8ee586cb1432fcc3693643d64df69e36d3aa004111bcd1e4dc4a73061dc6769d

Analysis

max time kernel
146s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
22/12/2023, 16:30

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General

Target

f1a5afdf50018bd8005b896b90836942.pdf
Size

43KB
MD5

f1a5afdf50018bd8005b896b90836942
SHA1

e205c9503ed5f57d42951f08194f7aa2dfbf099f
SHA256

8ee586cb1432fcc3693643d64df69e36d3aa004111bcd1e4dc4a73061dc6769d
SHA512

b51f6f24cf0ab7c3dc1cdf7ca51eba561522fa2031af975755968b1acb50a85a0beb6d788a6bb992a4376291cdccb94dc274b50c0d718bda8d7cde4d97176048
SSDEEP

768:Z6PKyRHqXcXmtsE/WhrCTJyfUBOx/ngizuRIIIIIIh4i2I1OtY+on2wrc2KMU:yn4sTrC99BOZVzaIIIIIIhYI1OFon2gE

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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5020	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe
5020	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5020 wrote to memory of 2668	5020	AcroRd32.exe	92
PID 5020 wrote to memory of 2668	5020	AcroRd32.exe	92
PID 5020 wrote to memory of 2668	5020	AcroRd32.exe	92
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 2588	2668	RdrCEF.exe	93
PID 2668 wrote to memory of 4752	2668	RdrCEF.exe	94
PID 2668 wrote to memory of 4752	2668	RdrCEF.exe	94
PID 2668 wrote to memory of 4752	2668	RdrCEF.exe	94
PID 2668 wrote to memory of 4752	2668	RdrCEF.exe	94
PID 2668 wrote to memory of 4752	2668	RdrCEF.exe	94
PID 2668 wrote to memory of 4752	2668	RdrCEF.exe	94
PID 2668 wrote to memory of 4752	2668	RdrCEF.exe	94
PID 2668 wrote to memory of 4752	2668	RdrCEF.exe	94
PID 2668 wrote to memory of 4752	2668	RdrCEF.exe	94
PID 2668 wrote to memory of 4752	2668	RdrCEF.exe	94
PID 2668 wrote to memory of 4752	2668	RdrCEF.exe	94
PID 2668 wrote to memory of 4752	2668	RdrCEF.exe	94
PID 2668 wrote to memory of 4752	2668	RdrCEF.exe	94
PID 2668 wrote to memory of 4752	2668	RdrCEF.exe	94
PID 2668 wrote to memory of 4752	2668	RdrCEF.exe	94
PID 2668 wrote to memory of 4752	2668	RdrCEF.exe	94
PID 2668 wrote to memory of 4752	2668	RdrCEF.exe	94
PID 2668 wrote to memory of 4752	2668	RdrCEF.exe	94
PID 2668 wrote to memory of 4752	2668	RdrCEF.exe	94
PID 2668 wrote to memory of 4752	2668	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\f1a5afdf50018bd8005b896b90836942.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:5020
- 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:2668
- - 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=B6CCFBF5497000DFFF3D28BF047AC4EA --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2588
- - 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=FA5F00E2D366DE4EC45CF87A6C9CD4BB --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=FA5F00E2D366DE4EC45CF87A6C9CD4BB --renderer-client-id=2 --mojo-platform-channel-handle=1772 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4752
- - 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=7542B5655DFC21FB4F013BB4736E6729 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2400
- - 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=9BAEC1C78D53D6F410B72915A0FFAE76 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2628
- - 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=F4D5E529472EB594BDCEDF4E4AD5CCA8 --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=F4D5E529472EB594BDCEDF4E4AD5CCA8 --renderer-client-id=6 --mojo-platform-channel-handle=2332 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2900
- - 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=BC8E20F05831A59CAFC2EF4EFF080CA7 --mojo-platform-channel-handle=2756 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:716

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2192

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
eca8522a1fc7c360cf3d44fdb9a486d2

SHA1
b68dac17d75f1380c16366aa55ba6cf7b6cd5615

SHA256
6dfc47a07f6e89fa1e6bcc843eb1c779032388e29e9447288c6e574ac1c5fcb6

SHA512
165ee856fb2d16dea53070c8b54f62cdc0e2b081220c62586711bfe2e652cac9768dcd9ffffcfc2ce494ce46c1ac62f6952f738fded2f0625ea61f6413d9e926

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

Filesize
56KB

MD5
c26ed30e7d5ab440480838636efc41db

SHA1
c66e0d00b56abebfb60d2fcc5cf85ad31a0d6591

SHA256
6a3c5c4a8e57f77ecc22078fbf603ecc31fb82d429bd87b7b4b9261447092aef

SHA512
96cdb78bca3e01d4513c31661987e5646e6a8ff24708918aa0d66dfa3ca5d98af4862c9f38c4f41f933c345d2d3adfb1d34d1430b33f45f916f41a9872a030df

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

Filesize
56KB

MD5
752a1f26b18748311b691c7d8fc20633

SHA1
c1f8e83eebc1cc1e9b88c773338eb09ff82ab862

SHA256
111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131

SHA512
a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5

Download Submit