xpertrat | 0580f2e1a63c8db40f25570a673b1620d753d28f55101dd5f9d8270755d69261

General

Target

SPELIST0120Dec-130073_164300887Spec_Pdf.exe
Size

1.3MB
MD5

38f21e75ff73996220385c651b977d13
SHA1

c46c478a05c788c60abccf265d58de93115da221
SHA256

0580f2e1a63c8db40f25570a673b1620d753d28f55101dd5f9d8270755d69261
SHA512

28cbaa62ddc069ec325a61bdb585be6ef76265f9ee1fb75560e19ed99fa429387b488217942fc1e7c1393cefc7546d82abbe63f02ad321d90b31a5682ba1a069

Score

10^/10

xpertrat collection evasion persistence rat trojan

Malware Config

Signatures

UAC bypass 3 TTPs
evasion trojan

Bypass User Account Control
T1088

Disabling Security Tools
T1089

Modify Registry
T1112
Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112
XpertRAT
XpertRAT is a remote access trojan with various capabilities.
rat xpertrat

Adds policy Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

iexplore.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run	iexplore.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Explorer\run\N3S8L5W2-L0D7-N6R5-I1X3-I7P6I3R8E6E5 = "C:\\Users\\Admin\\AppData\\Roaming\\N3S8L5W2-L0D7-N6R5-I1X3-I7P6I3R8E6E5\\N3S8L5W2-L0D7-N6R5-I1X3-I7P6I3R8E6E5.exe"	iexplore.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

SPELIST0120Dec-130073_164300887Spec_Pdf.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UACDisableNotify = "0"	SPELIST0120Dec-130073_164300887Spec_Pdf.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

iexplore.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts	iexplore.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

iexplore.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\N3S8L5W2-L0D7-N6R5-I1X3-I7P6I3R8E6E5 = "C:\\Users\\Admin\\AppData\\Roaming\\N3S8L5W2-L0D7-N6R5-I1X3-I7P6I3R8E6E5\\N3S8L5W2-L0D7-N6R5-I1X3-I7P6I3R8E6E5.exe"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\N3S8L5W2-L0D7-N6R5-I1X3-I7P6I3R8E6E5 = "C:\\Users\\Admin\\AppData\\Roaming\\N3S8L5W2-L0D7-N6R5-I1X3-I7P6I3R8E6E5\\N3S8L5W2-L0D7-N6R5-I1X3-I7P6I3R8E6E5.exe"	iexplore.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run	iexplore.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

SPELIST0120Dec-130073_164300887Spec_Pdf.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	SPELIST0120Dec-130073_164300887Spec_Pdf.exe

Suspicious use of SetThreadContext 7 IoCs

Processes:

SPELIST0120Dec-130073_164300887Spec_Pdf.exeSPELIST0120Dec-130073_164300887Spec_Pdf.exeiexplore.exe

description	pid	process	target process
PID 1452 set thread context of 1164	1452	SPELIST0120Dec-130073_164300887Spec_Pdf.exe	SPELIST0120Dec-130073_164300887Spec_Pdf.exe
PID 1164 set thread context of 748	1164	SPELIST0120Dec-130073_164300887Spec_Pdf.exe	iexplore.exe
PID 748 set thread context of 828	748	iexplore.exe	iexplore.exe
PID 748 set thread context of 1112	748	iexplore.exe	iexplore.exe
PID 748 set thread context of 1664	748	iexplore.exe	iexplore.exe
PID 748 set thread context of 1680	748	iexplore.exe	iexplore.exe
PID 748 set thread context of 1712	748	iexplore.exe	iexplore.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

SPELIST0120Dec-130073_164300887Spec_Pdf.exe

pid process

1164 SPELIST0120Dec-130073_164300887Spec_Pdf.exe
1164 SPELIST0120Dec-130073_164300887Spec_Pdf.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

iexplore.exeiexplore.exe

description pid process

Token: SeDebugPrivilege 748 iexplore.exe
Token: SeDebugPrivilege 828 iexplore.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

SPELIST0120Dec-130073_164300887Spec_Pdf.exeiexplore.exe

pid process

1164 SPELIST0120Dec-130073_164300887Spec_Pdf.exe
748 iexplore.exe

pid	process
1164	SPELIST0120Dec-130073_164300887Spec_Pdf.exe
1164	SPELIST0120Dec-130073_164300887Spec_Pdf.exe

description	pid	process
Token: SeDebugPrivilege	748	iexplore.exe
Token: SeDebugPrivilege	828	iexplore.exe

pid	process
1164	SPELIST0120Dec-130073_164300887Spec_Pdf.exe
748	iexplore.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

SPELIST0120Dec-130073_164300887Spec_Pdf.exeSPELIST0120Dec-130073_164300887Spec_Pdf.exeiexplore.exe

description	pid	process	target process
PID 1452 wrote to memory of 1164	1452	SPELIST0120Dec-130073_164300887Spec_Pdf.exe	SPELIST0120Dec-130073_164300887Spec_Pdf.exe
PID 1452 wrote to memory of 1164	1452	SPELIST0120Dec-130073_164300887Spec_Pdf.exe	SPELIST0120Dec-130073_164300887Spec_Pdf.exe
PID 1452 wrote to memory of 1164	1452	SPELIST0120Dec-130073_164300887Spec_Pdf.exe	SPELIST0120Dec-130073_164300887Spec_Pdf.exe
PID 1452 wrote to memory of 1164	1452	SPELIST0120Dec-130073_164300887Spec_Pdf.exe	SPELIST0120Dec-130073_164300887Spec_Pdf.exe
PID 1452 wrote to memory of 1164	1452	SPELIST0120Dec-130073_164300887Spec_Pdf.exe	SPELIST0120Dec-130073_164300887Spec_Pdf.exe
PID 1452 wrote to memory of 1164	1452	SPELIST0120Dec-130073_164300887Spec_Pdf.exe	SPELIST0120Dec-130073_164300887Spec_Pdf.exe
PID 1452 wrote to memory of 1164	1452	SPELIST0120Dec-130073_164300887Spec_Pdf.exe	SPELIST0120Dec-130073_164300887Spec_Pdf.exe
PID 1452 wrote to memory of 1164	1452	SPELIST0120Dec-130073_164300887Spec_Pdf.exe	SPELIST0120Dec-130073_164300887Spec_Pdf.exe
PID 1164 wrote to memory of 748	1164	SPELIST0120Dec-130073_164300887Spec_Pdf.exe	iexplore.exe
PID 1164 wrote to memory of 748	1164	SPELIST0120Dec-130073_164300887Spec_Pdf.exe	iexplore.exe
PID 1164 wrote to memory of 748	1164	SPELIST0120Dec-130073_164300887Spec_Pdf.exe	iexplore.exe
PID 1164 wrote to memory of 748	1164	SPELIST0120Dec-130073_164300887Spec_Pdf.exe	iexplore.exe
PID 1164 wrote to memory of 748	1164	SPELIST0120Dec-130073_164300887Spec_Pdf.exe	iexplore.exe
PID 1164 wrote to memory of 748	1164	SPELIST0120Dec-130073_164300887Spec_Pdf.exe	iexplore.exe
PID 1164 wrote to memory of 748	1164	SPELIST0120Dec-130073_164300887Spec_Pdf.exe	iexplore.exe
PID 1164 wrote to memory of 748	1164	SPELIST0120Dec-130073_164300887Spec_Pdf.exe	iexplore.exe
PID 1164 wrote to memory of 748	1164	SPELIST0120Dec-130073_164300887Spec_Pdf.exe	iexplore.exe
PID 748 wrote to memory of 828	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 828	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 828	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 828	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 828	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 828	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 828	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 828	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 828	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1112	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1112	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1112	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1112	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1112	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1112	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1112	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1112	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1112	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1112	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1664	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1664	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1664	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1664	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1664	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1664	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1664	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1664	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1664	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1664	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1680	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1680	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1680	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1680	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1680	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1680	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1680	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1680	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1680	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1712	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1712	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1712	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1712	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1712	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1712	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1712	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1712	748	iexplore.exe	iexplore.exe
PID 748 wrote to memory of 1712	748	iexplore.exe	iexplore.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

SPELIST0120Dec-130073_164300887Spec_Pdf.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	SPELIST0120Dec-130073_164300887Spec_Pdf.exe

C:\Users\Admin\AppData\Local\Temp\SPELIST0120Dec-130073_164300887Spec_Pdf.exe
"C:\Users\Admin\AppData\Local\Temp\SPELIST0120Dec-130073_164300887Spec_Pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1452

C:\Users\Admin\AppData\Local\Temp\SPELIST0120Dec-130073_164300887Spec_Pdf.exe
"C:\Users\Admin\AppData\Local\Temp\SPELIST0120Dec-130073_164300887Spec_Pdf.exe"
2⤵
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1164

C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Users\Admin\AppData\Local\Temp\SPELIST0120Dec-130073_164300887Spec_Pdf.exe
3⤵
- Adds policy Run key to start application
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:748

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\N3S8L5W2-L0D7-N6R5-I1X3-I7P6I3R8E6E5\npzhquaks0.txt"
4⤵
- Suspicious use of AdjustPrivilegeToken
PID:828

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\N3S8L5W2-L0D7-N6R5-I1X3-I7P6I3R8E6E5\npzhquaks1.txt"
4⤵
- Accesses Microsoft Outlook accounts
PID:1112

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\N3S8L5W2-L0D7-N6R5-I1X3-I7P6I3R8E6E5\npzhquaks2.txt"
4⤵
PID:1664

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\N3S8L5W2-L0D7-N6R5-I1X3-I7P6I3R8E6E5\npzhquaks3.txt"
4⤵
PID:1680

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\N3S8L5W2-L0D7-N6R5-I1X3-I7P6I3R8E6E5\npzhquaks4.txt"
4⤵
PID:1712

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

2

T1060

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\N3S8L5W2-L0D7-N6R5-I1X3-I7P6I3R8E6E5\npzhquaks2.txt
MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
C:\Users\Admin\AppData\Roaming\N3S8L5W2-L0D7-N6R5-I1X3-I7P6I3R8E6E5\npzhquaks4.txt
MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/748-67-0x0000000000401364-mapping.dmp

Download
memory/828-68-0x0000000000423BC0-mapping.dmp

Download
memory/1112-69-0x0000000000411654-mapping.dmp

Download
memory/1164-65-0x0000000000080000-0x0000000000086000-memory.dmp

Filesize
24KB

Download
memory/1164-61-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1164-60-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1164-63-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1164-64-0x00000000004010B8-mapping.dmp

Download
memory/1164-62-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/1164-66-0x0000000000080000-0x000000000008A000-memory.dmp

Filesize
40KB

Download
memory/1452-54-0x00000000013D0000-0x00000000013D1000-memory.dmp

Filesize
4KB

Download
memory/1452-59-0x0000000005D20000-0x0000000005E39000-memory.dmp

Filesize
1.1MB

Download
memory/1452-58-0x00000000005F0000-0x00000000005F8000-memory.dmp

Filesize
32KB

Download
memory/1452-57-0x0000000001390000-0x0000000001391000-memory.dmp

Filesize
4KB

Download
memory/1452-56-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

Filesize
8KB

Download
memory/1664-70-0x0000000000442F04-mapping.dmp

Download
memory/1680-72-0x0000000000413750-mapping.dmp

Download
memory/1712-73-0x000000000040C2A8-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads