tinba | d28225df828c12835ca794c740cd8d9fefef58cbeffe3a57c8cae227d6f28feb

General

Target

d28225df828c12835ca794c740cd8d9fefef58cbeffe3a57c8cae227d6f28febN.exe
Size

45KB
MD5

2cf1e8b284a5e8480fca0539e6a73700
SHA1

243925c8d7daaaf85a09f0333838a0462090ebe1
SHA256

d28225df828c12835ca794c740cd8d9fefef58cbeffe3a57c8cae227d6f28feb
SHA512

be6ee0d33292552fb8b87df22ba26caa188ddae43ac4a45694a4acbb016ceac59d4dcebb2fed789a965c687ded05b34ea9243f49c46490e5fe702237665c94f3
SSDEEP

768:AhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:8sWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AF7D5FD9 = "C:\\Users\\Admin\\AppData\\Roaming\\AF7D5FD9\\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/5012-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4764	1032	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	d28225df828c12835ca794c740cd8d9fefef58cbeffe3a57c8cae227d6f28febN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1032	winver.exe
1032	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3428	Explorer.EXE
Token: SeCreatePagefilePrivilege	3428	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1032	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5012 wrote to memory of 1032	5012	d28225df828c12835ca794c740cd8d9fefef58cbeffe3a57c8cae227d6f28febN.exe	84
PID 5012 wrote to memory of 1032	5012	d28225df828c12835ca794c740cd8d9fefef58cbeffe3a57c8cae227d6f28febN.exe	84
PID 5012 wrote to memory of 1032	5012	d28225df828c12835ca794c740cd8d9fefef58cbeffe3a57c8cae227d6f28febN.exe	84
PID 5012 wrote to memory of 1032	5012	d28225df828c12835ca794c740cd8d9fefef58cbeffe3a57c8cae227d6f28febN.exe	84
PID 1032 wrote to memory of 3428	1032	winver.exe	56
PID 1032 wrote to memory of 2744	1032	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2744

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3428
- C:\Users\Admin\AppData\Local\Temp\d28225df828c12835ca794c740cd8d9fefef58cbeffe3a57c8cae227d6f28febN.exe
  "C:\Users\Admin\AppData\Local\Temp\d28225df828c12835ca794c740cd8d9fefef58cbeffe3a57c8cae227d6f28febN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5012
- - 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:1032
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1032 -s 352
      4⤵
      Program crash
      PID:4764

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1032 -ip 1032
1⤵
PID:4512

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/1032-5-0x0000000077572000-0x0000000077573000-memory.dmp

Filesize
4KB

Download
memory/1032-15-0x00000000009D0000-0x00000000009D6000-memory.dmp

Filesize
24KB

Download
memory/1032-12-0x00000000009D0000-0x00000000009D6000-memory.dmp

Filesize
24KB

Download
memory/1032-8-0x00007FFAE0490000-0x00007FFAE0685000-memory.dmp

Filesize
2.0MB

Download
memory/2744-14-0x0000000000C70000-0x0000000000C76000-memory.dmp

Filesize
24KB

Download
memory/3428-6-0x00007FFAE052D000-0x00007FFAE052E000-memory.dmp

Filesize
4KB

Download
memory/3428-7-0x00007FFAE052C000-0x00007FFAE052D000-memory.dmp

Filesize
4KB

Download
memory/3428-2-0x0000000001000000-0x0000000001006000-memory.dmp

Filesize
24KB

Download
memory/3428-3-0x0000000001000000-0x0000000001006000-memory.dmp

Filesize
24KB

Download
memory/5012-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/5012-4-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/5012-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/5012-10-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/5012-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads