f844c9fab690a446dbc04b1db846e45d3eef351cfd4859d296f345011a31255d

General

Target

DTO 240522.pdf
Size

346KB
MD5

a2facbb2948c61b45703cd8b1c77f005
SHA1

89790c620b9edafcf23e135564b5e480f7d2c5e8
SHA256

f844c9fab690a446dbc04b1db846e45d3eef351cfd4859d296f345011a31255d
SHA512

bf4d17df166d3dbf214f0d2dab4db094bdd0779c9b27f08dc981f434ea05f8774ee9f9c6110d22c9f70c7e4f9daa749d9f1515bb17db4898dfd5f47fcff28a50

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-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

3172 AcroRd32.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

AcroRd32.exe

pid process

3172 AcroRd32.exe
3172 AcroRd32.exe
3172 AcroRd32.exe
3172 AcroRd32.exe

pid	process
3172	AcroRd32.exe

pid	process
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe
3172	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 3172 wrote to memory of 4084	3172	AcroRd32.exe	RdrCEF.exe
PID 3172 wrote to memory of 4084	3172	AcroRd32.exe	RdrCEF.exe
PID 3172 wrote to memory of 4084	3172	AcroRd32.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 2836	4084	RdrCEF.exe	RdrCEF.exe
PID 3172 wrote to memory of 4732	3172	AcroRd32.exe	RdrCEF.exe
PID 3172 wrote to memory of 4732	3172	AcroRd32.exe	RdrCEF.exe
PID 3172 wrote to memory of 4732	3172	AcroRd32.exe	RdrCEF.exe
PID 4084 wrote to memory of 3620	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 3620	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 3620	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 3620	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 3620	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 3620	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 3620	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 3620	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 3620	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 3620	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 3620	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 3620	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 3620	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 3620	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 3620	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 3620	4084	RdrCEF.exe	RdrCEF.exe
PID 4084 wrote to memory of 3620	4084	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\DTO 240522.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3172

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:4084

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=7ACC948F19B3A55647C4F97024735A52 --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=7ACC948F19B3A55647C4F97024735A52 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
3⤵
PID:3620

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=77FA8CC685E42028150B1FBCFCC36931 --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=77FA8CC685E42028150B1FBCFCC36931 --renderer-client-id=5 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
3⤵
PID:1504

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=7CB5078C89A39DCDF3C26BABA3E8BEED --mojo-platform-channel-handle=2428 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3284

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=66C24A522BE5605029543433CCBFA7C8 --mojo-platform-channel-handle=1876 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4692

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=A16196256ECD2A0B26A61F6687C372B0 --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3900

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=FA5538BE2FFDD268BC253E0357DBC029 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:2836

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:4732

C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe
"C:\Program Files (x86)\Common Files\Adobe\ARM\1.0\AdobeARM.exe" /PRODUCT:Reader /VERSION:19.0 /MODE:3
2⤵
PID:4000

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1844

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/1504-144-0x0000000000000000-mapping.dmp

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memory/2836-132-0x0000000000000000-mapping.dmp

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memory/3284-148-0x0000000000000000-mapping.dmp

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memory/3620-136-0x0000000000000000-mapping.dmp

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memory/3900-141-0x0000000000000000-mapping.dmp

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memory/4000-154-0x0000000000000000-mapping.dmp

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memory/4084-130-0x0000000000000000-mapping.dmp

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memory/4276-155-0x0000000000000000-mapping.dmp

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memory/4692-152-0x0000000000000000-mapping.dmp

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memory/4732-134-0x0000000000000000-mapping.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads