2bc670682003898cc626e45f56970c83449619906c128554393291ed72eefe31

Analysis

max time kernel
141s
max time network
150s
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, 06:58

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General

Target

76f9dbfc4ec8341f62a49fb40c130309.pdf
Size

33KB
MD5

76f9dbfc4ec8341f62a49fb40c130309
SHA1

44c6c09d11e1d67a0dc7df481e7f454415963cd4
SHA256

2bc670682003898cc626e45f56970c83449619906c128554393291ed72eefe31
SHA512

a3b18322e50685bf213d04d8fffb8e583bec0d7ab0e7bfa9b94abc91f60fc5b2419b6daa81032de24477822b0dae6308b01dfdcf771a69d680732458acd28c55
SSDEEP

768:z1tvx5+swQHm32eHKwytqwJ5YPykxPAT5Bc5dly:P3pY2e5ytTJ5xsAT5kdly

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-1-5-21-1232405761-1209240240-3206092754-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2900	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 4372	2900	AcroRd32.exe	95
PID 2900 wrote to memory of 4372	2900	AcroRd32.exe	95
PID 2900 wrote to memory of 4372	2900	AcroRd32.exe	95
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 5040	4372	RdrCEF.exe	96
PID 4372 wrote to memory of 1212	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 1212	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 1212	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 1212	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 1212	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 1212	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 1212	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 1212	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 1212	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 1212	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 1212	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 1212	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 1212	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 1212	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 1212	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 1212	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 1212	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 1212	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 1212	4372	RdrCEF.exe	97
PID 4372 wrote to memory of 1212	4372	RdrCEF.exe	97

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\76f9dbfc4ec8341f62a49fb40c130309.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: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" --backgroundcolor=16514043
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4372
- - 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=6A4BE61293A090CF5E333FED7A8C6861 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5040
- - 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=665E72637729AD758B712D571194AA78 --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=665E72637729AD758B712D571194AA78 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1212
- - 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=18B835CDEA0A46AA6F8C1A3157C2A8E5 --mojo-platform-channel-handle=2296 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4244
- - 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=CCC5BE05AB738C544D32EF64DBE19A4A --mojo-platform-channel-handle=1888 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2636
- - 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=4359604A68E654699C54F7B19ED21755 --mojo-platform-channel-handle=2472 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:828
- - 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=0A51476D91A4CE44FCC9A04EAC1841F5 --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=0A51476D91A4CE44FCC9A04EAC1841F5 --renderer-client-id=7 --mojo-platform-channel-handle=1940 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2752

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2516

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
00d4cd2cdd2e0d3974e5b5dc3d2dd857

SHA1
a4152c46918f9972482908ea8ad7eb42546a4809

SHA256
2aca57cf17b1d0d1bf73dbb058db259c61a8273ee91ec6dbdba5ea9a5dfcde92

SHA512
b97159a5300b62b92a23d3bc3b61e6dc9ced1a7fdf32b59041d685ee97e7e1e1dff8396d39dc53a36d95f4e51543ae7301d2e9224e550b9227eb02b13fdde60f

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/2900-26-0x000000000A610000-0x000000000A660000-memory.dmp

Filesize
320KB

Download