a265ea735427e1cd133c03bd3a83c9f591a391b717e2001fc9a94b4611c09092

General

Target

a265ea735427e1cd133c03bd3a83c9f591a391b717e2001fc9a94b4611c09092.pdf
Size

73KB
MD5

2899d4661db22095b8dbcfffea3dc08c
SHA1

5f63a3c853cd0aec5cad7ea1ee3bc885ecaac9b3
SHA256

a265ea735427e1cd133c03bd3a83c9f591a391b717e2001fc9a94b4611c09092
SHA512

c7e83a442b0dc82dffac5bdb0d7cc9d272c695e229f063abd4ccaaf0077d5093161f58ca161d35ec8475d2d8df3177fab3df649ef8d76e6a222c4d79cc1a815e

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-1-5-21-1042495040-510797905-2613508344-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe
4052	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

4052 AcroRd32.exe
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

AcroRd32.exe

pid process

4052 AcroRd32.exe
4052 AcroRd32.exe
4052 AcroRd32.exe
4052 AcroRd32.exe
4052 AcroRd32.exe
4052 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 4052 wrote to memory of 4424	4052	AcroRd32.exe	RdrCEF.exe
PID 4052 wrote to memory of 4424	4052	AcroRd32.exe	RdrCEF.exe
PID 4052 wrote to memory of 4424	4052	AcroRd32.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 2256	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 3168	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 3168	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 3168	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 3168	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 3168	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 3168	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 3168	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 3168	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 3168	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 3168	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 3168	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 3168	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 3168	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 3168	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 3168	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 3168	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 3168	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 3168	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 3168	4424	RdrCEF.exe	RdrCEF.exe
PID 4424 wrote to memory of 3168	4424	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\a265ea735427e1cd133c03bd3a83c9f591a391b717e2001fc9a94b4611c09092.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:4052

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:4424

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=B92612859141060DC93136A600BBB4E0 --mojo-platform-channel-handle=1628 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2256

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=A92F7DCEFECE0C95C005818947F60937 --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=A92F7DCEFECE0C95C005818947F60937 --renderer-client-id=2 --mojo-platform-channel-handle=1636 --allow-no-sandbox-job /prefetch:1
3⤵
PID:3168

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=253511A68A23957B25AA4E1182A7BE10 --mojo-platform-channel-handle=2088 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:592

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=21196FF73252E65DAF9B774FAA474797 --mojo-platform-channel-handle=2224 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1160

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=B51F15898BF69AA41CD617B128D42128 --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=B51F15898BF69AA41CD617B128D42128 --renderer-client-id=6 --mojo-platform-channel-handle=2320 --allow-no-sandbox-job /prefetch:1
3⤵
PID:1332

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=9BCE9CDC9639C985C352573BA751FAE6 --mojo-platform-channel-handle=2488 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2396

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

memory/592-129-0x0000000077D62000-0x0000000077D63000-memory.dmp

Filesize
4KB

Download
memory/592-130-0x0000000000F18000-0x0000000000F19000-memory.dmp

Filesize
4KB

Download
memory/592-131-0x0000000000000000-mapping.dmp

Download
memory/1160-134-0x0000000000F10000-0x0000000000F11000-memory.dmp

Filesize
4KB

Download
memory/1160-135-0x0000000000000000-mapping.dmp

Download
memory/1160-133-0x0000000077D62000-0x0000000077D63000-memory.dmp

Filesize
4KB

Download
memory/1332-139-0x0000000000000000-mapping.dmp

Download
memory/1332-138-0x0000000000F10000-0x0000000000F11000-memory.dmp

Filesize
4KB

Download
memory/2256-121-0x0000000000000000-mapping.dmp

Download
memory/2256-119-0x0000000077D62000-0x0000000077D63000-memory.dmp

Filesize
4KB

Download
memory/2256-120-0x0000000000F1E000-0x0000000000F1F000-memory.dmp

Filesize
4KB

Download
memory/2256-123-0x0000000000B50000-0x0000000000B51000-memory.dmp

Filesize
4KB

Download
memory/2396-144-0x0000000000F18000-0x0000000000F19000-memory.dmp

Filesize
4KB

Download
memory/2396-145-0x0000000000000000-mapping.dmp

Download
memory/3168-128-0x0000000000F30000-0x0000000000F31000-memory.dmp

Filesize
4KB

Download
memory/3168-127-0x0000000000B60000-0x0000000000B61000-memory.dmp

Filesize
4KB

Download
memory/3168-125-0x0000000000000000-mapping.dmp

Download
memory/3168-124-0x0000000000F1E000-0x0000000000F1F000-memory.dmp

Filesize
4KB

Download
memory/4424-118-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads