178024848da35eb84b154965848cbdcded162412e803f3568c753016ca034919

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
25-12-2023 07:58

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General

Target

107eab7fe2ef3c4c9f5d6612a98a353c.pdf
Size

88KB
MD5

107eab7fe2ef3c4c9f5d6612a98a353c
SHA1

c08a5ba9e4df91335f3cab1dd282ae3558e813e5
SHA256

178024848da35eb84b154965848cbdcded162412e803f3568c753016ca034919
SHA512

fc44259297a6974d73762474595136b4ca6d2ae29cd5e3a7c9e3fd1056d4ff351525b290acfaa924be4b48f71b7a6a005996d3c05851feb938cebf86502a0b24
SSDEEP

1536:Qi91zdAtlHZp2G73hf5bFM5etWNNvEumZk/CRH5oW+6v8aPylWOpOwr0yrsIqZ:d9HAvn73hfQ5e8yA25v8aKiwr0ua

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
3096	AcroRd32.exe
3096	AcroRd32.exe
3096	AcroRd32.exe
3096	AcroRd32.exe
3096	AcroRd32.exe
3096	AcroRd32.exe
3096	AcroRd32.exe
3096	AcroRd32.exe
3096	AcroRd32.exe
3096	AcroRd32.exe
3096	AcroRd32.exe
3096	AcroRd32.exe
3096	AcroRd32.exe
3096	AcroRd32.exe
3096	AcroRd32.exe
3096	AcroRd32.exe
3096	AcroRd32.exe
3096	AcroRd32.exe
3096	AcroRd32.exe
3096	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3096	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3096	AcroRd32.exe
3096	AcroRd32.exe
3096	AcroRd32.exe
3096	AcroRd32.exe
3096	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3096 wrote to memory of 5080	3096	AcroRd32.exe	91
PID 3096 wrote to memory of 5080	3096	AcroRd32.exe	91
PID 3096 wrote to memory of 5080	3096	AcroRd32.exe	91
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 1644	5080	RdrCEF.exe	92
PID 5080 wrote to memory of 2528	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2528	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2528	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2528	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2528	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2528	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2528	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2528	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2528	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2528	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2528	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2528	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2528	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2528	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2528	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2528	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2528	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2528	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2528	5080	RdrCEF.exe	93
PID 5080 wrote to memory of 2528	5080	RdrCEF.exe	93

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\107eab7fe2ef3c4c9f5d6612a98a353c.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:3096
- 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:5080
- - 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=E9DCA3F818869884F5914A371C81036D --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1644
- - 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=383DB6DAB01E91F407A82621C96CCD9C --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=383DB6DAB01E91F407A82621C96CCD9C --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2528
- - 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=FE1DAF84D302E2EC718F3D21C4738244 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4600
- - 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=8A3D8C31C8A1B0827FA65A55C7AD0435 --mojo-platform-channel-handle=1808 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1744
- - 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=36DB19D5AE69E23F789E6D3A27EC3453 --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=36DB19D5AE69E23F789E6D3A27EC3453 --renderer-client-id=6 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2628
- - 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=A95FC3A585E2BBE84A1976AA11FA9403 --mojo-platform-channel-handle=2788 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3008

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
8781e959228ebfda97c9b63f8b31bf6e

SHA1
368be829ae5647265a7400010dbd0040be3b007d

SHA256
c14e4349cce6830148c814b6c98107265bec00ffbf13b171ba414f248557cfa7

SHA512
8c2db1293859d16d8702f67e200204b35d1d9d854a00afed9d18e9d9446ec99a6a54670537bc097634db257ce39a155b0de0322efdbe4204dff0b66570f7fdc8

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/3096-26-0x000000000BAF0000-0x000000000BB40000-memory.dmp

Filesize
320KB

Download