tinba | a5dd6bdc9a50c773f1b96e90a717fe3ef24c44e988cd07d40e1561d6bf76c375

General

Target

c4ac111d3acbe526568ac988170d1fb0c0be4869ded07b650c74e1e77588c27f.exe
Size

34KB
MD5

b36903144bd32c1090633fcc056ff11d
SHA1

5dda87571d683cfc5b1953011acbf21a3d195471
SHA256

c4ac111d3acbe526568ac988170d1fb0c0be4869ded07b650c74e1e77588c27f
SHA512

0f91c7a2775e6abefe57dfdab788c9ed72bd9ec06ded6fec9e954fd5c3a0a663e76d6def5cf343caf61952577460c6e2e3c44dae0d64b064581c0b05fb7bc1f6
SSDEEP

768:2p22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:2pYoX58z1uirL98xMWnT0OQ9J2

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/3372-0-0x0000000000400000-0x0000000000417000-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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D24E4376 = "C:\\Users\\Admin\\AppData\\Roaming\\D24E4376\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3748	2800	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	c4ac111d3acbe526568ac988170d1fb0c0be4869ded07b650c74e1e77588c27f.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
2800	winver.exe
2800	winver.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2800	winver.exe
3380	Explorer.EXE
3380	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3380	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3372 wrote to memory of 2800	3372	c4ac111d3acbe526568ac988170d1fb0c0be4869ded07b650c74e1e77588c27f.exe	85
PID 3372 wrote to memory of 2800	3372	c4ac111d3acbe526568ac988170d1fb0c0be4869ded07b650c74e1e77588c27f.exe	85
PID 3372 wrote to memory of 2800	3372	c4ac111d3acbe526568ac988170d1fb0c0be4869ded07b650c74e1e77588c27f.exe	85
PID 3372 wrote to memory of 2800	3372	c4ac111d3acbe526568ac988170d1fb0c0be4869ded07b650c74e1e77588c27f.exe	85
PID 2800 wrote to memory of 3380	2800	winver.exe	55
PID 2800 wrote to memory of 2504	2800	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2504

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:3380
- C:\Users\Admin\AppData\Local\Temp\c4ac111d3acbe526568ac988170d1fb0c0be4869ded07b650c74e1e77588c27f.exe
  "C:\Users\Admin\AppData\Local\Temp\c4ac111d3acbe526568ac988170d1fb0c0be4869ded07b650c74e1e77588c27f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3372
- - 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:2800
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2800 -s 352
      4⤵
      Program crash
      PID:3748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2800 -ip 2800
1⤵
PID:3404

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/2504-20-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download
memory/2504-17-0x00007FFE8186D000-0x00007FFE8186E000-memory.dmp

Filesize
4KB

Download
memory/2504-16-0x0000000000E20000-0x0000000000E26000-memory.dmp

Filesize
24KB

Download
memory/2800-5-0x0000000000B40000-0x0000000000B46000-memory.dmp

Filesize
24KB

Download
memory/2800-18-0x0000000000B40000-0x0000000000B46000-memory.dmp

Filesize
24KB

Download
memory/2800-8-0x00007FFE817D0000-0x00007FFE819C5000-memory.dmp

Filesize
2.0MB

Download
memory/2800-6-0x00000000778D2000-0x00000000778D3000-memory.dmp

Filesize
4KB

Download
memory/3372-4-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/3372-10-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3372-11-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/3372-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3372-1-0x0000000002150000-0x0000000002151000-memory.dmp

Filesize
4KB

Download
memory/3380-7-0x00007FFE8186D000-0x00007FFE8186E000-memory.dmp

Filesize
4KB

Download
memory/3380-9-0x00007FFE81A00000-0x00007FFE81A01000-memory.dmp

Filesize
4KB

Download
memory/3380-12-0x00007FFE819E0000-0x00007FFE819E1000-memory.dmp

Filesize
4KB

Download
memory/3380-3-0x00000000012D0000-0x00000000012D6000-memory.dmp

Filesize
24KB

Download
memory/3380-2-0x00000000012D0000-0x00000000012D6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads