tinba | 5a286d50400f87b087da17dcd123ad1115819e7ee8fc116fe0d7326d256f849a

General

Target

5a286d50400f87b087da17dcd123ad1115819e7ee8fc116fe0d7326d256f849a.exe
Size

45KB
MD5

5f12a668ffc0efe34046ebfb66d72689
SHA1

0f74fe9bd6682860bd6d79deb476bb52c03fde71
SHA256

5a286d50400f87b087da17dcd123ad1115819e7ee8fc116fe0d7326d256f849a
SHA512

fa33bce7d561a81b9cb9175b7d9eb49a062a77737ece403d136b96d9624b358f534254d645aa06fa95d9cff55d262d1f6e475e91e111d257c6978ffb3646a53f
SSDEEP

768:0hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2l:4sWE9N5dFu53dsniQaB/xZ14n7zIF+qp

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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\F254152A = "C:\\Users\\Admin\\AppData\\Roaming\\F254152A\\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/2496-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4920	1876	WerFault.exe	86

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	5a286d50400f87b087da17dcd123ad1115819e7ee8fc116fe0d7326d256f849a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1876	winver.exe
1876	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1876	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3452	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 1876	2496	5a286d50400f87b087da17dcd123ad1115819e7ee8fc116fe0d7326d256f849a.exe	86
PID 2496 wrote to memory of 1876	2496	5a286d50400f87b087da17dcd123ad1115819e7ee8fc116fe0d7326d256f849a.exe	86
PID 2496 wrote to memory of 1876	2496	5a286d50400f87b087da17dcd123ad1115819e7ee8fc116fe0d7326d256f849a.exe	86
PID 2496 wrote to memory of 1876	2496	5a286d50400f87b087da17dcd123ad1115819e7ee8fc116fe0d7326d256f849a.exe	86
PID 1876 wrote to memory of 3452	1876	winver.exe	56
PID 1876 wrote to memory of 2668	1876	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2668

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3452
- C:\Users\Admin\AppData\Local\Temp\5a286d50400f87b087da17dcd123ad1115819e7ee8fc116fe0d7326d256f849a.exe
  "C:\Users\Admin\AppData\Local\Temp\5a286d50400f87b087da17dcd123ad1115819e7ee8fc116fe0d7326d256f849a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2496
- - 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:1876
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1876 -s 352
      4⤵
      Program crash
      PID:4920

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1876 -ip 1876
1⤵
PID:2648

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

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Downloads

memory/1876-5-0x0000000077652000-0x0000000077653000-memory.dmp

Filesize
4KB

Download
memory/1876-17-0x0000000000A60000-0x0000000000A66000-memory.dmp

Filesize
24KB

Download
memory/1876-14-0x0000000000A60000-0x0000000000A66000-memory.dmp

Filesize
24KB

Download
memory/1876-8-0x00007FF9FC910000-0x00007FF9FCB05000-memory.dmp

Filesize
2.0MB

Download
memory/2496-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/2496-4-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/2496-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2496-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2496-11-0x0000000002240000-0x0000000002C40000-memory.dmp

Filesize
10.0MB

Download
memory/2668-16-0x0000000000CE0000-0x0000000000CE6000-memory.dmp

Filesize
24KB

Download
memory/3452-6-0x00007FF9FC9AD000-0x00007FF9FC9AE000-memory.dmp

Filesize
4KB

Download
memory/3452-7-0x00007FF9FC9AC000-0x00007FF9FC9AD000-memory.dmp

Filesize
4KB

Download
memory/3452-12-0x00007FF9FCB40000-0x00007FF9FCB41000-memory.dmp

Filesize
4KB

Download
memory/3452-3-0x0000000001260000-0x0000000001266000-memory.dmp

Filesize
24KB

Download
memory/3452-2-0x0000000001260000-0x0000000001266000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads