0cb45cacea1286dcafed0a718eaf38da1b81cb33d95452766bd0b85f6503fb82

Analysis

max time kernel
142s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
08-08-2023 02:53

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General

Target

CUS82496-Statement-31.07.2023.pdf
Size

13KB
MD5

da57a977372e7be93ceabddf50f625df
SHA1

5dcb49afa313a38f9563783dfc4c3270417ff505
SHA256

0cb45cacea1286dcafed0a718eaf38da1b81cb33d95452766bd0b85f6503fb82
SHA512

774bdb02b44111e15e4f85e5b1efc9ca044dd29bc26377f9cc63e608fa69913321b50df07ed856c500916795abbae5f1a012878f631f18870537ca8c4ae2f68e
SSDEEP

384:gam5fQjTT849XBBYFJyQzeIVQT8F+o1q3N3rcU1cMjDiK1c:qaXvBQsIV3F+o03N3rcUO

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-618519468-4027732583-1827558364-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4596	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe
4596	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4596 wrote to memory of 4812	4596	AcroRd32.exe	86
PID 4596 wrote to memory of 4812	4596	AcroRd32.exe	86
PID 4596 wrote to memory of 4812	4596	AcroRd32.exe	86
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 1324	4812	RdrCEF.exe	88
PID 4812 wrote to memory of 5096	4812	RdrCEF.exe	89
PID 4812 wrote to memory of 5096	4812	RdrCEF.exe	89
PID 4812 wrote to memory of 5096	4812	RdrCEF.exe	89
PID 4812 wrote to memory of 5096	4812	RdrCEF.exe	89
PID 4812 wrote to memory of 5096	4812	RdrCEF.exe	89
PID 4812 wrote to memory of 5096	4812	RdrCEF.exe	89
PID 4812 wrote to memory of 5096	4812	RdrCEF.exe	89
PID 4812 wrote to memory of 5096	4812	RdrCEF.exe	89
PID 4812 wrote to memory of 5096	4812	RdrCEF.exe	89
PID 4812 wrote to memory of 5096	4812	RdrCEF.exe	89
PID 4812 wrote to memory of 5096	4812	RdrCEF.exe	89
PID 4812 wrote to memory of 5096	4812	RdrCEF.exe	89
PID 4812 wrote to memory of 5096	4812	RdrCEF.exe	89
PID 4812 wrote to memory of 5096	4812	RdrCEF.exe	89
PID 4812 wrote to memory of 5096	4812	RdrCEF.exe	89
PID 4812 wrote to memory of 5096	4812	RdrCEF.exe	89
PID 4812 wrote to memory of 5096	4812	RdrCEF.exe	89
PID 4812 wrote to memory of 5096	4812	RdrCEF.exe	89
PID 4812 wrote to memory of 5096	4812	RdrCEF.exe	89
PID 4812 wrote to memory of 5096	4812	RdrCEF.exe	89

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\CUS82496-Statement-31.07.2023.pdf"
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4596
- 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:4812
- - 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=58BAD19D86AB2DF975CC6152640F41CC --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1324
- - 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=C2D98D14407F26D85415EA704C598753 --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=C2D98D14407F26D85415EA704C598753 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5096
- - 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=1BA4769B6E5CA104B07D62977C178F2A --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5036
- - 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=6D69701A12F80B7FBFFFF8381A7DF64A --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=6D69701A12F80B7FBFFFF8381A7DF64A --renderer-client-id=5 --mojo-platform-channel-handle=1864 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3504
- - 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=2021BF7E40522DFEB77E603679EAD3B5 --mojo-platform-channel-handle=2472 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1472
- - 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=2D674378C6E2A24EB5E713EC7D61CFF1 --mojo-platform-channel-handle=2408 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2524

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2176

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

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
ff2c4c381a3abfc1dd7dc8e82b683dc1

SHA1
f57f9e939d2b8500858fbec7fb256053b189f8aa

SHA256
cdcec76696a311aea095ff3e9d956ff8120807db3027f7942a5e31b59e95ee7f

SHA512
e82b175f616e3a62d3f4cadfa112fd9c4ba370abe41ed519ffecbf7f61515e8a66438fb7efff6ce2fadb6981c0ce8f46b60b7f8317be471d102b4b89695064f6

Download Submit