a19e16002373463ecc0d296f63dc77aa4e8ea0a1fc1fb6b8c4ee3f0df706c17f

Analysis

max time kernel
141s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
19-01-2024 18:05

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General

Target

6849e79dff714665b994a890c4b98890.pdf
Size

87KB
MD5

6849e79dff714665b994a890c4b98890
SHA1

3379444db3b922a2976d2f654ad8acd5409fa4ef
SHA256

a19e16002373463ecc0d296f63dc77aa4e8ea0a1fc1fb6b8c4ee3f0df706c17f
SHA512

0d1f222f8c6a9e4cb673f9ecb8977cc1526594212159f226ae8879ce9eaca7c4f176ea1cf7bb6565c6c1104f0cc46c6f4e4670c01fd0ac646571ff1d5a1886b9
SSDEEP

1536:PAsHVeGGtAuoqbQgtcqpc4WvsMT4weQz8cik3vnFZJ/kMoiEBKmXWRDmWCpOVisj:IZb9cqpejlz8tk3vnFZJMMQxobViSp

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
564	AcroRd32.exe
564	AcroRd32.exe
564	AcroRd32.exe
564	AcroRd32.exe
564	AcroRd32.exe
564	AcroRd32.exe
564	AcroRd32.exe
564	AcroRd32.exe
564	AcroRd32.exe
564	AcroRd32.exe
564	AcroRd32.exe
564	AcroRd32.exe
564	AcroRd32.exe
564	AcroRd32.exe
564	AcroRd32.exe
564	AcroRd32.exe
564	AcroRd32.exe
564	AcroRd32.exe
564	AcroRd32.exe
564	AcroRd32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeManageVolumePrivilege	668	svchost.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
564	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
564	AcroRd32.exe
564	AcroRd32.exe
564	AcroRd32.exe
564	AcroRd32.exe
564	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 564 wrote to memory of 1908	564	AcroRd32.exe	92
PID 564 wrote to memory of 1908	564	AcroRd32.exe	92
PID 564 wrote to memory of 1908	564	AcroRd32.exe	92
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 4988	1908	RdrCEF.exe	93
PID 1908 wrote to memory of 844	1908	RdrCEF.exe	94
PID 1908 wrote to memory of 844	1908	RdrCEF.exe	94
PID 1908 wrote to memory of 844	1908	RdrCEF.exe	94
PID 1908 wrote to memory of 844	1908	RdrCEF.exe	94
PID 1908 wrote to memory of 844	1908	RdrCEF.exe	94
PID 1908 wrote to memory of 844	1908	RdrCEF.exe	94
PID 1908 wrote to memory of 844	1908	RdrCEF.exe	94
PID 1908 wrote to memory of 844	1908	RdrCEF.exe	94
PID 1908 wrote to memory of 844	1908	RdrCEF.exe	94
PID 1908 wrote to memory of 844	1908	RdrCEF.exe	94
PID 1908 wrote to memory of 844	1908	RdrCEF.exe	94
PID 1908 wrote to memory of 844	1908	RdrCEF.exe	94
PID 1908 wrote to memory of 844	1908	RdrCEF.exe	94
PID 1908 wrote to memory of 844	1908	RdrCEF.exe	94
PID 1908 wrote to memory of 844	1908	RdrCEF.exe	94
PID 1908 wrote to memory of 844	1908	RdrCEF.exe	94
PID 1908 wrote to memory of 844	1908	RdrCEF.exe	94
PID 1908 wrote to memory of 844	1908	RdrCEF.exe	94
PID 1908 wrote to memory of 844	1908	RdrCEF.exe	94
PID 1908 wrote to memory of 844	1908	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\6849e79dff714665b994a890c4b98890.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:564
- 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:1908
- - 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=AB80662C62EB95157FEB266FBC1FA9DF --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4988
- - 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=901279ED08CF4CD7C29D095472029BB1 --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=901279ED08CF4CD7C29D095472029BB1 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:844
- - 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=C80CB7048829ED8E8C288086CD33428D --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1200
- - 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=1D163A113ECBB7C068095EED9C571CDC --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=1D163A113ECBB7C068095EED9C571CDC --renderer-client-id=5 --mojo-platform-channel-handle=1868 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2452
- - 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=E79F19D7356358B76FF06F1D9C4EFD35 --mojo-platform-channel-handle=2752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3668
- - 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=F505F7EB4E8CEDC852250C7B1694D01A --mojo-platform-channel-handle=1756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3480

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
1⤵
PID:1252

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k UnistackSvcGroup
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:668

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
f82983801427c1fde4d5716f02a3ca65

SHA1
9800908adcb9a98a3f3eb3522b6595525a0dbdaa

SHA256
4e5ee81cc7139b6d14d982a9d9cedbe8d3455117c54f6bd04bb819b3522bcb12

SHA512
9c83fcff30722fffa3ba5a4af4aa33883aec0e69879432e9f74dbf75b33fc3f2cadda489fdaccfd9fb35437db093f55698c0fa647a042ed718f67654a4ba5149

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/564-26-0x000000000B820000-0x000000000B841000-memory.dmp

Filesize
132KB

Download
memory/668-176-0x0000025C21640000-0x0000025C21650000-memory.dmp

Filesize
64KB

Download
memory/668-192-0x0000025C21740000-0x0000025C21750000-memory.dmp

Filesize
64KB

Download
memory/668-208-0x0000025C29A50000-0x0000025C29A51000-memory.dmp

Filesize
4KB

Download
memory/668-210-0x0000025C29A80000-0x0000025C29A81000-memory.dmp

Filesize
4KB

Download
memory/668-212-0x0000025C29B90000-0x0000025C29B91000-memory.dmp

Filesize
4KB

Download
memory/668-211-0x0000025C29A80000-0x0000025C29A81000-memory.dmp

Filesize
4KB

Download