92987f5fe3543d6f21143c97aa670ad4dbe71ee01eb6923dcb4359477fa871d0

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2023 13:54

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General

Target

b16350dee0b200898a85a38d55d63dd8.pdf
Size

42KB
MD5

b16350dee0b200898a85a38d55d63dd8
SHA1

8ac7aa540f02c068640227af71e48f6f1d522500
SHA256

92987f5fe3543d6f21143c97aa670ad4dbe71ee01eb6923dcb4359477fa871d0
SHA512

53bbad3f4a897451638af6107dc879d576069c69cbbe8402960be3ffccbbad6a467a4915d44083a5fce11311acd5af2022ddb5321cdab0c0a8f01eb3bb949f79
SSDEEP

768:0riIsvFC3gh0gcOcVmZYOibdtLJBtQLIJEPB14hnesv2BFG+pPTO8sL5:highJjJS/1XQLZPB14hnesv2BFG+paJV

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3768	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe
3768	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3768 wrote to memory of 3896	3768	AcroRd32.exe	93
PID 3768 wrote to memory of 3896	3768	AcroRd32.exe	93
PID 3768 wrote to memory of 3896	3768	AcroRd32.exe	93
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 3304	3896	RdrCEF.exe	94
PID 3896 wrote to memory of 1176	3896	RdrCEF.exe	95
PID 3896 wrote to memory of 1176	3896	RdrCEF.exe	95
PID 3896 wrote to memory of 1176	3896	RdrCEF.exe	95
PID 3896 wrote to memory of 1176	3896	RdrCEF.exe	95
PID 3896 wrote to memory of 1176	3896	RdrCEF.exe	95
PID 3896 wrote to memory of 1176	3896	RdrCEF.exe	95
PID 3896 wrote to memory of 1176	3896	RdrCEF.exe	95
PID 3896 wrote to memory of 1176	3896	RdrCEF.exe	95
PID 3896 wrote to memory of 1176	3896	RdrCEF.exe	95
PID 3896 wrote to memory of 1176	3896	RdrCEF.exe	95
PID 3896 wrote to memory of 1176	3896	RdrCEF.exe	95
PID 3896 wrote to memory of 1176	3896	RdrCEF.exe	95
PID 3896 wrote to memory of 1176	3896	RdrCEF.exe	95
PID 3896 wrote to memory of 1176	3896	RdrCEF.exe	95
PID 3896 wrote to memory of 1176	3896	RdrCEF.exe	95
PID 3896 wrote to memory of 1176	3896	RdrCEF.exe	95
PID 3896 wrote to memory of 1176	3896	RdrCEF.exe	95
PID 3896 wrote to memory of 1176	3896	RdrCEF.exe	95
PID 3896 wrote to memory of 1176	3896	RdrCEF.exe	95
PID 3896 wrote to memory of 1176	3896	RdrCEF.exe	95

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\b16350dee0b200898a85a38d55d63dd8.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:3768
- 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:3896
- - 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=1B504E4DE853D11CEDA973E560CDEE75 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3304
- - 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=D84FB5A03B099106F563B80D77253F09 --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=D84FB5A03B099106F563B80D77253F09 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1176
- - 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=AA838AB2AAD2FE556B411E183E5DC54B --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2944
- - 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=FB360E9186F421C79A54B19C6AEBED33 --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=FB360E9186F421C79A54B19C6AEBED33 --renderer-client-id=5 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job /prefetch:1
    3⤵
    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=3DFAAF696B7E86D08832E832BB254A51 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3028
- - 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=7B19E4219A2D89B2BAA2F2AD9B3D6519 --mojo-platform-channel-handle=2404 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2084

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:864

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
530dff47e39acc4f1798643a297aef17

SHA1
c594605d7de1bf1338c8019bda1069ea0f404299

SHA256
1e8f8d9fe6c5ac11027fdd8917bc0224192127e0d0aedb5358c206d192f2a888

SHA512
3280e875232952dfd675612fc0553093030a239cd4f769d545c7f5dc17695a56322b18f2a94423fdc694e14ae587e5d0fe56b02e142d4eb2fddf5c7e8742b5c0

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