bb0014897e7563fbe6f90314c869aed8fb1e159b71d517dcd79cd56cf13b02c1

Analysis

max time kernel
136s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/09/2024, 09:50

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General

Target

7b43c82072d13f86ec2cbf8a4bc8f677ae8c885ccd5606ddeb9fb500e094549f.pdf
Size

60KB
MD5

0d5bfbb43af7e8977d56fd932eb68455
SHA1

195952fd6b7bdada11268a37c74af8e889aedf86
SHA256

7b43c82072d13f86ec2cbf8a4bc8f677ae8c885ccd5606ddeb9fb500e094549f
SHA512

1cfb79156fb6e12ff20ea20e48b731f2b3416404ffce8fcc1827ffc4882d54a5086814cdbdcf92d4141de486f03e95deb64cce2f2291c0ae0533b136eaad0407
SSDEEP

1536:KhmJOsAHoYcxXANLk7p/VbXVm5u7ZdhlNqBuJB:AOOAFBANLk9VXVOu7ZHlNqBuJB

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	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

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-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4052 wrote to memory of 3188	4052	AcroRd32.exe	94
PID 4052 wrote to memory of 3188	4052	AcroRd32.exe	94
PID 4052 wrote to memory of 3188	4052	AcroRd32.exe	94
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 3820	3188	RdrCEF.exe	95
PID 3188 wrote to memory of 1052	3188	RdrCEF.exe	96
PID 3188 wrote to memory of 1052	3188	RdrCEF.exe	96
PID 3188 wrote to memory of 1052	3188	RdrCEF.exe	96
PID 3188 wrote to memory of 1052	3188	RdrCEF.exe	96
PID 3188 wrote to memory of 1052	3188	RdrCEF.exe	96
PID 3188 wrote to memory of 1052	3188	RdrCEF.exe	96
PID 3188 wrote to memory of 1052	3188	RdrCEF.exe	96
PID 3188 wrote to memory of 1052	3188	RdrCEF.exe	96
PID 3188 wrote to memory of 1052	3188	RdrCEF.exe	96
PID 3188 wrote to memory of 1052	3188	RdrCEF.exe	96
PID 3188 wrote to memory of 1052	3188	RdrCEF.exe	96
PID 3188 wrote to memory of 1052	3188	RdrCEF.exe	96
PID 3188 wrote to memory of 1052	3188	RdrCEF.exe	96
PID 3188 wrote to memory of 1052	3188	RdrCEF.exe	96
PID 3188 wrote to memory of 1052	3188	RdrCEF.exe	96
PID 3188 wrote to memory of 1052	3188	RdrCEF.exe	96
PID 3188 wrote to memory of 1052	3188	RdrCEF.exe	96
PID 3188 wrote to memory of 1052	3188	RdrCEF.exe	96
PID 3188 wrote to memory of 1052	3188	RdrCEF.exe	96
PID 3188 wrote to memory of 1052	3188	RdrCEF.exe	96

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\7b43c82072d13f86ec2cbf8a4bc8f677ae8c885ccd5606ddeb9fb500e094549f.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:4052
- 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:3188
- - 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=FD06735E7B9EF82D8DF353BE00E4F6B7 --mojo-platform-channel-handle=1716 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3820
- - 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=BBB67AA49D28FD10500D6DA2ACBA5B2B --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=BBB67AA49D28FD10500D6DA2ACBA5B2B --renderer-client-id=2 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job /prefetch:1
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1052
- - 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=B75E35854AF67B2332984BBB718EF7FD --mojo-platform-channel-handle=2288 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2920
- - 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=23B3D393AEB8083BF5F2D4818DFA067B --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2412
- - 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=597B7DC62E6624976286C24D4B838A7C --mojo-platform-channel-handle=2520 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3844

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
88df38729ea19a0c89afd1468a13d303

SHA1
8e1611a5380a5822c48c3dda52895cc476b4fe6d

SHA256
6b521838380d05e1e5882d6cfe4cd15b756aa06ec10d4a480e26dffa0fc19f04

SHA512
e2ffea10e2043b1cf9723cb42fd2253b0b9f4cadad5741ea0f9d961a178545bd4f384ab6c1bdcf824225c98a4ae49ab3f58ca15b9457d9a8d86bc061f30d939c

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