xpertrat | ac0f87add6a605e555dc559282160c2ef708ca2fecc0799442c361c2f37f6828

General

Target

INVNOVPAY30002021001199554Pay5443545632211000.exe
Size

1.7MB
MD5

b139dd38b0aaa785c555310ac2b1c3fd
SHA1

5873995badb3843e97bf6cfe87bcd283c30fb393
SHA256

ac0f87add6a605e555dc559282160c2ef708ca2fecc0799442c361c2f37f6828
SHA512

ea5d759be0547822763607133d3c43ae44fa9f5a5b55ea3ff4456b37152a5243e9911162debb6422473ef0e81c4d33bb0ca7d4c4a978d600beccfa7850c23ecf

Score

10^/10

xpertrat collection evasion persistence rat suricata 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
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata

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

Downloads MZ/PE file

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

INVNOVPAY30002021001199554Pay5443545632211000.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0"	INVNOVPAY30002021001199554Pay5443545632211000.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

iexplore.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\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
Key created	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iexplore.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1042495040-510797905-2613508344-1000\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
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

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

INVNOVPAY30002021001199554Pay5443545632211000.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	INVNOVPAY30002021001199554Pay5443545632211000.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2792 3580 WerFault.exe iexplore.exe

pid	pid_target	process	target process
2792	3580	WerFault.exe	iexplore.exe

Suspicious use of SetThreadContext 8 IoCs

Processes:

INVNOVPAY30002021001199554Pay5443545632211000.exeINVNOVPAY30002021001199554Pay5443545632211000.exeiexplore.exe

description	pid	process	target process
PID 3120 set thread context of 944	3120	INVNOVPAY30002021001199554Pay5443545632211000.exe	INVNOVPAY30002021001199554Pay5443545632211000.exe
PID 944 set thread context of 864	944	INVNOVPAY30002021001199554Pay5443545632211000.exe	iexplore.exe
PID 864 set thread context of 3972	864	iexplore.exe	iexplore.exe
PID 864 set thread context of 4064	864	iexplore.exe	iexplore.exe
PID 864 set thread context of 3580	864	iexplore.exe	iexplore.exe
PID 864 set thread context of 1432	864	iexplore.exe	iexplore.exe
PID 864 set thread context of 892	864	iexplore.exe	iexplore.exe
PID 864 set thread context of 1112	864	iexplore.exe	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

INVNOVPAY30002021001199554Pay5443545632211000.exeiexplore.exeiexplore.exe

pid	process
944	INVNOVPAY30002021001199554Pay5443545632211000.exe
944	INVNOVPAY30002021001199554Pay5443545632211000.exe
944	INVNOVPAY30002021001199554Pay5443545632211000.exe
944	INVNOVPAY30002021001199554Pay5443545632211000.exe
3972	iexplore.exe
3972	iexplore.exe
1432	iexplore.exe
1432	iexplore.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

INVNOVPAY30002021001199554Pay5443545632211000.exeiexplore.exeiexplore.exe

description	pid	process
Token: SeDebugPrivilege	3120	INVNOVPAY30002021001199554Pay5443545632211000.exe
Token: SeDebugPrivilege	864	iexplore.exe
Token: SeDebugPrivilege	3972	iexplore.exe

Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

INVNOVPAY30002021001199554Pay5443545632211000.exeiexplore.exe

pid process

944 INVNOVPAY30002021001199554Pay5443545632211000.exe
864 iexplore.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

INVNOVPAY30002021001199554Pay5443545632211000.exeINVNOVPAY30002021001199554Pay5443545632211000.exeiexplore.exe

description	pid	process	target process
PID 3120 wrote to memory of 944	3120	INVNOVPAY30002021001199554Pay5443545632211000.exe	INVNOVPAY30002021001199554Pay5443545632211000.exe
PID 3120 wrote to memory of 944	3120	INVNOVPAY30002021001199554Pay5443545632211000.exe	INVNOVPAY30002021001199554Pay5443545632211000.exe
PID 3120 wrote to memory of 944	3120	INVNOVPAY30002021001199554Pay5443545632211000.exe	INVNOVPAY30002021001199554Pay5443545632211000.exe
PID 3120 wrote to memory of 944	3120	INVNOVPAY30002021001199554Pay5443545632211000.exe	INVNOVPAY30002021001199554Pay5443545632211000.exe
PID 3120 wrote to memory of 944	3120	INVNOVPAY30002021001199554Pay5443545632211000.exe	INVNOVPAY30002021001199554Pay5443545632211000.exe
PID 3120 wrote to memory of 944	3120	INVNOVPAY30002021001199554Pay5443545632211000.exe	INVNOVPAY30002021001199554Pay5443545632211000.exe
PID 3120 wrote to memory of 944	3120	INVNOVPAY30002021001199554Pay5443545632211000.exe	INVNOVPAY30002021001199554Pay5443545632211000.exe
PID 944 wrote to memory of 864	944	INVNOVPAY30002021001199554Pay5443545632211000.exe	iexplore.exe
PID 944 wrote to memory of 864	944	INVNOVPAY30002021001199554Pay5443545632211000.exe	iexplore.exe
PID 944 wrote to memory of 864	944	INVNOVPAY30002021001199554Pay5443545632211000.exe	iexplore.exe
PID 944 wrote to memory of 864	944	INVNOVPAY30002021001199554Pay5443545632211000.exe	iexplore.exe
PID 944 wrote to memory of 864	944	INVNOVPAY30002021001199554Pay5443545632211000.exe	iexplore.exe
PID 944 wrote to memory of 864	944	INVNOVPAY30002021001199554Pay5443545632211000.exe	iexplore.exe
PID 944 wrote to memory of 864	944	INVNOVPAY30002021001199554Pay5443545632211000.exe	iexplore.exe
PID 944 wrote to memory of 864	944	INVNOVPAY30002021001199554Pay5443545632211000.exe	iexplore.exe
PID 864 wrote to memory of 3972	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 3972	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 3972	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 3972	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 3972	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 3972	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 3972	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 3972	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 4064	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 4064	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 4064	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 4064	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 4064	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 4064	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 4064	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 4064	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 4064	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 3580	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 3580	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 3580	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 3580	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 3580	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 3580	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 3580	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 3580	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 3580	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 1432	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 1432	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 1432	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 1432	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 1432	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 1432	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 1432	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 1432	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 1432	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 892	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 892	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 892	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 892	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 892	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 892	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 892	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 892	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 1112	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 1112	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 1112	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 1112	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 1112	864	iexplore.exe	iexplore.exe
PID 864 wrote to memory of 1112	864	iexplore.exe	iexplore.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

INVNOVPAY30002021001199554Pay5443545632211000.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	INVNOVPAY30002021001199554Pay5443545632211000.exe

C:\Users\Admin\AppData\Local\Temp\INVNOVPAY30002021001199554Pay5443545632211000.exe
"C:\Users\Admin\AppData\Local\Temp\INVNOVPAY30002021001199554Pay5443545632211000.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3120
- C:\Users\Admin\AppData\Local\Temp\INVNOVPAY30002021001199554Pay5443545632211000.exe
  "C:\Users\Admin\AppData\Local\Temp\INVNOVPAY30002021001199554Pay5443545632211000.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:944
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    C:\Users\Admin\AppData\Local\Temp\INVNOVPAY30002021001199554Pay5443545632211000.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:864
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      /stext "C:\Users\Admin\AppData\Roaming\N3S8L5W2-L0D7-N6R5-I1X3-I7P6I3R8E6E5\mvrbxlskl0.txt"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3972
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      /stext "C:\Users\Admin\AppData\Roaming\N3S8L5W2-L0D7-N6R5-I1X3-I7P6I3R8E6E5\mvrbxlskl1.txt"
      4⤵
      Accesses Microsoft Outlook accounts
      PID:4064
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      /stext "C:\Users\Admin\AppData\Roaming\N3S8L5W2-L0D7-N6R5-I1X3-I7P6I3R8E6E5\mvrbxlskl2.txt"
      4⤵
      PID:3580
    - - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3580 -s 92
        5⤵
        Program crash
        
        PID:2792
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      /stext "C:\Users\Admin\AppData\Roaming\N3S8L5W2-L0D7-N6R5-I1X3-I7P6I3R8E6E5\mvrbxlskl2.txt"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      PID:1432
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      /stext "C:\Users\Admin\AppData\Roaming\N3S8L5W2-L0D7-N6R5-I1X3-I7P6I3R8E6E5\mvrbxlskl3.txt"
      4⤵
      PID:892
  - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
      /stext "C:\Users\Admin\AppData\Roaming\N3S8L5W2-L0D7-N6R5-I1X3-I7P6I3R8E6E5\mvrbxlskl4.txt"
      4⤵
      PID:1112

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\mvrbxlskl2.txt

MD5
f94dc819ca773f1e3cb27abbc9e7fa27

SHA1
9a7700efadc5ea09ab288544ef1e3cd876255086

SHA256
a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

SHA512
72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

Download Submit
C:\Users\Admin\AppData\Roaming\N3S8L5W2-L0D7-N6R5-I1X3-I7P6I3R8E6E5\mvrbxlskl4.txt

MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/864-130-0x0000000000401364-mapping.dmp

Download
memory/892-137-0x0000000000413750-mapping.dmp

Download
memory/944-131-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/944-126-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/944-127-0x00000000004010B8-mapping.dmp

Download
memory/944-128-0x0000000001370000-0x0000000001376000-memory.dmp

Filesize
24KB

Download
memory/944-129-0x0000000001370000-0x000000000137A000-memory.dmp

Filesize
40KB

Download
memory/1112-138-0x000000000040C2A8-mapping.dmp

Download
memory/1432-135-0x0000000000442F04-mapping.dmp

Download
memory/3120-124-0x0000000005BF0000-0x00000000060EE000-memory.dmp

Filesize
5.0MB

Download
memory/3120-125-0x0000000009D30000-0x0000000009D82000-memory.dmp

Filesize
328KB

Download
memory/3120-118-0x0000000000F90000-0x0000000000F91000-memory.dmp

Filesize
4KB

Download
memory/3120-123-0x0000000005BF0000-0x00000000060EE000-memory.dmp

Filesize
5.0MB

Download
memory/3120-122-0x0000000005AC0000-0x0000000005AC1000-memory.dmp

Filesize
4KB

Download
memory/3120-121-0x0000000005AE0000-0x0000000005AE1000-memory.dmp

Filesize
4KB

Download
memory/3120-120-0x00000000060F0000-0x00000000060F1000-memory.dmp

Filesize
4KB

Download
memory/3580-134-0x0000000000442F04-mapping.dmp

Download
memory/3972-132-0x0000000000423BC0-mapping.dmp

Download
memory/4064-133-0x0000000000411654-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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