tinba | 300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0d

General

Target

300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0dN.exe
Size

106KB
MD5

375004985301fcc97684a54b77cafce0
SHA1

98a6f18fb029beca2718201b17d0c18a49ef013a
SHA256

300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0d
SHA512

31e3f3984e9559dfa25e7104ffb09637a8b6a0d4a95d469e9d16cdfa0a6b1df0c9a158f57c77defd89281067efe7b80cd66a9c724e7f82d931ef6ca5714eee5f
SSDEEP

768:h+6p+OMlgGXCWhfDzU7f0JDgi9I57+sByZ+XsfXpwtG9ipelU9JA:h+mFM2QXtZgi9Iksu+XM57ipeq9JA

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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1F51E607 = "C:\\Users\\Admin\\AppData\\Roaming\\1F51E607\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2688	2120	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	300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0dN.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
2120	winver.exe
2120	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
2120	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 1128 wrote to memory of 2120	1128	300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0dN.exe	85
PID 1128 wrote to memory of 2120	1128	300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0dN.exe	85
PID 1128 wrote to memory of 2120	1128	300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0dN.exe	85
PID 1128 wrote to memory of 2120	1128	300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0dN.exe	85
PID 2120 wrote to memory of 3376	2120	winver.exe	56
PID 2120 wrote to memory of 2664	2120	winver.exe	45

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2664

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\300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0dN.exe
  "C:\Users\Admin\AppData\Local\Temp\300ef90cbde8df782048a8585b86eda9549c2eea3def8ae96bf9a5e0cb186a0dN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1128
- - 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:2120
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2120 -s 356
      4⤵
      Program crash
      PID:2688

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2120 -ip 2120
1⤵
PID:5060

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/1128-9-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1128-10-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/1128-4-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/1128-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1128-1-0x00000000007C0000-0x00000000007C1000-memory.dmp

Filesize
4KB

Download
memory/2120-17-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/2120-14-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/2120-5-0x0000000077642000-0x0000000077643000-memory.dmp

Filesize
4KB

Download
memory/2120-7-0x00007FFC7BDB0000-0x00007FFC7BFA5000-memory.dmp

Filesize
2.0MB

Download
memory/2664-16-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2664-18-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2664-19-0x00007FFC7BFD0000-0x00007FFC7BFD1000-memory.dmp

Filesize
4KB

Download
memory/3376-6-0x00007FFC7BE4D000-0x00007FFC7BE4E000-memory.dmp

Filesize
4KB

Download
memory/3376-12-0x00007FFC7BFC0000-0x00007FFC7BFC1000-memory.dmp

Filesize
4KB

Download
memory/3376-2-0x0000000001E40000-0x0000000001E46000-memory.dmp

Filesize
24KB

Download
memory/3376-11-0x00007FFC7BFE0000-0x00007FFC7BFE1000-memory.dmp

Filesize
4KB

Download
memory/3376-3-0x0000000001E40000-0x0000000001E46000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads