48644cae2d18694fb721129f1b7f3e0a442ef7848e105871fc59349d8070fa36

Analysis

max time kernel
142s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
01/02/2024, 22:24

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General

Target
87d1b29bfb32573df72aaecaeeb21805.pdf
Size 82KB
Sample240201-2bjznahfcl
SHA256 48644cae2d18694fb721129f1b7f3e0a442ef7848e105871fc59349d8070fa36
MD5 87d1b29bfb32573df72aaecaeeb21805
SHA1 f9d4f755bca8ebed4f5669e6fd8599f2c9ff397a
SHA512 037ee4d19b913fe435b085255dfafb8f9f905fab708d773f6911438353e4b032ab27e4176c9866aa7bf8f0246b148a11ec539e4024fb256e285da165b1f1482b
SSDEEP 1536:sytMXg+MgRw/qj/UKW1TsBB8H4+CZp0RXC/9cTeW1pFLkaCPWWOpOwrLiPOLEcpW:ftMXn4EMKnWHJCZiRXC1cdFLkTLwrLiJ
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-1-5-21-768304381-2824894965-3840216961-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1444	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe
1444	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1444 wrote to memory of 4912	1444	AcroRd32.exe	86
PID 1444 wrote to memory of 4912	1444	AcroRd32.exe	86
PID 1444 wrote to memory of 4912	1444	AcroRd32.exe	86
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 4144	4912	RdrCEF.exe	87
PID 4912 wrote to memory of 2928	4912	RdrCEF.exe	88
PID 4912 wrote to memory of 2928	4912	RdrCEF.exe	88
PID 4912 wrote to memory of 2928	4912	RdrCEF.exe	88
PID 4912 wrote to memory of 2928	4912	RdrCEF.exe	88
PID 4912 wrote to memory of 2928	4912	RdrCEF.exe	88
PID 4912 wrote to memory of 2928	4912	RdrCEF.exe	88
PID 4912 wrote to memory of 2928	4912	RdrCEF.exe	88
PID 4912 wrote to memory of 2928	4912	RdrCEF.exe	88
PID 4912 wrote to memory of 2928	4912	RdrCEF.exe	88
PID 4912 wrote to memory of 2928	4912	RdrCEF.exe	88
PID 4912 wrote to memory of 2928	4912	RdrCEF.exe	88
PID 4912 wrote to memory of 2928	4912	RdrCEF.exe	88
PID 4912 wrote to memory of 2928	4912	RdrCEF.exe	88
PID 4912 wrote to memory of 2928	4912	RdrCEF.exe	88
PID 4912 wrote to memory of 2928	4912	RdrCEF.exe	88
PID 4912 wrote to memory of 2928	4912	RdrCEF.exe	88
PID 4912 wrote to memory of 2928	4912	RdrCEF.exe	88
PID 4912 wrote to memory of 2928	4912	RdrCEF.exe	88
PID 4912 wrote to memory of 2928	4912	RdrCEF.exe	88
PID 4912 wrote to memory of 2928	4912	RdrCEF.exe	88

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\87d1b29bfb32573df72aaecaeeb21805.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:1444
- 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:4912
- - 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=D5B9387264139C41062CF5EF608E351B --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4144
- - 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=8F033EB6ADA07BD0F7E293AE506777ED --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=8F033EB6ADA07BD0F7E293AE506777ED --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2928
- - 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=32663B39A0D148D6D2C04B7B4D0AE6ED --mojo-platform-channel-handle=2156 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4404
- - 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=33C961A6EABD3370B3B54A21394B5221 --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=33C961A6EABD3370B3B54A21394B5221 --renderer-client-id=5 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2636
- - 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=DCFFFF5DB6D7E02B21D167908153A22A --mojo-platform-channel-handle=2684 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4704
- - 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=DB8D327DCB5CE10FE8EA68977C56745B --mojo-platform-channel-handle=2240 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1640

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4004

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 7602d4ba5dcdd42cc7117d23771c8cf5fdf699fb40a0ccb1f4789951247f93ad
MD5 77ed94c412d3ddd0a87620fe84af4a01
SHA1 2ce6beebded1749b586669bed8ec0596f99b3c44
SHA512 3eb78ea56db2275d4beb053f65dc27d650294c344446ed6d8c410a0aa6481c02a0a6fb3c7a3c857e3574d159aa658bf13ed5184e51e031458a3d2b9c2c92290d
SSDEEP 384:ye/dThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:6+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/1444-26-0x000000000BE30000-0x000000000BE80000-memory.dmp

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memory/1444-28-0x000000000BE30000-0x000000000BE51000-memory.dmp

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