43471a6295e55ba0b7031dd8a25382b33b9f5120f120013df5c12d6c525a1919

Analysis

max time kernel
94s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240704-es
resource tags

arch:x64arch:x86image:win10v2004-20240704-eslocale:es-esos:windows10-2004-x64systemwindows
submitted
05/07/2024, 10:59

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General

Target
TBAI-DFA_2024 facturas-93-20240627.pdf
Size 431KB
Sample240705-m3mgjazbpd
SHA256 206091242197870c1969a1831b2602da2d2645f23b55fd0eeae235af8c9283a8
MD5 186ee2a0169da1f1b8b9f71b078fa625
SHA1 7d562c6f7ec57bd183edb27781af5702968187e8
SHA512 4bfc8dcce94a6f89b031a0725a4e95c8db3cc154b1a033455f33922782a59e29eee40a5368a4999e6eb884db8141c1d49be0456dd165e9f4d3c0df896c3f9637
SSDEEP 12288:1VgEjBDrA4XZ/OxxJs61vADRGUbkvf6TAWR:Ld84Jv61cnQyR
MD5 SHA1 SHA512 SSDEEP

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 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-1-5-21-2494989678-839960665-2515455429-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1676	AcroRd32.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe
1676	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1676 wrote to memory of 1916	1676	AcroRd32.exe	84
PID 1676 wrote to memory of 1916	1676	AcroRd32.exe	84
PID 1676 wrote to memory of 1916	1676	AcroRd32.exe	84
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 1976	1916	RdrCEF.exe	85
PID 1916 wrote to memory of 3532	1916	RdrCEF.exe	86
PID 1916 wrote to memory of 3532	1916	RdrCEF.exe	86
PID 1916 wrote to memory of 3532	1916	RdrCEF.exe	86
PID 1916 wrote to memory of 3532	1916	RdrCEF.exe	86
PID 1916 wrote to memory of 3532	1916	RdrCEF.exe	86
PID 1916 wrote to memory of 3532	1916	RdrCEF.exe	86
PID 1916 wrote to memory of 3532	1916	RdrCEF.exe	86
PID 1916 wrote to memory of 3532	1916	RdrCEF.exe	86
PID 1916 wrote to memory of 3532	1916	RdrCEF.exe	86
PID 1916 wrote to memory of 3532	1916	RdrCEF.exe	86
PID 1916 wrote to memory of 3532	1916	RdrCEF.exe	86
PID 1916 wrote to memory of 3532	1916	RdrCEF.exe	86
PID 1916 wrote to memory of 3532	1916	RdrCEF.exe	86
PID 1916 wrote to memory of 3532	1916	RdrCEF.exe	86
PID 1916 wrote to memory of 3532	1916	RdrCEF.exe	86
PID 1916 wrote to memory of 3532	1916	RdrCEF.exe	86
PID 1916 wrote to memory of 3532	1916	RdrCEF.exe	86
PID 1916 wrote to memory of 3532	1916	RdrCEF.exe	86
PID 1916 wrote to memory of 3532	1916	RdrCEF.exe	86
PID 1916 wrote to memory of 3532	1916	RdrCEF.exe	86

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\TBAI-DFA_2024 facturas-93-20240627.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:1676
- 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:1916
- - 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=80AEDCF609852C1F52895B1B19B9D8CC --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1976
- - 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=6B22579EBF81B2321D874F3B717D7134 --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=6B22579EBF81B2321D874F3B717D7134 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3532
- - 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=9259A8D8162B60F2F38DEA60470B2C2B --mojo-platform-channel-handle=2316 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4892
- - 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=03E56D8971A57D4993391D70BC8A6265 --mojo-platform-channel-handle=1872 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3396
- - 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=A384BA3EF99267C3E5173AA08D87DD65 --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=A384BA3EF99267C3E5173AA08D87DD65 --renderer-client-id=6 --mojo-platform-channel-handle=1816 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:3460
- - 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=C35B7E36713085479B7400F16B748613 --mojo-platform-channel-handle=2692 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5068

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3376

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

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Downloads

ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 64KB
SHA256 81333e7a8eaa4dd4ed9a070facd8c4b7de4cbe6ed459cac24303881041f7ab70
MD5 3f3fa33aca9268064e7ce2af09296237
SHA1 3f7a0570166207d300e5769fdf6791567778dbb0
SHA512 fb3fa17232487a06499fdfc311af27850242f7e9ca6d5a71890903a7c8f791c33d900da0d9f04fd333954078d9cf966eb90fc93a807eb95e4c9148231cbff370
SSDEEP 384:yeWdThatELJ8SWvDTGJCesZsLglKhubvGZsLRZh+vS4:t+elZsLQCZsL3hUS4
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 36KB
SHA256 b1b77e96279ead2b460de3de70e2ea4f5ad1b853598a4e27a5caf3f1a32cc4f3
MD5 b30d3becc8731792523d599d949e63f5
SHA1 19350257e42d7aee17fb3bf139a9d3adb330fad4
SHA512 523f54895fb07f62b9a5f72c8b62e83d4d9506bda57b183818615f6eb7286e3b9c5a50409bc5c5164867c3ccdeae88aa395ecca6bc7e36d991552f857510792e
SSDEEP 24:TLiXlzkrFsgIFsxX3pALXmnHpkDGjmcxBSkomXk+2m9RFTsyg+wmf9Mzm+Zs3tGl:TqlmFTIF3XmHjBoGGR+jMz+LhT
MD5 SHA1 SHA512 SSDEEP

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ReaderMessages

Path C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Size 56KB
SHA256 111dac2948e4cecb10b0d2e10d8afaa663d78d643826b592d6414a1fd77cc131
MD5 752a1f26b18748311b691c7d8fc20633
SHA1 c1f8e83eebc1cc1e9b88c773338eb09ff82ab862
SHA512 a2f5f262faf2c3e9756da94b2c47787ce3a9391b5bd53581578aa9a764449e114836704d6dec4aadc097fed4c818831baa11affa1eb25be2bfad9349bb090fe5
SSDEEP 192:wedRBvVrThe4p4/KhTB4p4CitZtkZsLRGVDbw6H3ph+v3YQa9:weZdThkKhBvkZsLRGlzh+vS9
MD5 SHA1 SHA512 SSDEEP

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