95f601d31856ce9af50447b73288c1719172e04f7beff2b2eea39693fcc64837

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
15-01-2024 04:07

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General

Target

5c17682a77b2ff6d35552926ac63b12a.pdf
Size

39KB
MD5

5c17682a77b2ff6d35552926ac63b12a
SHA1

e5a5ed2bdde0dd6e69b99c6751e5dc78f7f1b5ee
SHA256

95f601d31856ce9af50447b73288c1719172e04f7beff2b2eea39693fcc64837
SHA512

5bd7d164a6e451c61764159506486719ed79388f4e71bdb31761461500220c8319cf3aca6fa10ef2e569126821b7f1e1bf0ca3930032cc6b4625abd42d5503a0
SSDEEP

768:NqMgGzpDwp9l5XwEllwBx4RXNAtF43iH1dyulPuIagYS2pC:gGFkph+4NNAF46JVuOYS2pC

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-1-5-21-635608581-3370340891-292606865-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4472	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe
4472	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4472 wrote to memory of 2928	4472	AcroRd32.exe	92
PID 4472 wrote to memory of 2928	4472	AcroRd32.exe	92
PID 4472 wrote to memory of 2928	4472	AcroRd32.exe	92
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2500	2928	RdrCEF.exe	93
PID 2928 wrote to memory of 2940	2928	RdrCEF.exe	94
PID 2928 wrote to memory of 2940	2928	RdrCEF.exe	94
PID 2928 wrote to memory of 2940	2928	RdrCEF.exe	94
PID 2928 wrote to memory of 2940	2928	RdrCEF.exe	94
PID 2928 wrote to memory of 2940	2928	RdrCEF.exe	94
PID 2928 wrote to memory of 2940	2928	RdrCEF.exe	94
PID 2928 wrote to memory of 2940	2928	RdrCEF.exe	94
PID 2928 wrote to memory of 2940	2928	RdrCEF.exe	94
PID 2928 wrote to memory of 2940	2928	RdrCEF.exe	94
PID 2928 wrote to memory of 2940	2928	RdrCEF.exe	94
PID 2928 wrote to memory of 2940	2928	RdrCEF.exe	94
PID 2928 wrote to memory of 2940	2928	RdrCEF.exe	94
PID 2928 wrote to memory of 2940	2928	RdrCEF.exe	94
PID 2928 wrote to memory of 2940	2928	RdrCEF.exe	94
PID 2928 wrote to memory of 2940	2928	RdrCEF.exe	94
PID 2928 wrote to memory of 2940	2928	RdrCEF.exe	94
PID 2928 wrote to memory of 2940	2928	RdrCEF.exe	94
PID 2928 wrote to memory of 2940	2928	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\5c17682a77b2ff6d35552926ac63b12a.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:4472
- 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:2928
- - 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=618635E32F8E11C852D1467D3BEC1068 --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=618635E32F8E11C852D1467D3BEC1068 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2500
- - 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=B22F119C773B2D64C607C7E68A6DDE7F --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2940
- - 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=BD5E0A092AA5C65513B15235B78F5876 --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=BD5E0A092AA5C65513B15235B78F5876 --renderer-client-id=4 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4148
- - 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=C0B26FFC89B85546F8AECF826F90888F --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1360
- - 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=59EA054D19BC00E79AF79CB55A6B436A --mojo-platform-channel-handle=2660 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1384
- - 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=E9F29A56ACD8786B58734CF17DECD2BB --mojo-platform-channel-handle=2476 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3484

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4532

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
f9fd810125f036f293786c0db3e355d4

SHA1
85b503ffcd34d4ff4598a9a113624ef30c6e8561

SHA256
ef6a424b12072ea72de595ccb9fa503119fa8ba20e3437cb573b3ce91fb95922

SHA512
4280f74d7f70940e1e6cf4ac4bd2b7bade9af45457fe3e77b98e999084f503f1e5659bff856c9202dc0bfbe58f2d497e47e17c490a2aebc0b30bd15c604e1d33

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