tinba | 9aa7f5e73bedced4dad97fe3217df8df1f6edd0241a8ad53cb4351b79989713a

General

Target

9aa7f5e73bedced4dad97fe3217df8df1f6edd0241a8ad53cb4351b79989713a.exe
Size

110KB
MD5

9b8ae9c0cc891fc4c67a9dc747ad2b28
SHA1

aaa52dc80f3671d4832f28c60d369f9527e12f10
SHA256

9aa7f5e73bedced4dad97fe3217df8df1f6edd0241a8ad53cb4351b79989713a
SHA512

af91f6782025ec79688ca44d05ca05a06ecbf71cda1a89590dd576117f384b63312a206c7f5b674c0867c20a9e0bcd6a88764bd633a32638abe7745d92966494
SSDEEP

1536:eiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:eiyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0EE1F909 = "C:\\Users\\Admin\\AppData\\Roaming\\0EE1F909\\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/4076-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3468	2504	WerFault.exe	83

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	9aa7f5e73bedced4dad97fe3217df8df1f6edd0241a8ad53cb4351b79989713a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2504	winver.exe
2504	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3448	Explorer.EXE
Token: SeCreatePagefilePrivilege	3448	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2504	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4076 wrote to memory of 2504	4076	9aa7f5e73bedced4dad97fe3217df8df1f6edd0241a8ad53cb4351b79989713a.exe	83
PID 4076 wrote to memory of 2504	4076	9aa7f5e73bedced4dad97fe3217df8df1f6edd0241a8ad53cb4351b79989713a.exe	83
PID 4076 wrote to memory of 2504	4076	9aa7f5e73bedced4dad97fe3217df8df1f6edd0241a8ad53cb4351b79989713a.exe	83
PID 4076 wrote to memory of 2504	4076	9aa7f5e73bedced4dad97fe3217df8df1f6edd0241a8ad53cb4351b79989713a.exe	83
PID 2504 wrote to memory of 3448	2504	winver.exe	56
PID 2504 wrote to memory of 2664	2504	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2664

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3448
- C:\Users\Admin\AppData\Local\Temp\9aa7f5e73bedced4dad97fe3217df8df1f6edd0241a8ad53cb4351b79989713a.exe
  "C:\Users\Admin\AppData\Local\Temp\9aa7f5e73bedced4dad97fe3217df8df1f6edd0241a8ad53cb4351b79989713a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4076
- - 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:2504
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2504 -s 352
      4⤵
      Program crash
      PID:3468

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2504 -ip 2504
1⤵
PID:1072

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/2504-5-0x0000000077932000-0x0000000077933000-memory.dmp

Filesize
4KB

Download
memory/2504-14-0x0000000000C70000-0x0000000000C76000-memory.dmp

Filesize
24KB

Download
memory/2504-11-0x0000000000C70000-0x0000000000C76000-memory.dmp

Filesize
24KB

Download
memory/2504-7-0x00007FFF33470000-0x00007FFF33665000-memory.dmp

Filesize
2.0MB

Download
memory/2664-15-0x0000000000720000-0x0000000000726000-memory.dmp

Filesize
24KB

Download
memory/2664-13-0x0000000000720000-0x0000000000726000-memory.dmp

Filesize
24KB

Download
memory/3448-2-0x0000000000D90000-0x0000000000D96000-memory.dmp

Filesize
24KB

Download
memory/3448-6-0x00007FFF3350D000-0x00007FFF3350E000-memory.dmp

Filesize
4KB

Download
memory/3448-3-0x0000000000D90000-0x0000000000D96000-memory.dmp

Filesize
24KB

Download
memory/4076-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4076-9-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/4076-4-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/4076-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4076-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads