tinba | fc14d735e213fb6bd70dee80fa8a67e634e967c13744ecd5da223f17a3420ced

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-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\28A4CDA9 = "C:\\Users\\Admin\\AppData\\Roaming\\28A4CDA9\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
836	3920	WerFault.exe	90

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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3920	winver.exe
3920	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3380	Explorer.EXE
Token: SeCreatePagefilePrivilege	3380	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3920	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 436 wrote to memory of 3920	436	fc14d735e213fb6bd70dee80fa8a67e634e967c13744ecd5da223f17a3420cedN.exe	90
PID 436 wrote to memory of 3920	436	fc14d735e213fb6bd70dee80fa8a67e634e967c13744ecd5da223f17a3420cedN.exe	90
PID 436 wrote to memory of 3920	436	fc14d735e213fb6bd70dee80fa8a67e634e967c13744ecd5da223f17a3420cedN.exe	90
PID 436 wrote to memory of 3920	436	fc14d735e213fb6bd70dee80fa8a67e634e967c13744ecd5da223f17a3420cedN.exe	90
PID 3920 wrote to memory of 3380	3920	winver.exe	56
PID 3920 wrote to memory of 3004	3920	winver.exe	51

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3004

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3380
- 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:436
- - 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:3920
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3920 -s 352
      4⤵
      Program crash
      PID:836

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4444,i,6510295916244954942,10164894160290787457,262144 --variations-seed-version --mojo-platform-channel-handle=4112 /prefetch:8
1⤵
PID:3236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 3920 -ip 3920
1⤵
PID:3952

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/436-9-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/436-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/436-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/436-4-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/436-10-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/3004-14-0x0000000000AC0000-0x0000000000AC6000-memory.dmp

Filesize
24KB

Download
memory/3380-2-0x0000000000890000-0x0000000000896000-memory.dmp

Filesize
24KB

Download
memory/3380-6-0x00007FF9EC6AD000-0x00007FF9EC6AE000-memory.dmp

Filesize
4KB

Download
memory/3380-3-0x0000000000890000-0x0000000000896000-memory.dmp

Filesize
24KB

Download
memory/3920-7-0x00007FF9EC610000-0x00007FF9EC805000-memory.dmp

Filesize
2.0MB

Download
memory/3920-5-0x0000000077B82000-0x0000000077B83000-memory.dmp

Filesize
4KB

Download
memory/3920-12-0x0000000000EC0000-0x0000000000EC6000-memory.dmp

Filesize
24KB

Download
memory/3920-15-0x0000000000EC0000-0x0000000000EC6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads