eacd5ed86a8ddd368a1089c7b97b791258e3eeb89c76c6da829b58d469f654b2

General

Target

MrsMajor 3.0.7z
Size

234KB
MD5

fedb45ddbd72fc70a81c789763038d81
SHA1

f1ed20c626d0a7ca2808ed768e7d7b319bc4c84a
SHA256

eacd5ed86a8ddd368a1089c7b97b791258e3eeb89c76c6da829b58d469f654b2
SHA512

813c0367f3aeceea9be02ffad4bfa8092ea44b428e68db8f3f33e45e4e5e53599d985fa79a708679b6957cbd04d9b9d67b288137fa71ac5a59e917b8792c8298
SSDEEP

6144:HMMAgnxjSgdHCueEVIzAMAcqXvYEC86TFSQ:HagxjSg1xrIzAMAcuI5TFT

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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-1-5-21-540404634-651139247-2967210625-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_BROWSER_EMULATION	AcroRd32.exe

Modifies registry class 2 IoCs

Processes:

cmd.exeOpenWith.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-540404634-651139247-2967210625-1000_Classes\Local Settings	OpenWith.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

OpenWith.exe

pid process

4884 OpenWith.exe

Suspicious use of SetWindowsHookEx 57 IoCs

Processes:

OpenWith.exeAcroRd32.exe

pid	process
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
4884	OpenWith.exe
2068	AcroRd32.exe
2068	AcroRd32.exe
2068	AcroRd32.exe
2068	AcroRd32.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

OpenWith.exeAcroRd32.exeRdrCEF.exe

description	pid	process	target process
PID 4884 wrote to memory of 2068	4884	OpenWith.exe	AcroRd32.exe
PID 4884 wrote to memory of 2068	4884	OpenWith.exe	AcroRd32.exe
PID 4884 wrote to memory of 2068	4884	OpenWith.exe	AcroRd32.exe
PID 2068 wrote to memory of 3168	2068	AcroRd32.exe	RdrCEF.exe
PID 2068 wrote to memory of 3168	2068	AcroRd32.exe	RdrCEF.exe
PID 2068 wrote to memory of 3168	2068	AcroRd32.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 1532	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 3272	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 3272	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 3272	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 3272	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 3272	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 3272	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 3272	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 3272	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 3272	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 3272	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 3272	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 3272	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 3272	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 3272	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 3272	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 3272	3168	RdrCEF.exe	RdrCEF.exe
PID 3168 wrote to memory of 3272	3168	RdrCEF.exe	RdrCEF.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\MrsMajor 3.0.7z"
1⤵
- Modifies registry class
PID:3116

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4884

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\MrsMajor 3.0.7z"
2⤵
- Checks processor information in registry
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2068

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
3⤵
- Suspicious use of WriteProcessMemory
PID:3168

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=22EDDEE47D81356A6F7F3D7D7F9C23DA --mojo-platform-channel-handle=1732 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
4⤵
PID:1532

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=2CB331875D60FECAE26207B1FF1DF646 --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=2CB331875D60FECAE26207B1FF1DF646 --renderer-client-id=2 --mojo-platform-channel-handle=1740 --allow-no-sandbox-job /prefetch:1
4⤵
PID:3272

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=173B65ACDC1C73C60BB8E9B3CF0BF58E --mojo-platform-channel-handle=2304 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
4⤵
PID:2228

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=4638893BDE7517061B4DC17CEC776246 --mojo-platform-channel-handle=1936 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
4⤵
PID:3640

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=1C1D5D9D72468C359B3F05A231CDFCD6 --mojo-platform-channel-handle=1800 --allow-no-sandbox-job --ignored=" --type=renderer " /prefetch:2
4⤵
PID:3700

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

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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