tinba | 37b185edabf9b234357abfd588d80345720d25cffd49227fe83ae9dde1ada8ab

Analysis

max time kernel
113s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-01-2025 11:18

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General

Target

37b185edabf9b234357abfd588d80345720d25cffd49227fe83ae9dde1ada8abN.exe
Size

52KB
MD5

e7049f64b6a736f76c727b91dd8627c0
SHA1

efd0d6b23365bafad2fa2a1941eca6da3279118b
SHA256

37b185edabf9b234357abfd588d80345720d25cffd49227fe83ae9dde1ada8ab
SHA512

e4ef352c88c2649ab35fd651b279fa2e19c7b09f4d2dcd655da6eade2048b9420cee7e1394345a930d7fe074bfaee2f8767f9d164ed19816c5b02d49d601e41d
SSDEEP

768:fvC6RMtZNZUXeb4fXDR2JVDDISp8m7DM3pIg4LqTTUUnGg7O1/l9Jq/:DmZNZUXeQXFhS6sM3prUSGg7O1d9Ja

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\B11A4E07 = "C:\\Users\\Admin\\AppData\\Roaming\\B11A4E07\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4556	4088	WerFault.exe	83

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	37b185edabf9b234357abfd588d80345720d25cffd49227fe83ae9dde1ada8abN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4088	winver.exe
4088	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3420	Explorer.EXE
Token: SeCreatePagefilePrivilege	3420	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4088	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1356 wrote to memory of 4088	1356	37b185edabf9b234357abfd588d80345720d25cffd49227fe83ae9dde1ada8abN.exe	83
PID 1356 wrote to memory of 4088	1356	37b185edabf9b234357abfd588d80345720d25cffd49227fe83ae9dde1ada8abN.exe	83
PID 1356 wrote to memory of 4088	1356	37b185edabf9b234357abfd588d80345720d25cffd49227fe83ae9dde1ada8abN.exe	83
PID 1356 wrote to memory of 4088	1356	37b185edabf9b234357abfd588d80345720d25cffd49227fe83ae9dde1ada8abN.exe	83
PID 4088 wrote to memory of 3420	4088	winver.exe	56
PID 4088 wrote to memory of 2848	4088	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2848

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3420
- C:\Users\Admin\AppData\Local\Temp\37b185edabf9b234357abfd588d80345720d25cffd49227fe83ae9dde1ada8abN.exe
  "C:\Users\Admin\AppData\Local\Temp\37b185edabf9b234357abfd588d80345720d25cffd49227fe83ae9dde1ada8abN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1356
- - 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:4088
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4088 -s 352
      4⤵
      Program crash
      PID:4556

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4088 -ip 4088
1⤵
PID:3764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1356-0-0x0000000002150000-0x0000000002151000-memory.dmp

Filesize
4KB

Download
memory/1356-3-0x0000000002340000-0x0000000002D40000-memory.dmp

Filesize
10.0MB

Download
memory/1356-8-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/1356-9-0x0000000002340000-0x0000000002D40000-memory.dmp

Filesize
10.0MB

Download
memory/2848-13-0x0000000000F80000-0x0000000000F86000-memory.dmp

Filesize
24KB

Download
memory/3420-2-0x0000000001220000-0x0000000001226000-memory.dmp

Filesize
24KB

Download
memory/3420-1-0x0000000001220000-0x0000000001226000-memory.dmp

Filesize
24KB

Download
memory/3420-6-0x00007FF9A78CD000-0x00007FF9A78CE000-memory.dmp

Filesize
4KB

Download
memory/4088-5-0x00000000774D2000-0x00000000774D3000-memory.dmp

Filesize
4KB

Download
memory/4088-4-0x0000000001170000-0x0000000001176000-memory.dmp

Filesize
24KB

Download
memory/4088-7-0x00007FF9A7830000-0x00007FF9A7A25000-memory.dmp

Filesize
2.0MB

Download
memory/4088-14-0x0000000001170000-0x0000000001176000-memory.dmp

Filesize
24KB

Download