a681247f97012f94a32e9b78f799802ace3cb3c4706c4cca1f52afee037f7710

General

Target

1099Misc.pdf
Size

220.0MB
MD5

65062141a5aa00068b12b74a85d67b41
SHA1

5ba2d2c53978b4de3a123d79fa3ed60e93d86a48
SHA256

133be53c484a7d2f18f7919a393b60f4276f7900417bcd7bfecdbe977e750fb4
SHA512

d9bdde0c7293acbdf4410b454cfd9a1ed6d645b69a108d88292cc3008d42909934d269d03c94d06e4868b1b2d0c6b0a260a3dfaacca9338e227452c307998231
SSDEEP

3145728:96lH+byk0ZggBznCh2HCea5bQ92NmDVr9XqnZGWp:

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-1-5-21-2804150937-2146708401-419095071-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

AcroRd32.exe

pid process

5080 AcroRd32.exe
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

AcroRd32.exe

pid process

5080 AcroRd32.exe
5080 AcroRd32.exe
5080 AcroRd32.exe
5080 AcroRd32.exe
5080 AcroRd32.exe

pid	process
5080	AcroRd32.exe

pid	process
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe
5080	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

AcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 5080 wrote to memory of 4320	5080	AcroRd32.exe	RdrCEF.exe
PID 5080 wrote to memory of 4320	5080	AcroRd32.exe	RdrCEF.exe
PID 5080 wrote to memory of 4320	5080	AcroRd32.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 3616	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 4684	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 4684	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 4684	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 4684	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 4684	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 4684	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 4684	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 4684	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 4684	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 4684	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 4684	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 4684	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 4684	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 4684	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 4684	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 4684	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 4684	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 4684	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 4684	4320	RdrCEF.exe	RdrCEF.exe
PID 4320 wrote to memory of 4684	4320	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\1099Misc.pdf"
1⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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" --backgroundcolor=16514043
2⤵
- Suspicious use of WriteProcessMemory
PID:4320

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=549DF4FCEF40FF0A1ACE69F1A5ABBC80 --mojo-platform-channel-handle=1760 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3616

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=CC9E906D84A5489D215FAFC39805039A --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=CC9E906D84A5489D215FAFC39805039A --renderer-client-id=2 --mojo-platform-channel-handle=1752 --allow-no-sandbox-job /prefetch:1
3⤵
PID:4684

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=86799F946233DFC9DE1B540D49E06FEE --mojo-platform-channel-handle=2320 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:8

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=8BEE8658EB361844E6446C88A2F84AAA --mojo-platform-channel-handle=2308 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:3216

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=FAD7BF67D1998CE7FAA51C144F9C8998 --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=FAD7BF67D1998CE7FAA51C144F9C8998 --renderer-client-id=6 --mojo-platform-channel-handle=1624 --allow-no-sandbox-job /prefetch:1
3⤵
PID:2356

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=023D25DC22A2F7034720E3D7B4F3ED97 --mojo-platform-channel-handle=2656 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
3⤵
PID:5108

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:560

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
75d90cb37f0865fa780ec69d3d27616d

SHA1
e134bbd42d033efd95336c54db515b3f5998558e

SHA256
1940f49255cd83ea004bf084dd9dd1113e82f58cdd1eb033656ee2ad953294c1

SHA512
75ea7bc85d295f6b686276ad6915d20f59ea7940e3bd9e415773e8855b8bbcf567eb18600e57f182bce4865aa252968131839978ef77b0066c4804893a9c4387

Download Submit
C:\Users\Admin\AppData\LocalLow\Adobe\Acrobat\DC\ReaderMessages

Filesize
64KB

MD5
ae027255d4c6f8c188f5dafa86e5f1e7

SHA1
d1fdfe2b98fa06b75d1bc4d99246c3b196fbd239

SHA256
8776945f3c85aa6e67f541f0a75cf5e1e2b4755de58b85610821360121130133

SHA512
2f6178d2c94788eb2a99bcab58b560275d5b5fd3f06f8df21e10a2f2f309e9d7d7bcecf26e04e75572e894ac6616f8d6595d5ca75ed2269cbc82f4bfbceda191

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads