28b8208a8ceaacfe893a17bb6fed0308f2c2d6b1d4e44960d61e506fe9585ded

Analysis

max time kernel
179s
max time network
191s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
24/12/2023, 21:43

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General

Target

1385ceca313ff41efd14696ae0aa16a8.pdf
Size

90KB
MD5

1385ceca313ff41efd14696ae0aa16a8
SHA1

a51069d2a8df60b108d8034ede9d3a352f57a6c2
SHA256

28b8208a8ceaacfe893a17bb6fed0308f2c2d6b1d4e44960d61e506fe9585ded
SHA512

d23bfb56cda401571a291209154d23db7e37571235755cdd00d697b38bea4e3a996422e7281c465c996f204d1279e3df1934494b08615549e8a82595fb2820aa
SSDEEP

1536:tlJ7xR9sYZetx0L4eU6RS9+wOZ3BafI4RUt0x6WVOPyXcG9fWE229W8pO7QqG5:DM6etqjY+wO3Wyt0x6KD9X2287Qf

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
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3772	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe
3772	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3772 wrote to memory of 2220	3772	AcroRd32.exe	95
PID 3772 wrote to memory of 2220	3772	AcroRd32.exe	95
PID 3772 wrote to memory of 2220	3772	AcroRd32.exe	95
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 4540	2220	RdrCEF.exe	97
PID 2220 wrote to memory of 3908	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 3908	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 3908	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 3908	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 3908	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 3908	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 3908	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 3908	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 3908	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 3908	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 3908	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 3908	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 3908	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 3908	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 3908	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 3908	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 3908	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 3908	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 3908	2220	RdrCEF.exe	98
PID 2220 wrote to memory of 3908	2220	RdrCEF.exe	98

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\1385ceca313ff41efd14696ae0aa16a8.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:3772
- 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:2220
- - 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=E40DF12AE19995F2F4BCD91F3A1C9BA1 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4540
- - 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=95BD26CD8988967264DFA73C643EF0D2 --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=95BD26CD8988967264DFA73C643EF0D2 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3908
- - 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=52AEAE541D00DC1C2856E9F34CAEF946 --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=52AEAE541D00DC1C2856E9F34CAEF946 --renderer-client-id=4 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3028
- - 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=FD56577D19BF2AA8D8E966D0CD0EF389 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2532
- - 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=819DC87E7E8FCFC06AE3FF54FE7A45CA --mojo-platform-channel-handle=2448 --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=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=062158588E17DF0862A805119ED58658 --mojo-platform-channel-handle=2672 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2956

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4464

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

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

Filesize
64KB

MD5
fd4d44e64a7ec856383babdbb5d26055

SHA1
fbf020239d5cb08a216eeaed25eb0bb976f5ef70

SHA256
19a77e528dd5b54d84a864a6fc7f51bcb7d40da51f92b641116dfcf814b18a82

SHA512
4d7d9fbcbf3ecb89e4bbb3041369abe2f40fdfd887b6e178d0c02b752b3d5f1c1bb8b9189e57f1b852bb60f27de8a54028b4265c209abd867172e035fa672370

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