ba3bae36b3cd9c25d89e97c4048f83fc80a42b17732e110e02f7081211573d76

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
13-02-2024 00:36

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General

Target

98071dcf4c329ffc6edc3a947c74afba.pdf
Size

107KB
MD5

98071dcf4c329ffc6edc3a947c74afba
SHA1

e6eeb9bf5c727042211f6a97e77cd94ab791dbec
SHA256

ba3bae36b3cd9c25d89e97c4048f83fc80a42b17732e110e02f7081211573d76
SHA512

73100959527c7c453829919d4ef0203dd5c10eaf427dcf05ef89215517647d3e936f4f3c5246a4d33570cd631697edf1304360dbd4be3519e4984d0669014e19
SSDEEP

3072:1r3S/e2FvGXl0tZO4WtztPo/NVN5jRBYZU7J:BSG2vlBWdxEN57b

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4760	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe
4760	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4760 wrote to memory of 4516	4760	AcroRd32.exe	88
PID 4760 wrote to memory of 4516	4760	AcroRd32.exe	88
PID 4760 wrote to memory of 4516	4760	AcroRd32.exe	88
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 4296	4516	RdrCEF.exe	89
PID 4516 wrote to memory of 640	4516	RdrCEF.exe	90
PID 4516 wrote to memory of 640	4516	RdrCEF.exe	90
PID 4516 wrote to memory of 640	4516	RdrCEF.exe	90
PID 4516 wrote to memory of 640	4516	RdrCEF.exe	90
PID 4516 wrote to memory of 640	4516	RdrCEF.exe	90
PID 4516 wrote to memory of 640	4516	RdrCEF.exe	90
PID 4516 wrote to memory of 640	4516	RdrCEF.exe	90
PID 4516 wrote to memory of 640	4516	RdrCEF.exe	90
PID 4516 wrote to memory of 640	4516	RdrCEF.exe	90
PID 4516 wrote to memory of 640	4516	RdrCEF.exe	90
PID 4516 wrote to memory of 640	4516	RdrCEF.exe	90
PID 4516 wrote to memory of 640	4516	RdrCEF.exe	90
PID 4516 wrote to memory of 640	4516	RdrCEF.exe	90
PID 4516 wrote to memory of 640	4516	RdrCEF.exe	90
PID 4516 wrote to memory of 640	4516	RdrCEF.exe	90
PID 4516 wrote to memory of 640	4516	RdrCEF.exe	90
PID 4516 wrote to memory of 640	4516	RdrCEF.exe	90
PID 4516 wrote to memory of 640	4516	RdrCEF.exe	90
PID 4516 wrote to memory of 640	4516	RdrCEF.exe	90
PID 4516 wrote to memory of 640	4516	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\98071dcf4c329ffc6edc3a947c74afba.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:4760
- 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:4516
- - 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=0A2EA70F20204BF6C83136E8D7E7E48D --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4296
- - 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=7AB2154DCCC6FE74B4181A6A4858B76F --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=7AB2154DCCC6FE74B4181A6A4858B76F --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:640
- - 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=52AA165B3DA4A5EA22DA7FE76DD1345C --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3404
- - 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=5FF09759C22C910C31AEE32B1660EBE9 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:448
- - 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=44E20FD23B15F855F7A9C45B7FC6BC1C --mojo-platform-channel-handle=2492 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4196
- - 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=1CE465C47AFAFD2BE5E35B53EFD7BC64 --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=1CE465C47AFAFD2BE5E35B53EFD7BC64 --renderer-client-id=7 --mojo-platform-channel-handle=2220 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1756

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

Loading Replay Monitor...

Downloads

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

Filesize
64KB

MD5
cce7f387805a562a0c770e9f7763c388

SHA1
dc8a17ecb53562da98bc94a3087b3a771f10b5e9

SHA256
9a1d589bee7d4ba4c1b6c1e3a721a6065c3fd94f147d381885e81ac182c077bb

SHA512
f615197da4ce7481f770ba5e313acd62af153abc43de26be13e963620d1905aef48814e651db2591165ba0e10491430383a7fd2e571c771dff6dbd7e7d43071f

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