tinba | 16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801

General

Target

16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801.exe
Size

110KB
MD5

171263df5f4c6155a81f82c117236fc4
SHA1

6035e4b5be33fc5553fba93de7d14e0716b0c04f
SHA256

16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801
SHA512

12f3464374716046339058217cb89ad99194a110c5811d6c27d0c3425006fc14035c1efbe807a6d645f57e96a07a20302ded65427fa74ab4b3ee395630440915
SSDEEP

1536:CiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:CiyvRmDLs/ZrwWJjAqGcRJ2hg

Score

10^/10

tinba banker discovery persistence trojan upx

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker tinba
Tinba family
tinba

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\48B9E7AA = "C:\\Users\\Admin\\AppData\\Roaming\\48B9E7AA\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2896-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4976	928	WerFault.exe	87

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
928	winver.exe
928	winver.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3392	Explorer.EXE
Token: SeCreatePagefilePrivilege	3392	Explorer.EXE
Token: SeShutdownPrivilege	3392	Explorer.EXE
Token: SeCreatePagefilePrivilege	3392	Explorer.EXE
Token: SeShutdownPrivilege	3392	Explorer.EXE
Token: SeCreatePagefilePrivilege	3392	Explorer.EXE
Token: SeShutdownPrivilege	3392	Explorer.EXE
Token: SeCreatePagefilePrivilege	3392	Explorer.EXE
Token: SeShutdownPrivilege	3392	Explorer.EXE
Token: SeCreatePagefilePrivilege	3392	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
928	winver.exe
3392	Explorer.EXE
3392	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3392	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2896 wrote to memory of 928	2896	16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801.exe	87
PID 2896 wrote to memory of 928	2896	16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801.exe	87
PID 2896 wrote to memory of 928	2896	16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801.exe	87
PID 2896 wrote to memory of 928	2896	16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801.exe	87
PID 928 wrote to memory of 3392	928	winver.exe	56
PID 928 wrote to memory of 2648	928	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2648

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3392
- C:\Users\Admin\AppData\Local\Temp\16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801.exe
  "C:\Users\Admin\AppData\Local\Temp\16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2896
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:928
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 928 -s 352
      4⤵
      Program crash
      PID:4976

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 928 -ip 928
1⤵
PID:2116

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/928-5-0x0000000077D32000-0x0000000077D33000-memory.dmp

Filesize
4KB

Download
memory/928-17-0x0000000000F80000-0x0000000000F86000-memory.dmp

Filesize
24KB

Download
memory/928-14-0x0000000000F80000-0x0000000000F86000-memory.dmp

Filesize
24KB

Download
memory/928-7-0x00007FFE76AD0000-0x00007FFE76CC5000-memory.dmp

Filesize
2.0MB

Download
memory/2648-19-0x00007FFE76CF0000-0x00007FFE76CF1000-memory.dmp

Filesize
4KB

Download
memory/2648-16-0x0000000000720000-0x0000000000726000-memory.dmp

Filesize
24KB

Download
memory/2896-4-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/2896-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2896-10-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/2896-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2896-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/3392-6-0x00007FFE76B6D000-0x00007FFE76B6E000-memory.dmp

Filesize
4KB

Download
memory/3392-11-0x00007FFE76D00000-0x00007FFE76D01000-memory.dmp

Filesize
4KB

Download
memory/3392-12-0x00007FFE76CE0000-0x00007FFE76CE1000-memory.dmp

Filesize
4KB

Download
memory/3392-2-0x0000000001360000-0x0000000001366000-memory.dmp

Filesize
24KB

Download
memory/3392-3-0x0000000001360000-0x0000000001366000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads