7f1c6af19d872208c675d59539df8c7871d5df18549f2233f9a15ee06e1a7998

Analysis

max time kernel
143s
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
09-01-2024 10:52

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General

Target

4e1beb2a92eed44976bc1d1c613224fb.pdf
Size

78KB
MD5

4e1beb2a92eed44976bc1d1c613224fb
SHA1

0fe3e28608e51d91e16ec302d5b3b0037f827f42
SHA256

7f1c6af19d872208c675d59539df8c7871d5df18549f2233f9a15ee06e1a7998
SHA512

bc0a6270aebf49b9997a701db0f65d0c40d2c455ad35a0f1a9e4c55e6d29c2c765f89a7f4550120776cbd5cdaa17214d8944776f179ba35af81c2c10c52ae79b
SSDEEP

1536:TNJZG/41er3QZjoRp9FDKcf7+HwC3SHp9pGUi2HMm/KSV8:HZG/41ebFDtf7+D3SHdfvwF

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
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2356	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe
2356	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2356 wrote to memory of 1308	2356	AcroRd32.exe	90
PID 2356 wrote to memory of 1308	2356	AcroRd32.exe	90
PID 2356 wrote to memory of 1308	2356	AcroRd32.exe	90
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 3140	1308	RdrCEF.exe	93
PID 1308 wrote to memory of 5104	1308	RdrCEF.exe	94
PID 1308 wrote to memory of 5104	1308	RdrCEF.exe	94
PID 1308 wrote to memory of 5104	1308	RdrCEF.exe	94
PID 1308 wrote to memory of 5104	1308	RdrCEF.exe	94
PID 1308 wrote to memory of 5104	1308	RdrCEF.exe	94
PID 1308 wrote to memory of 5104	1308	RdrCEF.exe	94
PID 1308 wrote to memory of 5104	1308	RdrCEF.exe	94
PID 1308 wrote to memory of 5104	1308	RdrCEF.exe	94
PID 1308 wrote to memory of 5104	1308	RdrCEF.exe	94
PID 1308 wrote to memory of 5104	1308	RdrCEF.exe	94
PID 1308 wrote to memory of 5104	1308	RdrCEF.exe	94
PID 1308 wrote to memory of 5104	1308	RdrCEF.exe	94
PID 1308 wrote to memory of 5104	1308	RdrCEF.exe	94
PID 1308 wrote to memory of 5104	1308	RdrCEF.exe	94
PID 1308 wrote to memory of 5104	1308	RdrCEF.exe	94
PID 1308 wrote to memory of 5104	1308	RdrCEF.exe	94
PID 1308 wrote to memory of 5104	1308	RdrCEF.exe	94
PID 1308 wrote to memory of 5104	1308	RdrCEF.exe	94
PID 1308 wrote to memory of 5104	1308	RdrCEF.exe	94
PID 1308 wrote to memory of 5104	1308	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\4e1beb2a92eed44976bc1d1c613224fb.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:2356
- 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:1308
- - 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=01D881DA90D02D96947CF88D7F24CA54 --mojo-platform-channel-handle=1700 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3140
- - 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=B81CFCBA514FCEDAE13CDD351366FE1B --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=B81CFCBA514FCEDAE13CDD351366FE1B --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5104
- - 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=7813CA8955F9DE59458DB4CDE14FD0C2 --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=7813CA8955F9DE59458DB4CDE14FD0C2 --renderer-client-id=4 --mojo-platform-channel-handle=2288 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4132
- - 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=DE9923E9A9208B8BC5CB161BA2441F6F --mojo-platform-channel-handle=2540 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4664
- - 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=62627CB6460AAE1973F61947B6A94E08 --mojo-platform-channel-handle=1916 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4476
- - 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=C78198F8289D4532E90C3BB4F9CDE62F --mojo-platform-channel-handle=1836 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4044

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3560

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
fe3f65d699d4ba28b75c3272ce7139c6

SHA1
3057b572c9f146699e108a65c4744ed050bfbad1

SHA256
cc39c08f74f4b929607544244cc5173488ceccd86abe926687bea03bd534d68e

SHA512
ab342df53ecb9bfe1c18087e98ab4bc44b1d41d7fe335703e57cc7894835e27a577a9bbf1baa583d711e85ac8f7e3f3e334ee4cd58ae0d90e573f70840ca586e

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