6a292bfeaccadef8ebab97d84cd181a67d50b8549265ca77ade26a248c8d6ac1

Analysis

max time kernel
142s
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
19-12-2023 12:40

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General

Target

25eb737f47c4b5ddbea86adff3fe41c6.pdf
Size

81KB
MD5

25eb737f47c4b5ddbea86adff3fe41c6
SHA1

f0d52a65193ac77278ab23bc8bc41f88c6b31dfd
SHA256

6a292bfeaccadef8ebab97d84cd181a67d50b8549265ca77ade26a248c8d6ac1
SHA512

68f98d9fbdf282bfbad6b77c35387b90488888074d16cb9b41bb8813934b609768b08c5b5571f2d77b0046faa2618c2687a57f625246ee3b4c6520896e71eff8
SSDEEP

1536:27b0A6Me+/SM9WiDuPIe5ZKXW7zWGpOKCW+MbvvtsD+Anw+Bjzg:9ASi+PXZUIUKxzA+A3Y

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-996941297-2279405024-2328152752-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4600	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe
4600	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4600 wrote to memory of 3068	4600	AcroRd32.exe	92
PID 4600 wrote to memory of 3068	4600	AcroRd32.exe	92
PID 4600 wrote to memory of 3068	4600	AcroRd32.exe	92
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 2316	3068	RdrCEF.exe	93
PID 3068 wrote to memory of 4048	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 4048	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 4048	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 4048	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 4048	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 4048	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 4048	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 4048	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 4048	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 4048	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 4048	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 4048	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 4048	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 4048	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 4048	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 4048	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 4048	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 4048	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 4048	3068	RdrCEF.exe	94
PID 3068 wrote to memory of 4048	3068	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\25eb737f47c4b5ddbea86adff3fe41c6.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:4600
- 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:3068
- - 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=EECBC3F0AC4EC321BF031B257ABD2ED3 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2316
- - 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=9B65392D5A8AD0AEC7C8CBDC086559DB --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=9B65392D5A8AD0AEC7C8CBDC086559DB --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4048
- - 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=5A29D56B1E1EDF28B33E00CDB40F09B0 --mojo-platform-channel-handle=1884 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:760
- - 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=709DB27AB2CF82D67E2DD9D7D31D19BA --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=709DB27AB2CF82D67E2DD9D7D31D19BA --renderer-client-id=5 --mojo-platform-channel-handle=2344 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:768
- - 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=99DD1BE5AA87FAA340D17532E181B8B7 --mojo-platform-channel-handle=2464 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1908
- - 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=AB34EFA7C9445475250FC66C620575AA --mojo-platform-channel-handle=1988 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2716

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
a3c904510d875a4e61e53ea9b4781266

SHA1
268514c6c3336d0df119c5f2506ef83b1652d529

SHA256
3af44576ee5337e6ee623d58c1ada74e9b65c7584d93a54ce1b1c160c5093d75

SHA512
621601bcaf9036b124329b1518772c60f408b50e3a69d8ea869346ded5f7956d3f95895ada55f2ca8a6150a3848f8ab1db94aad35852e248311e49f0ddf4bd89

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