3ed75b22528e269c6e025dc4f5f2866a0bc915cd31c2f6ec337049e59b875427

General

Target

DTO 250522.pdf
Size

347KB
MD5

14178e481c837409f01855e5608a979a
SHA1

43aa9d2fcc76ab2f350e1a6bae2448d1a40e6fba
SHA256

3ed75b22528e269c6e025dc4f5f2866a0bc915cd31c2f6ec337049e59b875427
SHA512

f7a1a1e5071c6dfa2e1950ce3a0ce263d85f14bb1a2dee1fa1bf0c6aaace53338782a30999c44a221fc21d0a2f4c5198f5fc8307f091e747fd5f11990c1f0ae9

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

796 AcroRd32.exe
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

AcroRd32.exe

pid process

796 AcroRd32.exe
796 AcroRd32.exe
796 AcroRd32.exe
796 AcroRd32.exe

pid	process
796	AcroRd32.exe

pid	process
796	AcroRd32.exe
796	AcroRd32.exe
796	AcroRd32.exe
796	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 796 wrote to memory of 1852	796	AcroRd32.exe	RdrCEF.exe
PID 796 wrote to memory of 1852	796	AcroRd32.exe	RdrCEF.exe
PID 796 wrote to memory of 1852	796	AcroRd32.exe	RdrCEF.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1520	1852	RdrCEF.exe	svchost.exe
PID 1852 wrote to memory of 1420	1852	RdrCEF.exe	RdrCEF.exe
PID 1852 wrote to memory of 1420	1852	RdrCEF.exe	RdrCEF.exe
PID 1852 wrote to memory of 1420	1852	RdrCEF.exe	RdrCEF.exe
PID 1852 wrote to memory of 1420	1852	RdrCEF.exe	RdrCEF.exe
PID 1852 wrote to memory of 1420	1852	RdrCEF.exe	RdrCEF.exe
PID 1852 wrote to memory of 1420	1852	RdrCEF.exe	RdrCEF.exe
PID 1852 wrote to memory of 1420	1852	RdrCEF.exe	RdrCEF.exe
PID 1852 wrote to memory of 1420	1852	RdrCEF.exe	RdrCEF.exe
PID 1852 wrote to memory of 1420	1852	RdrCEF.exe	RdrCEF.exe
PID 1852 wrote to memory of 1420	1852	RdrCEF.exe	RdrCEF.exe
PID 1852 wrote to memory of 1420	1852	RdrCEF.exe	RdrCEF.exe
PID 1852 wrote to memory of 1420	1852	RdrCEF.exe	RdrCEF.exe
PID 1852 wrote to memory of 1420	1852	RdrCEF.exe	RdrCEF.exe
PID 1852 wrote to memory of 1420	1852	RdrCEF.exe	RdrCEF.exe
PID 1852 wrote to memory of 1420	1852	RdrCEF.exe	RdrCEF.exe
PID 1852 wrote to memory of 1420	1852	RdrCEF.exe	RdrCEF.exe
PID 1852 wrote to memory of 1420	1852	RdrCEF.exe	RdrCEF.exe
PID 1852 wrote to memory of 1420	1852	RdrCEF.exe	RdrCEF.exe
PID 1852 wrote to memory of 1420	1852	RdrCEF.exe	RdrCEF.exe
PID 1852 wrote to memory of 1420	1852	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 250522.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:796

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:1852

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=21291957C320DB0D5EAE91F0BF0741E3 --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=21291957C320DB0D5EAE91F0BF0741E3 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
3⤵
PID:1420

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=BFB87A8FF79182D72BF6197FCDF0621D --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1520

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=C83859AD42BF8C4C0AC6A7EBFCD1B154 --mojo-platform-channel-handle=2304 --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=renderer --disable-browser-side-navigation --disable-gpu-compositing --service-pipe-token=3BEB6CF0E8183C1A9739E84F9FA3DBB6 --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=3BEB6CF0E8183C1A9739E84F9FA3DBB6 --renderer-client-id=5 --mojo-platform-channel-handle=2328 --allow-no-sandbox-job /prefetch:1
3⤵
PID:3036

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=E1881CC5BD44C247695412079EA38042 --mojo-platform-channel-handle=2524 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:60

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=D7BEACB62B596D95CC2EAE4742133B46 --mojo-platform-channel-handle=1948 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3840

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:3128

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2168

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UsoSvc
1⤵
PID:1520

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/60-148-0x0000000000000000-mapping.dmp

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memory/1420-135-0x0000000000000000-mapping.dmp

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memory/1520-132-0x0000000000000000-mapping.dmp

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memory/1852-130-0x0000000000000000-mapping.dmp

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memory/2040-140-0x0000000000000000-mapping.dmp

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memory/3036-143-0x0000000000000000-mapping.dmp

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memory/3128-153-0x0000000000000000-mapping.dmp

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memory/3840-151-0x0000000000000000-mapping.dmp

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memory/3932-154-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads