xpertrat | 4249f5106c811376877169cfb829b5274dc840e6487e34c690c0e6511a8149d1

General

Target

5f38c61d58d0d5522178242d87339de0.exe
Size

531KB
MD5

5f38c61d58d0d5522178242d87339de0
SHA1

98a281508114a6af38e4a4df1d5c0b14e1d20287
SHA256

4249f5106c811376877169cfb829b5274dc840e6487e34c690c0e6511a8149d1
SHA512

ef8477aa4f80211dfad3a7935ce059b584c269a7d85210e38bcc372b8b2b6bc62d13ad2dda67b82dfb727b91a3dcc06f63580201ac18fa0f7589572a5b7d615b

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
Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

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\R0W4O1A8-P5N3-X331-D1M0-B2W4Q6D8D2R6 = "C:\\Users\\Admin\\AppData\\Roaming\\R0W4O1A8-P5N3-X331-D1M0-B2W4Q6D8D2R6\\R0W4O1A8-P5N3-X331-D1M0-B2W4Q6D8D2R6.exe"	iexplore.exe

Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

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:

5f38c61d58d0d5522178242d87339de0.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	5f38c61d58d0d5522178242d87339de0.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	5f38c61d58d0d5522178242d87339de0.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

5f38c61d58d0d5522178242d87339de0.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0"	5f38c61d58d0d5522178242d87339de0.exe

Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs

collection

Email Collection

T1114

Processes:

iexplore.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\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\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run\R0W4O1A8-P5N3-X331-D1M0-B2W4Q6D8D2R6 = "C:\\Users\\Admin\\AppData\\Roaming\\R0W4O1A8-P5N3-X331-D1M0-B2W4Q6D8D2R6\\R0W4O1A8-P5N3-X331-D1M0-B2W4Q6D8D2R6.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\R0W4O1A8-P5N3-X331-D1M0-B2W4Q6D8D2R6 = "C:\\Users\\Admin\\AppData\\Roaming\\R0W4O1A8-P5N3-X331-D1M0-B2W4Q6D8D2R6\\R0W4O1A8-P5N3-X331-D1M0-B2W4Q6D8D2R6.exe"	iexplore.exe
Key created	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	iexplore.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

5f38c61d58d0d5522178242d87339de0.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	5f38c61d58d0d5522178242d87339de0.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:

5f38c61d58d0d5522178242d87339de0.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum\0	5f38c61d58d0d5522178242d87339de0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	5f38c61d58d0d5522178242d87339de0.exe

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

3360 928 WerFault.exe iexplore.exe
1192 2404 WerFault.exe iexplore.exe

pid	pid_target	process	target process
3360	928	WerFault.exe	iexplore.exe
1192	2404	WerFault.exe	iexplore.exe

Suspicious use of SetThreadContext 9 IoCs

Processes:

5f38c61d58d0d5522178242d87339de0.exe5f38c61d58d0d5522178242d87339de0.exeiexplore.exe

description	pid	process	target process
PID 3772 set thread context of 560	3772	5f38c61d58d0d5522178242d87339de0.exe	5f38c61d58d0d5522178242d87339de0.exe
PID 560 set thread context of 2916	560	5f38c61d58d0d5522178242d87339de0.exe	iexplore.exe
PID 2916 set thread context of 616	2916	iexplore.exe	iexplore.exe
PID 2916 set thread context of 1204	2916	iexplore.exe	iexplore.exe
PID 2916 set thread context of 928	2916	iexplore.exe	iexplore.exe
PID 2916 set thread context of 3220	2916	iexplore.exe	iexplore.exe
PID 2916 set thread context of 904	2916	iexplore.exe	iexplore.exe
PID 2916 set thread context of 2404	2916	iexplore.exe	iexplore.exe
PID 2916 set thread context of 2208	2916	iexplore.exe	iexplore.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

5f38c61d58d0d5522178242d87339de0.exeiexplore.exeiexplore.exe

pid	process
560	5f38c61d58d0d5522178242d87339de0.exe
560	5f38c61d58d0d5522178242d87339de0.exe
560	5f38c61d58d0d5522178242d87339de0.exe
560	5f38c61d58d0d5522178242d87339de0.exe
616	iexplore.exe
616	iexplore.exe
3220	iexplore.exe
3220	iexplore.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

iexplore.exeiexplore.exe

description pid process

Token: SeDebugPrivilege 2916 iexplore.exe
Token: SeDebugPrivilege 616 iexplore.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

5f38c61d58d0d5522178242d87339de0.exeiexplore.exe

pid process

560 5f38c61d58d0d5522178242d87339de0.exe
2916 iexplore.exe

description	pid	process
Token: SeDebugPrivilege	2916	iexplore.exe
Token: SeDebugPrivilege	616	iexplore.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

5f38c61d58d0d5522178242d87339de0.exe5f38c61d58d0d5522178242d87339de0.exeiexplore.exe

description	pid	process	target process
PID 3772 wrote to memory of 560	3772	5f38c61d58d0d5522178242d87339de0.exe	5f38c61d58d0d5522178242d87339de0.exe
PID 3772 wrote to memory of 560	3772	5f38c61d58d0d5522178242d87339de0.exe	5f38c61d58d0d5522178242d87339de0.exe
PID 3772 wrote to memory of 560	3772	5f38c61d58d0d5522178242d87339de0.exe	5f38c61d58d0d5522178242d87339de0.exe
PID 3772 wrote to memory of 560	3772	5f38c61d58d0d5522178242d87339de0.exe	5f38c61d58d0d5522178242d87339de0.exe
PID 3772 wrote to memory of 560	3772	5f38c61d58d0d5522178242d87339de0.exe	5f38c61d58d0d5522178242d87339de0.exe
PID 3772 wrote to memory of 560	3772	5f38c61d58d0d5522178242d87339de0.exe	5f38c61d58d0d5522178242d87339de0.exe
PID 3772 wrote to memory of 560	3772	5f38c61d58d0d5522178242d87339de0.exe	5f38c61d58d0d5522178242d87339de0.exe
PID 560 wrote to memory of 2916	560	5f38c61d58d0d5522178242d87339de0.exe	iexplore.exe
PID 560 wrote to memory of 2916	560	5f38c61d58d0d5522178242d87339de0.exe	iexplore.exe
PID 560 wrote to memory of 2916	560	5f38c61d58d0d5522178242d87339de0.exe	iexplore.exe
PID 560 wrote to memory of 2916	560	5f38c61d58d0d5522178242d87339de0.exe	iexplore.exe
PID 560 wrote to memory of 2916	560	5f38c61d58d0d5522178242d87339de0.exe	iexplore.exe
PID 560 wrote to memory of 2916	560	5f38c61d58d0d5522178242d87339de0.exe	iexplore.exe
PID 560 wrote to memory of 2916	560	5f38c61d58d0d5522178242d87339de0.exe	iexplore.exe
PID 560 wrote to memory of 2916	560	5f38c61d58d0d5522178242d87339de0.exe	iexplore.exe
PID 2916 wrote to memory of 616	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 616	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 616	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 616	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 616	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 616	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 616	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 616	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 1204	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 1204	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 1204	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 1204	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 1204	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 1204	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 1204	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 1204	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 1204	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 928	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 928	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 928	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 928	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 928	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 928	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 928	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 928	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 928	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 3220	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 3220	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 3220	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 3220	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 3220	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 3220	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 3220	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 3220	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 3220	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 904	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 904	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 904	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 904	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 904	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 904	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 904	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 904	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 2404	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 2404	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 2404	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 2404	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 2404	2916	iexplore.exe	iexplore.exe
PID 2916 wrote to memory of 2404	2916	iexplore.exe	iexplore.exe

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

Processes:

5f38c61d58d0d5522178242d87339de0.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	5f38c61d58d0d5522178242d87339de0.exe

C:\Users\Admin\AppData\Local\Temp\5f38c61d58d0d5522178242d87339de0.exe
"C:\Users\Admin\AppData\Local\Temp\5f38c61d58d0d5522178242d87339de0.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3772

C:\Users\Admin\AppData\Local\Temp\5f38c61d58d0d5522178242d87339de0.exe
"C:\Users\Admin\AppData\Local\Temp\5f38c61d58d0d5522178242d87339de0.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:560

C:\Program Files (x86)\Internet Explorer\iexplore.exe
C:\Users\Admin\AppData\Local\Temp\5f38c61d58d0d5522178242d87339de0.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:2916

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\R0W4O1A8-P5N3-X331-D1M0-B2W4Q6D8D2R6\mdyqyvbbr0.txt"
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:616

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\R0W4O1A8-P5N3-X331-D1M0-B2W4Q6D8D2R6\mdyqyvbbr1.txt"
4⤵
- Accesses Microsoft Outlook accounts
PID:1204

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\R0W4O1A8-P5N3-X331-D1M0-B2W4Q6D8D2R6\mdyqyvbbr2.txt"
4⤵
PID:928

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 928 -s 96
5⤵
- Program crash
PID:3360

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\R0W4O1A8-P5N3-X331-D1M0-B2W4Q6D8D2R6\mdyqyvbbr2.txt"
4⤵
- Suspicious behavior: EnumeratesProcesses
PID:3220

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\R0W4O1A8-P5N3-X331-D1M0-B2W4Q6D8D2R6\mdyqyvbbr3.txt"
4⤵
PID:904

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\R0W4O1A8-P5N3-X331-D1M0-B2W4Q6D8D2R6\mdyqyvbbr4.txt"
4⤵
PID:2404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2404 -s 92
5⤵
- Program crash
PID:1192

C:\Program Files (x86)\Internet Explorer\iexplore.exe
/stext "C:\Users\Admin\AppData\Roaming\R0W4O1A8-P5N3-X331-D1M0-B2W4Q6D8D2R6\mdyqyvbbr4.txt"
4⤵
PID:2208

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

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\R0W4O1A8-P5N3-X331-D1M0-B2W4Q6D8D2R6\mdyqyvbbr2.txt
MD5
f94dc819ca773f1e3cb27abbc9e7fa27

SHA1
9a7700efadc5ea09ab288544ef1e3cd876255086

SHA256
a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

SHA512
72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

Download Submit
C:\Users\Admin\AppData\Roaming\R0W4O1A8-P5N3-X331-D1M0-B2W4Q6D8D2R6\mdyqyvbbr4.txt
MD5
f3b25701fe362ec84616a93a45ce9998

SHA1
d62636d8caec13f04e28442a0a6fa1afeb024bbb

SHA256
b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

SHA512
98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Download Submit
memory/560-126-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/560-131-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download
memory/560-129-0x0000000000FE0000-0x0000000000FEA000-memory.dmp

Filesize
40KB

Download
memory/560-128-0x0000000000FE0000-0x0000000000FE6000-memory.dmp

Filesize
24KB

Download
memory/560-127-0x00000000004010B8-mapping.dmp

Download
memory/616-132-0x0000000000423BC0-mapping.dmp

Download
memory/904-137-0x0000000000413750-mapping.dmp

Download
memory/928-134-0x0000000000442F04-mapping.dmp

Download
memory/1204-133-0x0000000000411654-mapping.dmp

Download
memory/2208-139-0x000000000040C2A8-mapping.dmp

Download
memory/2404-138-0x000000000040C2A8-mapping.dmp

Download
memory/2916-130-0x0000000000401364-mapping.dmp

Download
memory/3220-135-0x0000000000442F04-mapping.dmp

Download
memory/3772-122-0x0000000005D70000-0x0000000005D78000-memory.dmp

Filesize
32KB

Download
memory/3772-120-0x0000000005730000-0x0000000005731000-memory.dmp

Filesize
4KB

Download
memory/3772-121-0x0000000008D90000-0x0000000008D91000-memory.dmp

Filesize
4KB

Download
memory/3772-115-0x0000000000E80000-0x0000000000E81000-memory.dmp

Filesize
4KB

Download
memory/3772-125-0x00000000092A0000-0x00000000092A1000-memory.dmp

Filesize
4KB

Download
memory/3772-119-0x0000000005700000-0x0000000005792000-memory.dmp

Filesize
584KB

Download
memory/3772-118-0x00000000057A0000-0x00000000057A1000-memory.dmp

Filesize
4KB

Download
memory/3772-123-0x0000000008CF0000-0x0000000008CF1000-memory.dmp

Filesize
4KB

Download
memory/3772-124-0x00000000091D0000-0x000000000922B000-memory.dmp

Filesize
364KB

Download
memory/3772-117-0x0000000005DA0000-0x0000000005DA1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads