b4bfba362d1d68de5176add660027807c782d16aaa5ba899a53d900296041fd5

Analysis

max time kernel
93s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-09-2024 00:36

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General

Target

W2.pdf
Size

36.1MB
MD5

2711a1512a4b86f0745885506d603397
SHA1

31d665fe7bca6509824ed12904af18494490e27a
SHA256

418f7a063559b628c394b4d3d47148e1226697c55fe5d478706ef96d122a9961
SHA512

ea465376e333c0c4a481d9937256bc70051bdba5786a09798fec169cb281b01e566f04ab1fd2438462ca10e3dd5ee71c7b4fd8789661c31ed877ebc4dc4d9361
SSDEEP

786432:94rbnl4Qbn+40bny4Rbn04ubng4dbnB4sbnn4rbnh4nbnH4a:94/l4G+4ay4d048g4pB4Cn4/h4bH4a

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

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

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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe
4508	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4508 wrote to memory of 1020	4508	AcroRd32.exe	81
PID 4508 wrote to memory of 1020	4508	AcroRd32.exe	81
PID 4508 wrote to memory of 1020	4508	AcroRd32.exe	81
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 1340	1020	RdrCEF.exe	82
PID 1020 wrote to memory of 3804	1020	RdrCEF.exe	83
PID 1020 wrote to memory of 3804	1020	RdrCEF.exe	83
PID 1020 wrote to memory of 3804	1020	RdrCEF.exe	83
PID 1020 wrote to memory of 3804	1020	RdrCEF.exe	83
PID 1020 wrote to memory of 3804	1020	RdrCEF.exe	83
PID 1020 wrote to memory of 3804	1020	RdrCEF.exe	83
PID 1020 wrote to memory of 3804	1020	RdrCEF.exe	83
PID 1020 wrote to memory of 3804	1020	RdrCEF.exe	83
PID 1020 wrote to memory of 3804	1020	RdrCEF.exe	83
PID 1020 wrote to memory of 3804	1020	RdrCEF.exe	83
PID 1020 wrote to memory of 3804	1020	RdrCEF.exe	83
PID 1020 wrote to memory of 3804	1020	RdrCEF.exe	83
PID 1020 wrote to memory of 3804	1020	RdrCEF.exe	83
PID 1020 wrote to memory of 3804	1020	RdrCEF.exe	83
PID 1020 wrote to memory of 3804	1020	RdrCEF.exe	83
PID 1020 wrote to memory of 3804	1020	RdrCEF.exe	83
PID 1020 wrote to memory of 3804	1020	RdrCEF.exe	83
PID 1020 wrote to memory of 3804	1020	RdrCEF.exe	83
PID 1020 wrote to memory of 3804	1020	RdrCEF.exe	83
PID 1020 wrote to memory of 3804	1020	RdrCEF.exe	83

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\W2.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: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" --backgroundcolor=16514043
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1020
- - 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=70903C7D023C98354D0C6184BAA96EE7 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1340
- - 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=AEC582D68BDD4AEFD8917F0A2C404508 --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=AEC582D68BDD4AEFD8917F0A2C404508 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3804
- - 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=43E2E1BCA46C2C1382791744B2785D6F --mojo-platform-channel-handle=2284 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1544
- - 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=8631D52B3BA6C950F57FCDA2AEFABCE8 --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:856
- - 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=1EF803A00CA258B36E0C85540A567FFA --mojo-platform-channel-handle=1712 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4460

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
20c21202a4942e064a22b8440cebe13b

SHA1
4a2787c336ef17a32faab75c6bb51e5d7cf3291b

SHA256
d5a0b697f5ae403c9dec9dee9f5040aee369f1d71d9afdafc8cd4f0b2743a100

SHA512
808cf74a71dc2b03f9d403b3a7ba8ac7e9da77d5a09ef478d7fb09085d02190633716d2d74b45b283c1a73985e3d9a2be0f87e196f6486d105e2998aaf348eb9

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