netwire | 3994471e828d2d7e89e3c7c07ef01662173333700ac9dc14461b3e418cb75db7

General

Target

New-Order December-15th.xlsx
Size

2.3MB
MD5

e03ed5e77e5800540f0448a8318eaf34
SHA1

56af39d425961607df89dabb30480038828701c0
SHA256

3994471e828d2d7e89e3c7c07ef01662173333700ac9dc14461b3e418cb75db7
SHA512

4d26a232dd177a2670fc4272823d7de3feb30e06d9970b331c02e1b299df5dca7811e4ccae707cb4b5018d8b08af70ca2b265fe1fde5a0650ebb9e54ae01eb76

Score

10^/10

netwire botnet evasion persistence rat stealer

Malware Config

Signatures

NetWire RAT payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/932-18-0x0000000000400000-0x000000000042C000-memory.dmp	netwire
behavioral1/memory/932-19-0x0000000000402BCB-mapping.dmp	netwire
behavioral1/memory/932-21-0x0000000000400000-0x000000000042C000-memory.dmp	netwire

Netwire
Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.
botnet stealer netwire
Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Blocklisted process makes network request 1 IoCs

Processes:

EQNEDT32.EXE

flow pid process

6 2044 EQNEDT32.EXE
Executes dropped EXE 2 IoCs

Processes:

vbc.exevbc.exe

pid process

776 vbc.exe
932 vbc.exe
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Modifies Installed Components in the registry 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1060

Modify Registry
T1112

flow	pid	process
6	2044	EQNEDT32.EXE

pid	process
776	vbc.exe
932	vbc.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

vbc.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	vbc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	vbc.exe

Loads dropped DLL 4 IoCs

Processes:

EQNEDT32.EXE

pid process

2044 EQNEDT32.EXE
2044 EQNEDT32.EXE
2044 EQNEDT32.EXE
2044 EQNEDT32.EXE
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

pid	process
2044	EQNEDT32.EXE
2044	EQNEDT32.EXE
2044	EQNEDT32.EXE
2044	EQNEDT32.EXE

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

vbc.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	vbc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\NetWire = "C:\\Users\\Public\\vbc.exe"	vbc.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

vbc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	vbc.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	vbc.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

vbc.exe

description pid process target process

PID 776 set thread context of 932 776 vbc.exe vbc.exe
Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE
Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
exploit

Exploitation for Client Execution
T1203

Processes:

EQNEDT32.EXE

pid process

2044 EQNEDT32.EXE

description	pid	process	target process
PID 776 set thread context of 932	776	vbc.exe	vbc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

pid	process
2044	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1208 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

vbc.exe

pid process

776 vbc.exe
776 vbc.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

vbc.exe

description pid process

Token: SeDebugPrivilege 776 vbc.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1208 EXCEL.EXE
1208 EXCEL.EXE
1208 EXCEL.EXE

pid	process
1208	EXCEL.EXE

pid	process
776	vbc.exe
776	vbc.exe

description	pid	process
Token: SeDebugPrivilege	776	vbc.exe

pid	process
1208	EXCEL.EXE
1208	EXCEL.EXE
1208	EXCEL.EXE

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

EQNEDT32.EXEvbc.exe

description	pid	process	target process
PID 2044 wrote to memory of 776	2044	EQNEDT32.EXE	vbc.exe
PID 2044 wrote to memory of 776	2044	EQNEDT32.EXE	vbc.exe
PID 2044 wrote to memory of 776	2044	EQNEDT32.EXE	vbc.exe
PID 2044 wrote to memory of 776	2044	EQNEDT32.EXE	vbc.exe
PID 776 wrote to memory of 932	776	vbc.exe	vbc.exe
PID 776 wrote to memory of 932	776	vbc.exe	vbc.exe
PID 776 wrote to memory of 932	776	vbc.exe	vbc.exe
PID 776 wrote to memory of 932	776	vbc.exe	vbc.exe
PID 776 wrote to memory of 932	776	vbc.exe	vbc.exe
PID 776 wrote to memory of 932	776	vbc.exe	vbc.exe
PID 776 wrote to memory of 932	776	vbc.exe	vbc.exe
PID 776 wrote to memory of 932	776	vbc.exe	vbc.exe
PID 776 wrote to memory of 932	776	vbc.exe	vbc.exe
PID 776 wrote to memory of 932	776	vbc.exe	vbc.exe
PID 776 wrote to memory of 932	776	vbc.exe	vbc.exe

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde "C:\Users\Admin\AppData\Local\Temp\New-Order December-15th.xlsx"
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1208

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE
"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding
1⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:2044

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
2⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:776

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
PID:932

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1

T1064

Exploitation for Client Execution

1

T1203

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Modify Registry

3

T1112

Scripting

1

T1064

Credential Access

Discovery

Query Registry

5

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Public\vbc.exe
MD5
d543a59ba12985acaf4134c3ff427b86

SHA1
626f4d2877429d63586bc0ccfdf313911b6817c8

SHA256
45758c4c53cd20b6f598a9cba7185150543d829eee00aaa8dc565cefd59e9909

SHA512
80bfd4931b4a0e032fd583544cdf4fe36a0791d988b3ccfdcffe826fb1f93dabadf9de7f0a309da5eca1972839420e0c4bac796b9768d740075980459962689e

Download Submit
C:\Users\Public\vbc.exe
MD5
d543a59ba12985acaf4134c3ff427b86

SHA1
626f4d2877429d63586bc0ccfdf313911b6817c8

SHA256
45758c4c53cd20b6f598a9cba7185150543d829eee00aaa8dc565cefd59e9909

SHA512
80bfd4931b4a0e032fd583544cdf4fe36a0791d988b3ccfdcffe826fb1f93dabadf9de7f0a309da5eca1972839420e0c4bac796b9768d740075980459962689e

Download Submit
C:\Users\Public\vbc.exe
MD5
d543a59ba12985acaf4134c3ff427b86

SHA1
626f4d2877429d63586bc0ccfdf313911b6817c8

SHA256
45758c4c53cd20b6f598a9cba7185150543d829eee00aaa8dc565cefd59e9909

SHA512
80bfd4931b4a0e032fd583544cdf4fe36a0791d988b3ccfdcffe826fb1f93dabadf9de7f0a309da5eca1972839420e0c4bac796b9768d740075980459962689e

Download Submit
\Users\Public\vbc.exe
MD5
d543a59ba12985acaf4134c3ff427b86

SHA1
626f4d2877429d63586bc0ccfdf313911b6817c8

SHA256
45758c4c53cd20b6f598a9cba7185150543d829eee00aaa8dc565cefd59e9909

SHA512
80bfd4931b4a0e032fd583544cdf4fe36a0791d988b3ccfdcffe826fb1f93dabadf9de7f0a309da5eca1972839420e0c4bac796b9768d740075980459962689e

Download Submit
\Users\Public\vbc.exe
MD5
d543a59ba12985acaf4134c3ff427b86

SHA1
626f4d2877429d63586bc0ccfdf313911b6817c8

SHA256
45758c4c53cd20b6f598a9cba7185150543d829eee00aaa8dc565cefd59e9909

SHA512
80bfd4931b4a0e032fd583544cdf4fe36a0791d988b3ccfdcffe826fb1f93dabadf9de7f0a309da5eca1972839420e0c4bac796b9768d740075980459962689e

Download Submit
\Users\Public\vbc.exe
MD5
d543a59ba12985acaf4134c3ff427b86

SHA1
626f4d2877429d63586bc0ccfdf313911b6817c8

SHA256
45758c4c53cd20b6f598a9cba7185150543d829eee00aaa8dc565cefd59e9909

SHA512
80bfd4931b4a0e032fd583544cdf4fe36a0791d988b3ccfdcffe826fb1f93dabadf9de7f0a309da5eca1972839420e0c4bac796b9768d740075980459962689e

Download Submit
\Users\Public\vbc.exe
MD5
d543a59ba12985acaf4134c3ff427b86

SHA1
626f4d2877429d63586bc0ccfdf313911b6817c8

SHA256
45758c4c53cd20b6f598a9cba7185150543d829eee00aaa8dc565cefd59e9909

SHA512
80bfd4931b4a0e032fd583544cdf4fe36a0791d988b3ccfdcffe826fb1f93dabadf9de7f0a309da5eca1972839420e0c4bac796b9768d740075980459962689e

Download Submit
memory/268-2-0x000007FEF7900000-0x000007FEF7B7A000-memory.dmp

Filesize
2.5MB

Download
memory/776-10-0x000000006BEB0000-0x000000006C59E000-memory.dmp

Filesize
6.9MB

Download
memory/776-11-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/776-13-0x0000000028300000-0x00000000482E8000-memory.dmp

Filesize
511.9MB

Download
memory/776-14-0x0000000001F50000-0x0000000001F99000-memory.dmp

Filesize
292KB

Download
memory/776-15-0x00000000007A0000-0x00000000007A8000-memory.dmp

Filesize
32KB

Download
memory/776-17-0x0000000002150000-0x000000000217C000-memory.dmp

Filesize
176KB

Download
memory/776-7-0x0000000000000000-mapping.dmp

Download
memory/932-18-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/932-19-0x0000000000402BCB-mapping.dmp

Download
memory/932-21-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads