0f8116ab0ca5811b9c6b7aee55958978a54b2bfd70deafa219e93f139ad69642

Analysis

max time kernel
141s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
13/03/2023, 20:16

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General

Target

Think_BIOS_Configurator_Manual.pdf
Size

372KB
MD5

189f6ba6b33b18edf8e9ab1d2db755ef
SHA1

4ca503e4531900f40e6142fa2e1becfbf4e8c32b
SHA256

dd1000ce2de283920196e36647edc6972cddce309d2dde7ca8f8032335fadb3f
SHA512

1192d4e71af9ea59c62e374d154543d04610fa0a50641ae24a066df8f2599c9589d5d9c33615057a83de4ba4be36a9cf4246bd0b62be416923a3984bb9552f0d
SSDEEP

6144:byobUiP7DMEmZy5O1wvzVH5pOOWBHWw0stw6esvofHCa2pjCQ5FL01Ck0n+fJIyJ:b/P7YE+4O1wrhPElv0k4/fHovc0gJtJ

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-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1316	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe
1316	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1316 wrote to memory of 3624	1316	AcroRd32.exe	88
PID 1316 wrote to memory of 3624	1316	AcroRd32.exe	88
PID 1316 wrote to memory of 3624	1316	AcroRd32.exe	88
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4456	3624	RdrCEF.exe	89
PID 3624 wrote to memory of 4056	3624	RdrCEF.exe	90
PID 3624 wrote to memory of 4056	3624	RdrCEF.exe	90
PID 3624 wrote to memory of 4056	3624	RdrCEF.exe	90
PID 3624 wrote to memory of 4056	3624	RdrCEF.exe	90
PID 3624 wrote to memory of 4056	3624	RdrCEF.exe	90
PID 3624 wrote to memory of 4056	3624	RdrCEF.exe	90
PID 3624 wrote to memory of 4056	3624	RdrCEF.exe	90
PID 3624 wrote to memory of 4056	3624	RdrCEF.exe	90
PID 3624 wrote to memory of 4056	3624	RdrCEF.exe	90
PID 3624 wrote to memory of 4056	3624	RdrCEF.exe	90
PID 3624 wrote to memory of 4056	3624	RdrCEF.exe	90
PID 3624 wrote to memory of 4056	3624	RdrCEF.exe	90
PID 3624 wrote to memory of 4056	3624	RdrCEF.exe	90
PID 3624 wrote to memory of 4056	3624	RdrCEF.exe	90
PID 3624 wrote to memory of 4056	3624	RdrCEF.exe	90
PID 3624 wrote to memory of 4056	3624	RdrCEF.exe	90
PID 3624 wrote to memory of 4056	3624	RdrCEF.exe	90
PID 3624 wrote to memory of 4056	3624	RdrCEF.exe	90
PID 3624 wrote to memory of 4056	3624	RdrCEF.exe	90
PID 3624 wrote to memory of 4056	3624	RdrCEF.exe	90

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\Think_BIOS_Configurator_Manual.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:1316
- 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:3624
- - 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=323C086C3126C005CFE17EC85896AA82 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4456
- - 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=112031248AE13553778B1AFE9F619540 --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=2 --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=112031248AE13553778B1AFE9F619540 --renderer-client-id=2 --mojo-platform-channel-handle=1764 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4056
- - 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=5456271C28706EB01602E1CF75A8194E --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=2 --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=5456271C28706EB01602E1CF75A8194E --renderer-client-id=4 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1684
- - 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=1A6EF75E0858DB3624EB3CC86DF5C13C --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1216
- - 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=8C0990681D6D2AE5D6E7A51F69AA8EB6 --mojo-platform-channel-handle=2008 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3516
- - 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=09C9674333E257EB849C3DA31E6FCECD --mojo-platform-channel-handle=2572 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1644

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2292

Network

MITRE ATT&CK Enterprise v6

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

Filesize
64KB

MD5
edaeba796d5573ce6ca8c14f45bc1cc7

SHA1
44d0538b8638bf58e4bfaf7bbe38ee0f42cede90

SHA256
f0034f69c58d3e541b195a6c18034d2d1d068154793a47f868f51a1743602903

SHA512
2801ec051b92c1d3b22376f7f2a8eb07af3f0313c364c6398c68b681dd20fe2cc5ebba280599723f4efe5b2fa197f418ff856d8a6c98efb4197567567c280f52

Download Submit