d033c2edc69d9b0300382727b5cd395531fbdc12676527cb24c6cd15896f093c

Resubmissions

17/03/2023, 20:11

230317-yygk9sbg8t 1

Analysis

max time kernel
150s
max time network
219s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
17/03/2023, 20:11

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General

Target

BuroDeCredito/BuroDeCredito/-0tViF0jr_5kZ1Nrow3D6DNS-.pdf
Size

45KB
MD5

ef81c0c99042d96fce43cf8cda7d4f16
SHA1

a50beeb86488253224cc1d1267cdd005bddf19dc
SHA256

7ebbfd0376b281e48154d883b51babee157040e623efae2367cf34120bae002c
SHA512

280ffbda57779201aa353413b8d00841720ca742bf3ae1bf185f3e028b703eba2ee488f9796b57b6185f9cc87bdf33ae590c24d3a91967aa1c7b7137db26962e
SSDEEP

768:NVh1LbuXXRElDkVh11WyvRNoDVh1OjCGOkB9T7IVh1NVh1+lBUaaAVh1p/P:Lh1Lb0ElSh11WyvoZh1YOWVCh1Lh1+7t

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-1-5-21-144354903-2550862337-1367551827-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2900	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe
2900	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 4680	2900	AcroRd32.exe	91
PID 2900 wrote to memory of 4680	2900	AcroRd32.exe	91
PID 2900 wrote to memory of 4680	2900	AcroRd32.exe	91
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 4628	4680	RdrCEF.exe	92
PID 4680 wrote to memory of 1644	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 1644	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 1644	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 1644	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 1644	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 1644	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 1644	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 1644	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 1644	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 1644	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 1644	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 1644	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 1644	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 1644	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 1644	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 1644	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 1644	4680	RdrCEF.exe	93
PID 4680 wrote to memory of 1644	4680	RdrCEF.exe	93

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\BuroDeCredito\BuroDeCredito\-0tViF0jr_5kZ1Nrow3D6DNS-.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:2900
- 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:4680
- - 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=CFA640E3064358FFD18AFBD04F2CF9B5 --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=2 --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=CFA640E3064358FFD18AFBD04F2CF9B5 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:4628
- - 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=29101EE779F40DDC397D94C17A3B74E6 --mojo-platform-channel-handle=1796 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1644
- - 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=7B8EC3115083DE8E126D39ADFBC60761 --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=2 --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=7B8EC3115083DE8E126D39ADFBC60761 --renderer-client-id=4 --mojo-platform-channel-handle=2312 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:1208
- - 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=C4EA4C9396B60F6644ECAF8BC5C55ADD --mojo-platform-channel-handle=1988 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3144
- - 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=F4B955D9160E356C5B6FF443C82F8745 --mojo-platform-channel-handle=2844 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:5076
- - 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=49009487180878A9B284FA6B5F520F28 --mojo-platform-channel-handle=2096 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4292

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1044

Network

MITRE ATT&CK Enterprise v6

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

Filesize
64KB

MD5
8aeb54c955f2053ab1cf1c5e4f1ccf47

SHA1
2d38eb25e4508180d45d094b635c9be2d29bad4f

SHA256
1ccb3e0680623b3faab50fda4c5f2b97d825677d62c64b7af1636bdd319c3b9a

SHA512
122203d978bb329101bc9ce83c9be579b66f0d16b3fde8300ee576e08776b7d21a1580a9b4908b21eea48583c0257982a0fafaab3b698391f0d5bea3e9509b55

Download Submit