59e72551a4b46cc31a5b5ae55ca37d2a3a9393c787775c435b0c3e3dc4ba9081

General

Target

attachment20220806-32019-mwr117.pdf
Size

155KB
MD5

e4f7a4881be76fe1719d6f25caa15dc9
SHA1

76eefb0551db23bfcf2e4cfc63b379ebc7166de0
SHA256

59e72551a4b46cc31a5b5ae55ca37d2a3a9393c787775c435b0c3e3dc4ba9081
SHA512

adde627ab01007f97d98e5eea4e7b31b770b713d3e5a92d5b6bebc678e2968614db8cab3e7b6d51b9f79aac129cbdaa51f040854159fe54959ecf7d60a5b3abd

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 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

Processes:

AcroRd32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2660308776-3705150086-26593515-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

AcroRd32.exe

pid	process
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe
4156	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

4156 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

4156 AcroRd32.exe
4156 AcroRd32.exe
4156 AcroRd32.exe
4156 AcroRd32.exe
4156 AcroRd32.exe
4156 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 4156 wrote to memory of 4720	4156	AcroRd32.exe	RdrCEF.exe
PID 4156 wrote to memory of 4720	4156	AcroRd32.exe	RdrCEF.exe
PID 4156 wrote to memory of 4720	4156	AcroRd32.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 1788	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 2016	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 2016	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 2016	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 2016	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 2016	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 2016	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 2016	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 2016	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 2016	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 2016	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 2016	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 2016	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 2016	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 2016	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 2016	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 2016	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 2016	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 2016	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 2016	4720	RdrCEF.exe	RdrCEF.exe
PID 4720 wrote to memory of 2016	4720	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\attachment20220806-32019-mwr117.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:4156
- 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:4720
- - 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=739DBAC65AE818DC3818B54A1C1062F4 --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:1788
- - 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=F1572352A69425B6BFAF879BC61D5CC5 --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=F1572352A69425B6BFAF879BC61D5CC5 --renderer-client-id=2 --mojo-platform-channel-handle=1744 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:2016
- - 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=B8AE943F144145939DF84C5F487EA396 --mojo-platform-channel-handle=1884 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:4220
- - 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=896DBA0558C02DF324CAA861FB97E169 --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=896DBA0558C02DF324CAA861FB97E169 --renderer-client-id=5 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job /prefetch:1
    3⤵
    PID:508
- - 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=5F3262C16C2EF817763091530EF9DAE5 --mojo-platform-channel-handle=2668 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2040
- - 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=E9D487055028667C96A9D7DDACE4E2FC --mojo-platform-channel-handle=1976 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
    3⤵
    PID:2548

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2096

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/508-143-0x0000000000000000-mapping.dmp

Download
memory/1788-132-0x0000000000000000-mapping.dmp

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memory/2016-135-0x0000000000000000-mapping.dmp

Download
memory/2040-148-0x0000000000000000-mapping.dmp

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memory/2548-151-0x0000000000000000-mapping.dmp

Download
memory/4220-140-0x0000000000000000-mapping.dmp

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memory/4720-130-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads