tinba | 62b57336d247afd15551e9eb9fd77a91be5bae248a143a2f22f68acf9c3244b4

General

Target

985eb6a95289fd3bcf89cb46eca092c0N.exe
Size

45KB
MD5

985eb6a95289fd3bcf89cb46eca092c0
SHA1

94820b2797a2ef43192b7699e0986ffdccf01a6f
SHA256

62b57336d247afd15551e9eb9fd77a91be5bae248a143a2f22f68acf9c3244b4
SHA512

9bbc692895bf03d418ce29ec40b18958f2e9c404b18a108cf95e8ac7383eadf938c17ea3f0ecba6de3ac089985aee5b4af33deae0737b220bb70d8598890f2f2
SSDEEP

768:bhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:dsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2236-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\68A8769B = "C:\\Users\\Admin\\AppData\\Roaming\\68A8769B\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2396	3432	WerFault.exe	85

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	985eb6a95289fd3bcf89cb46eca092c0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.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
3432	winver.exe
3432	winver.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3376	Explorer.EXE
Token: SeCreatePagefilePrivilege	3376	Explorer.EXE
Token: SeShutdownPrivilege	3376	Explorer.EXE
Token: SeCreatePagefilePrivilege	3376	Explorer.EXE
Token: SeShutdownPrivilege	3376	Explorer.EXE
Token: SeCreatePagefilePrivilege	3376	Explorer.EXE
Token: SeShutdownPrivilege	3376	Explorer.EXE
Token: SeCreatePagefilePrivilege	3376	Explorer.EXE
Token: SeShutdownPrivilege	3376	Explorer.EXE
Token: SeCreatePagefilePrivilege	3376	Explorer.EXE
Token: SeShutdownPrivilege	3376	Explorer.EXE
Token: SeCreatePagefilePrivilege	3376	Explorer.EXE
Token: SeShutdownPrivilege	3376	Explorer.EXE
Token: SeCreatePagefilePrivilege	3376	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3432	winver.exe
3376	Explorer.EXE
3376	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3376	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2236 wrote to memory of 3432	2236	985eb6a95289fd3bcf89cb46eca092c0N.exe	85
PID 2236 wrote to memory of 3432	2236	985eb6a95289fd3bcf89cb46eca092c0N.exe	85
PID 2236 wrote to memory of 3432	2236	985eb6a95289fd3bcf89cb46eca092c0N.exe	85
PID 2236 wrote to memory of 3432	2236	985eb6a95289fd3bcf89cb46eca092c0N.exe	85
PID 3432 wrote to memory of 3376	3432	winver.exe	56
PID 3432 wrote to memory of 2420	3432	winver.exe	43

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2420

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:3376
- C:\Users\Admin\AppData\Local\Temp\985eb6a95289fd3bcf89cb46eca092c0N.exe
  "C:\Users\Admin\AppData\Local\Temp\985eb6a95289fd3bcf89cb46eca092c0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2236
- - 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:3432
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3432 -s 352
      4⤵
      Program crash
      PID:2396

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3432 -ip 3432
1⤵
PID:4552

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/2236-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2236-1-0x0000000000560000-0x0000000000561000-memory.dmp

Filesize
4KB

Download
memory/2236-4-0x0000000002160000-0x0000000002B60000-memory.dmp

Filesize
10.0MB

Download
memory/2236-10-0x0000000002160000-0x0000000002B60000-memory.dmp

Filesize
10.0MB

Download
memory/2236-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2420-17-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

Filesize
24KB

Download
memory/2420-15-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

Filesize
24KB

Download
memory/3376-8-0x00007FFB70000000-0x00007FFB70001000-memory.dmp

Filesize
4KB

Download
memory/3376-6-0x00007FFB6FE6D000-0x00007FFB6FE6E000-memory.dmp

Filesize
4KB

Download
memory/3376-11-0x00007FFB6FFE0000-0x00007FFB6FFE1000-memory.dmp

Filesize
4KB

Download
memory/3376-2-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/3376-3-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/3432-7-0x00007FFB6FDD0000-0x00007FFB6FFC5000-memory.dmp

Filesize
2.0MB

Download
memory/3432-5-0x0000000077152000-0x0000000077153000-memory.dmp

Filesize
4KB

Download
memory/3432-13-0x0000000002130000-0x0000000002136000-memory.dmp

Filesize
24KB

Download
memory/3432-16-0x0000000002130000-0x0000000002136000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads