dd891ea13fe48ba34f4ff71e518d7d2007a999de0936518270372adc90c0c409

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
27-01-2024 00:34

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General

Target

78ceca03aa24d1eefdb338dbd36a90fc.pdf
Size

86KB
MD5

78ceca03aa24d1eefdb338dbd36a90fc
SHA1

bde3117dcc79bc75c6c1e2ab50d48e5d0f2e7ce8
SHA256

dd891ea13fe48ba34f4ff71e518d7d2007a999de0936518270372adc90c0c409
SHA512

84bbb721cb29dbe0dececa42c4433e2d94a9589a4a3a3b1f9226c6a20d23fb1a7a1f160d2cf7b1c451c8959ab60693e8680cfee617a71b3d148e0dd0b881576a
SSDEEP

1536:NFR+wf/1vr0gaaV3aVMz2fGew+kQNvOEGngbPwLcvWkNpOPaWj3Q7a5mtOzoWNvs:x/XhwDaoY1+kQ9G0U7PtA7qoWFvLo

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1060	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe
1060	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1060 wrote to memory of 4948	1060	AcroRd32.exe	90
PID 1060 wrote to memory of 4948	1060	AcroRd32.exe	90
PID 1060 wrote to memory of 4948	1060	AcroRd32.exe	90
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4604	4948	RdrCEF.exe	91
PID 4948 wrote to memory of 4828	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 4828	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 4828	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 4828	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 4828	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 4828	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 4828	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 4828	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 4828	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 4828	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 4828	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 4828	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 4828	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 4828	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 4828	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 4828	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 4828	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 4828	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 4828	4948	RdrCEF.exe	92
PID 4948 wrote to memory of 4828	4948	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\78ceca03aa24d1eefdb338dbd36a90fc.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:1060
- 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:4948
- - 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=70BB11E42B910C53301F0DC7EBEFDF5A --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4604
- - 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=2970C3467B598B1F2170ACF7725E5E00 --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=2970C3467B598B1F2170ACF7725E5E00 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4828
- - 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=1ADAE0B9BE901A90539AD9CD8749379D --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4740
- - 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=359A84C6CAD2DCF2D49FD265700C3071 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2296
- - 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=C3F47EF63676A5BA70C052719C516A24 --mojo-platform-channel-handle=2484 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4120
- - 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=E5AD1C956E25533DCBBBEFEDF4915A8F --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=E5AD1C956E25533DCBBBEFEDF4915A8F --renderer-client-id=7 --mojo-platform-channel-handle=2352 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2108

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
bb578558061c1803e5d54defb7c4a2be

SHA1
f1a26101d00af66af96a345673b4b85015be207e

SHA256
d761f0c6d20e8c4ee08aa59f3b0a1acea4459f8794968905c7aa8e48e311181e

SHA512
bc4085a871a2c0b59dabc6dba591ef8d41aeb7a11ba5b40be99ef06d2b9936a68c604e9cf01b611f4ddcdbe40dee8d98bb2fb2962fc4a8ec3f59c326debb7edd

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/1060-26-0x000000000B770000-0x000000000B7C0000-memory.dmp

Filesize
320KB

Download