66be9a85cdfac5fe113cd1fbcae07d58091d3c1dc58b909e08600a652dcb743b

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
06/03/2024, 11:16

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General

Target
b7428ff08eb42feee22864d4cba3e3ef.pdf
Size 33KB
Sample240306-ndewtshe21
SHA256 66be9a85cdfac5fe113cd1fbcae07d58091d3c1dc58b909e08600a652dcb743b
MD5 b7428ff08eb42feee22864d4cba3e3ef
SHA1 e123e1cc99ddf9ee0a30755b1958adeb61eea36d
SHA512 5a1bc6adc4980706ffac09b7f3aab4bf6f9ee325bf2e067ef2fbb1840f2a28715d50cd3d3f7814d849e9ae9c9a572e462d21572a45af52798aa88efa87b2910b
SSDEEP 768:xcGboeoJKchnsMg9r6JPkvrEBUlVVRjiEcQycfWDq:aIvchnsMkr6J0EBUlVXmEcQFfWDq
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-3270530367-132075249-2153716227-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2960	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe
2960	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2960 wrote to memory of 1940	2960	AcroRd32.exe	92
PID 2960 wrote to memory of 1940	2960	AcroRd32.exe	92
PID 2960 wrote to memory of 1940	2960	AcroRd32.exe	92
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4440	1940	RdrCEF.exe	95
PID 1940 wrote to memory of 4452	1940	RdrCEF.exe	96
PID 1940 wrote to memory of 4452	1940	RdrCEF.exe	96
PID 1940 wrote to memory of 4452	1940	RdrCEF.exe	96
PID 1940 wrote to memory of 4452	1940	RdrCEF.exe	96
PID 1940 wrote to memory of 4452	1940	RdrCEF.exe	96
PID 1940 wrote to memory of 4452	1940	RdrCEF.exe	96
PID 1940 wrote to memory of 4452	1940	RdrCEF.exe	96
PID 1940 wrote to memory of 4452	1940	RdrCEF.exe	96
PID 1940 wrote to memory of 4452	1940	RdrCEF.exe	96
PID 1940 wrote to memory of 4452	1940	RdrCEF.exe	96
PID 1940 wrote to memory of 4452	1940	RdrCEF.exe	96
PID 1940 wrote to memory of 4452	1940	RdrCEF.exe	96
PID 1940 wrote to memory of 4452	1940	RdrCEF.exe	96
PID 1940 wrote to memory of 4452	1940	RdrCEF.exe	96
PID 1940 wrote to memory of 4452	1940	RdrCEF.exe	96
PID 1940 wrote to memory of 4452	1940	RdrCEF.exe	96
PID 1940 wrote to memory of 4452	1940	RdrCEF.exe	96
PID 1940 wrote to memory of 4452	1940	RdrCEF.exe	96
PID 1940 wrote to memory of 4452	1940	RdrCEF.exe	96
PID 1940 wrote to memory of 4452	1940	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\b7428ff08eb42feee22864d4cba3e3ef.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:2960
- 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:1940
- - 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=FF144A8F3091590C76FD738F7A2FCD8F --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4440
- - 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=AA88893C5B62ABA2348AD0BD548DF6A1 --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=AA88893C5B62ABA2348AD0BD548DF6A1 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4452
- - 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=476650C7BB23D28CE1209EDEB4CBE1F4 --mojo-platform-channel-handle=2268 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3396
- - 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=D5BF38A4C12F34B1DF98ACDFFE2F5088 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4548
- - 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=A60468158B82DD753F4AA33E21273C45 --mojo-platform-channel-handle=2436 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2496
- - 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=5D7EE48DF08ABFB018A52469B53AD586 --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=5D7EE48DF08ABFB018A52469B53AD586 --renderer-client-id=7 --mojo-platform-channel-handle=2504 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:972

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4236

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

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 413845202979d12fc7214b72688fee17ecd2db683c9ef32f4b7f779b3d2e6949
MD5 8841bb727f97b54af02b7b8ace1d6607
SHA1 5b191bbc47a3b98745d2373db1a73cb773780bbc
SHA512 861a6f65b09d24139e0c5f1d3a87f7bdc99f54d2a18eaccf0136b8e1c9ff84421c1b01155ee7239d2d26f5b0590dc7a6ec37ffcb5dadd6981136a0aa7af2f916
SSDEEP 384:yeCdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:p+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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memory/2960-26-0x0000000009B50000-0x0000000009BA0000-memory.dmp

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