23183113ed75986fd44b4c5c85f047f6a5610c8d1198fbd6e1faacd9e27616fd

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
06/01/2024, 15:44

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General

Target

4699f5100e8b741cd888b831dac4adc9.pdf
Size

35KB
MD5

4699f5100e8b741cd888b831dac4adc9
SHA1

57a1062ee60e4c5c4a7e0035223d7c3b0a34bb0a
SHA256

23183113ed75986fd44b4c5c85f047f6a5610c8d1198fbd6e1faacd9e27616fd
SHA512

f042f1c4bb048885d4ef9095379b633a914bafaf97f5509de5fc55bdc5ec5fce32d8b3ecbb98e54f10e654c966367ff3ce4a0c9e337876aceec167214a228342
SSDEEP

768:Ahwk9ztycn6BesD5hu9VbpV5bdPlb2go92lOpupQjCfSAIwd:3kTWB/unVnNiWcQLOwd

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
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3584	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe
3584	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3584 wrote to memory of 1604	3584	AcroRd32.exe	90
PID 3584 wrote to memory of 1604	3584	AcroRd32.exe	90
PID 3584 wrote to memory of 1604	3584	AcroRd32.exe	90
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 3380	1604	RdrCEF.exe	91
PID 1604 wrote to memory of 1068	1604	RdrCEF.exe	92
PID 1604 wrote to memory of 1068	1604	RdrCEF.exe	92
PID 1604 wrote to memory of 1068	1604	RdrCEF.exe	92
PID 1604 wrote to memory of 1068	1604	RdrCEF.exe	92
PID 1604 wrote to memory of 1068	1604	RdrCEF.exe	92
PID 1604 wrote to memory of 1068	1604	RdrCEF.exe	92
PID 1604 wrote to memory of 1068	1604	RdrCEF.exe	92
PID 1604 wrote to memory of 1068	1604	RdrCEF.exe	92
PID 1604 wrote to memory of 1068	1604	RdrCEF.exe	92
PID 1604 wrote to memory of 1068	1604	RdrCEF.exe	92
PID 1604 wrote to memory of 1068	1604	RdrCEF.exe	92
PID 1604 wrote to memory of 1068	1604	RdrCEF.exe	92
PID 1604 wrote to memory of 1068	1604	RdrCEF.exe	92
PID 1604 wrote to memory of 1068	1604	RdrCEF.exe	92
PID 1604 wrote to memory of 1068	1604	RdrCEF.exe	92
PID 1604 wrote to memory of 1068	1604	RdrCEF.exe	92
PID 1604 wrote to memory of 1068	1604	RdrCEF.exe	92
PID 1604 wrote to memory of 1068	1604	RdrCEF.exe	92
PID 1604 wrote to memory of 1068	1604	RdrCEF.exe	92
PID 1604 wrote to memory of 1068	1604	RdrCEF.exe	92

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\4699f5100e8b741cd888b831dac4adc9.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:3584
- 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:1604
- - 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=FA287C799A93C3E6CC1AD1A39E8BA086 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3380
- - 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=3921D0B9C453086E349C196A5E1087A8 --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=3921D0B9C453086E349C196A5E1087A8 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1068
- - 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=2B830EB23443C168D1402379EF7A1062 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3540
- - 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=9D779E056951D635C419ADBD4BAC833C --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=9D779E056951D635C419ADBD4BAC833C --renderer-client-id=5 --mojo-platform-channel-handle=2340 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1632
- - 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=309E7A29F70A58460DD01D00B87F7DBC --mojo-platform-channel-handle=2364 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4044
- - 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=87EC4B035E25E5CF80D9A235A3A43CAC --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1972

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1380

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
8a35202d97a3952e1e3b191b90c7209c

SHA1
75bef26e5b0755a7730ec76eb820885a60386050

SHA256
6b270ec62bc26e25d9ce1b1499ded9dd358311f4f64a0e509e1b45e04893ea0b

SHA512
e91247dc6c88fd8d2ff7d38cb457c3957b4f6a2a3e61569f7449bb67bc0da08a517b584d71e0a9865485418b7f695a86ab6a84005cb67b58e184a173f02e8fd1

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