tinba | a9f65e7a6d5154fb82bf215d369f976f4a8737d52aa5cb43263c4b9c4d69b3db

General

Target

a9f65e7a6d5154fb82bf215d369f976f4a8737d52aa5cb43263c4b9c4d69b3db.exe
Size

89KB
MD5

39477523fa23e22cb02c1d77dff6c492
SHA1

029ecd085ba8d8a60d23eb471b24fbeade7e3cab
SHA256

a9f65e7a6d5154fb82bf215d369f976f4a8737d52aa5cb43263c4b9c4d69b3db
SHA512

b5438aaf59550da5e55359b0d130f2ccfb025dc41a72ef9812b0d2b42e7c1e67f92b100c3c19e3f4c546429231d26367798a1be20effc9d25f92b5a8d4d21072
SSDEEP

1536:B1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7+:L+4MJIkLZJNAQ9Jo9+

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C8ACABED = "C:\\Users\\Admin\\AppData\\Roaming\\C8ACABED\\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/4028-0-0x0000000000400000-0x0000000000418000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3028	1380	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	a9f65e7a6d5154fb82bf215d369f976f4a8737d52aa5cb43263c4b9c4d69b3db.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1380	winver.exe
1380	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3540	Explorer.EXE
Token: SeCreatePagefilePrivilege	3540	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1380	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4028 wrote to memory of 1380	4028	a9f65e7a6d5154fb82bf215d369f976f4a8737d52aa5cb43263c4b9c4d69b3db.exe	84
PID 4028 wrote to memory of 1380	4028	a9f65e7a6d5154fb82bf215d369f976f4a8737d52aa5cb43263c4b9c4d69b3db.exe	84
PID 4028 wrote to memory of 1380	4028	a9f65e7a6d5154fb82bf215d369f976f4a8737d52aa5cb43263c4b9c4d69b3db.exe	84
PID 4028 wrote to memory of 1380	4028	a9f65e7a6d5154fb82bf215d369f976f4a8737d52aa5cb43263c4b9c4d69b3db.exe	84
PID 1380 wrote to memory of 3540	1380	winver.exe	56
PID 1380 wrote to memory of 2568	1380	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2568

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3540
- C:\Users\Admin\AppData\Local\Temp\a9f65e7a6d5154fb82bf215d369f976f4a8737d52aa5cb43263c4b9c4d69b3db.exe
  "C:\Users\Admin\AppData\Local\Temp\a9f65e7a6d5154fb82bf215d369f976f4a8737d52aa5cb43263c4b9c4d69b3db.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4028
- - 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:1380
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1380 -s 352
      4⤵
      Program crash
      PID:3028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1380 -ip 1380
1⤵
PID:4260

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/1380-6-0x0000000000D30000-0x0000000000D42000-memory.dmp

Filesize
72KB

Download
memory/1380-17-0x0000000001000000-0x0000000001006000-memory.dmp

Filesize
24KB

Download
memory/1380-14-0x0000000001000000-0x0000000001006000-memory.dmp

Filesize
24KB

Download
memory/1380-9-0x00007FF81CA50000-0x00007FF81CC45000-memory.dmp

Filesize
2.0MB

Download
memory/1380-5-0x0000000000D31000-0x0000000000D32000-memory.dmp

Filesize
4KB

Download
memory/2568-16-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download
memory/3540-4-0x0000000000C60000-0x0000000000C66000-memory.dmp

Filesize
24KB

Download
memory/3540-7-0x00007FF81CAED000-0x00007FF81CAEE000-memory.dmp

Filesize
4KB

Download
memory/3540-8-0x00007FF81CAEC000-0x00007FF81CAED000-memory.dmp

Filesize
4KB

Download
memory/3540-3-0x0000000000C60000-0x0000000000C66000-memory.dmp

Filesize
24KB

Download
memory/4028-11-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4028-12-0x0000000002130000-0x0000000002B30000-memory.dmp

Filesize
10.0MB

Download
memory/4028-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/4028-2-0x0000000002130000-0x0000000002B30000-memory.dmp

Filesize
10.0MB

Download
memory/4028-1-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads