tinba | fc14d735e213fb6bd70dee80fa8a67e634e967c13744ecd5da223f17a3420ced

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
30-09-2024 11:25

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General

Target

fc14d735e213fb6bd70dee80fa8a67e634e967c13744ecd5da223f17a3420cedN.exe
Size

106KB
MD5

f064e478f7e9778f07349a75e8cd8b70
SHA1

22d3798a23ad78d56234e186d765ed1b668c63ed
SHA256

fc14d735e213fb6bd70dee80fa8a67e634e967c13744ecd5da223f17a3420ced
SHA512

6b9abdf7f23d23bdf8b80a0fc3639e260e32e3c718844a97b4f098a75bf262e53e691d1e39fad200898376c33ecda8e288f7ace0f4d5281b0fbd963830db8438
SSDEEP

768:P+6p+OMlgGXCWhfDzU7f0JDgi9I57+sByZ+XsfXpwtG9ipelU9JA:P+mFM2QXtZgi9Iksu+XM57ipeq9JA

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\ACADED57 = "C:\\Users\\Admin\\AppData\\Roaming\\ACADED57\\bin.exe"	winver.exe

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	fc14d735e213fb6bd70dee80fa8a67e634e967c13744ecd5da223f17a3420cedN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe
2452	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2452	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 2452	1768	fc14d735e213fb6bd70dee80fa8a67e634e967c13744ecd5da223f17a3420cedN.exe	31
PID 1768 wrote to memory of 2452	1768	fc14d735e213fb6bd70dee80fa8a67e634e967c13744ecd5da223f17a3420cedN.exe	31
PID 1768 wrote to memory of 2452	1768	fc14d735e213fb6bd70dee80fa8a67e634e967c13744ecd5da223f17a3420cedN.exe	31
PID 1768 wrote to memory of 2452	1768	fc14d735e213fb6bd70dee80fa8a67e634e967c13744ecd5da223f17a3420cedN.exe	31
PID 1768 wrote to memory of 2452	1768	fc14d735e213fb6bd70dee80fa8a67e634e967c13744ecd5da223f17a3420cedN.exe	31
PID 2452 wrote to memory of 1320	2452	winver.exe	21
PID 2452 wrote to memory of 1140	2452	winver.exe	19
PID 2452 wrote to memory of 1252	2452	winver.exe	20
PID 2452 wrote to memory of 1320	2452	winver.exe	21
PID 2452 wrote to memory of 1108	2452	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1140

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1252

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1320
- C:\Users\Admin\AppData\Local\Temp\fc14d735e213fb6bd70dee80fa8a67e634e967c13744ecd5da223f17a3420cedN.exe
  "C:\Users\Admin\AppData\Local\Temp\fc14d735e213fb6bd70dee80fa8a67e634e967c13744ecd5da223f17a3420cedN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1768
- - 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:2452

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1108

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1108-31-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1108-24-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1108-32-0x00000000776F1000-0x00000000776F2000-memory.dmp

Filesize
4KB

Download
memory/1140-25-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1140-26-0x00000000776F1000-0x00000000776F2000-memory.dmp

Filesize
4KB

Download
memory/1252-19-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/1252-27-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/1252-28-0x00000000776F1000-0x00000000776F2000-memory.dmp

Filesize
4KB

Download
memory/1252-36-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/1320-4-0x0000000002940000-0x0000000002946000-memory.dmp

Filesize
24KB

Download
memory/1320-3-0x0000000002940000-0x0000000002946000-memory.dmp

Filesize
24KB

Download
memory/1320-2-0x0000000002940000-0x0000000002946000-memory.dmp

Filesize
24KB

Download
memory/1320-21-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1320-29-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1320-10-0x00000000776F1000-0x00000000776F2000-memory.dmp

Filesize
4KB

Download
memory/1768-12-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1768-13-0x0000000001BC0000-0x00000000025C0000-memory.dmp

Filesize
10.0MB

Download
memory/1768-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/1768-5-0x0000000001BC0000-0x00000000025C0000-memory.dmp

Filesize
10.0MB

Download
memory/1768-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2452-11-0x00000000776A0000-0x0000000077849000-memory.dmp

Filesize
1.7MB

Download
memory/2452-9-0x000000007789F000-0x00000000778A1000-memory.dmp

Filesize
8KB

Download
memory/2452-8-0x000000007789F000-0x00000000778A0000-memory.dmp

Filesize
4KB

Download
memory/2452-7-0x00000000778A0000-0x00000000778A1000-memory.dmp

Filesize
4KB

Download
memory/2452-30-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2452-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download