5b315fcc5d3f1894345dfe65be8b945ad71b92c83a3aee1277728fc45e271852

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14/03/2024, 02:25

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General

Target

c771cd88a85fbe323137409195f4bac8.pdf
Size

87KB
MD5

c771cd88a85fbe323137409195f4bac8
SHA1

53633951ed21e98f13967a1de2c46fa3bc85057d
SHA256

5b315fcc5d3f1894345dfe65be8b945ad71b92c83a3aee1277728fc45e271852
SHA512

6e2739bfd9d3030d591546943ac7afc1c2938eb623e0f1563e13d1dae2afac26c880d2de18f9a03c12e89931e9095a4b7f6538828ba8e0524b2f6e3b395fbd7d
SSDEEP

1536:8lnzjNYvljcDxRMe0W9lAaTNo2ZWXFRnL+UWspO2rWlVijv5stKq1D7AGlJve+:qivlcDgAAco2UFRL+X2hv5stKq1D0Glx

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1716	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe
1716	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 3628	1716	AcroRd32.exe	92
PID 1716 wrote to memory of 3628	1716	AcroRd32.exe	92
PID 1716 wrote to memory of 3628	1716	AcroRd32.exe	92
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3304	3628	RdrCEF.exe	93
PID 3628 wrote to memory of 3520	3628	RdrCEF.exe	94
PID 3628 wrote to memory of 3520	3628	RdrCEF.exe	94
PID 3628 wrote to memory of 3520	3628	RdrCEF.exe	94
PID 3628 wrote to memory of 3520	3628	RdrCEF.exe	94
PID 3628 wrote to memory of 3520	3628	RdrCEF.exe	94
PID 3628 wrote to memory of 3520	3628	RdrCEF.exe	94
PID 3628 wrote to memory of 3520	3628	RdrCEF.exe	94
PID 3628 wrote to memory of 3520	3628	RdrCEF.exe	94
PID 3628 wrote to memory of 3520	3628	RdrCEF.exe	94
PID 3628 wrote to memory of 3520	3628	RdrCEF.exe	94
PID 3628 wrote to memory of 3520	3628	RdrCEF.exe	94
PID 3628 wrote to memory of 3520	3628	RdrCEF.exe	94
PID 3628 wrote to memory of 3520	3628	RdrCEF.exe	94
PID 3628 wrote to memory of 3520	3628	RdrCEF.exe	94
PID 3628 wrote to memory of 3520	3628	RdrCEF.exe	94
PID 3628 wrote to memory of 3520	3628	RdrCEF.exe	94
PID 3628 wrote to memory of 3520	3628	RdrCEF.exe	94
PID 3628 wrote to memory of 3520	3628	RdrCEF.exe	94
PID 3628 wrote to memory of 3520	3628	RdrCEF.exe	94
PID 3628 wrote to memory of 3520	3628	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\c771cd88a85fbe323137409195f4bac8.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3628
- - 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=D223565C65A98373683B457AFB2239BC --mojo-platform-channel-handle=1732 --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=04E2E1D1873068D7107C78581752BD27 --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=04E2E1D1873068D7107C78581752BD27 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3520
- - 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=83149EA1932EBDA16E19148A4DB3C145 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3908
- - 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=8259F2C03081D392F5B9A7EDEF49E9FF --mojo-platform-channel-handle=2432 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2588
- - 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=158AF87C1429E2A7AD8014551E20279A --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=158AF87C1429E2A7AD8014551E20279A --renderer-client-id=6 --mojo-platform-channel-handle=1968 --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=B52F23FC2CD00582D20479AD32274219 --mojo-platform-channel-handle=2548 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3892

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1060

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
ae4ca1a1c40ce36bc0bbad30aaf80a50

SHA1
199e32173a1633b9d0e3f769e97594b5915e91ec

SHA256
93f42b5bdc6a56d191593de4e7dcaaf313cc25d0a78b4fc97ae903b58a95925a

SHA512
3b1ecffe501c0385c59f9dec959a42b6b076a76b96dec4c011b4db935f70b97a61d152b728483f89ec327c50bf52855ab330d0dc17c9f0811f00798703a093c1

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/1716-27-0x000000000ABC0000-0x000000000ABE1000-memory.dmp

Filesize
132KB

Download