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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AA097FDC = "C:\\Users\\Admin\\AppData\\Roaming\\AA097FDC\\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/5092-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
368	2392	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
2392	winver.exe
2392	winver.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2392	winver.exe
3404	Explorer.EXE
3404	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3404	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5092 wrote to memory of 2392	5092	1535c258156f4569cdced1fd5a5f86a7e0a86014dd58f545a6759da205b46926.exe	84
PID 5092 wrote to memory of 2392	5092	1535c258156f4569cdced1fd5a5f86a7e0a86014dd58f545a6759da205b46926.exe	84
PID 5092 wrote to memory of 2392	5092	1535c258156f4569cdced1fd5a5f86a7e0a86014dd58f545a6759da205b46926.exe	84
PID 5092 wrote to memory of 2392	5092	1535c258156f4569cdced1fd5a5f86a7e0a86014dd58f545a6759da205b46926.exe	84
PID 2392 wrote to memory of 3404	2392	winver.exe	56
PID 2392 wrote to memory of 2832	2392	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2832

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:3404
- 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:5092
- - 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:2392
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2392 -s 352
      4⤵
      Program crash
      PID:368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2392 -ip 2392
1⤵
PID:2336

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/2392-6-0x0000000077E42000-0x0000000077E43000-memory.dmp

Filesize
4KB

Download
memory/2392-18-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/2392-8-0x00007FFC4C3F0000-0x00007FFC4C5E5000-memory.dmp

Filesize
2.0MB

Download
memory/2392-5-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/2832-17-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/3404-2-0x0000000001100000-0x0000000001106000-memory.dmp

Filesize
24KB

Download
memory/3404-7-0x00007FFC4C48D000-0x00007FFC4C48E000-memory.dmp

Filesize
4KB

Download
memory/3404-9-0x00007FFC4C620000-0x00007FFC4C621000-memory.dmp

Filesize
4KB

Download
memory/3404-13-0x00007FFC4C600000-0x00007FFC4C601000-memory.dmp

Filesize
4KB

Download
memory/3404-3-0x0000000001100000-0x0000000001106000-memory.dmp

Filesize
24KB

Download
memory/5092-4-0x0000000002170000-0x0000000002B70000-memory.dmp

Filesize
10.0MB

Download
memory/5092-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/5092-11-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/5092-12-0x0000000002170000-0x0000000002B70000-memory.dmp

Filesize
10.0MB

Download
memory/5092-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads