f55354c2beef40157f369c06760519a75c5c4e831838e5564c981de5de60c5e6

General

Target

ANEXO-Recibo.pdf
Size

10KB
MD5

39555d3cef46b99cb794f92737825d90
SHA1

64a9161a0b3c9283ba93efdfbabf888054cdc5e0
SHA256

18e0f6ab78162851876e9f719e54adf237cb5f9ec12c93ac9c2ac59292dbcfc9
SHA512

f30ee43a7f9a94f60430602c0f4d07b9c6e80a13dacea455e802d412f1482c2c598929501c0a4d9c18325352c05e9a46ad72134bb6318a86a1fb97af311a2b49

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

Processes:

AcroRd32.exe

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

Processes:

AcroRd32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

Processes:

AcroRd32.exe

pid	process
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe
2644	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

2644 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

2644 AcroRd32.exe
2644 AcroRd32.exe
2644 AcroRd32.exe
2644 AcroRd32.exe
2644 AcroRd32.exe
2644 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 2644 wrote to memory of 2748	2644	AcroRd32.exe	RdrCEF.exe
PID 2644 wrote to memory of 2748	2644	AcroRd32.exe	RdrCEF.exe
PID 2644 wrote to memory of 2748	2644	AcroRd32.exe	RdrCEF.exe
PID 2644 wrote to memory of 4000	2644	AcroRd32.exe	RdrCEF.exe
PID 2644 wrote to memory of 4000	2644	AcroRd32.exe	RdrCEF.exe
PID 2644 wrote to memory of 4000	2644	AcroRd32.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 356	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 2784	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 2784	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 2784	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 2784	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 2784	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 2784	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 2784	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 2784	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 2784	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 2784	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 2784	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 2784	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 2784	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 2784	2748	RdrCEF.exe	RdrCEF.exe
PID 2748 wrote to memory of 2784	2748	RdrCEF.exe	RdrCEF.exe

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\ANEXO-Recibo.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:2644

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:2748

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=F821CFCAC484EC4E430D42254B789292 --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=1 --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=F821CFCAC484EC4E430D42254B789292 --renderer-client-id=2 --mojo-platform-channel-handle=1636 --allow-no-sandbox-job /prefetch:1
3⤵
PID:356

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=5511D0C7A1C52F26D31D2FCF48D9D0EC --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2784

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=236D99980A03B05C08536CA019DA4CE1 --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=1 --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=236D99980A03B05C08536CA019DA4CE1 --renderer-client-id=4 --mojo-platform-channel-handle=2232 --allow-no-sandbox-job /prefetch:1
3⤵
PID:828

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=ED0FDDF35ED6DE63C1D9949BB9A9601A --mojo-platform-channel-handle=2356 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:348

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=5DAC9289F85FF8839C2412624AC2039D --mojo-platform-channel-handle=2576 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3636

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=C9A915F616874865399AFCC095D7932A --mojo-platform-channel-handle=2584 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3980

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⤵
PID:4000

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/348-131-0x0000000077612000-0x0000000077613000-memory.dmp

Filesize
4KB

Download
memory/356-118-0x0000000077612000-0x0000000077613000-memory.dmp

Filesize
4KB

Download
memory/828-126-0x0000000077612000-0x0000000077613000-memory.dmp

Filesize
4KB

Download
memory/2784-120-0x0000000077612000-0x0000000077613000-memory.dmp

Filesize
4KB

Download
memory/3636-134-0x0000000077612000-0x0000000077613000-memory.dmp

Filesize
4KB

Download
memory/3980-137-0x0000000077612000-0x0000000077613000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads