tinba | b1c2c0cbfb0d08c60e070067145d8da49db21cce22d186cf92c6f0607587a125

General

Target

e68080a8c07c4208564f25bfb993cc20N.exe
Size

160KB
MD5

e68080a8c07c4208564f25bfb993cc20
SHA1

d4da661a6154213deb413654f7b24ee78314cb21
SHA256

b1c2c0cbfb0d08c60e070067145d8da49db21cce22d186cf92c6f0607587a125
SHA512

13cfb37eaef30f83b36cd6195319ab423a0da0a0d3340aef31cd551a20f82f365597c1658457f62d3c40c49a3b8457da162fa91ad4f889c6fc146f61007880e9
SSDEEP

1536:IEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:LY+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

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/2880-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

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-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\17DEF94D = "C:\\Users\\Admin\\AppData\\Roaming\\17DEF94D\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1220	3288	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e68080a8c07c4208564f25bfb993cc20N.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
3288	winver.exe
3288	winver.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3608	Explorer.EXE
Token: SeCreatePagefilePrivilege	3608	Explorer.EXE
Token: SeShutdownPrivilege	3608	Explorer.EXE
Token: SeCreatePagefilePrivilege	3608	Explorer.EXE
Token: SeShutdownPrivilege	3608	Explorer.EXE
Token: SeCreatePagefilePrivilege	3608	Explorer.EXE
Token: SeShutdownPrivilege	3608	Explorer.EXE
Token: SeCreatePagefilePrivilege	3608	Explorer.EXE
Token: SeShutdownPrivilege	3608	Explorer.EXE
Token: SeCreatePagefilePrivilege	3608	Explorer.EXE
Token: SeShutdownPrivilege	3608	Explorer.EXE
Token: SeCreatePagefilePrivilege	3608	Explorer.EXE
Token: SeShutdownPrivilege	3608	Explorer.EXE
Token: SeCreatePagefilePrivilege	3608	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3288	winver.exe
3608	Explorer.EXE
3608	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3608	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 3288	2880	e68080a8c07c4208564f25bfb993cc20N.exe	84
PID 2880 wrote to memory of 3288	2880	e68080a8c07c4208564f25bfb993cc20N.exe	84
PID 2880 wrote to memory of 3288	2880	e68080a8c07c4208564f25bfb993cc20N.exe	84
PID 2880 wrote to memory of 3288	2880	e68080a8c07c4208564f25bfb993cc20N.exe	84
PID 3288 wrote to memory of 3608	3288	winver.exe	56
PID 3288 wrote to memory of 2628	3288	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2628

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:3608
- C:\Users\Admin\AppData\Local\Temp\e68080a8c07c4208564f25bfb993cc20N.exe
  "C:\Users\Admin\AppData\Local\Temp\e68080a8c07c4208564f25bfb993cc20N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2880
- - 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:3288
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3288 -s 352
      4⤵
      Program crash
      PID:1220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3288 -ip 3288
1⤵
PID:964

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2628-15-0x0000000000680000-0x0000000000686000-memory.dmp

Filesize
24KB

Download
memory/2880-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2880-1-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/2880-10-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/2880-4-0x00000000021E0000-0x0000000002BE0000-memory.dmp

Filesize
10.0MB

Download
memory/2880-9-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3288-6-0x00007FFA68210000-0x00007FFA68405000-memory.dmp

Filesize
2.0MB

Download
memory/3288-13-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/3288-16-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/3608-7-0x00007FFA68440000-0x00007FFA68441000-memory.dmp

Filesize
4KB

Download
memory/3608-5-0x00007FFA682AD000-0x00007FFA682AE000-memory.dmp

Filesize
4KB

Download
memory/3608-2-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download
memory/3608-11-0x00007FFA68420000-0x00007FFA68421000-memory.dmp

Filesize
4KB

Download
memory/3608-3-0x00000000006D0000-0x00000000006D6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads