cf17f53708689c4af80b73eb2f687b0a8e48864ad6aeb23afc6394fb16fad248

General

Target

SN286238-726-240418151315.pdf
Size

27KB
MD5

6a077aa903ebfa2f5459e7c9caf34b96
SHA1

bbe3680e558104ed4aa986ef00fedbdf8d56ee79
SHA256

e4f4a1f57cc25da1c0f2f5e4076ac65ecd2ca9f5ee1d6c13cdbc902e4b7a1354
SHA512

d338e081c3208870017ea3fd5c8df09bd47971be8da64ecec30dda0aca0550e316f111b648119651e1a2e02c3d088aec79e266a35f4e217b52a28ae0353e8919
SSDEEP

768:IG4ljDMdslPci5e+17t+GW2A1l74SJhHJM0kf3m/da:I3lGi/CrlsSJZ9kO/da

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-1-5-21-1132431369-515282257-1998160155-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

AcroRd32.exe

pid	process
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe
1424	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

1424 AcroRd32.exe
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

AcroRd32.exe

pid process

1424 AcroRd32.exe
1424 AcroRd32.exe
1424 AcroRd32.exe
1424 AcroRd32.exe
1424 AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 1424 wrote to memory of 2584	1424	AcroRd32.exe	RdrCEF.exe
PID 1424 wrote to memory of 2584	1424	AcroRd32.exe	RdrCEF.exe
PID 1424 wrote to memory of 2584	1424	AcroRd32.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 5080	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 4052	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 4052	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 4052	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 4052	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 4052	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 4052	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 4052	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 4052	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 4052	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 4052	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 4052	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 4052	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 4052	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 4052	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 4052	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 4052	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 4052	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 4052	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 4052	2584	RdrCEF.exe	RdrCEF.exe
PID 2584 wrote to memory of 4052	2584	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\SN286238-726-240418151315.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:1424

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:2584

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=0F2E500015222896115BD3A07A4FE176 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:5080

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=A03A601C2427A2CFFE3F00F405D6C814 --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=A03A601C2427A2CFFE3F00F405D6C814 --renderer-client-id=2 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job /prefetch:1
3⤵
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" --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=DFD1257F0EC143F42A048DC4986FD1CC --mojo-platform-channel-handle=2300 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:1712

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=E0289E797B8D01F8F1D1A40FC2317540 --mojo-platform-channel-handle=1840 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:4680

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=03B758B52954C9D125399AD8889963D3 --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=03B758B52954C9D125399AD8889963D3 --renderer-client-id=6 --mojo-platform-channel-handle=2536 --allow-no-sandbox-job /prefetch:1
3⤵
PID:4576

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=02F1D08A3053F5E176511E05EFB0858E --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3968

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2668

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages
Filesize
64KB

MD5
172b7a3e7572dbb997afa6dd28096288

SHA1
87eb41b1425a7294120093f58d4f5c6b421096f0

SHA256
f836d46a5dac3f95782da52350671d9b4469c9de996ee9e9c6e01c524f7dcd8c

SHA512
850e2c56b33231f9a8285a57cb3e7cdf06a61f37d47a5e5080522e3935192ccfc6a8f8366a7496088906ecaa0ad80816ce05ea6ffee3f7bd5db0237932c442f6

Download Submit
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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads