tinba | abc3dc531aba1b7eab511527ceb9112cf506ba79cb2b50df83a10f4eff28ceb2

General

Target

266556f7c79d53ca0ff14b9c0f3df960N.exe
Size

45KB
MD5

266556f7c79d53ca0ff14b9c0f3df960
SHA1

ce80c804223a41e161d089772b3fc6769ce752dc
SHA256

abc3dc531aba1b7eab511527ceb9112cf506ba79cb2b50df83a10f4eff28ceb2
SHA512

b0ff3ef69a3a2cb49e7cb616ea6cdd633b947844614f31a992319cdfd3645e8ab042b835452c585d6434b40307f49f81510bd2370caa2d4402ca294444f175a6
SSDEEP

768:nhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:hsWE9N5dFu53dsniQaB/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

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3664-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0E583BB8 = "C:\\Users\\Admin\\AppData\\Roaming\\0E583BB8\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4496	896	WerFault.exe	84

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	266556f7c79d53ca0ff14b9c0f3df960N.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
896	winver.exe
896	winver.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
896	winver.exe
3436	Explorer.EXE
3436	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3436	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3664 wrote to memory of 896	3664	266556f7c79d53ca0ff14b9c0f3df960N.exe	84
PID 3664 wrote to memory of 896	3664	266556f7c79d53ca0ff14b9c0f3df960N.exe	84
PID 3664 wrote to memory of 896	3664	266556f7c79d53ca0ff14b9c0f3df960N.exe	84
PID 3664 wrote to memory of 896	3664	266556f7c79d53ca0ff14b9c0f3df960N.exe	84
PID 896 wrote to memory of 3436	896	winver.exe	56
PID 896 wrote to memory of 2536	896	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2536

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:3436
- C:\Users\Admin\AppData\Local\Temp\266556f7c79d53ca0ff14b9c0f3df960N.exe
  "C:\Users\Admin\AppData\Local\Temp\266556f7c79d53ca0ff14b9c0f3df960N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3664
- - 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:896
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 896 -s 356
      4⤵
      Program crash
      PID:4496

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 896 -ip 896
1⤵
PID:4588

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/896-5-0x00000000773B2000-0x00000000773B3000-memory.dmp

Filesize
4KB

Download
memory/896-17-0x00000000027B0000-0x00000000027B6000-memory.dmp

Filesize
24KB

Download
memory/896-14-0x00000000027B0000-0x00000000027B6000-memory.dmp

Filesize
24KB

Download
memory/896-7-0x00007FFB118B0000-0x00007FFB11AA5000-memory.dmp

Filesize
2.0MB

Download
memory/2536-16-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/3436-2-0x0000000002A00000-0x0000000002A06000-memory.dmp

Filesize
24KB

Download
memory/3436-6-0x00007FFB1194D000-0x00007FFB1194E000-memory.dmp

Filesize
4KB

Download
memory/3436-8-0x00007FFB11AE0000-0x00007FFB11AE1000-memory.dmp

Filesize
4KB

Download
memory/3436-12-0x00007FFB11AC0000-0x00007FFB11AC1000-memory.dmp

Filesize
4KB

Download
memory/3436-3-0x0000000002A00000-0x0000000002A06000-memory.dmp

Filesize
24KB

Download
memory/3664-4-0x0000000002180000-0x0000000002B80000-memory.dmp

Filesize
10.0MB

Download
memory/3664-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3664-11-0x0000000002180000-0x0000000002B80000-memory.dmp

Filesize
10.0MB

Download
memory/3664-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3664-1-0x00000000007B0000-0x00000000007B1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads