0837a53e08c8a9a2944bbfc2c56def0583dbb94010f766fff7c27ab3ec763a5f

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 05:34

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General

Target

STANCHART_1010000006291002_INR_01161072M0VI0_MNY_1_17092024_10004j.pdf
Size

328KB
MD5

373b777ee4b228e30294472c4b93e18b
SHA1

6eec2b4d357bcff346848f4d63f570e864af3fad
SHA256

0837a53e08c8a9a2944bbfc2c56def0583dbb94010f766fff7c27ab3ec763a5f
SHA512

6df47c3c29535effa3f524d6e6a9c7b6301508930d744a8607e1bf0dfc96862c299e9743eff4225b8a3a04106dcf28f40209f185f25875a037e7a553296dbb60
SSDEEP

6144:u5Yo4W+Sgmit/pvyrOCmp9xuyZhiDbDMgnf7vDwE7abg3gBXpQMTJOLchPXq+s:u55EbXHPiDbDhwIkXpQIOLchS+s

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	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

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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe
1516	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 3760	1516	AcroRd32.exe	84
PID 1516 wrote to memory of 3760	1516	AcroRd32.exe	84
PID 1516 wrote to memory of 3760	1516	AcroRd32.exe	84
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1452	3760	RdrCEF.exe	86
PID 3760 wrote to memory of 1384	3760	RdrCEF.exe	87
PID 3760 wrote to memory of 1384	3760	RdrCEF.exe	87
PID 3760 wrote to memory of 1384	3760	RdrCEF.exe	87
PID 3760 wrote to memory of 1384	3760	RdrCEF.exe	87
PID 3760 wrote to memory of 1384	3760	RdrCEF.exe	87
PID 3760 wrote to memory of 1384	3760	RdrCEF.exe	87
PID 3760 wrote to memory of 1384	3760	RdrCEF.exe	87
PID 3760 wrote to memory of 1384	3760	RdrCEF.exe	87
PID 3760 wrote to memory of 1384	3760	RdrCEF.exe	87
PID 3760 wrote to memory of 1384	3760	RdrCEF.exe	87
PID 3760 wrote to memory of 1384	3760	RdrCEF.exe	87
PID 3760 wrote to memory of 1384	3760	RdrCEF.exe	87
PID 3760 wrote to memory of 1384	3760	RdrCEF.exe	87
PID 3760 wrote to memory of 1384	3760	RdrCEF.exe	87
PID 3760 wrote to memory of 1384	3760	RdrCEF.exe	87
PID 3760 wrote to memory of 1384	3760	RdrCEF.exe	87
PID 3760 wrote to memory of 1384	3760	RdrCEF.exe	87
PID 3760 wrote to memory of 1384	3760	RdrCEF.exe	87
PID 3760 wrote to memory of 1384	3760	RdrCEF.exe	87
PID 3760 wrote to memory of 1384	3760	RdrCEF.exe	87

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\STANCHART_1010000006291002_INR_01161072M0VI0_MNY_1_17092024_10004j.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:1516
- 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: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=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=5D5EF76E2737FFA0CA01046C7C433EB1 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1452
- - 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=275CF9A701359E4C5600C3912BCD9A74 --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=275CF9A701359E4C5600C3912BCD9A74 --renderer-client-id=2 --mojo-platform-channel-handle=1748 --allow-no-sandbox-job /prefetch:1
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1384
- - 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=6B6FC9E00AAA4D9F580078798C3BBEF4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1660
- - 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=8593FEC6A4DD2614C28798A965FB4CD1 --mojo-platform-channel-handle=2440 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3732
- - 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=293143742B470433260AA5CF95C22341 --mojo-platform-channel-handle=972 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4012

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2496

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
66cbb648d6524434870ffc10bf05d629

SHA1
29ac480e87d947cdc7686a450006d885d93d8877

SHA256
6e1f49fb70b8341b0c2b5b3241dc9e0652aace1c210fedacf5413b63e1f72491

SHA512
adea1130ec01df64104acdae103d1cd96331425d95e228fdd960dcb49c7a4213be3807b406cb4c6aa7a6e98e39c70dda5fb3d696906c2bab4cd4fef21e265608

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