31b50bf84e4920eba936c321dd56086506b1ad115bbf50862690ffb9fe0c5e21

Resubmissions

28/03/2025, 16:53

250328-vdy32aywfw 3

28/03/2025, 16:30

250328-tz1cjszqv3 7

28/03/2025, 16:27

250328-tyb9bsythv 4

28/03/2025, 16:19

250328-tszsfazpw8 5

Analysis

max time kernel
140s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
28/03/2025, 16:19

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

GNBQY-997049.pdf
Size

9KB
MD5

036a6b0818e38574dc32f192be0756db
SHA1

3e9a6c7056cd4a1d3c2a2e897b0880f012b85e29
SHA256

31b50bf84e4920eba936c321dd56086506b1ad115bbf50862690ffb9fe0c5e21
SHA512

7461f3e20417a72afcb66b3574e48bcabfe9acc0fc8f79e7233788168dc65da2b617f19593ced669091656c8793aa6ffa7c9ba8c0d587be1cb03de50c53bdf29
SSDEEP

192:826ESYK7DzfYzETR8wlk2w1ic84kOHHrDYDIlYDIvJoYDIYr:826ESY6DzAYTmwe2w1n8DqYDIlYDIvJr

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	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

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-1-5-21-805952410-2104024357-1716932545-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe
1312	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1312 wrote to memory of 1116	1312	AcroRd32.exe	91
PID 1312 wrote to memory of 1116	1312	AcroRd32.exe	91
PID 1312 wrote to memory of 1116	1312	AcroRd32.exe	91
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4156	1116	RdrCEF.exe	94
PID 1116 wrote to memory of 4180	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4180	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4180	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4180	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4180	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4180	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4180	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4180	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4180	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4180	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4180	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4180	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4180	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4180	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4180	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4180	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4180	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4180	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4180	1116	RdrCEF.exe	95
PID 1116 wrote to memory of 4180	1116	RdrCEF.exe	95

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\GNBQY-997049.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:1312
- 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:1116
- - 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=3A6DACD674CA20400074362AB7DC2B20 --mojo-platform-channel-handle=1724 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4156
- - 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=3493000934951B8BCCF707B130470E7D --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=3493000934951B8BCCF707B130470E7D --renderer-client-id=2 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job /prefetch:1
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4180
- - 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=E3A76E163CDE6C745D289EAE644B4C5B --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:876
- - 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=CD4649DAF6F64512714A1F531E3FAA8E --mojo-platform-channel-handle=1792 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4024
- - 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=1D8FEB28C390D93B91E00190894C9A9B --mojo-platform-channel-handle=2512 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3976

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4308

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
e3a71fcc6390fd9ab9e5d2812d7ab655

SHA1
c957147d0b8f429760cb146cc7b0b2fb46339017

SHA256
587b1c152028213f84241f21179cf24705c47e7b3d77934900ae9eac90e71c92

SHA512
313b9ca0a2b566bb73f05b72c3d2725a58c1d54926bcdd9b8f3cc56e19870918498d12474568dce81dc7c25cbd986ada389385d9eed2a9370777e710b931754b

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