tinba | 34318f73bae66c42c8428be5471cfc65d882776c6f4a57ba7f8a91006ceba3b1

General

Target

34318f73bae66c42c8428be5471cfc65d882776c6f4a57ba7f8a91006ceba3b1.exe
Size

88KB
MD5

3cff96bbecd687bf10c9b065f41eea82
SHA1

58d3b68addc0517423e1b0abd04426f3ff0d3f27
SHA256

34318f73bae66c42c8428be5471cfc65d882776c6f4a57ba7f8a91006ceba3b1
SHA512

bab0e08f9fe0d95b5adba24eb2b4495bcbbc81c4c61470c79ff179049e8bb4766359eeacdafec1619e7be8387e23a7c1ad8d8590c94bbc5ed33d5069e4c840c7
SSDEEP

1536:xz44CpRkr9DXhHf3aOd/56RrkQqjh+rmKVsN:xzvokZR/KM/ysjwqWsN

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\433D6085 = "C:\\Users\\Admin\\AppData\\Roaming\\433D6085\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1224	2544	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	34318f73bae66c42c8428be5471cfc65d882776c6f4a57ba7f8a91006ceba3b1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2544	winver.exe
2544	winver.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE
Token: SeShutdownPrivilege	3472	Explorer.EXE
Token: SeCreatePagefilePrivilege	3472	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2544	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3472	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2068 wrote to memory of 2544	2068	34318f73bae66c42c8428be5471cfc65d882776c6f4a57ba7f8a91006ceba3b1.exe	85
PID 2068 wrote to memory of 2544	2068	34318f73bae66c42c8428be5471cfc65d882776c6f4a57ba7f8a91006ceba3b1.exe	85
PID 2068 wrote to memory of 2544	2068	34318f73bae66c42c8428be5471cfc65d882776c6f4a57ba7f8a91006ceba3b1.exe	85
PID 2068 wrote to memory of 2544	2068	34318f73bae66c42c8428be5471cfc65d882776c6f4a57ba7f8a91006ceba3b1.exe	85
PID 2544 wrote to memory of 3472	2544	winver.exe	56
PID 2544 wrote to memory of 2560	2544	winver.exe	44

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2560

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3472
- C:\Users\Admin\AppData\Local\Temp\34318f73bae66c42c8428be5471cfc65d882776c6f4a57ba7f8a91006ceba3b1.exe
  "C:\Users\Admin\AppData\Local\Temp\34318f73bae66c42c8428be5471cfc65d882776c6f4a57ba7f8a91006ceba3b1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2068
- - 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:2544
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2544 -s 352
      4⤵
      Program crash
      PID:1224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2544 -ip 2544
1⤵
PID:4028

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/2068-0-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download
memory/2068-10-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/2068-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2068-3-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/2544-4-0x0000000077AC2000-0x0000000077AC3000-memory.dmp

Filesize
4KB

Download
memory/2544-7-0x00007FFEE50B0000-0x00007FFEE52A5000-memory.dmp

Filesize
2.0MB

Download
memory/2544-12-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/2544-15-0x00000000006B0000-0x00000000006B6000-memory.dmp

Filesize
24KB

Download
memory/2560-14-0x0000000000B80000-0x0000000000B86000-memory.dmp

Filesize
24KB

Download
memory/3472-5-0x00007FFEE514D000-0x00007FFEE514E000-memory.dmp

Filesize
4KB

Download
memory/3472-6-0x00007FFEE514C000-0x00007FFEE514D000-memory.dmp

Filesize
4KB

Download
memory/3472-2-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/3472-9-0x00007FFEE52E0000-0x00007FFEE52E1000-memory.dmp

Filesize
4KB

Download
memory/3472-1-0x00000000029E0000-0x00000000029E6000-memory.dmp

Filesize
24KB

Download
memory/3472-17-0x00007FFEE52C0000-0x00007FFEE52C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads