nerbian | 902c65435b6b44cfda1156b0e7c6a30b2785fa4f2cbb9b1944a66f5146ec7aa5

General

Target

MoUsoCore.exe
Size

5.6MB
MD5

5d5bc970f975341558b8d2c225ca0115
SHA1

4f74826ed56cda233cfc12b86fd1b7da4a9f2e56
SHA256

902c65435b6b44cfda1156b0e7c6a30b2785fa4f2cbb9b1944a66f5146ec7aa5
SHA512

c7127326914dc4b793715a16e8d952ba38e87091d4be505c6bf45b4f4e918b82aa2b570554b79e69d4fe6352767deb411c132a5ac98db52026f98ef0652d9449

Score

10^/10

nerbian rat trojan upx

Malware Config

Signatures

Detect Nerbian RAT malware 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2392-117-0x0000000001040000-0x00000000019FB000-memory.dmp	family_nerbian
behavioral2/memory/2392-118-0x0000000001040000-0x00000000019FB000-memory.dmp	family_nerbian

Nerbian
Remote access trojan written in the Golang.
rat trojan nerbian

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/2392-117-0x0000000001040000-0x00000000019FB000-memory.dmp	upx
behavioral2/memory/2392-118-0x0000000001040000-0x00000000019FB000-memory.dmp	upx

Modifies system certificate store 2 TTPs 4 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

MoUsoCore.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\C86D7FC64DD9BF8FFAB698C2B0967287E4317B27	MoUsoCore.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\C86D7FC64DD9BF8FFAB698C2B0967287E4317B27\Blob = 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	MoUsoCore.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\C86D7FC64DD9BF8FFAB698C2B0967287E4317B27\Blob = 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	MoUsoCore.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\C86D7FC64DD9BF8FFAB698C2B0967287E4317B27\Blob = 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	MoUsoCore.exe

C:\Users\Admin\AppData\Local\Temp\MoUsoCore.exe
"C:\Users\Admin\AppData\Local\Temp\MoUsoCore.exe"
1⤵
- Modifies system certificate store
PID:2392

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2392-117-0x0000000001040000-0x00000000019FB000-memory.dmp

Filesize
9.7MB

Download
memory/2392-118-0x0000000001040000-0x00000000019FB000-memory.dmp

Filesize
9.7MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads