0766459b957b5ac711e3387f8455c36261b8d5c64f3b27b2b4751437429ceb66

Analysis

max time kernel
157s
max time network
173s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10/03/2024, 23:46

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General

Target

bf463426f1599d03856b81e06a20867e.pdf
Size

102KB
MD5

bf463426f1599d03856b81e06a20867e
SHA1

3aeb3fd126474bbf2a6baee957aa7a5878811439
SHA256

0766459b957b5ac711e3387f8455c36261b8d5c64f3b27b2b4751437429ceb66
SHA512

061153315d0403065f386145c8807a69d54800abc06903b4e397d09992b1a7151add07fded7c368c680562797832352bd51a5c37e2b66d55064096b956e57191
SSDEEP

1536:+eGx37UPEYtATngsnYc3Pea+5g/MkcBc9YPJoQ0s0snT2CWEwUWeVt7J6WVWUpOB:HGx37UPEjnb3PeaTMkec9Yt0sT9oW47t

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-1-5-21-2727153400-192325109-1870347593-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3576	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe
3576	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3576 wrote to memory of 3140	3576	AcroRd32.exe	92
PID 3576 wrote to memory of 3140	3576	AcroRd32.exe	92
PID 3576 wrote to memory of 3140	3576	AcroRd32.exe	92
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5004	3140	RdrCEF.exe	93
PID 3140 wrote to memory of 5016	3140	RdrCEF.exe	94
PID 3140 wrote to memory of 5016	3140	RdrCEF.exe	94
PID 3140 wrote to memory of 5016	3140	RdrCEF.exe	94
PID 3140 wrote to memory of 5016	3140	RdrCEF.exe	94
PID 3140 wrote to memory of 5016	3140	RdrCEF.exe	94
PID 3140 wrote to memory of 5016	3140	RdrCEF.exe	94
PID 3140 wrote to memory of 5016	3140	RdrCEF.exe	94
PID 3140 wrote to memory of 5016	3140	RdrCEF.exe	94
PID 3140 wrote to memory of 5016	3140	RdrCEF.exe	94
PID 3140 wrote to memory of 5016	3140	RdrCEF.exe	94
PID 3140 wrote to memory of 5016	3140	RdrCEF.exe	94
PID 3140 wrote to memory of 5016	3140	RdrCEF.exe	94
PID 3140 wrote to memory of 5016	3140	RdrCEF.exe	94
PID 3140 wrote to memory of 5016	3140	RdrCEF.exe	94
PID 3140 wrote to memory of 5016	3140	RdrCEF.exe	94
PID 3140 wrote to memory of 5016	3140	RdrCEF.exe	94
PID 3140 wrote to memory of 5016	3140	RdrCEF.exe	94
PID 3140 wrote to memory of 5016	3140	RdrCEF.exe	94
PID 3140 wrote to memory of 5016	3140	RdrCEF.exe	94
PID 3140 wrote to memory of 5016	3140	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\bf463426f1599d03856b81e06a20867e.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:3576
- 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:3140
- - 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=77522FA36BD4348D834F900ECF27F3C6 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5004
- - 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=01D823B7491557F33172B092F9CBBC77 --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=01D823B7491557F33172B092F9CBBC77 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5016
- - 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=4132CC52A7991779D0E6C11509B3E1E4 --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=4132CC52A7991779D0E6C11509B3E1E4 --renderer-client-id=4 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2852
- - 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=8E4E1067F065D248E73967FB7BE6B8C0 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:552
- - 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=4B8648AA2B88E0EF224EDC6E63569144 --mojo-platform-channel-handle=1908 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2492
- - 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=45537F2E99AE6709E030260B1A75888E --mojo-platform-channel-handle=2508 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4760

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3524

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
2ab539d3dca21bf74bc21f1cd9a974e7

SHA1
cbf36028102c5e9db5e874f511ea9838719c6a76

SHA256
fe35c2f44372c51ea40910039faa32e69d501943c86a001d9e4fe84ba7b612c5

SHA512
e838136612fc3d6f5982ecd80c9f47434b1dc8fa01befc1228a82bb14242df7e03cc572353ccefb31b543afcf186b083078500b224c7bbccea95ff94b2f6c506

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/3576-27-0x000000000BA10000-0x000000000BA31000-memory.dmp

Filesize
132KB

Download