0651ac4bb5158450f50882a66fe809b99f3004acfcb060dae085621f3907a884

General

Target

FORM-W9[71791].pdf
Size

129KB
MD5

a73738d335ef3abb155cc9dafbebdf57
SHA1

71ee45828ff690bbfcdbd9b35aea58d48d9e8594
SHA256

78366390cd4e3db89e06009fce54df272bee0d3b34003f3a786c4835239bfdff
SHA512

d651b898350767d8a81b7fc65181dfdbe1a1f17bd77ba9c708d753470702c596851ea4557bd4d9065ecce64bab0b7b433ccf1b8e77f5ffaf2e82c70c9a48c6ce
SSDEEP

3072:UVilYC32TlkA8VxiQNgAROHMQSJSFhasszU:Ur78DiQGARONGo

Score

1^/10

Malware Config

Signatures

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

Processes:

AcroRd32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4176143399-3250363947-192774652-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe
1784	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

1784 AcroRd32.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

AcroRd32.exe

pid process

1784 AcroRd32.exe
1784 AcroRd32.exe
1784 AcroRd32.exe
1784 AcroRd32.exe
1784 AcroRd32.exe
1784 AcroRd32.exe
1784 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 1784 wrote to memory of 3024	1784	AcroRd32.exe	RdrCEF.exe
PID 1784 wrote to memory of 3024	1784	AcroRd32.exe	RdrCEF.exe
PID 1784 wrote to memory of 3024	1784	AcroRd32.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 764	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 2348	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 2348	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 2348	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 2348	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 2348	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 2348	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 2348	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 2348	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 2348	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 2348	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 2348	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 2348	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 2348	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 2348	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 2348	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 2348	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 2348	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 2348	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 2348	3024	RdrCEF.exe	RdrCEF.exe
PID 3024 wrote to memory of 2348	3024	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\FORM-W9[71791].pdf"
1⤵
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1784

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:3024

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=BF4D3E3744DC7AE02B8CCBC4395B70FE --mojo-platform-channel-handle=1728 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:764

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=D632284BFFF7151898575624CF3BB417 --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=4 --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=D632284BFFF7151898575624CF3BB417 --renderer-client-id=2 --mojo-platform-channel-handle=1756 --allow-no-sandbox-job /prefetch:1
3⤵
PID:2348

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=EFB1B3801015CC9062DC92E4996FEB0B --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=4 --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=EFB1B3801015CC9062DC92E4996FEB0B --renderer-client-id=4 --mojo-platform-channel-handle=2176 --allow-no-sandbox-job /prefetch:1
3⤵
PID:1260

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=16B2AD43D4B7D3ED1AC795FB273648E3 --mojo-platform-channel-handle=2208 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1552

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=46F1F1C85DD365FBA7EE6BB7CFD3E18E --mojo-platform-channel-handle=2568 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4592

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=0F6FC991E0D7B325537E7E4139CDA3B1 --mojo-platform-channel-handle=1972 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3780

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3000

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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
90244b26a8b7abe0b56196364a2bae60

SHA1
7c3e6a22f20ce397b6acec9ccb197f02695a67b1

SHA256
c01d8422ec33ee03b1193a942bcfa7963739e0f48097d81d7625afdda0dee6fc

SHA512
1e6267ddb00fa9ea1d9f1987397ba21dfb66f37c4a7ae91f1e5b9674f73a1a9b186d984293672825edad5df89cfbee64aea808d10188a91227bcce2e0101584c

Download Submit
C:\Users\Admin\AppData\Local\Adobe\Acrobat\DC\SharedDataEvents
Filesize
12KB

MD5
c34699fa354525ab37b5b87298e513a6

SHA1
b4de676fd63958d88705075d65759a387d73c6e0

SHA256
2fe8c7c231084922f12c5a2e19faae192134fc013ddbb387920751943e91e54b

SHA512
a659e72a022908efe9187e270373272acf34fb28d5ddd36dc7be3a593ebf364fc89fc7162f89e94a45fa805dc6d9c07e167675011f9fc1b2056ec86dd4c92303

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads