5590a1edb5e8917f747dbef2d96b39519f58526e23934f0cb1443635aecaa808

Analysis

max time kernel
143s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2024 21:27

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General

Target

86e20b9eaf457370832c1c869849ae91.pdf
Size

81KB
MD5

86e20b9eaf457370832c1c869849ae91
SHA1

30e7ed14dc5a4df02cdb5d53f453763666ded9b8
SHA256

5590a1edb5e8917f747dbef2d96b39519f58526e23934f0cb1443635aecaa808
SHA512

4c459d583213dc9ae3295fdfada887916feafe5cd1a1cac4b71bf2a120fd7b7acfbd211b8efd797da5b8b2e7c653d2160bcc9a337262d2d9fc8ef8f14a36b6e0
SSDEEP

1536:lu5z2IZKvKJv0LPywOOqQL8CW/uyxvCK0xhPrbWHpOvTWDYvx8vGVU6bdc3I+99:Y5iU46wO27GuyITrpvHZ8+VU6Rc4k

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
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3268	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe
3268	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3268 wrote to memory of 5020	3268	AcroRd32.exe	92
PID 3268 wrote to memory of 5020	3268	AcroRd32.exe	92
PID 3268 wrote to memory of 5020	3268	AcroRd32.exe	92
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 1196	5020	RdrCEF.exe	93
PID 5020 wrote to memory of 2860	5020	RdrCEF.exe	94
PID 5020 wrote to memory of 2860	5020	RdrCEF.exe	94
PID 5020 wrote to memory of 2860	5020	RdrCEF.exe	94
PID 5020 wrote to memory of 2860	5020	RdrCEF.exe	94
PID 5020 wrote to memory of 2860	5020	RdrCEF.exe	94
PID 5020 wrote to memory of 2860	5020	RdrCEF.exe	94
PID 5020 wrote to memory of 2860	5020	RdrCEF.exe	94
PID 5020 wrote to memory of 2860	5020	RdrCEF.exe	94
PID 5020 wrote to memory of 2860	5020	RdrCEF.exe	94
PID 5020 wrote to memory of 2860	5020	RdrCEF.exe	94
PID 5020 wrote to memory of 2860	5020	RdrCEF.exe	94
PID 5020 wrote to memory of 2860	5020	RdrCEF.exe	94
PID 5020 wrote to memory of 2860	5020	RdrCEF.exe	94
PID 5020 wrote to memory of 2860	5020	RdrCEF.exe	94
PID 5020 wrote to memory of 2860	5020	RdrCEF.exe	94
PID 5020 wrote to memory of 2860	5020	RdrCEF.exe	94
PID 5020 wrote to memory of 2860	5020	RdrCEF.exe	94
PID 5020 wrote to memory of 2860	5020	RdrCEF.exe	94
PID 5020 wrote to memory of 2860	5020	RdrCEF.exe	94
PID 5020 wrote to memory of 2860	5020	RdrCEF.exe	94

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\86e20b9eaf457370832c1c869849ae91.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:3268
- 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:5020
- - 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=A0FA79CF97719B42CC82325BB5E6B394 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1196
- - 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=8DBC8ABF905E92148BC9C91CB815BB0E --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=8DBC8ABF905E92148BC9C91CB815BB0E --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2860
- - 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=4585BED9AF288CF31195ECCEE143B52D --mojo-platform-channel-handle=2184 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1972
- - 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=34AB2DB5C62915DE1A7E5AB40DE49550 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5100
- - 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=E5EE8C8BD729926B36DD3B985DCFF496 --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=E5EE8C8BD729926B36DD3B985DCFF496 --renderer-client-id=6 --mojo-platform-channel-handle=2204 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2004
- - 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=CEE9D6C4B37E80F4DC81CBEC54445B17 --mojo-platform-channel-handle=2748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4484

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4428

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
501f238ee4be13cbe87b1b2747bf5c98

SHA1
546f1d97b8c0363fc55189b68530899991a10348

SHA256
9de15d57184c8779423da4023acf7c945cba40adf80c419b4ca51b37bc56b854

SHA512
04652afe745c473fd34a1c6d75ec2bb6ef2667f811c152b3d9dfe5c02803d325e28e5672d9c8c14844b2a9b809bf8cc7bce863e6bc5f92129a11e01a2d6a365d

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