d9e1c9c3a678e1f9c0d5607607e8d8ae4540bca09d3d8a3dd9a807bdea81ee3a

Analysis

max time kernel
147s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
25/02/2024, 07:20

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General

Target

a3326f836be5603e96563cb42f094da5.pdf
Size

78KB
MD5

a3326f836be5603e96563cb42f094da5
SHA1

d5d0665987747ef840de8b0730314beb95167bb8
SHA256

d9e1c9c3a678e1f9c0d5607607e8d8ae4540bca09d3d8a3dd9a807bdea81ee3a
SHA512

7d4d0dce829b6fe3b9704bcf3aa9fc8e31451ac29438606e5f2f8c8f10de009be682c17ff8a88b93576ba87a191736b6d3d2f30ed4bba68928281558abfa95d7
SSDEEP

1536:DgqYzGxgX+mK085Sp7Tj20lnvpM+i7SPmTD3MjTqFjql5gr:Di3K085+1tvpM3mPmTDEQj4a

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-1-5-21-1790404759-2178872477-2616469472-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
792	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe
792	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 792 wrote to memory of 4084	792	AcroRd32.exe	92
PID 792 wrote to memory of 4084	792	AcroRd32.exe	92
PID 792 wrote to memory of 4084	792	AcroRd32.exe	92
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 5064	4084	RdrCEF.exe	93
PID 4084 wrote to memory of 4160	4084	RdrCEF.exe	94
PID 4084 wrote to memory of 4160	4084	RdrCEF.exe	94
PID 4084 wrote to memory of 4160	4084	RdrCEF.exe	94
PID 4084 wrote to memory of 4160	4084	RdrCEF.exe	94
PID 4084 wrote to memory of 4160	4084	RdrCEF.exe	94
PID 4084 wrote to memory of 4160	4084	RdrCEF.exe	94
PID 4084 wrote to memory of 4160	4084	RdrCEF.exe	94
PID 4084 wrote to memory of 4160	4084	RdrCEF.exe	94
PID 4084 wrote to memory of 4160	4084	RdrCEF.exe	94
PID 4084 wrote to memory of 4160	4084	RdrCEF.exe	94
PID 4084 wrote to memory of 4160	4084	RdrCEF.exe	94
PID 4084 wrote to memory of 4160	4084	RdrCEF.exe	94
PID 4084 wrote to memory of 4160	4084	RdrCEF.exe	94
PID 4084 wrote to memory of 4160	4084	RdrCEF.exe	94
PID 4084 wrote to memory of 4160	4084	RdrCEF.exe	94
PID 4084 wrote to memory of 4160	4084	RdrCEF.exe	94
PID 4084 wrote to memory of 4160	4084	RdrCEF.exe	94
PID 4084 wrote to memory of 4160	4084	RdrCEF.exe	94
PID 4084 wrote to memory of 4160	4084	RdrCEF.exe	94
PID 4084 wrote to memory of 4160	4084	RdrCEF.exe	94

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\a3326f836be5603e96563cb42f094da5.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:792
- 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:4084
- - 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=AF518B57F5F421994EEDA56A1F0AB302 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5064
- - 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=BD91CA5E8151BA98C33E730877F14A75 --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=BD91CA5E8151BA98C33E730877F14A75 --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4160
- - 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=D972682B8D1AD94BDA5B46D674391DB9 --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1484
- - 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=E5635F1DAD8D63873676E215F3771442 --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=E5635F1DAD8D63873676E215F3771442 --renderer-client-id=5 --mojo-platform-channel-handle=1820 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1028
- - 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=1EDADF03608091E97C78D120167ADE28 --mojo-platform-channel-handle=2564 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2720
- - 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=C1B34D89A0445CE6D616608794A6E9C2 --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4556

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3544

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
e80d4744839d6d74e68f4fa89c686fc1

SHA1
07045df9ad05cf2e497300e8481e815e278869a6

SHA256
b19c18c4df4f3307ebdf3f2154376cfd092f29274c62b053524ab98083304f78

SHA512
57eccb1f6afcb25a53f326819a0f85421f8e1458e76b1158def002a34ca1287b817b139578057a68f56dfbaa073215c5d197674224a4e6aba4b14960add4a366

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/792-27-0x000000000B5B0000-0x000000000B5D1000-memory.dmp

Filesize
132KB

Download