f0effed30354fc7b3828ce166f1a29f4277e96ea29d4c858bf5531ed164992e6

Analysis

max time kernel
148s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
14-03-2024 03:58

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General

Target

c7a1258631e3bd3f0f6aeacd6fb86b96.pdf
Size

72KB
MD5

c7a1258631e3bd3f0f6aeacd6fb86b96
SHA1

aa32a5ab9854978cc9c435fa6a3733404f353266
SHA256

f0effed30354fc7b3828ce166f1a29f4277e96ea29d4c858bf5531ed164992e6
SHA512

c3b922c4e5201294a6800949a64cf423f55d5c9c539fad3bdb088bb62c180542179e0d4cfdf01bcc7adf67f6ddfa6363f725e21c58bbfb30c6a3e66deeb62279
SSDEEP

1536:HA4ryAJ+7ruzmcksbKy+JtSVoc9VrLVvgzkrp8tK0WOpOwrKWzjATTNxyqtPb/JG:7LJhzPh7+2ec7rdg81RwrpUTNZPb4

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-1-5-21-557049126-2506969350-2798870634-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3664	AcroRd32.exe
3664	AcroRd32.exe
3664	AcroRd32.exe
3664	AcroRd32.exe
3664	AcroRd32.exe
3664	AcroRd32.exe
3664	AcroRd32.exe
3664	AcroRd32.exe
3664	AcroRd32.exe
3664	AcroRd32.exe
3664	AcroRd32.exe
3664	AcroRd32.exe
3664	AcroRd32.exe
3664	AcroRd32.exe
3664	AcroRd32.exe
3664	AcroRd32.exe
3664	AcroRd32.exe
3664	AcroRd32.exe
3664	AcroRd32.exe
3664	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3664	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3664	AcroRd32.exe
3664	AcroRd32.exe
3664	AcroRd32.exe
3664	AcroRd32.exe
3664	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3664 wrote to memory of 1620	3664	AcroRd32.exe	92
PID 3664 wrote to memory of 1620	3664	AcroRd32.exe	92
PID 3664 wrote to memory of 1620	3664	AcroRd32.exe	92
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 3600	1620	RdrCEF.exe	95
PID 1620 wrote to memory of 4272	1620	RdrCEF.exe	96
PID 1620 wrote to memory of 4272	1620	RdrCEF.exe	96
PID 1620 wrote to memory of 4272	1620	RdrCEF.exe	96
PID 1620 wrote to memory of 4272	1620	RdrCEF.exe	96
PID 1620 wrote to memory of 4272	1620	RdrCEF.exe	96
PID 1620 wrote to memory of 4272	1620	RdrCEF.exe	96
PID 1620 wrote to memory of 4272	1620	RdrCEF.exe	96
PID 1620 wrote to memory of 4272	1620	RdrCEF.exe	96
PID 1620 wrote to memory of 4272	1620	RdrCEF.exe	96
PID 1620 wrote to memory of 4272	1620	RdrCEF.exe	96
PID 1620 wrote to memory of 4272	1620	RdrCEF.exe	96
PID 1620 wrote to memory of 4272	1620	RdrCEF.exe	96
PID 1620 wrote to memory of 4272	1620	RdrCEF.exe	96
PID 1620 wrote to memory of 4272	1620	RdrCEF.exe	96
PID 1620 wrote to memory of 4272	1620	RdrCEF.exe	96
PID 1620 wrote to memory of 4272	1620	RdrCEF.exe	96
PID 1620 wrote to memory of 4272	1620	RdrCEF.exe	96
PID 1620 wrote to memory of 4272	1620	RdrCEF.exe	96
PID 1620 wrote to memory of 4272	1620	RdrCEF.exe	96
PID 1620 wrote to memory of 4272	1620	RdrCEF.exe	96

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\c7a1258631e3bd3f0f6aeacd6fb86b96.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:3664
- 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:1620
- - 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=70D093C4460C130C5B067DE8D95087B9 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3600
- - 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=0993BC3B7151037672B4897DBD757285 --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=0993BC3B7151037672B4897DBD757285 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4272
- - 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=19DABF68D998A6C08CDC5AEF3504E204 --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=19DABF68D998A6C08CDC5AEF3504E204 --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4396
- - 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=9FDAF53319B945E44BB5DCB36C2FCF7E --mojo-platform-channel-handle=2424 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3812
- - 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=20A7150F83B8C574EA1C75701C254B78 --mojo-platform-channel-handle=2560 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1464
- - 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=4C25A3FC79E5F4291AA345FC93AFBC18 --mojo-platform-channel-handle=2032 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1692

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
1687d5cada708855344b9c20246b6414

SHA1
a907102c0b9d02cc8e1bc087826697468e358ed5

SHA256
c451b2acf127408a8d9f314b5205959d38f240aaed02ee6a3993f0815de02b7b

SHA512
d484e38e7e67b9907f766f990567e32737340aa19576fd5fdff5d1c79aceb0d35a679f2cf6f4a2789b7858c54bb9cdfe2c31cf62e7f3b4612b4f02c83727ba65

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