tinba | 8525d41164c34fec50e9e7075cfdbfafa4e8413a72a430a2517499e0772fd257

General

Target

ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa.exe
Size

96KB
MD5

4d943e11191eac4f61834e3c9f9a0168
SHA1

2fedc1de71f27d21f0924683191cf826be90e594
SHA256

ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa
SHA512

a648ac664ef4ef373dcd1db193acd79bacaef2ec38c0d4869d8220e5cfdf71003130da61b8c501a514cbe95a3db4cd7c0218cefeaab1e8a9e3e66bc3664b4e2b
SSDEEP

1536:ciLOvRmmQegJW3aOgBbmAQ256/ZrwWnwqjhurmKFct:ciyvRmQKTLs/ZrwWJjAqGct

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

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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2207DABD = "C:\\Users\\Admin\\AppData\\Roaming\\2207DABD\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3272	3384	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	ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3384	winver.exe
3384	winver.exe

Suspicious use of AdjustPrivilegeToken 26 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3384	winver.exe
3472	Explorer.EXE
3472	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3472	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 448 wrote to memory of 3384	448	ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa.exe	85
PID 448 wrote to memory of 3384	448	ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa.exe	85
PID 448 wrote to memory of 3384	448	ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa.exe	85
PID 448 wrote to memory of 3384	448	ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa.exe	85
PID 3384 wrote to memory of 3472	3384	winver.exe	56
PID 3384 wrote to memory of 2640	3384	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2640

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:3472
- C:\Users\Admin\AppData\Local\Temp\ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa.exe
  "C:\Users\Admin\AppData\Local\Temp\ab2a9c294555f8be58430eef220ce3812dc01ca9b3478806464e6f69e491c7aa.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:448
- - 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:3384
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3384 -s 356
      4⤵
      Program crash
      PID:3272

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3384 -ip 3384
1⤵
PID:4428

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

Loading Replay Monitor...

Downloads

memory/448-9-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/448-3-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/448-0-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download
memory/448-10-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/2640-19-0x00007FF983ED0000-0x00007FF983ED1000-memory.dmp

Filesize
4KB

Download
memory/2640-18-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download
memory/2640-15-0x0000000000CD0000-0x0000000000CD6000-memory.dmp

Filesize
24KB

Download
memory/3384-4-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download
memory/3384-7-0x00007FF983CB0000-0x00007FF983EA5000-memory.dmp

Filesize
2.0MB

Download
memory/3384-5-0x00000000771C2000-0x00000000771C3000-memory.dmp

Filesize
4KB

Download
memory/3384-16-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download
memory/3472-8-0x00007FF983EE0000-0x00007FF983EE1000-memory.dmp

Filesize
4KB

Download
memory/3472-11-0x00007FF983EC0000-0x00007FF983EC1000-memory.dmp

Filesize
4KB

Download
memory/3472-6-0x00007FF983D4D000-0x00007FF983D4E000-memory.dmp

Filesize
4KB

Download
memory/3472-1-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

Filesize
24KB

Download
memory/3472-2-0x0000000000AD0000-0x0000000000AD6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads