b24244fa8e39bf0e58dae018eba3c409c34064f81b1361c5f8ab74aa56db077d

Analysis

max time kernel
144s
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
25/01/2024, 10:18

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General

Target
746f87f5fcf309bc0c5bc422007f3740.pdf
Size 3KB
Sample240125-mb8kpadfc8
SHA256 b24244fa8e39bf0e58dae018eba3c409c34064f81b1361c5f8ab74aa56db077d
MD5 746f87f5fcf309bc0c5bc422007f3740
SHA1 60d993bd107861fa0880846d1a852b17362bc7f9
SHA512 99a32c0dc2cc99f629bed345ff1ee71c31de9bb7c3021e3970020ac419f3060d5df73d044ae656469f178ae3d09c76694e0c58a6da401adc38ee7b71977f7876
MD5 SHA1 SHA512

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-1-5-21-1168293393-3419776239-306423207-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
240	AcroRd32.exe
240	AcroRd32.exe
240	AcroRd32.exe
240	AcroRd32.exe
240	AcroRd32.exe
240	AcroRd32.exe
240	AcroRd32.exe
240	AcroRd32.exe
240	AcroRd32.exe
240	AcroRd32.exe
240	AcroRd32.exe
240	AcroRd32.exe
240	AcroRd32.exe
240	AcroRd32.exe
240	AcroRd32.exe
240	AcroRd32.exe
240	AcroRd32.exe
240	AcroRd32.exe
240	AcroRd32.exe
240	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
240	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
240	AcroRd32.exe
240	AcroRd32.exe
240	AcroRd32.exe
240	AcroRd32.exe
240	AcroRd32.exe
240	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 240 wrote to memory of 3532	240	AcroRd32.exe	90
PID 240 wrote to memory of 3532	240	AcroRd32.exe	90
PID 240 wrote to memory of 3532	240	AcroRd32.exe	90
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 2124	3532	RdrCEF.exe	93
PID 3532 wrote to memory of 748	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 748	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 748	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 748	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 748	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 748	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 748	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 748	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 748	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 748	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 748	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 748	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 748	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 748	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 748	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 748	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 748	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 748	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 748	3532	RdrCEF.exe	94
PID 3532 wrote to memory of 748	3532	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\746f87f5fcf309bc0c5bc422007f3740.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:240
- 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:3532
- - 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=2835DEF12F47843F4E52EB1D3ADEE9FE --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2124
- - 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=E2849B5B9CECB4049A854525D9521D70 --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=E2849B5B9CECB4049A854525D9521D70 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:748
- - 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=E8ACD75CF1BB0A91D554F3F48D995998 --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4416
- - 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=86907EF6AD8452D5A121A0B3CAEABC52 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3552
- - 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=7A5F3EA7647E6E1EA181EC52A20E0C93 --mojo-platform-channel-handle=1828 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1844
- - 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=520E21AD18900EAAEF73CBF9A6C249E8 --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=520E21AD18900EAAEF73CBF9A6C249E8 --renderer-client-id=7 --mojo-platform-channel-handle=2160 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1028

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3676

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 8b8fe5fdea1be3cc7fcb8da6a46228e8bebd533fa1d6693bef04b3979c749c73
MD5 829876cf5526b57851dc9a5d71139a15
SHA1 33f3326955d0981db9a04fcf69a1aef8fb4a33a8
SHA512 654e58cf5de0142432237b2ef44cd30264df9539d2c4a45f9f9dfdd9c40b88940140120c473c6fe018682dd60e43db77a5fa6140a89f15baf87778661f893c0a
SSDEEP 384:yebdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:W+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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