0ef4867f128468591782802663f6b6f49e404bc9949ce54fe385837565ca2efe

Analysis

max time kernel
143s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-11-2024 08:58

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General

Target

1099Misc233.pdf
Size

220.0MB
MD5

daa153b1d4f8ecab0d0cab2911b89ce7
SHA1

26eabfb2506d2a89c97ac1b4e19bac67493cf009
SHA256

dcf81f648ee6d097226d3c885561c34bb22e738501e410410afce9787bd43009
SHA512

016cda97b65730cc380d4120ce65d70cb0bb079b8c869d977887c53dc29276bc7949d9f7793750241551c3299c697ee1f643406d1cd5cb07132b42486f98b3da
SSDEEP

3145728:k6lH+byk0ZggBznCh2HCea5bQ92NmDVr9XqnZGWp:

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

AcroRd32.exeRdrCEF.exeRdrCEF.exeRdrCEF.exeRdrCEF.exeRdrCEF.exeRdrCEF.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RdrCEF.exe

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

Processes:

AcroRd32.exe

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

Processes:

AcroRd32.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	Process
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid	Process
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe
1080	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	Process	procid_target
PID 1080 wrote to memory of 4700	1080	AcroRd32.exe	89
PID 1080 wrote to memory of 4700	1080	AcroRd32.exe	89
PID 1080 wrote to memory of 4700	1080	AcroRd32.exe	89
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 2124	4700	RdrCEF.exe	90
PID 4700 wrote to memory of 3756	4700	RdrCEF.exe	91
PID 4700 wrote to memory of 3756	4700	RdrCEF.exe	91
PID 4700 wrote to memory of 3756	4700	RdrCEF.exe	91
PID 4700 wrote to memory of 3756	4700	RdrCEF.exe	91
PID 4700 wrote to memory of 3756	4700	RdrCEF.exe	91
PID 4700 wrote to memory of 3756	4700	RdrCEF.exe	91
PID 4700 wrote to memory of 3756	4700	RdrCEF.exe	91
PID 4700 wrote to memory of 3756	4700	RdrCEF.exe	91
PID 4700 wrote to memory of 3756	4700	RdrCEF.exe	91
PID 4700 wrote to memory of 3756	4700	RdrCEF.exe	91
PID 4700 wrote to memory of 3756	4700	RdrCEF.exe	91
PID 4700 wrote to memory of 3756	4700	RdrCEF.exe	91
PID 4700 wrote to memory of 3756	4700	RdrCEF.exe	91
PID 4700 wrote to memory of 3756	4700	RdrCEF.exe	91
PID 4700 wrote to memory of 3756	4700	RdrCEF.exe	91
PID 4700 wrote to memory of 3756	4700	RdrCEF.exe	91
PID 4700 wrote to memory of 3756	4700	RdrCEF.exe	91
PID 4700 wrote to memory of 3756	4700	RdrCEF.exe	91
PID 4700 wrote to memory of 3756	4700	RdrCEF.exe	91
PID 4700 wrote to memory of 3756	4700	RdrCEF.exe	91

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\1099Misc233.pdf"
1⤵
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1080
- 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⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4700
- - 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=C7E6B92C936F9283F859A855F739D291 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2124
- - 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=83BAC34737A1BB8447446DF37515231C --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=83BAC34737A1BB8447446DF37515231C --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3756
- - 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=65B8B5C0624E7F111FDA00C18008D3B5 --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2216
- - 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=11274EAFC5E6B607C996FFD6E1605DD4 --mojo-platform-channel-handle=1720 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4408
- - 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=188C85EB136552ED7E8A32DFE880A92C --mojo-platform-channel-handle=2332 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4864

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4964

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

System Location Discovery

T1614

System Language Discovery

T1614.001

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
1edc6cbf44791d0a2b977f74659a12eb

SHA1
d8be5e323810e51b71e8674a592cf24e2c44c424

SHA256
a7011b0411da6d52f717debb539cd0b5a7c638caa5b826cbb8c3d20259fd0b5f

SHA512
b9e76425bdcf3e0f70ddbb86f6b9828a74064ddf519678c7ceb8bc8d0e19f896d8cf0d6e2fb3bc769629c765ac255ea94e350c06db49c0d12f9ee6c2213a24aa

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