tinba | 1a49ffdef88b4127f3472e791381b16a3d5da82e094b31b70460d9d02b04f8f1

General

Target

1a49ffdef88b4127f3472e791381b16a3d5da82e094b31b70460d9d02b04f8f1N.exe
Size

160KB
MD5

2034cd951fc5f62c86d42ca3d08f75d0
SHA1

25cd22b345796b1f8bf7b7094708a49568ce07b9
SHA256

1a49ffdef88b4127f3472e791381b16a3d5da82e094b31b70460d9d02b04f8f1
SHA512

6438ab62943824aa701f8f4d25cc14cfab0a1024ed6b1908099ff98339874581186cea28314079460477630c0a0cbafc6300456cd811cd1c298af5bd6b5b19d8
SSDEEP

1536:3EY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:UY+4MiIkLZJNAQ9J6v

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-1-5-21-2278412438-3475196406-3686434223-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\16C697D0 = "C:\\Users\\Admin\\AppData\\Roaming\\16C697D0\\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/240-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3064	2760	WerFault.exe	85

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	1a49ffdef88b4127f3472e791381b16a3d5da82e094b31b70460d9d02b04f8f1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2760	winver.exe
2760	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3552	Explorer.EXE
Token: SeCreatePagefilePrivilege	3552	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2760	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3552	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 240 wrote to memory of 2760	240	1a49ffdef88b4127f3472e791381b16a3d5da82e094b31b70460d9d02b04f8f1N.exe	85
PID 240 wrote to memory of 2760	240	1a49ffdef88b4127f3472e791381b16a3d5da82e094b31b70460d9d02b04f8f1N.exe	85
PID 240 wrote to memory of 2760	240	1a49ffdef88b4127f3472e791381b16a3d5da82e094b31b70460d9d02b04f8f1N.exe	85
PID 240 wrote to memory of 2760	240	1a49ffdef88b4127f3472e791381b16a3d5da82e094b31b70460d9d02b04f8f1N.exe	85
PID 2760 wrote to memory of 3552	2760	winver.exe	56
PID 2760 wrote to memory of 2560	2760	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2560

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3552
- C:\Users\Admin\AppData\Local\Temp\1a49ffdef88b4127f3472e791381b16a3d5da82e094b31b70460d9d02b04f8f1N.exe
  "C:\Users\Admin\AppData\Local\Temp\1a49ffdef88b4127f3472e791381b16a3d5da82e094b31b70460d9d02b04f8f1N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:240
- - 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:2760
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2760 -s 352
      4⤵
      Program crash
      PID:3064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2760 -ip 2760
1⤵
PID:4984

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/240-4-0x0000000002230000-0x0000000002C30000-memory.dmp

Filesize
10.0MB

Download
memory/240-1-0x0000000000460000-0x0000000000461000-memory.dmp

Filesize
4KB

Download
memory/240-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/240-9-0x0000000002230000-0x0000000002C30000-memory.dmp

Filesize
10.0MB

Download
memory/240-8-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2560-15-0x00007FFE9A98D000-0x00007FFE9A98E000-memory.dmp

Filesize
4KB

Download
memory/2560-14-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2560-17-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2760-5-0x0000000077972000-0x0000000077973000-memory.dmp

Filesize
4KB

Download
memory/2760-7-0x00007FFE9A8F0000-0x00007FFE9AAE5000-memory.dmp

Filesize
2.0MB

Download
memory/2760-12-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/2760-16-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/3552-6-0x00007FFE9A98D000-0x00007FFE9A98E000-memory.dmp

Filesize
4KB

Download
memory/3552-2-0x0000000002620000-0x0000000002626000-memory.dmp

Filesize
24KB

Download
memory/3552-10-0x00007FFE9AB20000-0x00007FFE9AB21000-memory.dmp

Filesize
4KB

Download
memory/3552-3-0x0000000002620000-0x0000000002626000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads