df9f7bab0ca1426aba03061b474689b5ad89cd73b97eab462990505b132f9094

Analysis

max time kernel
141s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
27/02/2024, 22:18

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General

Target

aa4c3026c467984dceef385a96059f14.pdf
Size

81KB
MD5

aa4c3026c467984dceef385a96059f14
SHA1

9b4c4193e57cf1dc4965e21a90bfc9d6dacc63d1
SHA256

df9f7bab0ca1426aba03061b474689b5ad89cd73b97eab462990505b132f9094
SHA512

acd6785bd56d2725b7eb07d84908182627007f26e053f4b2cb4c10d1fd95285597b1d58cf23d24a24216dc6c5a884894bc7ddb7c30fdaddd071f04883aaa0b64
SSDEEP

1536:UM+rBlk0HwIHGcAqE/7wGOvx9v/oyR2P9D2WkJmPEP94hyGWxApOGRV5TWLj:L+XZHwIW0GOvx9IXV+suAyT3GRz6

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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3520	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe
3520	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3520 wrote to memory of 1644	3520	AcroRd32.exe	91
PID 3520 wrote to memory of 1644	3520	AcroRd32.exe	91
PID 3520 wrote to memory of 1644	3520	AcroRd32.exe	91
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 4508	1644	RdrCEF.exe	92
PID 1644 wrote to memory of 3080	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 3080	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 3080	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 3080	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 3080	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 3080	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 3080	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 3080	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 3080	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 3080	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 3080	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 3080	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 3080	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 3080	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 3080	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 3080	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 3080	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 3080	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 3080	1644	RdrCEF.exe	93
PID 1644 wrote to memory of 3080	1644	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\aa4c3026c467984dceef385a96059f14.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:3520
- 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:1644
- - 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=3F48FFB35122B31AE629C95FCEADEF05 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4508
- - 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=F76FD1368039FA3BB0A17A52273DD276 --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=F76FD1368039FA3BB0A17A52273DD276 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3080
- - 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=3B4F1A60DA8BE33D782E9A9B61B1C795 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1504
- - 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=092ED74CAF712265C5FA760F8F99D604 --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=092ED74CAF712265C5FA760F8F99D604 --renderer-client-id=5 --mojo-platform-channel-handle=2416 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4832
- - 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=FC3FF3742226681BBC7F9C45DEF7ED2E --mojo-platform-channel-handle=2708 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:228
- - 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=30FAB823F384DF25C9744FAC9F4F9D97 --mojo-platform-channel-handle=2384 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4208

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4456

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
90dee731622475cdbd8b88f2f5d7a376

SHA1
885ec1a801f4425355e1ab73aeb57c2151c4f596

SHA256
f192c098af66a8b42cb6effaf336249b78601999c5bd65caccb62de84052356c

SHA512
2dcf2516dbaa8681343b24c898effbc92a9d638ac180adf444c742713e3c4386197e607db240400120180c57622c733142cbdef964f21dab1b03eb1465cd5ed8

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