tinba | 3c174e24256150711dd2d7eb211b3d58556198bf2cf16267e59bfa7e1c0dae59

General

Target

4b1e9a5c388c8c7ff6d3c70a68e11a40N.exe
Size

124KB
MD5

4b1e9a5c388c8c7ff6d3c70a68e11a40
SHA1

bbc725e44886fbd52be2d52ff8b18d044b648d30
SHA256

3c174e24256150711dd2d7eb211b3d58556198bf2cf16267e59bfa7e1c0dae59
SHA512

2de7ff367ea73d9ac004baaee5fe8b5a27824e303e39b8e1b5eb4fd19bca1cda2055c67044132546701593e08088466eaf0ffda052ed3f33892f808074110070
SSDEEP

3072:NzvokZR/KM/ysjwqWsNzrOrEjrELYrEr:NzvokZNKkIUNrOrarJr

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-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9D917206 = "C:\\Users\\Admin\\AppData\\Roaming\\9D917206\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
416	2952	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	4b1e9a5c388c8c7ff6d3c70a68e11a40N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2952	winver.exe
2952	winver.exe

Suspicious use of AdjustPrivilegeToken 22 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE
Token: SeShutdownPrivilege	3436	Explorer.EXE
Token: SeCreatePagefilePrivilege	3436	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2952	winver.exe
3436	Explorer.EXE
3436	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3436	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4064 wrote to memory of 2952	4064	4b1e9a5c388c8c7ff6d3c70a68e11a40N.exe	85
PID 4064 wrote to memory of 2952	4064	4b1e9a5c388c8c7ff6d3c70a68e11a40N.exe	85
PID 4064 wrote to memory of 2952	4064	4b1e9a5c388c8c7ff6d3c70a68e11a40N.exe	85
PID 4064 wrote to memory of 2952	4064	4b1e9a5c388c8c7ff6d3c70a68e11a40N.exe	85
PID 2952 wrote to memory of 3436	2952	winver.exe	56
PID 2952 wrote to memory of 2452	2952	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2452

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of UnmapMainImage
PID:3436
- C:\Users\Admin\AppData\Local\Temp\4b1e9a5c388c8c7ff6d3c70a68e11a40N.exe
  "C:\Users\Admin\AppData\Local\Temp\4b1e9a5c388c8c7ff6d3c70a68e11a40N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4064
- - 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:2952
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2952 -s 352
      4⤵
      Program crash
      PID:416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2952 -ip 2952
1⤵
PID:2684

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/2452-17-0x00007FFF7A8B0000-0x00007FFF7A8B1000-memory.dmp

Filesize
4KB

Download
memory/2452-14-0x0000000000E60000-0x0000000000E66000-memory.dmp

Filesize
24KB

Download
memory/2952-12-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/2952-4-0x0000000077D02000-0x0000000077D03000-memory.dmp

Filesize
4KB

Download
memory/2952-6-0x00007FFF7A690000-0x00007FFF7A885000-memory.dmp

Filesize
2.0MB

Download
memory/2952-15-0x00000000024E0000-0x00000000024E6000-memory.dmp

Filesize
24KB

Download
memory/3436-1-0x0000000001300000-0x0000000001306000-memory.dmp

Filesize
24KB

Download
memory/3436-2-0x0000000001300000-0x0000000001306000-memory.dmp

Filesize
24KB

Download
memory/3436-5-0x00007FFF7A72D000-0x00007FFF7A72E000-memory.dmp

Filesize
4KB

Download
memory/3436-7-0x00007FFF7A8C0000-0x00007FFF7A8C1000-memory.dmp

Filesize
4KB

Download
memory/3436-10-0x00007FFF7A8A0000-0x00007FFF7A8A1000-memory.dmp

Filesize
4KB

Download
memory/4064-3-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/4064-9-0x0000000002200000-0x0000000002C00000-memory.dmp

Filesize
10.0MB

Download
memory/4064-8-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/4064-0-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads