15eb58bd7b88b0d572764a23f4223089299a52b99a6d98ecdc590b8077f6ede2

Analysis

max time kernel
142s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
14/02/2024, 14:17

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General

Target

9be59b3cf66b8cb45da59a04e6f97c4c.pdf
Size

48KB
MD5

9be59b3cf66b8cb45da59a04e6f97c4c
SHA1

31dc625a558c6ec378abcbeefd137b0fd75cc40d
SHA256

15eb58bd7b88b0d572764a23f4223089299a52b99a6d98ecdc590b8077f6ede2
SHA512

e9d438f160c1917d5636f47acab6625fed992ffb3b6c7cacf5115297cbfc7ec515a1d5c1835eae8b3ffd9dae2e91b9495036b22ec8f974981dc43f56caa332f0
SSDEEP

768:6EHAQYcOsIZcVFY+AqUIMAMHWxNUnVB/3ZwQPKSKjPVHY3BnZmZ:dHAQYcOEVTMzWxN+VdHK3Z+fmZ

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1712	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe
1712	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1712 wrote to memory of 4908	1712	AcroRd32.exe	85
PID 1712 wrote to memory of 4908	1712	AcroRd32.exe	85
PID 1712 wrote to memory of 4908	1712	AcroRd32.exe	85
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 3484	4908	RdrCEF.exe	86
PID 4908 wrote to memory of 856	4908	RdrCEF.exe	87
PID 4908 wrote to memory of 856	4908	RdrCEF.exe	87
PID 4908 wrote to memory of 856	4908	RdrCEF.exe	87
PID 4908 wrote to memory of 856	4908	RdrCEF.exe	87
PID 4908 wrote to memory of 856	4908	RdrCEF.exe	87
PID 4908 wrote to memory of 856	4908	RdrCEF.exe	87
PID 4908 wrote to memory of 856	4908	RdrCEF.exe	87
PID 4908 wrote to memory of 856	4908	RdrCEF.exe	87
PID 4908 wrote to memory of 856	4908	RdrCEF.exe	87
PID 4908 wrote to memory of 856	4908	RdrCEF.exe	87
PID 4908 wrote to memory of 856	4908	RdrCEF.exe	87
PID 4908 wrote to memory of 856	4908	RdrCEF.exe	87
PID 4908 wrote to memory of 856	4908	RdrCEF.exe	87
PID 4908 wrote to memory of 856	4908	RdrCEF.exe	87
PID 4908 wrote to memory of 856	4908	RdrCEF.exe	87
PID 4908 wrote to memory of 856	4908	RdrCEF.exe	87
PID 4908 wrote to memory of 856	4908	RdrCEF.exe	87
PID 4908 wrote to memory of 856	4908	RdrCEF.exe	87
PID 4908 wrote to memory of 856	4908	RdrCEF.exe	87
PID 4908 wrote to memory of 856	4908	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\9be59b3cf66b8cb45da59a04e6f97c4c.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:1712
- 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: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=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=B912CA8C724DE936F8B41A31284298EF --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3484
- - 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=5CEE96713800FF19606794D031583E47 --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=5CEE96713800FF19606794D031583E47 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:856
- - 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=772565AF06FCA2CA3EF1D1150FAEC803 --mojo-platform-channel-handle=2292 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1716
- - 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=054DB279B8B9BEDBE1EDF29A32CA115E --mojo-platform-channel-handle=1928 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3960
- - 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=D187BADDE728DC3316A70E806092165B --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=D187BADDE728DC3316A70E806092165B --renderer-client-id=6 --mojo-platform-channel-handle=2336 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4376
- - 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=79D062311172F5C4608DBFE95CE0FE73 --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3600

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2920

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
ed578c427b636825cfc74c0f82c6ecd3

SHA1
3ccd8c7c66fedb7bd318a6c3db953bba64160eb5

SHA256
5be2ab1acd4d5b36109e38e125479144cf4c647d850bd081bf4fd5aa02635def

SHA512
87f04e05d397536bc180f3026ca21f0108e06b5b0d6d07296734535711b18382cd3428497005235cd6f8457ef4d93e19c3cc34f53d4001a993f85b95a38d7afd

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/1712-26-0x000000000A800000-0x000000000A850000-memory.dmp

Filesize
320KB

Download