tinba | 1535c258156f4569cdced1fd5a5f86a7e0a86014dd58f545a6759da205b46926

General

Target

1535c258156f4569cdced1fd5a5f86a7e0a86014dd58f545a6759da205b46926.exe
Size

110KB
MD5

c9aba1e525a15ea56607390196d371ea
SHA1

29b81fa3ff955cc760e6d0faa34c85225e379128
SHA256

1535c258156f4569cdced1fd5a5f86a7e0a86014dd58f545a6759da205b46926
SHA512

1c6ff7d3fe31373e8b8642cf6a125ea593b9c4839ee02ad860cecdbf6c5ac1313e2a2fadb658535e99faa6ff4d9d90dcbc9f4478f79cb16f2d061addc8c03185
SSDEEP

1536:giLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EQ:giyvRmDLs/ZrwWJjAqGcRJ2hQ

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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AC0888F9 = "C:\\Users\\Admin\\AppData\\Roaming\\AC0888F9\\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/3764-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3796	1864	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	1535c258156f4569cdced1fd5a5f86a7e0a86014dd58f545a6759da205b46926.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
1864	winver.exe
1864	winver.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE
Token: SeShutdownPrivilege	3508	Explorer.EXE
Token: SeCreatePagefilePrivilege	3508	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1864	winver.exe
3508	Explorer.EXE
3508	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3508	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3764 wrote to memory of 1864	3764	1535c258156f4569cdced1fd5a5f86a7e0a86014dd58f545a6759da205b46926.exe	84
PID 3764 wrote to memory of 1864	3764	1535c258156f4569cdced1fd5a5f86a7e0a86014dd58f545a6759da205b46926.exe	84
PID 3764 wrote to memory of 1864	3764	1535c258156f4569cdced1fd5a5f86a7e0a86014dd58f545a6759da205b46926.exe	84
PID 3764 wrote to memory of 1864	3764	1535c258156f4569cdced1fd5a5f86a7e0a86014dd58f545a6759da205b46926.exe	84
PID 1864 wrote to memory of 3508	1864	winver.exe	56
PID 1864 wrote to memory of 2608	1864	winver.exe	44

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2608

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:3508
- C:\Users\Admin\AppData\Local\Temp\1535c258156f4569cdced1fd5a5f86a7e0a86014dd58f545a6759da205b46926.exe
  "C:\Users\Admin\AppData\Local\Temp\1535c258156f4569cdced1fd5a5f86a7e0a86014dd58f545a6759da205b46926.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3764
- - 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:1864
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1864 -s 352
      4⤵
      Program crash
      PID:3796

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 1864 -ip 1864
1⤵
PID:4116

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/1864-5-0x0000000077542000-0x0000000077543000-memory.dmp

Filesize
4KB

Download
memory/1864-16-0x0000000001270000-0x0000000001276000-memory.dmp

Filesize
24KB

Download
memory/1864-13-0x0000000001270000-0x0000000001276000-memory.dmp

Filesize
24KB

Download
memory/1864-7-0x00007FFED21F0000-0x00007FFED23E5000-memory.dmp

Filesize
2.0MB

Download
memory/2608-15-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/3508-2-0x0000000001200000-0x0000000001206000-memory.dmp

Filesize
24KB

Download
memory/3508-6-0x00007FFED228D000-0x00007FFED228E000-memory.dmp

Filesize
4KB

Download
memory/3508-10-0x00007FFED2420000-0x00007FFED2421000-memory.dmp

Filesize
4KB

Download
memory/3508-11-0x00007FFED2400000-0x00007FFED2401000-memory.dmp

Filesize
4KB

Download
memory/3508-3-0x0000000001200000-0x0000000001206000-memory.dmp

Filesize
24KB

Download
memory/3764-4-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/3764-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3764-9-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/3764-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3764-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads