9bec8bcd3e3f51cdcacaa92908f48f61a9170d1a3d5173c3381ebbdc15135bbb

Resubmissions

04/11/2023, 08:52

231104-ksp4kagd27 3

Analysis

max time kernel
158s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
04/11/2023, 08:52

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General

Target

OFI23-00202762 GFPU2023.10.05 OFC. CAJIBIO IE LAGUNA DINDE.pdf
Size

942KB
MD5

3b42bbb02c406768bc1f9188d73bb6e6
SHA1

662dc6c078f4d4a3bb2c6bb26b4dffe7308bfa61
SHA256

07b9e218ba0b7804e76b0744f6f8d9574d0c563a8b6579376523f226875caa6e
SHA512

84a9f3452208006a76b0efd1d86f7a839c3d7bd83aaea55f116f00299b17dd7ec39d25bb36c036673b90bd887d534fcc8d5f16ac8aeab9ccad489768bcdf5e13
SSDEEP

12288:K3nPrFuMAQxzpcqK+DlNYd2zOArg460sLc2ThBEpxq0mYLv+IgZaQ7lZppMcTpDD:K3xcqK+cd2qTOWhBBO5QdpI0

Score

1^/10

Malware Config

Signatures

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-1-5-21-3811856890-180006922-3689258494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4604	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe
4604	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4604 wrote to memory of 4884	4604	AcroRd32.exe	94
PID 4604 wrote to memory of 4884	4604	AcroRd32.exe	94
PID 4604 wrote to memory of 4884	4604	AcroRd32.exe	94
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 4920	4884	RdrCEF.exe	97
PID 4884 wrote to memory of 2840	4884	RdrCEF.exe	98
PID 4884 wrote to memory of 2840	4884	RdrCEF.exe	98
PID 4884 wrote to memory of 2840	4884	RdrCEF.exe	98
PID 4884 wrote to memory of 2840	4884	RdrCEF.exe	98
PID 4884 wrote to memory of 2840	4884	RdrCEF.exe	98
PID 4884 wrote to memory of 2840	4884	RdrCEF.exe	98
PID 4884 wrote to memory of 2840	4884	RdrCEF.exe	98
PID 4884 wrote to memory of 2840	4884	RdrCEF.exe	98
PID 4884 wrote to memory of 2840	4884	RdrCEF.exe	98
PID 4884 wrote to memory of 2840	4884	RdrCEF.exe	98
PID 4884 wrote to memory of 2840	4884	RdrCEF.exe	98
PID 4884 wrote to memory of 2840	4884	RdrCEF.exe	98
PID 4884 wrote to memory of 2840	4884	RdrCEF.exe	98
PID 4884 wrote to memory of 2840	4884	RdrCEF.exe	98
PID 4884 wrote to memory of 2840	4884	RdrCEF.exe	98
PID 4884 wrote to memory of 2840	4884	RdrCEF.exe	98
PID 4884 wrote to memory of 2840	4884	RdrCEF.exe	98
PID 4884 wrote to memory of 2840	4884	RdrCEF.exe	98
PID 4884 wrote to memory of 2840	4884	RdrCEF.exe	98
PID 4884 wrote to memory of 2840	4884	RdrCEF.exe	98

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\OFI23-00202762 GFPU2023.10.05 OFC. CAJIBIO IE LAGUNA DINDE.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4604
- 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⤵
  - Suspicious use of WriteProcessMemory
  PID:4884
- - 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=1436BF0C85E9FC5C61BD7336323A6696 --mojo-platform-channel-handle=1736 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4920
- - 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=B5E0783B151B857B3E333BB425C5BDEA --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=B5E0783B151B857B3E333BB425C5BDEA --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2840
- - 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=8B82F5D66C75E2DE1561FFD16E8C055B --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=8B82F5D66C75E2DE1561FFD16E8C055B --renderer-client-id=4 --mojo-platform-channel-handle=2324 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3024
- - 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=BC9CCF4B3A6D97E7D6F5F0747E6E3283 --mojo-platform-channel-handle=2452 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4772
- - 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=90A458CC339CAE25DCC3F8C675266C40 --mojo-platform-channel-handle=1864 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4116
- - 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=798ECF940918A3F27636CD682199DF53 --mojo-platform-channel-handle=1956 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2816

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2924

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

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
b932184f816c097783fc603c85ccf4d0

SHA1
c3e3afa2b515a1104b4cbbede33373205eac1dcb

SHA256
772a57cbc76aa6e6206c878b3bca8d9fe77d5d7ac4239506e2b6a1098b181ad2

SHA512
37444716bc95b46c79cd83d2593f970139af34b6b081eca76f569018cb6724ee3532c92db2293846f84a374c3906cece3415acf310c8c1dac9d480ae15829bb2

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
memory/4604-35-0x000000000A180000-0x000000000A1A1000-memory.dmp

Filesize
132KB

Download
memory/4604-130-0x000000000F9C0000-0x000000000FC6B000-memory.dmp

Filesize
2.7MB

Download