a63a1893627c4847a59e0e6d6211e8ceb4f03a6360e21675d1025ff0c148dd0b

Analysis

max time kernel
143s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
10-01-2024 07:27

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General

Target

4ff27d201b179d0c04ed68ed81f13ed2.pdf
Size

116KB
MD5

4ff27d201b179d0c04ed68ed81f13ed2
SHA1

0b9559e62247299c75fc7f46dcb5f9cba439027d
SHA256

a63a1893627c4847a59e0e6d6211e8ceb4f03a6360e21675d1025ff0c148dd0b
SHA512

52d66f4eb8dd0bb20ce07ff5624b2a9e6f41dc69f9d5c00ed9f6256fedcc27511c8a5b08ea4ee41c0d6f0cd8afbb53899444223f78d8569ae222a5c733b2380c
SSDEEP

3072:+aKsgTCNCLXcS91/N8ZLE9ml3UGutUARL:Jg9MUN8ZvS

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
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4340	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe
4340	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4340 wrote to memory of 4104	4340	AcroRd32.exe	91
PID 4340 wrote to memory of 4104	4340	AcroRd32.exe	91
PID 4340 wrote to memory of 4104	4340	AcroRd32.exe	91
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 2512	4104	RdrCEF.exe	92
PID 4104 wrote to memory of 1108	4104	RdrCEF.exe	93
PID 4104 wrote to memory of 1108	4104	RdrCEF.exe	93
PID 4104 wrote to memory of 1108	4104	RdrCEF.exe	93
PID 4104 wrote to memory of 1108	4104	RdrCEF.exe	93
PID 4104 wrote to memory of 1108	4104	RdrCEF.exe	93
PID 4104 wrote to memory of 1108	4104	RdrCEF.exe	93
PID 4104 wrote to memory of 1108	4104	RdrCEF.exe	93
PID 4104 wrote to memory of 1108	4104	RdrCEF.exe	93
PID 4104 wrote to memory of 1108	4104	RdrCEF.exe	93
PID 4104 wrote to memory of 1108	4104	RdrCEF.exe	93
PID 4104 wrote to memory of 1108	4104	RdrCEF.exe	93
PID 4104 wrote to memory of 1108	4104	RdrCEF.exe	93
PID 4104 wrote to memory of 1108	4104	RdrCEF.exe	93
PID 4104 wrote to memory of 1108	4104	RdrCEF.exe	93
PID 4104 wrote to memory of 1108	4104	RdrCEF.exe	93
PID 4104 wrote to memory of 1108	4104	RdrCEF.exe	93
PID 4104 wrote to memory of 1108	4104	RdrCEF.exe	93
PID 4104 wrote to memory of 1108	4104	RdrCEF.exe	93
PID 4104 wrote to memory of 1108	4104	RdrCEF.exe	93
PID 4104 wrote to memory of 1108	4104	RdrCEF.exe	93

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\4ff27d201b179d0c04ed68ed81f13ed2.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:4340
- 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:4104
- - 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=D5A28D878D9F3D6DAC9BDAD5E43D45DA --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2512
- - 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=527919C24E6E5759475797776BA56238 --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=527919C24E6E5759475797776BA56238 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1108
- - 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=B4439978B9AE1862AA134E2A987E753F --mojo-platform-channel-handle=2168 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2724
- - 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=5C9E3A24ABB39850829E345D69013C0C --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=5C9E3A24ABB39850829E345D69013C0C --renderer-client-id=5 --mojo-platform-channel-handle=1796 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:6116
- - 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=72A5C770ED6EFF88271AB052D2E5B4DF --mojo-platform-channel-handle=2680 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4408
- - 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=E6B8555F42CE30A85DD160B049C9EA08 --mojo-platform-channel-handle=2752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1372

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
b9939d4d065422655bdd7199b60a7e53

SHA1
2fee2d7d1aaef64cd45fac567b4a590e4684be87

SHA256
b0ee4ea58e99be74f3651be19d70a163f529bc7772cb164bf81450a804055de1

SHA512
65d263edafeea212f4bf0f4bce6ec395bb7c0c896e0b073a7814f18f8ec9c7a0786dc17030c6ef08674ee54339afa1efbab0576cee197ccf181cfb47a75af3dd

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/4340-26-0x0000000009890000-0x00000000098E0000-memory.dmp

Filesize
320KB

Download