tinba | afdeb77efb31452eb15378af9f5636f8693fe76713829782d2ee9d69e5ff3295

General

Target

afdeb77efb31452eb15378af9f5636f8693fe76713829782d2ee9d69e5ff3295N.exe
Size

110KB
MD5

24bdbbac7ede8b0565fe7da766124d90
SHA1

f2c039934691c0daf5fe4f8fc6643fac3db2a4b7
SHA256

afdeb77efb31452eb15378af9f5636f8693fe76713829782d2ee9d69e5ff3295
SHA512

87dab51bac6193e214444f9e451273f9b7dc44e7c292a0c3a942e3eff78d1c33a322060ede10b9d4cb7204f2ce85ce697c81285687c9a797862eeb7c34735e90
SSDEEP

1536:qiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:qiyvRmDLs/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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DE18AA0F = "C:\\Users\\Admin\\AppData\\Roaming\\DE18AA0F\\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/1288-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
368	3648	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	afdeb77efb31452eb15378af9f5636f8693fe76713829782d2ee9d69e5ff3295N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Modifies registry class 3 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\	Explorer.EXE
Key created	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	Explorer.EXE
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	Explorer.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3648	winver.exe
3648	winver.exe

Suspicious use of AdjustPrivilegeToken 26 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3648	winver.exe
3548	Explorer.EXE
3548	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3548	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1288 wrote to memory of 3648	1288	afdeb77efb31452eb15378af9f5636f8693fe76713829782d2ee9d69e5ff3295N.exe	85
PID 1288 wrote to memory of 3648	1288	afdeb77efb31452eb15378af9f5636f8693fe76713829782d2ee9d69e5ff3295N.exe	85
PID 1288 wrote to memory of 3648	1288	afdeb77efb31452eb15378af9f5636f8693fe76713829782d2ee9d69e5ff3295N.exe	85
PID 1288 wrote to memory of 3648	1288	afdeb77efb31452eb15378af9f5636f8693fe76713829782d2ee9d69e5ff3295N.exe	85
PID 3648 wrote to memory of 3548	3648	winver.exe	56
PID 3648 wrote to memory of 2652	3648	winver.exe	44

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2652

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:3548
- C:\Users\Admin\AppData\Local\Temp\afdeb77efb31452eb15378af9f5636f8693fe76713829782d2ee9d69e5ff3295N.exe
  "C:\Users\Admin\AppData\Local\Temp\afdeb77efb31452eb15378af9f5636f8693fe76713829782d2ee9d69e5ff3295N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1288
- - 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:3648
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3648 -s 352
      4⤵
      Program crash
      PID:368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3648 -ip 3648
1⤵
PID:3344

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/1288-10-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1288-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/1288-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1288-4-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/1288-12-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/2652-17-0x00000000007C0000-0x00000000007C6000-memory.dmp

Filesize
24KB

Download
memory/3548-2-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/3548-7-0x00007FFBB7ECD000-0x00007FFBB7ECE000-memory.dmp

Filesize
4KB

Download
memory/3548-11-0x00007FFBB8060000-0x00007FFBB8061000-memory.dmp

Filesize
4KB

Download
memory/3548-13-0x00007FFBB8040000-0x00007FFBB8041000-memory.dmp

Filesize
4KB

Download
memory/3548-3-0x0000000000670000-0x0000000000676000-memory.dmp

Filesize
24KB

Download
memory/3648-5-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download
memory/3648-8-0x00007FFBB7E30000-0x00007FFBB8025000-memory.dmp

Filesize
2.0MB

Download
memory/3648-6-0x0000000077DE2000-0x0000000077DE3000-memory.dmp

Filesize
4KB

Download
memory/3648-18-0x00000000025D0000-0x00000000025D6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads