65371792189b7273aa59874c1e5d64fe013cfaf0c4f8a016f923895529b1ff88

Analysis

max time kernel
5s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
31/12/2023, 13:51

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General

Target

38b60c8d52bcee11dcc6ac3dad8f9f15.pdf
Size

71KB
MD5

38b60c8d52bcee11dcc6ac3dad8f9f15
SHA1

d96004c09c8491ef8a745499967ce84bdf0b5798
SHA256

65371792189b7273aa59874c1e5d64fe013cfaf0c4f8a016f923895529b1ff88
SHA512

217c98ea8200b06b25e1e1365469e087006d93f759ee77321be193f0a9d0cb641a698e1461e4f485ebca2192b04b62863267a1e349ab0f25c0e5c5b5f2bb8a75
SSDEEP

1536:FgvakgUmTEOTaS/+Oe8lsmIVTXRGp74ZGlrlJxfQ/vykWq:2vazoOTaS/+O+jhXRGpBrIiu

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 use of FindShellTrayWindow 1 IoCs

pid	Process
3672	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe
3672	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3672 wrote to memory of 1600	3672	AcroRd32.exe	91
PID 3672 wrote to memory of 1600	3672	AcroRd32.exe	91
PID 3672 wrote to memory of 1600	3672	AcroRd32.exe	91
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 3960	1600	RdrCEF.exe	93
PID 1600 wrote to memory of 4680	1600	RdrCEF.exe	92
PID 1600 wrote to memory of 4680	1600	RdrCEF.exe	92
PID 1600 wrote to memory of 4680	1600	RdrCEF.exe	92
PID 1600 wrote to memory of 4680	1600	RdrCEF.exe	92
PID 1600 wrote to memory of 4680	1600	RdrCEF.exe	92
PID 1600 wrote to memory of 4680	1600	RdrCEF.exe	92
PID 1600 wrote to memory of 4680	1600	RdrCEF.exe	92
PID 1600 wrote to memory of 4680	1600	RdrCEF.exe	92
PID 1600 wrote to memory of 4680	1600	RdrCEF.exe	92
PID 1600 wrote to memory of 4680	1600	RdrCEF.exe	92
PID 1600 wrote to memory of 4680	1600	RdrCEF.exe	92
PID 1600 wrote to memory of 4680	1600	RdrCEF.exe	92
PID 1600 wrote to memory of 4680	1600	RdrCEF.exe	92
PID 1600 wrote to memory of 4680	1600	RdrCEF.exe	92
PID 1600 wrote to memory of 4680	1600	RdrCEF.exe	92
PID 1600 wrote to memory of 4680	1600	RdrCEF.exe	92
PID 1600 wrote to memory of 4680	1600	RdrCEF.exe	92
PID 1600 wrote to memory of 4680	1600	RdrCEF.exe	92
PID 1600 wrote to memory of 4680	1600	RdrCEF.exe	92
PID 1600 wrote to memory of 4680	1600	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\38b60c8d52bcee11dcc6ac3dad8f9f15.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3672
- 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:1600
- - 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=5AE837C9C376E2A34CE9DF343237101E --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=5AE837C9C376E2A34CE9DF343237101E --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4680
- - 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=75857DF000F7F54054612380A48DA489 --mojo-platform-channel-handle=1748 --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=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=C45E862644D8EF013D05F0C718E47C4E --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2880
- - 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=2AE7F9ADA0D4A7FACA7C69BEBA3DB33F --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=2AE7F9ADA0D4A7FACA7C69BEBA3DB33F --renderer-client-id=5 --mojo-platform-channel-handle=2424 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4900
- - 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=C3F2DCDABEFA9EDA68AC474802C12FFE --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5004
- - 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=9DE61F3CDDD64078DB80D7A608EA35BC --mojo-platform-channel-handle=2020 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2348

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1496

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
d49f5255b9795662c458b8c57e955d1c

SHA1
6c620e6a429d7d9acc3816b721620776fb11e5e4

SHA256
2b62a9d6343de10899a8af086bf35d58e301327112ef1379acee8bac77848b11

SHA512
10501b159d19fba09aeb54d9384bdc4a0f716c1d7a25f69fbd1a810bfc4eda505d6397adbf4c57d5d558c7ddf7e6186aa67c249bedbf48041c228d3c887208df

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit
memory/3672-27-0x000000000A420000-0x000000000A441000-memory.dmp

Filesize
132KB

Download