36f077b7225c98d3d5eaa70f4779a0f05f63ad1c042b9c2cf3ed233e276edb36

Analysis

max time kernel
153s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05-03-2024 20:07

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General

Target

b58e130dc80eb182f2f0ac8b961c3474.pdf
Size

12KB
MD5

b58e130dc80eb182f2f0ac8b961c3474
SHA1

1fc36db4eb81e2b534679e9e741188204cd5cb48
SHA256

36f077b7225c98d3d5eaa70f4779a0f05f63ad1c042b9c2cf3ed233e276edb36
SHA512

34ebf5037a30d7e9c093e15888c7343faaa749ace884756395a2a3982818769ea403c494f6756560e23df6772fe8935f59faa885f61d508da2b7bed30642e816
SSDEEP

192:bONbedw+lJ5SKowsj4d0lRGVWbqJT79sBKiGh93:bONbedw+lJ5xowK4d0LcWbqJT79sBuv3

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-1-5-21-609813121-2907144057-1731107329-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3780	AcroRd32.exe

Suspicious use of SetWindowsHookEx 7 IoCs

pid	Process
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe
3780	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3780 wrote to memory of 1936	3780	AcroRd32.exe	96
PID 3780 wrote to memory of 1936	3780	AcroRd32.exe	96
PID 3780 wrote to memory of 1936	3780	AcroRd32.exe	96
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 4656	1936	RdrCEF.exe	97
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	98
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	98
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	98
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	98
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	98
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	98
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	98
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	98
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	98
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	98
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	98
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	98
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	98
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	98
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	98
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	98
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	98
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	98
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	98
PID 1936 wrote to memory of 3176	1936	RdrCEF.exe	98

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\b58e130dc80eb182f2f0ac8b961c3474.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:3780
- 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:1936
- - 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=C20FD4799D4563900EBB2BA5F41D9702 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4656
- - 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=B07EAE59988B53B035EE09DD3896478E --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=B07EAE59988B53B035EE09DD3896478E --renderer-client-id=2 --mojo-platform-channel-handle=1844 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3176
- - 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=A9483F2E18B052C9E0757FC52262D10F --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4076
- - 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=E6B270E38D06331CB61EF9F481E8A02A --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=E6B270E38D06331CB61EF9F481E8A02A --renderer-client-id=5 --mojo-platform-channel-handle=2388 --allow-no-sandbox-job /prefetch:1
    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=330FA32AC154CE3231DB6B73369BEED5 --mojo-platform-channel-handle=2520 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1648
- - 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=B9A1A2D811B17B831E41E971B9A561E9 --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3496

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2640

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
1da6d48afbf2164fddd2c8e2d7f22610

SHA1
6fa4e400fcebc6c27023f6c794dd0babfa74d477

SHA256
85498f34023f36e7dd817044a8ee41f50ae47d085462f12a014b0b1b945b372f

SHA512
03a2a9e2a6070cb85194b4464e8b481d5027bdb55cd65d497cc74dfd4f51687782e29ae8cb5af9db15b78ac262f3de686a3896d2d46e6842f3c003715ab944da

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/3780-137-0x000000000A340000-0x000000000A48D000-memory.dmp

Filesize
1.3MB

Download