891b2017c05f47f245eb61379e58ddd184387b4c119e6054c99dbfccc0b74404

Analysis

max time kernel
150s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
16/03/2024, 09:44

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General

Target

cdbb610e125686dfc6672cc899206cc4.pdf
Size

89KB
MD5

cdbb610e125686dfc6672cc899206cc4
SHA1

fbe366bfcacc2f1537e1562b8ae7d8faaf159695
SHA256

891b2017c05f47f245eb61379e58ddd184387b4c119e6054c99dbfccc0b74404
SHA512

93d4e819cf7e5c49ef849594a154e9bca5c3da5c3ef4c2d85caf201ef603867b54c8851b707a0b309fabd8ca9725707bf97c9edfa1603f0c612412c4289c3e17
SSDEEP

1536:aFYPQnwcZORViuyoOK5++HfC8p/eVdLpqBZNEcWsUcf6rsJTWvcZfL4KEkdu/+aN:CYmwcZMiEOK5BfbmVNc3Gjcf6rsD/Qmo

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2988	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe
2988	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2988 wrote to memory of 3476	2988	AcroRd32.exe	92
PID 2988 wrote to memory of 3476	2988	AcroRd32.exe	92
PID 2988 wrote to memory of 3476	2988	AcroRd32.exe	92
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 884	3476	RdrCEF.exe	93
PID 3476 wrote to memory of 1664	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 1664	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 1664	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 1664	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 1664	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 1664	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 1664	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 1664	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 1664	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 1664	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 1664	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 1664	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 1664	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 1664	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 1664	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 1664	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 1664	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 1664	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 1664	3476	RdrCEF.exe	94
PID 3476 wrote to memory of 1664	3476	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\cdbb610e125686dfc6672cc899206cc4.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:2988
- 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:3476
- - 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=C6893FF86136EEB723C589C8972437FA --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:884
- - 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=8440A9F3744A16AA89584D22E0ACF68D --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=8440A9F3744A16AA89584D22E0ACF68D --renderer-client-id=2 --mojo-platform-channel-handle=1772 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1664
- - 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=FD393E2828F16461B95C062761A6B769 --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=FD393E2828F16461B95C062761A6B769 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:224
- - 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=EF22CD990D0ACD77D3897D4B25D6898F --mojo-platform-channel-handle=2592 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2308
- - 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=AA6156B2BF0A870682E9CC02D26DBDC2 --mojo-platform-channel-handle=1884 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3236
- - 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=FE4A3609186E51A1D4A50C7D2C7CE2C4 --mojo-platform-channel-handle=2676 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3700

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4864

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
6f13f3be9bcdb15560742cf7f704a636

SHA1
c584902b0405e191f76630d7c8dd89673d421f1c

SHA256
2e4dc8836d2af6a635317a5a6dcfcb319b04cf395b41d7de6dfd2d26035291eb

SHA512
865a9db0f6e50bc5bae4abdccf5f55192abcd27e644553f8c43cf5a494538debdb102e93686ba69c83b4df2b59ef5752f4cf956bc95734af73c3b6bf60f2ce2a

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