e4dbd059311642e812644a25222026d8ebfe2249d2492e9632137fb1371654ef

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
07/01/2024, 15:55

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General

Target

49694f33863ca4e7d4d5aa9803551897.pdf
Size

81KB
MD5

49694f33863ca4e7d4d5aa9803551897
SHA1

40e2f0970fbbf6dc6f9cc246b8025c49e41c9ffb
SHA256

e4dbd059311642e812644a25222026d8ebfe2249d2492e9632137fb1371654ef
SHA512

874ed7cb90287f9db0290327147caa8428bd7acc02b16216d7087872321f27fbbb226ee88e86fbbedce17f3a823b7285bd43118a74377194eb18908e9b05240e
SSDEEP

1536:dQ6plHqqN7LS0ujFRkwOWZSX/5M23KmJ4iu9jN10n0vwyp+vwH4nG3VcFDfB:HplP7LS0uJUaMKmJ4iupUUQvPnG3VAt

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-1-5-21-3803511929-1339359695-2191195476-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
528	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe
528	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 528 wrote to memory of 1488	528	AcroRd32.exe	90
PID 528 wrote to memory of 1488	528	AcroRd32.exe	90
PID 528 wrote to memory of 1488	528	AcroRd32.exe	90
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 3304	1488	RdrCEF.exe	91
PID 1488 wrote to memory of 4376	1488	RdrCEF.exe	92
PID 1488 wrote to memory of 4376	1488	RdrCEF.exe	92
PID 1488 wrote to memory of 4376	1488	RdrCEF.exe	92
PID 1488 wrote to memory of 4376	1488	RdrCEF.exe	92
PID 1488 wrote to memory of 4376	1488	RdrCEF.exe	92
PID 1488 wrote to memory of 4376	1488	RdrCEF.exe	92
PID 1488 wrote to memory of 4376	1488	RdrCEF.exe	92
PID 1488 wrote to memory of 4376	1488	RdrCEF.exe	92
PID 1488 wrote to memory of 4376	1488	RdrCEF.exe	92
PID 1488 wrote to memory of 4376	1488	RdrCEF.exe	92
PID 1488 wrote to memory of 4376	1488	RdrCEF.exe	92
PID 1488 wrote to memory of 4376	1488	RdrCEF.exe	92
PID 1488 wrote to memory of 4376	1488	RdrCEF.exe	92
PID 1488 wrote to memory of 4376	1488	RdrCEF.exe	92
PID 1488 wrote to memory of 4376	1488	RdrCEF.exe	92
PID 1488 wrote to memory of 4376	1488	RdrCEF.exe	92
PID 1488 wrote to memory of 4376	1488	RdrCEF.exe	92
PID 1488 wrote to memory of 4376	1488	RdrCEF.exe	92
PID 1488 wrote to memory of 4376	1488	RdrCEF.exe	92
PID 1488 wrote to memory of 4376	1488	RdrCEF.exe	92

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\49694f33863ca4e7d4d5aa9803551897.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:528
- 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:1488
- - 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=7EC50E7C6FC9C5EFF11F450C9BA595D7 --mojo-platform-channel-handle=1752 --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=A69ECF5E72AF90B573F0D45E4B5B6F75 --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=A69ECF5E72AF90B573F0D45E4B5B6F75 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4376
- - 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=BDED7E8E3D1927AA108E4BD195131277 --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=BDED7E8E3D1927AA108E4BD195131277 --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1596
- - 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=170AD9AACD38102BA1F69DD0F869B068 --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3932
- - 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=BA2D7FD292360470D829CA1E74CC105C --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1152
- - 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=54FCFB9D7F2E82F791495309858A79AA --mojo-platform-channel-handle=2776 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3604

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
2a66bf3d35e25733b64d2f2d5a0a5893

SHA1
09b314c411d780cedde7e6895c4ba6f37633ec7a

SHA256
b62d21b05440aea9ae00386cbc6172dc8a9707ec2c63a1be2be5e2ac57c23c88

SHA512
875f3b659d8d98490be0cdc7b3c9e48ae01d426e71ef7cb9088ae880feab9af16780fc39ae875f7312bffa3b4080141040569509b9d06b6eee30f68d5d928e61

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