tinba | b492cc7380179335df3bd804f08e2a7472dbe5c7198d5290cedfa989f59c7a3c

General

Target

b492cc7380179335df3bd804f08e2a7472dbe5c7198d5290cedfa989f59c7a3c.exe
Size

34KB
MD5

7e8b96769a8eae870aa366fb072bf6e5
SHA1

cb50dbaa562120d40e0c4242afc51a5ce50b450f
SHA256

b492cc7380179335df3bd804f08e2a7472dbe5c7198d5290cedfa989f59c7a3c
SHA512

219fc632f9b9d5d924539b3fbf68a9221ba24f246b30bdc60c6b33ed35d762371d0dbe9fd5dc6cfbe078dc9bb2da80cd0c386ad3f2ec4c94a4971ac693f40c77
SSDEEP

768:Bp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9Jy:BpYoX58z1uirL98xMWnT0OQ9Jy

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-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\8D864B91 = "C:\\Users\\Admin\\AppData\\Roaming\\8D864B91\\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/2980-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2316	2700	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	b492cc7380179335df3bd804f08e2a7472dbe5c7198d5290cedfa989f59c7a3c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2700	winver.exe
2700	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

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

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2700	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 2700	2980	b492cc7380179335df3bd804f08e2a7472dbe5c7198d5290cedfa989f59c7a3c.exe	84
PID 2980 wrote to memory of 2700	2980	b492cc7380179335df3bd804f08e2a7472dbe5c7198d5290cedfa989f59c7a3c.exe	84
PID 2980 wrote to memory of 2700	2980	b492cc7380179335df3bd804f08e2a7472dbe5c7198d5290cedfa989f59c7a3c.exe	84
PID 2980 wrote to memory of 2700	2980	b492cc7380179335df3bd804f08e2a7472dbe5c7198d5290cedfa989f59c7a3c.exe	84
PID 2700 wrote to memory of 3436	2700	winver.exe	56
PID 2700 wrote to memory of 2616	2700	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2616

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3436
- C:\Users\Admin\AppData\Local\Temp\b492cc7380179335df3bd804f08e2a7472dbe5c7198d5290cedfa989f59c7a3c.exe
  "C:\Users\Admin\AppData\Local\Temp\b492cc7380179335df3bd804f08e2a7472dbe5c7198d5290cedfa989f59c7a3c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2980
- - 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:2700
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2700 -s 352
      4⤵
      Program crash
      PID:2316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 2700 -ip 2700
1⤵
PID:3124

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/2616-17-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2616-15-0x00007FFC9E28D000-0x00007FFC9E28E000-memory.dmp

Filesize
4KB

Download
memory/2616-14-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/2700-7-0x00007FFC9E1F0000-0x00007FFC9E3E5000-memory.dmp

Filesize
2.0MB

Download
memory/2700-16-0x00000000013B0000-0x00000000013B6000-memory.dmp

Filesize
24KB

Download
memory/2700-12-0x00000000013B0000-0x00000000013B6000-memory.dmp

Filesize
24KB

Download
memory/2700-5-0x0000000077062000-0x0000000077063000-memory.dmp

Filesize
4KB

Download
memory/2980-9-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2980-10-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Filesize
10.0MB

Download
memory/2980-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2980-4-0x00000000022E0000-0x0000000002CE0000-memory.dmp

Filesize
10.0MB

Download
memory/2980-1-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/3436-6-0x00007FFC9E28D000-0x00007FFC9E28E000-memory.dmp

Filesize
4KB

Download
memory/3436-2-0x0000000000870000-0x0000000000876000-memory.dmp

Filesize
24KB

Download
memory/3436-3-0x0000000000870000-0x0000000000876000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads