33b345ff12a23eb79820925c0a354cf6f5a9b1ab2e2c575fc8638643d5295380

Resubmissions

02/06/2023, 13:37

230602-qw1mcsca6t 6

02/06/2023, 12:53

230602-p4n3vsbd59 3

Analysis

max time kernel
1791s
max time network
1583s
platform
windows10-2004_x64
resource
win10v2004-20230221-es
resource tags

arch:x64arch:x86image:win10v2004-20230221-eslocale:es-esos:windows10-2004-x64systemwindows
submitted
02/06/2023, 12:53

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General

Target

COMUNICADO2007020-20202220-20REACTIVACIC393N20DEL20SERVICIO20GMAIL20.pdf
Size

234KB
MD5

73fe1b2a285f9a2dabd8b24f2621673e
SHA1

fa24a3dcb6c3f9d40ea1a6920de4bc5c0257309d
SHA256

33b345ff12a23eb79820925c0a354cf6f5a9b1ab2e2c575fc8638643d5295380
SHA512

973c9a157e89b8e677e75344cbd7c9c072f4f8fc95f44799659114c4328efea1785fc9ad1e376e6fb6a59e96531e94bfb377a95b38c7ec5fbed3b9c435b7e0e4
SSDEEP

6144:aRYzUILFj3qDusW/BgJOawK2zNxsT9G/v2C2JS:SYzhFj6D6CwZzN4MeC2JS

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-1-5-21-2805025096-2326403612-4231045514-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
2292	AcroRd32.exe
2292	AcroRd32.exe
2292	AcroRd32.exe
2292	AcroRd32.exe
2292	AcroRd32.exe
2292	AcroRd32.exe
2292	AcroRd32.exe
2292	AcroRd32.exe
2292	AcroRd32.exe
2292	AcroRd32.exe
2292	AcroRd32.exe
2292	AcroRd32.exe
2292	AcroRd32.exe
2292	AcroRd32.exe
2292	AcroRd32.exe
2292	AcroRd32.exe
2292	AcroRd32.exe
2292	AcroRd32.exe
2292	AcroRd32.exe
2292	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2292	AcroRd32.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
2292	AcroRd32.exe
2292	AcroRd32.exe
2292	AcroRd32.exe
2292	AcroRd32.exe
2292	AcroRd32.exe
2292	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2292 wrote to memory of 4420	2292	AcroRd32.exe	84
PID 2292 wrote to memory of 4420	2292	AcroRd32.exe	84
PID 2292 wrote to memory of 4420	2292	AcroRd32.exe	84
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 3288	4420	RdrCEF.exe	85
PID 4420 wrote to memory of 112	4420	RdrCEF.exe	86
PID 4420 wrote to memory of 112	4420	RdrCEF.exe	86
PID 4420 wrote to memory of 112	4420	RdrCEF.exe	86
PID 4420 wrote to memory of 112	4420	RdrCEF.exe	86
PID 4420 wrote to memory of 112	4420	RdrCEF.exe	86
PID 4420 wrote to memory of 112	4420	RdrCEF.exe	86
PID 4420 wrote to memory of 112	4420	RdrCEF.exe	86
PID 4420 wrote to memory of 112	4420	RdrCEF.exe	86
PID 4420 wrote to memory of 112	4420	RdrCEF.exe	86
PID 4420 wrote to memory of 112	4420	RdrCEF.exe	86
PID 4420 wrote to memory of 112	4420	RdrCEF.exe	86
PID 4420 wrote to memory of 112	4420	RdrCEF.exe	86
PID 4420 wrote to memory of 112	4420	RdrCEF.exe	86
PID 4420 wrote to memory of 112	4420	RdrCEF.exe	86
PID 4420 wrote to memory of 112	4420	RdrCEF.exe	86
PID 4420 wrote to memory of 112	4420	RdrCEF.exe	86
PID 4420 wrote to memory of 112	4420	RdrCEF.exe	86
PID 4420 wrote to memory of 112	4420	RdrCEF.exe	86
PID 4420 wrote to memory of 112	4420	RdrCEF.exe	86
PID 4420 wrote to memory of 112	4420	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\COMUNICADO2007020-20202220-20REACTIVACIC393N20DEL20SERVICIO20GMAIL20.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:2292
- 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:4420
- - 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=31E0776F0F04E6D743539C8C88559ABF --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:3288
- - 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=FD415EF3054C8E933C26892B7D4856B9 --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=FD415EF3054C8E933C26892B7D4856B9 --renderer-client-id=2 --mojo-platform-channel-handle=1768 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:112
- - 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=0E713C460D0770B6B39759CB8A584C79 --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=0E713C460D0770B6B39759CB8A584C79 --renderer-client-id=4 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:852
- - 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=A493074C804C9FA394F5992B90245059 --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4924
- - 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=4BF24323F252641F2E648144D2FA7B4B --mojo-platform-channel-handle=2764 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1064
- - 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=989E363400382E861F982AB3817EE0B3 --mojo-platform-channel-handle=2648 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2636

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2928

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

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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
ab1feb276cb2a6b9cc49710af46f3ce8

SHA1
49276cfc438780ab8ffc5b7c015466572e35eca0

SHA256
00b5593a0741cf1760d68c5bc731339e61890789f5465a9c0fec18358f016327

SHA512
96d209ccafa0c972a22fdefc9cabc74eab1e3e58274cb0aca1b1e277a4af365f87bdfcc749e2b9825f0b5fc9575cc295521bafedb00f9e35b77d3acd909f1edd

Download Submit
memory/2292-158-0x000000000A9C0000-0x000000000A9E1000-memory.dmp

Filesize
132KB

Download