tinba | 3d8db2fcb6c50c60ee615951ed706a2a9db2faf92795ffb7c76fe2d4e5ac5b5f

General

Target

3d8db2fcb6c50c60ee615951ed706a2a9db2faf92795ffb7c76fe2d4e5ac5b5f.exe
Size

279KB
MD5

4fc46aab1d1c00ecc7ffc2bbe8619eec
SHA1

565d03edbecdd968c29239ef4ab3169b2aae997f
SHA256

3d8db2fcb6c50c60ee615951ed706a2a9db2faf92795ffb7c76fe2d4e5ac5b5f
SHA512

de57ba2dadcdefb91e1e9972c7b8d19bdff3a1b6f8d3640d4d837910e4838d7d69cbd3d88cbc6118f78e8d719234f2fa9e80f4580de64748eb93eadd9571ecb3
SSDEEP

6144:lVKZvIlQ0wfwcl1xMZMlIYwv4IkLXQP2Mds:lVKmG0lA1xMeiYwwIvjds

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\03D0C700 = "C:\\Users\\Admin\\AppData\\Roaming\\03D0C700\\bin.exe"	winver.exe

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	3d8db2fcb6c50c60ee615951ed706a2a9db2faf92795ffb7c76fe2d4e5ac5b5f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 50 IoCs

pid	Process
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2800	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 432 wrote to memory of 2800	432	3d8db2fcb6c50c60ee615951ed706a2a9db2faf92795ffb7c76fe2d4e5ac5b5f.exe	29
PID 432 wrote to memory of 2800	432	3d8db2fcb6c50c60ee615951ed706a2a9db2faf92795ffb7c76fe2d4e5ac5b5f.exe	29
PID 432 wrote to memory of 2800	432	3d8db2fcb6c50c60ee615951ed706a2a9db2faf92795ffb7c76fe2d4e5ac5b5f.exe	29
PID 432 wrote to memory of 2800	432	3d8db2fcb6c50c60ee615951ed706a2a9db2faf92795ffb7c76fe2d4e5ac5b5f.exe	29
PID 432 wrote to memory of 2800	432	3d8db2fcb6c50c60ee615951ed706a2a9db2faf92795ffb7c76fe2d4e5ac5b5f.exe	29
PID 2800 wrote to memory of 1364	2800	winver.exe	20
PID 2800 wrote to memory of 1212	2800	winver.exe	18
PID 2800 wrote to memory of 1300	2800	winver.exe	19
PID 2800 wrote to memory of 1364	2800	winver.exe	20
PID 2800 wrote to memory of 1124	2800	winver.exe	22

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1212

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1300

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1364
- C:\Users\Admin\AppData\Local\Temp\3d8db2fcb6c50c60ee615951ed706a2a9db2faf92795ffb7c76fe2d4e5ac5b5f.exe
  "C:\Users\Admin\AppData\Local\Temp\3d8db2fcb6c50c60ee615951ed706a2a9db2faf92795ffb7c76fe2d4e5ac5b5f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:432
- - 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:2800

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1124

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/432-6-0x0000000002630000-0x0000000002740000-memory.dmp

Filesize
1.1MB

Download
memory/432-0-0x0000000002630000-0x0000000002740000-memory.dmp

Filesize
1.1MB

Download
memory/432-2-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/432-3-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/432-4-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/432-5-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/432-1-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/432-14-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1124-28-0x0000000001E30000-0x0000000001E37000-memory.dmp

Filesize
28KB

Download
memory/1124-32-0x0000000001E30000-0x0000000001E37000-memory.dmp

Filesize
28KB

Download
memory/1212-31-0x00000000002E0000-0x00000000002E7000-memory.dmp

Filesize
28KB

Download
memory/1212-19-0x00000000002E0000-0x00000000002E7000-memory.dmp

Filesize
28KB

Download
memory/1300-33-0x00000000001A0000-0x00000000001A7000-memory.dmp

Filesize
28KB

Download
memory/1300-22-0x00000000001A0000-0x00000000001A7000-memory.dmp

Filesize
28KB

Download
memory/1364-8-0x0000000002200000-0x0000000002207000-memory.dmp

Filesize
28KB

Download
memory/1364-25-0x0000000002210000-0x0000000002217000-memory.dmp

Filesize
28KB

Download
memory/1364-30-0x0000000002210000-0x0000000002217000-memory.dmp

Filesize
28KB

Download
memory/1364-13-0x0000000002200000-0x0000000002207000-memory.dmp

Filesize
28KB

Download
memory/1364-10-0x0000000002200000-0x0000000002207000-memory.dmp

Filesize
28KB

Download
memory/2800-11-0x0000000000140000-0x0000000000147000-memory.dmp

Filesize
28KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads