f071e84db14cfdd70338c39ebf008be3a810cb623d69e0c6fb30d1a468425a64

Analysis

max time kernel
142s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2024, 21:09

Sharing

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General

Target

8d59a3664c950843c926e0967511f13e.pdf
Size

96KB
MD5

8d59a3664c950843c926e0967511f13e
SHA1

0ec307983358ce09b1b479394c79ec034f7633b1
SHA256

f071e84db14cfdd70338c39ebf008be3a810cb623d69e0c6fb30d1a468425a64
SHA512

b8516841561ec2a406420f21912b0435abd9bff6284030095f4bfb7029af8a62235d69189d92a1a29bf89d9e3fc45f0c9667706c6dacf00809fbc1fa9714b6e2
SSDEEP

1536:wahIk3dAyW8asRRLXCop5Vg5ro+BvCX+Jvj640+kbmf43gJufvmWGpOKdW8WTra5:RuyjjR70r3agvU+kOsh3PKgH3bkWl17k

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-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4368	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe
4368	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4368 wrote to memory of 4460	4368	AcroRd32.exe	88
PID 4368 wrote to memory of 4460	4368	AcroRd32.exe	88
PID 4368 wrote to memory of 4460	4368	AcroRd32.exe	88
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 8	4460	RdrCEF.exe	89
PID 4460 wrote to memory of 4176	4460	RdrCEF.exe	90
PID 4460 wrote to memory of 4176	4460	RdrCEF.exe	90
PID 4460 wrote to memory of 4176	4460	RdrCEF.exe	90
PID 4460 wrote to memory of 4176	4460	RdrCEF.exe	90
PID 4460 wrote to memory of 4176	4460	RdrCEF.exe	90
PID 4460 wrote to memory of 4176	4460	RdrCEF.exe	90
PID 4460 wrote to memory of 4176	4460	RdrCEF.exe	90
PID 4460 wrote to memory of 4176	4460	RdrCEF.exe	90
PID 4460 wrote to memory of 4176	4460	RdrCEF.exe	90
PID 4460 wrote to memory of 4176	4460	RdrCEF.exe	90
PID 4460 wrote to memory of 4176	4460	RdrCEF.exe	90
PID 4460 wrote to memory of 4176	4460	RdrCEF.exe	90
PID 4460 wrote to memory of 4176	4460	RdrCEF.exe	90
PID 4460 wrote to memory of 4176	4460	RdrCEF.exe	90
PID 4460 wrote to memory of 4176	4460	RdrCEF.exe	90
PID 4460 wrote to memory of 4176	4460	RdrCEF.exe	90
PID 4460 wrote to memory of 4176	4460	RdrCEF.exe	90
PID 4460 wrote to memory of 4176	4460	RdrCEF.exe	90
PID 4460 wrote to memory of 4176	4460	RdrCEF.exe	90
PID 4460 wrote to memory of 4176	4460	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\8d59a3664c950843c926e0967511f13e.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:4368
- 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:4460
- - 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=732B1CFD3A2926D069C03D60597BFE68 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:8
- - 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=B956303CB30BF70F02143017C60988CA --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=B956303CB30BF70F02143017C60988CA --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4176
- - 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=2EB14ECD47058F5838BCAA249FD25A1D --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4860
- - 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=33449EA4754B2031F4E27CF0119CBAB9 --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=33449EA4754B2031F4E27CF0119CBAB9 --renderer-client-id=5 --mojo-platform-channel-handle=2192 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4560
- - 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=C85CDC79914938A3C5F3D6F6164EB6C9 --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2028
- - 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=8EC6B4555FFCAD2010FBEEC188FECB4C --mojo-platform-channel-handle=2588 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1628

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
04b2b96fe5b41a3b2f3da293d0a0f4b0

SHA1
809652b8f3b7240bc96708c04f7e07d7798e84db

SHA256
16b5acd556c5e2b388e29479f4be6173201950081b09029a1328de02f8b5c746

SHA512
36bff85f2048c591d4b217a25990d9171a9877da9d353539dc67e69cb1e70c18832978abbc06355083eefd02e063cc04b6aab862feeddaab8f1ce08b00a467a1

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/4368-28-0x000000000C6C0000-0x000000000C6E1000-memory.dmp

Filesize
132KB

Download