tinba | 376616b91767bc8b6416c281e36b89e801bd46911d0f6779f3533cce21430ac3

General

Target

376616b91767bc8b6416c281e36b89e801bd46911d0f6779f3533cce21430ac3N.exe
Size

34KB
MD5

70eb90926a331e62ccb5b2adc9f30870
SHA1

296e2dd5375e6145b80a5bfcd3703aa8e348a3b7
SHA256

376616b91767bc8b6416c281e36b89e801bd46911d0f6779f3533cce21430ac3
SHA512

5bc707c0c2bd56047e421f3999c7ab4d17f12170c9051eb4646d8220c8e2064ba263a9d42d1e7bb6a6a2d64e451aaae71992994488ba1ed8ce8734136aa5b778
SSDEEP

768:Fp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9Ji:FpYoX58z1uirL98xMWnT0OQ9Ji

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\34D2D7C7 = "C:\\Users\\Admin\\AppData\\Roaming\\34D2D7C7\\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/1520-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4432	884	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	376616b91767bc8b6416c281e36b89e801bd46911d0f6779f3533cce21430ac3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
884	winver.exe
884	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	2836	Explorer.EXE
Token: SeCreatePagefilePrivilege	2836	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
884	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 884	1520	376616b91767bc8b6416c281e36b89e801bd46911d0f6779f3533cce21430ac3N.exe	84
PID 1520 wrote to memory of 884	1520	376616b91767bc8b6416c281e36b89e801bd46911d0f6779f3533cce21430ac3N.exe	84
PID 1520 wrote to memory of 884	1520	376616b91767bc8b6416c281e36b89e801bd46911d0f6779f3533cce21430ac3N.exe	84
PID 1520 wrote to memory of 884	1520	376616b91767bc8b6416c281e36b89e801bd46911d0f6779f3533cce21430ac3N.exe	84
PID 884 wrote to memory of 2836	884	winver.exe	54
PID 884 wrote to memory of 2528	884	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2528

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2836
- C:\Users\Admin\AppData\Local\Temp\376616b91767bc8b6416c281e36b89e801bd46911d0f6779f3533cce21430ac3N.exe
  "C:\Users\Admin\AppData\Local\Temp\376616b91767bc8b6416c281e36b89e801bd46911d0f6779f3533cce21430ac3N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1520
- - 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:884
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 884 -s 352
      4⤵
      Program crash
      PID:4432

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 884 -ip 884
1⤵
PID:3508

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/884-5-0x00000000776E2000-0x00000000776E3000-memory.dmp

Filesize
4KB

Download
memory/884-15-0x0000000002330000-0x0000000002336000-memory.dmp

Filesize
24KB

Download
memory/884-11-0x0000000002330000-0x0000000002336000-memory.dmp

Filesize
24KB

Download
memory/884-7-0x00007FFA9F410000-0x00007FFA9F605000-memory.dmp

Filesize
2.0MB

Download
memory/1520-9-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/1520-4-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/1520-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1520-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1520-1-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/2528-13-0x0000000000E40000-0x0000000000E46000-memory.dmp

Filesize
24KB

Download
memory/2528-14-0x00007FFA9F4AD000-0x00007FFA9F4AE000-memory.dmp

Filesize
4KB

Download
memory/2528-16-0x0000000000E40000-0x0000000000E46000-memory.dmp

Filesize
24KB

Download
memory/2836-6-0x00007FFA9F4AD000-0x00007FFA9F4AE000-memory.dmp

Filesize
4KB

Download
memory/2836-3-0x00000000012A0000-0x00000000012A6000-memory.dmp

Filesize
24KB

Download
memory/2836-2-0x00000000012A0000-0x00000000012A6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads