tinba | 3b2ce9b961ba7389669a0eee45193f8cf49bef56b923519d639ba88d3391931f

General

Target

3b2ce9b961ba7389669a0eee45193f8cf49bef56b923519d639ba88d3391931fN.exe
Size

45KB
MD5

94662dc8fc9e389de545b25edcde4cb0
SHA1

d0cbbe279a662fd2c4fbf3da41a843e7ca5c0dae
SHA256

3b2ce9b961ba7389669a0eee45193f8cf49bef56b923519d639ba88d3391931f
SHA512

cc3356b151a520172fd2a3457ce28ef66c0b1b5e731d2434e7df6606fff8d131517a554a3819ebee1d526a3e7029cd31ca08698a6ea356466f6111ea26bef7c9
SSDEEP

768:WhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2/:6sWE9N5dFu53dsniQaB/xZ14n7zIF+qL

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\350FB0E2 = "C:\\Users\\Admin\\AppData\\Roaming\\350FB0E2\\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/2208-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1428	4904	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	3b2ce9b961ba7389669a0eee45193f8cf49bef56b923519d639ba88d3391931fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4904	winver.exe
4904	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4904	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 4904	2208	3b2ce9b961ba7389669a0eee45193f8cf49bef56b923519d639ba88d3391931fN.exe	83
PID 2208 wrote to memory of 4904	2208	3b2ce9b961ba7389669a0eee45193f8cf49bef56b923519d639ba88d3391931fN.exe	83
PID 2208 wrote to memory of 4904	2208	3b2ce9b961ba7389669a0eee45193f8cf49bef56b923519d639ba88d3391931fN.exe	83
PID 2208 wrote to memory of 4904	2208	3b2ce9b961ba7389669a0eee45193f8cf49bef56b923519d639ba88d3391931fN.exe	83
PID 4904 wrote to memory of 3456	4904	winver.exe	56
PID 4904 wrote to memory of 2964	4904	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2964

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3456
- C:\Users\Admin\AppData\Local\Temp\3b2ce9b961ba7389669a0eee45193f8cf49bef56b923519d639ba88d3391931fN.exe
  "C:\Users\Admin\AppData\Local\Temp\3b2ce9b961ba7389669a0eee45193f8cf49bef56b923519d639ba88d3391931fN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2208
- - 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:4904
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4904 -s 356
      4⤵
      Program crash
      PID:1428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4904 -ip 4904
1⤵
PID:1784

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/2208-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2208-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/2208-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2208-4-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/2208-10-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/2964-14-0x0000000000820000-0x0000000000826000-memory.dmp

Filesize
24KB

Download
memory/3456-2-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/3456-6-0x00007FFA4D26D000-0x00007FFA4D26E000-memory.dmp

Filesize
4KB

Download
memory/3456-7-0x00007FFA4D26C000-0x00007FFA4D26D000-memory.dmp

Filesize
4KB

Download
memory/3456-3-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/4904-5-0x0000000077BB2000-0x0000000077BB3000-memory.dmp

Filesize
4KB

Download
memory/4904-8-0x00007FFA4D1D0000-0x00007FFA4D3C5000-memory.dmp

Filesize
2.0MB

Download
memory/4904-12-0x0000000000680000-0x0000000000686000-memory.dmp

Filesize
24KB

Download
memory/4904-15-0x0000000000680000-0x0000000000686000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads