to memory of 4388	384	RdrCEF.exe	92
PID 384 wrote to memory of 4388	384	RdrCEF.exe	92
PID 384 wrote to memory of 4388	384	RdrCEF.exe	92
PID 384 wrote to memory of 4388	384	RdrCEF.exe	92
PID 384 wrote to memory of 4388	384	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\761b02b3a8387f8ae621cc4f446fc37b.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3480
- 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:384
- - 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=95BFBE1A59A8F6200E999CD7C876FB46 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5064
- - 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=701D18336205DC501582A148C9676827 --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=701D18336205DC501582A148C9676827 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4388
- - 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=6D8005D6078B57AAA080F1DBB6C6EDC4 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1156
- - 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=6754FC43E89EDFAA4CDD11CB92A4F34C --mojo-platform-channel-handle=1900 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:832
- - 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=C041F473540AA971403B2355C313AC84 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3128

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
b8cf78eb06878e13b7d39b3639327c17

SHA1
c2edb299575b99a3836d9d8960ce196b7f0a1bc5

SHA256
3b5bca4a431d4a65cd71c65bebbb34739ea80592ba98a322190891a3f19d3920

SHA512
cb5d1430d6f99efa65b695c8e6b4a63deb2801ddd1a688f9fa254b3cc2b39095c91c919fc227322ecd661d9bba8cb0dccf3382313fb28a6a1f0932f7252ab28e

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/3480-127-0x0000000009BA0000-0x0000000009E4B000-memory.dmp

Filesize
2.7MB

Download