tinba | fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5

General

Target

fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.exe
Size

45KB
MD5

bfc835614995595a17de7e6c1584c0d0
SHA1

0183c769f5b0e4a42d6c2a358ed680d638ac48a3
SHA256

fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5
SHA512

9df215d1f982d278194ec0e8ec4a8bddb33e8973e6c1023f1acbab1b9159c512620e7007e790899c447aaa4de8449754b6d59018f2a09e6ccdf04ac4557d1660
SSDEEP

768:zhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:lsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\A4210301 = "C:\\Users\\Admin\\AppData\\Roaming\\A4210301\\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/3464-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5044	1816	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	fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1816	winver.exe
1816	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3500	Explorer.EXE
Token: SeCreatePagefilePrivilege	3500	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1816	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3500	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3464 wrote to memory of 1816	3464	fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.exe	85
PID 3464 wrote to memory of 1816	3464	fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.exe	85
PID 3464 wrote to memory of 1816	3464	fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.exe	85
PID 3464 wrote to memory of 1816	3464	fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.exe	85
PID 1816 wrote to memory of 3500	1816	winver.exe	56
PID 1816 wrote to memory of 2896	1816	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2896

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3500
- C:\Users\Admin\AppData\Local\Temp\fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.exe
  "C:\Users\Admin\AppData\Local\Temp\fc965fc2350cfe1543476ef7931ba5b20248eec482258c432a1c271e20f157e5N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3464
- - 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:1816
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1816 -s 352
      4⤵
      Program crash
      PID:5044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1816 -ip 1816
1⤵
PID:1736

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/1816-7-0x00007FFCC3850000-0x00007FFCC3A45000-memory.dmp

Filesize
2.0MB

Download
memory/1816-16-0x0000000002730000-0x0000000002736000-memory.dmp

Filesize
24KB

Download
memory/1816-13-0x0000000002730000-0x0000000002736000-memory.dmp

Filesize
24KB

Download
memory/1816-5-0x0000000077482000-0x0000000077483000-memory.dmp

Filesize
4KB

Download
memory/2896-18-0x00007FFCC3A70000-0x00007FFCC3A71000-memory.dmp

Filesize
4KB

Download
memory/2896-15-0x0000000000740000-0x0000000000746000-memory.dmp

Filesize
24KB

Download
memory/3464-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3464-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3464-11-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/3464-4-0x0000000002330000-0x0000000002D30000-memory.dmp

Filesize
10.0MB

Download
memory/3464-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3500-6-0x00007FFCC38ED000-0x00007FFCC38EE000-memory.dmp

Filesize
4KB

Download
memory/3500-8-0x00007FFCC3A80000-0x00007FFCC3A81000-memory.dmp

Filesize
4KB

Download
memory/3500-2-0x0000000001530000-0x0000000001536000-memory.dmp

Filesize
24KB

Download
memory/3500-3-0x0000000001530000-0x0000000001536000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads