tinba | c643c90e20e6fcfc9327cc33dc3e8d239a986acbbcdbd49f8ee5706394769308

General

Target

c643c90e20e6fcfc9327cc33dc3e8d239a986acbbcdbd49f8ee5706394769308N.exe
Size

110KB
MD5

385aa9fa6ab24d6ff532877ecfb83c90
SHA1

5987c0c674c7f7d6b32c1361fdac0b82983f30e5
SHA256

c643c90e20e6fcfc9327cc33dc3e8d239a986acbbcdbd49f8ee5706394769308
SHA512

af04fe6b2540a7ba10c71d8cd30ca900ef6c289cd63426e5d60959409648f6b75e871e32686393f91151684dc300ebcc5557b7103cdcfe533a7d2f00a82429b9
SSDEEP

1536:liLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:liyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9F9DDFA8 = "C:\\Users\\Admin\\AppData\\Roaming\\9F9DDFA8\\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/4856-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3132	1096	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	c643c90e20e6fcfc9327cc33dc3e8d239a986acbbcdbd49f8ee5706394769308N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1096	winver.exe
1096	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1096	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4856 wrote to memory of 1096	4856	c643c90e20e6fcfc9327cc33dc3e8d239a986acbbcdbd49f8ee5706394769308N.exe	84
PID 4856 wrote to memory of 1096	4856	c643c90e20e6fcfc9327cc33dc3e8d239a986acbbcdbd49f8ee5706394769308N.exe	84
PID 4856 wrote to memory of 1096	4856	c643c90e20e6fcfc9327cc33dc3e8d239a986acbbcdbd49f8ee5706394769308N.exe	84
PID 4856 wrote to memory of 1096	4856	c643c90e20e6fcfc9327cc33dc3e8d239a986acbbcdbd49f8ee5706394769308N.exe	84
PID 1096 wrote to memory of 3432	1096	winver.exe	56
PID 1096 wrote to memory of 2540	1096	winver.exe	42

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2540

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
- C:\Users\Admin\AppData\Local\Temp\c643c90e20e6fcfc9327cc33dc3e8d239a986acbbcdbd49f8ee5706394769308N.exe
  "C:\Users\Admin\AppData\Local\Temp\c643c90e20e6fcfc9327cc33dc3e8d239a986acbbcdbd49f8ee5706394769308N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4856
- - 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:1096
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1096 -s 352
      4⤵
      Program crash
      PID:3132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1096 -ip 1096
1⤵
PID:4264

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/1096-5-0x0000000077BC2000-0x0000000077BC3000-memory.dmp

Filesize
4KB

Download
memory/1096-15-0x0000000001060000-0x0000000001066000-memory.dmp

Filesize
24KB

Download
memory/1096-12-0x0000000001060000-0x0000000001066000-memory.dmp

Filesize
24KB

Download
memory/1096-7-0x00007FFAE7050000-0x00007FFAE7245000-memory.dmp

Filesize
2.0MB

Download
memory/2540-16-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download
memory/2540-14-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download
memory/3432-2-0x00000000007E0000-0x00000000007E6000-memory.dmp

Filesize
24KB

Download
memory/3432-6-0x00007FFAE70ED000-0x00007FFAE70EE000-memory.dmp

Filesize
4KB

Download
memory/3432-3-0x00000000007E0000-0x00000000007E6000-memory.dmp

Filesize
24KB

Download
memory/4856-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4856-10-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/4856-4-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/4856-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4856-1-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads