tinba | 1e12ba45d2bec0a6e9191215147d7cf399d8b90e818ee12fccfd06de4b2b4819

General

Target

1e12ba45d2bec0a6e9191215147d7cf399d8b90e818ee12fccfd06de4b2b4819N.exe
Size

34KB
MD5

56a841f291dceaa8f434498fb760d9c0
SHA1

4e5475f4c5f8fde1f1c53cafab7abc8761804d42
SHA256

1e12ba45d2bec0a6e9191215147d7cf399d8b90e818ee12fccfd06de4b2b4819
SHA512

d6b5f32ae1bbb8ff8e73f83a595ac5c5a7ce9c83d980315a1b6d7e5987676909594fa92307520f705d3cfa6be5f18faeaee7ef6d1738d1bfa217a3464f191fa6
SSDEEP

768:Jp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:JpYoX58z1uirL98xMWnT0OQ9J2

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

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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AF714402 = "C:\\Users\\Admin\\AppData\\Roaming\\AF714402\\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/3524-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4124	2308	WerFault.exe	86

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	1e12ba45d2bec0a6e9191215147d7cf399d8b90e818ee12fccfd06de4b2b4819N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2308	winver.exe
2308	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3396	Explorer.EXE
Token: SeCreatePagefilePrivilege	3396	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2308	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3396	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3524 wrote to memory of 2308	3524	1e12ba45d2bec0a6e9191215147d7cf399d8b90e818ee12fccfd06de4b2b4819N.exe	86
PID 3524 wrote to memory of 2308	3524	1e12ba45d2bec0a6e9191215147d7cf399d8b90e818ee12fccfd06de4b2b4819N.exe	86
PID 3524 wrote to memory of 2308	3524	1e12ba45d2bec0a6e9191215147d7cf399d8b90e818ee12fccfd06de4b2b4819N.exe	86
PID 3524 wrote to memory of 2308	3524	1e12ba45d2bec0a6e9191215147d7cf399d8b90e818ee12fccfd06de4b2b4819N.exe	86
PID 2308 wrote to memory of 3396	2308	winver.exe	56
PID 2308 wrote to memory of 2668	2308	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2668

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3396
- C:\Users\Admin\AppData\Local\Temp\1e12ba45d2bec0a6e9191215147d7cf399d8b90e818ee12fccfd06de4b2b4819N.exe
  "C:\Users\Admin\AppData\Local\Temp\1e12ba45d2bec0a6e9191215147d7cf399d8b90e818ee12fccfd06de4b2b4819N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3524
- - 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:2308
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 352
      4⤵
      Program crash
      PID:4124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2308 -ip 2308
1⤵
PID:1928

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/2308-6-0x0000000077052000-0x0000000077053000-memory.dmp

Filesize
4KB

Download
memory/2308-15-0x0000000000F60000-0x0000000000F66000-memory.dmp

Filesize
24KB

Download
memory/2308-8-0x00007FF82D390000-0x00007FF82D585000-memory.dmp

Filesize
2.0MB

Download
memory/2308-5-0x0000000000F60000-0x0000000000F66000-memory.dmp

Filesize
24KB

Download
memory/2668-14-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/3396-7-0x00007FF82D42D000-0x00007FF82D42E000-memory.dmp

Filesize
4KB

Download
memory/3396-3-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/3396-2-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/3396-17-0x00007FF82D5C0000-0x00007FF82D5C1000-memory.dmp

Filesize
4KB

Download
memory/3524-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3524-4-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/3524-9-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3524-10-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/3524-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads