264d6866d534205d35dcbbb2e5f031440f5580ae97d0eec657477f957039126a

General

Target

TSTS 0005A.exe
Size

922KB
MD5

b195643d6d8c3f81c7409533ad14726c
SHA1

c09b56928fb1f448ed9b3610a0b930f77e2ebcfe
SHA256

f4eaa74eb268a58cff6f5d37607758bd49cc00af060da799857ae10cfd59efb2
SHA512

b843153f581be5a77b8575cf09e25333d5eaf5af3b689441ad0af336c4494a6181d5882dfa8b2ba2d90acb64cd3db9ab26f1cf87e1991f996d26cbb6990c5fb8
SSDEEP

24576:JgjHr6DLW5Gaxs00MUVXdtS6seDmw+Op8lCua51:WrpDxclG65mg8lCuo

Score

9^/10

Malware Config

Signatures

Detects executables packed with SmartAssembly 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2144-3-0x0000000001D40000-0x0000000001D50000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly
behavioral1/memory/2144-4-0x0000000001D60000-0x0000000001D6C000-memory.dmp	INDICATOR_EXE_Packed_SmartAssembly

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task/Job
T1053

Processes:

schtasks.exe

pid process

2608 schtasks.exe

pid	process
2608	schtasks.exe

Suspicious behavior: EnumeratesProcesses 11 IoCs

Processes:

TSTS 0005A.exepowershell.exe

pid	process
2144	TSTS 0005A.exe
2144	TSTS 0005A.exe
2144	TSTS 0005A.exe
2144	TSTS 0005A.exe
2144	TSTS 0005A.exe
2144	TSTS 0005A.exe
2144	TSTS 0005A.exe
2144	TSTS 0005A.exe
2144	TSTS 0005A.exe
2144	TSTS 0005A.exe
2732	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

TSTS 0005A.exepowershell.exe

description pid process

Token: SeDebugPrivilege 2144 TSTS 0005A.exe
Token: SeDebugPrivilege 2732 powershell.exe

description	pid	process
Token: SeDebugPrivilege	2144	TSTS 0005A.exe
Token: SeDebugPrivilege	2732	powershell.exe

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

TSTS 0005A.exe

description	pid	process	target process
PID 2144 wrote to memory of 2732	2144	TSTS 0005A.exe	powershell.exe
PID 2144 wrote to memory of 2732	2144	TSTS 0005A.exe	powershell.exe
PID 2144 wrote to memory of 2732	2144	TSTS 0005A.exe	powershell.exe
PID 2144 wrote to memory of 2732	2144	TSTS 0005A.exe	powershell.exe
PID 2144 wrote to memory of 2608	2144	TSTS 0005A.exe	schtasks.exe
PID 2144 wrote to memory of 2608	2144	TSTS 0005A.exe	schtasks.exe
PID 2144 wrote to memory of 2608	2144	TSTS 0005A.exe	schtasks.exe
PID 2144 wrote to memory of 2608	2144	TSTS 0005A.exe	schtasks.exe
PID 2144 wrote to memory of 1720	2144	TSTS 0005A.exe	TSTS 0005A.exe
PID 2144 wrote to memory of 1720	2144	TSTS 0005A.exe	TSTS 0005A.exe
PID 2144 wrote to memory of 1720	2144	TSTS 0005A.exe	TSTS 0005A.exe
PID 2144 wrote to memory of 1720	2144	TSTS 0005A.exe	TSTS 0005A.exe
PID 2144 wrote to memory of 2452	2144	TSTS 0005A.exe	TSTS 0005A.exe
PID 2144 wrote to memory of 2452	2144	TSTS 0005A.exe	TSTS 0005A.exe
PID 2144 wrote to memory of 2452	2144	TSTS 0005A.exe	TSTS 0005A.exe
PID 2144 wrote to memory of 2452	2144	TSTS 0005A.exe	TSTS 0005A.exe
PID 2144 wrote to memory of 2448	2144	TSTS 0005A.exe	TSTS 0005A.exe
PID 2144 wrote to memory of 2448	2144	TSTS 0005A.exe	TSTS 0005A.exe
PID 2144 wrote to memory of 2448	2144	TSTS 0005A.exe	TSTS 0005A.exe
PID 2144 wrote to memory of 2448	2144	TSTS 0005A.exe	TSTS 0005A.exe
PID 2144 wrote to memory of 2468	2144	TSTS 0005A.exe	TSTS 0005A.exe
PID 2144 wrote to memory of 2468	2144	TSTS 0005A.exe	TSTS 0005A.exe
PID 2144 wrote to memory of 2468	2144	TSTS 0005A.exe	TSTS 0005A.exe
PID 2144 wrote to memory of 2468	2144	TSTS 0005A.exe	TSTS 0005A.exe
PID 2144 wrote to memory of 2484	2144	TSTS 0005A.exe	TSTS 0005A.exe
PID 2144 wrote to memory of 2484	2144	TSTS 0005A.exe	TSTS 0005A.exe
PID 2144 wrote to memory of 2484	2144	TSTS 0005A.exe	TSTS 0005A.exe
PID 2144 wrote to memory of 2484	2144	TSTS 0005A.exe	TSTS 0005A.exe

C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe
"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2144

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\vcEDbAjawlTHE.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2732

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\vcEDbAjawlTHE" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9DB6.tmp"
2⤵
- Creates scheduled task(s)
PID:2608

C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe
"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"
2⤵
PID:1720

C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe
"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"
2⤵
PID:2452

C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe
"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"
2⤵
PID:2448

C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe
"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"
2⤵
PID:2468

C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe
"C:\Users\Admin\AppData\Local\Temp\TSTS 0005A.exe"
2⤵
PID:2484

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9DB6.tmp
Filesize
1KB

MD5
17052790e32d50230c2c3fc13ddaac9c

SHA1
0371dff5deae34fe2eda04fd0a1024cccacaf6e5

SHA256
cdb7aa026e8d4d4b51131b9e109d9ad02d54355086ac75ef6b683f1c8e9c2654

SHA512
810c68bc7e4a42d0d4b18f0620e4d1125f8865e700f03bf71d166f69faab2ce334665d4f5fefc746318c80022427e490548430ac06869a3e13b7c4dd8a0e3b3a

Download Submit
memory/2144-3-0x0000000001D40000-0x0000000001D50000-memory.dmp

Filesize
64KB

Download
memory/2144-2-0x0000000004D10000-0x0000000004D50000-memory.dmp

Filesize
256KB

Download
memory/2144-0-0x0000000000350000-0x0000000000438000-memory.dmp

Filesize
928KB

Download
memory/2144-4-0x0000000001D60000-0x0000000001D6C000-memory.dmp

Filesize
48KB

Download
memory/2144-5-0x0000000005110000-0x00000000051D0000-memory.dmp

Filesize
768KB

Download
memory/2144-1-0x0000000073BD0000-0x00000000742BE000-memory.dmp

Filesize
6.9MB

Download
memory/2144-11-0x0000000073BD0000-0x00000000742BE000-memory.dmp

Filesize
6.9MB

Download
memory/2144-14-0x0000000073BD0000-0x00000000742BE000-memory.dmp

Filesize
6.9MB

Download
memory/2732-15-0x000000006E350000-0x000000006E8FB000-memory.dmp

Filesize
5.7MB

Download
memory/2732-16-0x000000006E350000-0x000000006E8FB000-memory.dmp

Filesize
5.7MB

Download
memory/2732-17-0x0000000002790000-0x00000000027D0000-memory.dmp

Filesize
256KB

Download
memory/2732-18-0x0000000002790000-0x00000000027D0000-memory.dmp

Filesize
256KB

Download
memory/2732-19-0x000000006E350000-0x000000006E8FB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads