tinba | cc852d8bb2db8390df6adf53176e1df895d9cb30ffd1d37617fc4da8c6d62c8a

General

Target

1d4591134ce40073d5abfc5d6905ec0e32b78533a4459706b0c0da2086b05c74.exe
Size

34KB
MD5

7a5d58c62db0aeef2b0a794c409800ca
SHA1

3e1a245c7814e5dafe330f765377c50bdb902095
SHA256

1d4591134ce40073d5abfc5d6905ec0e32b78533a4459706b0c0da2086b05c74
SHA512

9462172c86efee5cd8a1aa1b061d47d4462f6dd1fd965f04c24a6f0730396c0a74283f07a5505789cb586567cca4380d5cf3ee9d07699f6b9191d70330586bee
SSDEEP

768:Ap22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:ApYoX58z1uirL98xMWnT0OQ9J2

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/4380-0-0x0000000000400000-0x0000000000417000-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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5E0BE043 = "C:\\Users\\Admin\\AppData\\Roaming\\5E0BE043\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1708	3716	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	1d4591134ce40073d5abfc5d6905ec0e32b78533a4459706b0c0da2086b05c74.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
3716	winver.exe
3716	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3536	Explorer.EXE
Token: SeCreatePagefilePrivilege	3536	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3716	winver.exe
3536	Explorer.EXE
3536	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3536	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4380 wrote to memory of 3716	4380	1d4591134ce40073d5abfc5d6905ec0e32b78533a4459706b0c0da2086b05c74.exe	86
PID 4380 wrote to memory of 3716	4380	1d4591134ce40073d5abfc5d6905ec0e32b78533a4459706b0c0da2086b05c74.exe	86
PID 4380 wrote to memory of 3716	4380	1d4591134ce40073d5abfc5d6905ec0e32b78533a4459706b0c0da2086b05c74.exe	86
PID 4380 wrote to memory of 3716	4380	1d4591134ce40073d5abfc5d6905ec0e32b78533a4459706b0c0da2086b05c74.exe	86
PID 3716 wrote to memory of 3536	3716	winver.exe	56
PID 3716 wrote to memory of 2668	3716	winver.exe	44

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

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:3536
- C:\Users\Admin\AppData\Local\Temp\1d4591134ce40073d5abfc5d6905ec0e32b78533a4459706b0c0da2086b05c74.exe
  "C:\Users\Admin\AppData\Local\Temp\1d4591134ce40073d5abfc5d6905ec0e32b78533a4459706b0c0da2086b05c74.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4380
- - 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:3716
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3716 -s 352
      4⤵
      Program crash
      PID:1708

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3716 -ip 3716
1⤵
PID:2564

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

Replay Monitor

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Downloads

memory/2668-18-0x00007FFC6F3B0000-0x00007FFC6F3B1000-memory.dmp

Filesize
4KB

Download
memory/2668-15-0x00000000005B0000-0x00000000005B6000-memory.dmp

Filesize
24KB

Download
memory/3536-8-0x00007FFC6F3C0000-0x00007FFC6F3C1000-memory.dmp

Filesize
4KB

Download
memory/3536-3-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/3536-2-0x0000000000560000-0x0000000000566000-memory.dmp

Filesize
24KB

Download
memory/3536-6-0x00007FFC6F22D000-0x00007FFC6F22E000-memory.dmp

Filesize
4KB

Download
memory/3536-11-0x00007FFC6F3A0000-0x00007FFC6F3A1000-memory.dmp

Filesize
4KB

Download
memory/3716-13-0x0000000000D00000-0x0000000000D06000-memory.dmp

Filesize
24KB

Download
memory/3716-7-0x00007FFC6F190000-0x00007FFC6F385000-memory.dmp

Filesize
2.0MB

Download
memory/3716-5-0x0000000077312000-0x0000000077313000-memory.dmp

Filesize
4KB

Download
memory/3716-16-0x0000000000D00000-0x0000000000D06000-memory.dmp

Filesize
24KB

Download
memory/4380-9-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4380-10-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/4380-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4380-4-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/4380-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads