netwire | c0b84d4a7affdc167863953ad494d02550d020a6efb083a1375d86a1b3b76edc

General

Target

Import and Export Regulation.xlsx
Size

2.3MB
MD5

b42c2fed481f5ec6f99f678d1f6f036f
SHA1

c91e029f1e0304e0b1439085fae57609d7e1962d
SHA256

c0b84d4a7affdc167863953ad494d02550d020a6efb083a1375d86a1b3b76edc
SHA512

cded7c450a0a6ac0fdad1b88306451ec29fd3319f4c1fa9d48d7274c20a49eb8bf793451bfdf75451882b83c3c54705cbe74563e0182ceee7a42576421322464

Score

10^/10

netwire botnet evasion persistence rat stealer

Malware Config

Signatures

NetWire RAT payload 3 IoCs

rat

Processes:

resource	yara_rule
behavioral1/memory/1184-19-0x0000000000400000-0x000000000042C000-memory.dmp	netwire
behavioral1/memory/1184-20-0x0000000000402BCB-mapping.dmp	netwire
behavioral1/memory/1184-23-0x0000000000400000-0x000000000042C000-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 2028 EQNEDT32.EXE
Executes dropped EXE 3 IoCs

Processes:

vbc.exevbc.exevbc.exe

pid process

1732 vbc.exe
1224 vbc.exe
1184 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	2028	EQNEDT32.EXE

pid	process
1732	vbc.exe
1224	vbc.exe
1184	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

2028 EQNEDT32.EXE
2028 EQNEDT32.EXE
2028 EQNEDT32.EXE
2028 EQNEDT32.EXE
Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

pid	process
2028	EQNEDT32.EXE
2028	EQNEDT32.EXE
2028	EQNEDT32.EXE
2028	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 1732 set thread context of 1184 1732 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

2028 EQNEDT32.EXE

description	pid	process	target process
PID 1732 set thread context of 1184	1732	vbc.exe	vbc.exe

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

pid	process
2028	EQNEDT32.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
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
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
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\E&xport to Microsoft Excel\Contexts = "1"	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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

740 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

vbc.exe

pid process

1732 vbc.exe
1732 vbc.exe
1732 vbc.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

vbc.exe

description pid process

Token: SeDebugPrivilege 1732 vbc.exe
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

740 EXCEL.EXE
740 EXCEL.EXE
740 EXCEL.EXE

pid	process
740	EXCEL.EXE

pid	process
1732	vbc.exe
1732	vbc.exe
1732	vbc.exe

description	pid	process
Token: SeDebugPrivilege	1732	vbc.exe

pid	process
740	EXCEL.EXE
740	EXCEL.EXE
740	EXCEL.EXE

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

EQNEDT32.EXEvbc.exe

description	pid	process	target process
PID 2028 wrote to memory of 1732	2028	EQNEDT32.EXE	vbc.exe
PID 2028 wrote to memory of 1732	2028	EQNEDT32.EXE	vbc.exe
PID 2028 wrote to memory of 1732	2028	EQNEDT32.EXE	vbc.exe
PID 2028 wrote to memory of 1732	2028	EQNEDT32.EXE	vbc.exe
PID 1732 wrote to memory of 1224	1732	vbc.exe	vbc.exe
PID 1732 wrote to memory of 1224	1732	vbc.exe	vbc.exe
PID 1732 wrote to memory of 1224	1732	vbc.exe	vbc.exe
PID 1732 wrote to memory of 1224	1732	vbc.exe	vbc.exe
PID 1732 wrote to memory of 1184	1732	vbc.exe	vbc.exe
PID 1732 wrote to memory of 1184	1732	vbc.exe	vbc.exe
PID 1732 wrote to memory of 1184	1732	vbc.exe	vbc.exe
PID 1732 wrote to memory of 1184	1732	vbc.exe	vbc.exe
PID 1732 wrote to memory of 1184	1732	vbc.exe	vbc.exe
PID 1732 wrote to memory of 1184	1732	vbc.exe	vbc.exe
PID 1732 wrote to memory of 1184	1732	vbc.exe	vbc.exe
PID 1732 wrote to memory of 1184	1732	vbc.exe	vbc.exe
PID 1732 wrote to memory of 1184	1732	vbc.exe	vbc.exe
PID 1732 wrote to memory of 1184	1732	vbc.exe	vbc.exe
PID 1732 wrote to memory of 1184	1732	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\Import and Export Regulation.xlsx"
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:740

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:2028

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:1732

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
3⤵
- Executes dropped EXE
PID:1224

C:\Users\Public\vbc.exe
"C:\Users\Public\vbc.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
PID:1184

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
0f70263fe10dd4f80b8f55d7ee4c75c6

SHA1
01774685daf3b29f6ca167fc685df442ffcfcef3

SHA256
d448e98a5a460af5fe86ca742ec12b77bfd051db847cff94c4e60189379548ae

SHA512
2c3f050e4a08340b12948dd30886c7fa60f2dc60281cfc408cb84928de8d474f156ee6bf4bf8a6264e82ce1e3d30195fc30845edff349eaf24b486f840923f10

Download Submit
C:\Users\Public\vbc.exe
MD5
0f70263fe10dd4f80b8f55d7ee4c75c6

SHA1
01774685daf3b29f6ca167fc685df442ffcfcef3

SHA256
d448e98a5a460af5fe86ca742ec12b77bfd051db847cff94c4e60189379548ae

SHA512
2c3f050e4a08340b12948dd30886c7fa60f2dc60281cfc408cb84928de8d474f156ee6bf4bf8a6264e82ce1e3d30195fc30845edff349eaf24b486f840923f10

Download Submit
C:\Users\Public\vbc.exe
MD5
0f70263fe10dd4f80b8f55d7ee4c75c6

SHA1
01774685daf3b29f6ca167fc685df442ffcfcef3

SHA256
d448e98a5a460af5fe86ca742ec12b77bfd051db847cff94c4e60189379548ae

SHA512
2c3f050e4a08340b12948dd30886c7fa60f2dc60281cfc408cb84928de8d474f156ee6bf4bf8a6264e82ce1e3d30195fc30845edff349eaf24b486f840923f10

Download Submit
C:\Users\Public\vbc.exe
MD5
0f70263fe10dd4f80b8f55d7ee4c75c6

SHA1
01774685daf3b29f6ca167fc685df442ffcfcef3

SHA256
d448e98a5a460af5fe86ca742ec12b77bfd051db847cff94c4e60189379548ae

SHA512
2c3f050e4a08340b12948dd30886c7fa60f2dc60281cfc408cb84928de8d474f156ee6bf4bf8a6264e82ce1e3d30195fc30845edff349eaf24b486f840923f10

Download Submit
\Users\Public\vbc.exe
MD5
0f70263fe10dd4f80b8f55d7ee4c75c6

SHA1
01774685daf3b29f6ca167fc685df442ffcfcef3

SHA256
d448e98a5a460af5fe86ca742ec12b77bfd051db847cff94c4e60189379548ae

SHA512
2c3f050e4a08340b12948dd30886c7fa60f2dc60281cfc408cb84928de8d474f156ee6bf4bf8a6264e82ce1e3d30195fc30845edff349eaf24b486f840923f10

Download Submit
\Users\Public\vbc.exe
MD5
0f70263fe10dd4f80b8f55d7ee4c75c6

SHA1
01774685daf3b29f6ca167fc685df442ffcfcef3

SHA256
d448e98a5a460af5fe86ca742ec12b77bfd051db847cff94c4e60189379548ae

SHA512
2c3f050e4a08340b12948dd30886c7fa60f2dc60281cfc408cb84928de8d474f156ee6bf4bf8a6264e82ce1e3d30195fc30845edff349eaf24b486f840923f10

Download Submit
\Users\Public\vbc.exe
MD5
0f70263fe10dd4f80b8f55d7ee4c75c6

SHA1
01774685daf3b29f6ca167fc685df442ffcfcef3

SHA256
d448e98a5a460af5fe86ca742ec12b77bfd051db847cff94c4e60189379548ae

SHA512
2c3f050e4a08340b12948dd30886c7fa60f2dc60281cfc408cb84928de8d474f156ee6bf4bf8a6264e82ce1e3d30195fc30845edff349eaf24b486f840923f10

Download Submit
\Users\Public\vbc.exe
MD5
0f70263fe10dd4f80b8f55d7ee4c75c6

SHA1
01774685daf3b29f6ca167fc685df442ffcfcef3

SHA256
d448e98a5a460af5fe86ca742ec12b77bfd051db847cff94c4e60189379548ae

SHA512
2c3f050e4a08340b12948dd30886c7fa60f2dc60281cfc408cb84928de8d474f156ee6bf4bf8a6264e82ce1e3d30195fc30845edff349eaf24b486f840923f10

Download Submit
memory/1184-23-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1184-20-0x0000000000402BCB-mapping.dmp

Download
memory/1184-19-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1732-7-0x0000000000000000-mapping.dmp

Download
memory/1732-15-0x0000000000540000-0x0000000000548000-memory.dmp

Filesize
32KB

Download
memory/1732-17-0x0000000045C80000-0x0000000045CC5000-memory.dmp

Filesize
276KB

Download
memory/1732-14-0x0000000045AE0000-0x0000000045B3E000-memory.dmp

Filesize
376KB

Download
memory/1732-13-0x0000000025770000-0x0000000045758000-memory.dmp

Filesize
511.9MB

Download
memory/1732-11-0x0000000001040000-0x0000000001041000-memory.dmp

Filesize
4KB

Download
memory/1732-10-0x000000006C560000-0x000000006CC4E000-memory.dmp

Filesize
6.9MB

Download
memory/1732-22-0x00000000003E0000-0x0000000000410000-memory.dmp

Filesize
192KB

Download
memory/1960-2-0x000007FEF7E50000-0x000007FEF80CA000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads