tinba | 42012e18be057d08ac24afe62e0473db2d37bbda04640220e4b25683f6da4e1c

General

Target

42012e18be057d08ac24afe62e0473db2d37bbda04640220e4b25683f6da4e1cN.exe
Size

110KB
MD5

8abeac67618c4ba9eb50984f33165bd0
SHA1

10f486533e8ae2e05a6f673fa216fe9c80043c2d
SHA256

42012e18be057d08ac24afe62e0473db2d37bbda04640220e4b25683f6da4e1c
SHA512

a8d0af018962fb1d3e11d79ff0983dd30abc3b040f59d283551fa6f351190cf93b9f375dc34c2737af28d06c878e739e44592c3bc97a8bc99bb69b253ddf65bd
SSDEEP

1536:miLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:miyvRmDLs/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\8221811B = "C:\\Users\\Admin\\AppData\\Roaming\\8221811B\\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/116-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4456	5004	WerFault.exe	86

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	42012e18be057d08ac24afe62e0473db2d37bbda04640220e4b25683f6da4e1cN.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
5004	winver.exe
5004	winver.exe

Suspicious use of AdjustPrivilegeToken 14 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE
Token: SeShutdownPrivilege	3452	Explorer.EXE
Token: SeCreatePagefilePrivilege	3452	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
5004	winver.exe
3452	Explorer.EXE
3452	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3452	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 116 wrote to memory of 5004	116	42012e18be057d08ac24afe62e0473db2d37bbda04640220e4b25683f6da4e1cN.exe	86
PID 116 wrote to memory of 5004	116	42012e18be057d08ac24afe62e0473db2d37bbda04640220e4b25683f6da4e1cN.exe	86
PID 116 wrote to memory of 5004	116	42012e18be057d08ac24afe62e0473db2d37bbda04640220e4b25683f6da4e1cN.exe	86
PID 116 wrote to memory of 5004	116	42012e18be057d08ac24afe62e0473db2d37bbda04640220e4b25683f6da4e1cN.exe	86
PID 5004 wrote to memory of 3452	5004	winver.exe	56
PID 5004 wrote to memory of 2616	5004	winver.exe	44

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2616

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:3452
- C:\Users\Admin\AppData\Local\Temp\42012e18be057d08ac24afe62e0473db2d37bbda04640220e4b25683f6da4e1cN.exe
  "C:\Users\Admin\AppData\Local\Temp\42012e18be057d08ac24afe62e0473db2d37bbda04640220e4b25683f6da4e1cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:116
- - 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:5004
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 5004 -s 352
      4⤵
      Program crash
      PID:4456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 5004 -ip 5004
1⤵
PID:4228

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/116-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/116-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/116-11-0x00000000023B0000-0x0000000002DB0000-memory.dmp

Filesize
10.0MB

Download
memory/116-4-0x00000000023B0000-0x0000000002DB0000-memory.dmp

Filesize
10.0MB

Download
memory/116-10-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2616-16-0x0000000000890000-0x0000000000896000-memory.dmp

Filesize
24KB

Download
memory/3452-9-0x00007FF8DCC20000-0x00007FF8DCC21000-memory.dmp

Filesize
4KB

Download
memory/3452-7-0x00007FF8DCA8D000-0x00007FF8DCA8E000-memory.dmp

Filesize
4KB

Download
memory/3452-2-0x0000000001080000-0x0000000001086000-memory.dmp

Filesize
24KB

Download
memory/3452-12-0x00007FF8DCC00000-0x00007FF8DCC01000-memory.dmp

Filesize
4KB

Download
memory/3452-3-0x0000000001080000-0x0000000001086000-memory.dmp

Filesize
24KB

Download
memory/5004-5-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download
memory/5004-8-0x00007FF8DC9F0000-0x00007FF8DCBE5000-memory.dmp

Filesize
2.0MB

Download
memory/5004-6-0x0000000077A12000-0x0000000077A13000-memory.dmp

Filesize
4KB

Download
memory/5004-17-0x00000000005E0000-0x00000000005E6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads