1b2246fe13b42346ffc5831b4c762cc85c65640ec452fae137f89af3b652f455

Analysis

max time kernel
291s
max time network
202s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
04/04/2024, 09:12

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General

Target
T360 Version 23.2.7 Law Firm and Vendor Release Notes v1.0.pdf
Size 359KB
Sample240404-k6lnasbb4s
SHA256 b3dcf222768fdbcdcf5ae7ee7a38b5da98439e0dbc42dbdc70346469c67c8493
MD5 ee3709bb7e0c106a566c128468d6a2c4
SHA1 8c4586981fa1ffcfac5c5f399823a744214879c6
SHA512 8ced4468221b3f30bf79902e9323bde484aea909664d86dca568c5a2ad21f84246cfb40fac28deb0ec35a8eca4752457f70a7c2b00fe953e05d04464192b8d11
SSDEEP 6144:QXijEHcU0fa18M0bsk0z8N7g2CEsC6HGLVdj4AXz7t0yuPBXwZrdG3p6LmI:TjEHclfa1Ko4U1mb4AXzJ0y0Xw1dB9
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4348	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe
4348	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4348 wrote to memory of 2904	4348	AcroRd32.exe	92
PID 4348 wrote to memory of 2904	4348	AcroRd32.exe	92
PID 4348 wrote to memory of 2904	4348	AcroRd32.exe	92
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 2376	2904	RdrCEF.exe	95
PID 2904 wrote to memory of 1932	2904	RdrCEF.exe	96
PID 2904 wrote to memory of 1932	2904	RdrCEF.exe	96
PID 2904 wrote to memory of 1932	2904	RdrCEF.exe	96
PID 2904 wrote to memory of 1932	2904	RdrCEF.exe	96
PID 2904 wrote to memory of 1932	2904	RdrCEF.exe	96
PID 2904 wrote to memory of 1932	2904	RdrCEF.exe	96
PID 2904 wrote to memory of 1932	2904	RdrCEF.exe	96
PID 2904 wrote to memory of 1932	2904	RdrCEF.exe	96
PID 2904 wrote to memory of 1932	2904	RdrCEF.exe	96
PID 2904 wrote to memory of 1932	2904	RdrCEF.exe	96
PID 2904 wrote to memory of 1932	2904	RdrCEF.exe	96
PID 2904 wrote to memory of 1932	2904	RdrCEF.exe	96
PID 2904 wrote to memory of 1932	2904	RdrCEF.exe	96
PID 2904 wrote to memory of 1932	2904	RdrCEF.exe	96
PID 2904 wrote to memory of 1932	2904	RdrCEF.exe	96
PID 2904 wrote to memory of 1932	2904	RdrCEF.exe	96
PID 2904 wrote to memory of 1932	2904	RdrCEF.exe	96
PID 2904 wrote to memory of 1932	2904	RdrCEF.exe	96
PID 2904 wrote to memory of 1932	2904	RdrCEF.exe	96
PID 2904 wrote to memory of 1932	2904	RdrCEF.exe	96

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\T360 Version 23.2.7 Law Firm and Vendor Release Notes v1.0.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:4348
- 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:2904
- - 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=1572E3E848CA3F22FD24F6EBFC56F91B --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2376
- - 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=810DCA9BF669B2FF361A63ACC57608AB --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=810DCA9BF669B2FF361A63ACC57608AB --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1932
- - 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=1F4E2F03A21308256511406AC33C868D --mojo-platform-channel-handle=2136 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:396
- - 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=B1E793244A3298BFEE018960778AC7A8 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3432
- - 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=069C208F20931CD462B78DA3DE21A00C --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3272
- - 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=7A674EC1A5AA146A3D69DCC4B1B180C7 --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=7A674EC1A5AA146A3D69DCC4B1B180C7 --renderer-client-id=7 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1412

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2148

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 d802462fe0ca4bd1b1debc771293470275a30a1c00417f7a03210a0060ebab52
MD5 1919f965b5f98392f285f62aff3251ae
SHA1 99f646bde6c47bc102214091797df91549e8ff42
SHA512 9c660c6c3ea5cfe37bb53c46d8cd9f41c1e4cb53b8040e396525f6650031f57ea951daf52b7fe467f22c7cfaf2eb69d22a88e024c117fcd364b374ab0a75d936
SSDEEP 384:yeJdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:I+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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memory/4348-129-0x000000000BD10000-0x000000000BE5D000-memory.dmp

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