45e99d663800f43de37234ab8f18366aedd28ebe35cd0c5909c6dbb26caa8465

Analysis

max time kernel
152s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28/03/2024, 16:13

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General

Target

Internal Careers Portal - Login Instructions - 10-19-2023.pdf
Size

1.2MB
MD5

246dc90c02e4c1466e426b5d109105b0
SHA1

028da9c72393edb6e000ed411e2eb4ceeecddc22
SHA256

45e99d663800f43de37234ab8f18366aedd28ebe35cd0c5909c6dbb26caa8465
SHA512

11c86678e630c38132fc1b5bd4da529457be8a9ed3c31ab45ff595ddfac099e9b8cd8c5ae9adada1f5e5cc6d51dd7be73d7abfb1610d494f903881144d7dc06b
SSDEEP

24576:RNoIeec/BmkPT/Lr3AKiExp77e1AWC7f/vN4nX/m59rPV9XXlpGXKLf5a:GsQT3hxp77jjXvuX/W9rPvlha

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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4660	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe
4660	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4660 wrote to memory of 4772	4660	AcroRd32.exe	99
PID 4660 wrote to memory of 4772	4660	AcroRd32.exe	99
PID 4660 wrote to memory of 4772	4660	AcroRd32.exe	99
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 936	4772	RdrCEF.exe	101
PID 4772 wrote to memory of 3760	4772	RdrCEF.exe	102
PID 4772 wrote to memory of 3760	4772	RdrCEF.exe	102
PID 4772 wrote to memory of 3760	4772	RdrCEF.exe	102
PID 4772 wrote to memory of 3760	4772	RdrCEF.exe	102
PID 4772 wrote to memory of 3760	4772	RdrCEF.exe	102
PID 4772 wrote to memory of 3760	4772	RdrCEF.exe	102
PID 4772 wrote to memory of 3760	4772	RdrCEF.exe	102
PID 4772 wrote to memory of 3760	4772	RdrCEF.exe	102
PID 4772 wrote to memory of 3760	4772	RdrCEF.exe	102
PID 4772 wrote to memory of 3760	4772	RdrCEF.exe	102
PID 4772 wrote to memory of 3760	4772	RdrCEF.exe	102
PID 4772 wrote to memory of 3760	4772	RdrCEF.exe	102
PID 4772 wrote to memory of 3760	4772	RdrCEF.exe	102
PID 4772 wrote to memory of 3760	4772	RdrCEF.exe	102
PID 4772 wrote to memory of 3760	4772	RdrCEF.exe	102
PID 4772 wrote to memory of 3760	4772	RdrCEF.exe	102
PID 4772 wrote to memory of 3760	4772	RdrCEF.exe	102
PID 4772 wrote to memory of 3760	4772	RdrCEF.exe	102

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\Internal Careers Portal - Login Instructions - 10-19-2023.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:4660
- 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:4772
- - 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=98475801559E45CBD7E6A4EE8B0F2D65 --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=98475801559E45CBD7E6A4EE8B0F2D65 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:936
- - 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=883D92C3FCC1597D1F77CD2E1B10E93F --mojo-platform-channel-handle=1748 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3760
- - 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=24A8264CC4B475D70FAF89B2904C6A0F --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=24A8264CC4B475D70FAF89B2904C6A0F --renderer-client-id=4 --mojo-platform-channel-handle=2172 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:5000
- - 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=187408F8829F517ED108F37843D66A46 --mojo-platform-channel-handle=2688 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3788
- - 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=BC405FEEA835230C328BD439B17E01D6 --mojo-platform-channel-handle=2896 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2448
- - 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=DB94D83DCCB61347E25035AB9014853E --mojo-platform-channel-handle=2704 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3760
- 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⤵
  PID:1348

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4060

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4120 --field-trial-handle=2900,i,14549994492153927475,12895178890800740987,262144 --variations-seed-version /prefetch:8
1⤵
PID:4496

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
e3960c8d799d2946bfdefb3edab51615

SHA1
689ecf5f60013c145341fc237b05c9cf9fe1ffcb

SHA256
fed491771708225a40580963133174b077fd75f6e70d0123304c1c040c3d51e8

SHA512
a950204456453088090f38bf3c877d24a84b22fd742d46fed319167a5ab19edaf26fec9c3eceaf88455271fcfc45079d8088fc92fbdb16b298a7d10365e89a06

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