tinba | 76945c89b7635c63bbf89904c934ac45eb623512dbcad04be4e9bd32ebf50d2a

General

Target

76945c89b7635c63bbf89904c934ac45eb623512dbcad04be4e9bd32ebf50d2aN.exe
Size

110KB
MD5

5f0f20da6c147174ff5a627574c17a30
SHA1

1eca72078d40c0b19725a3c28721cbc323199d65
SHA256

76945c89b7635c63bbf89904c934ac45eb623512dbcad04be4e9bd32ebf50d2a
SHA512

370433514af4dc7dd89a186d14d30f790d47097baac98d92381d5a415dff460b7c2872838893911e6e215c7f9859d78ad46c6298f73352b90d02abcd16665418
SSDEEP

1536:IiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:IiyvRmDLs/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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\22ED210B = "C:\\Users\\Admin\\AppData\\Roaming\\22ED210B\\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/452-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4016	3912	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	76945c89b7635c63bbf89904c934ac45eb623512dbcad04be4e9bd32ebf50d2aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3912	winver.exe
3912	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

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

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3912	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3452	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 452 wrote to memory of 3912	452	76945c89b7635c63bbf89904c934ac45eb623512dbcad04be4e9bd32ebf50d2aN.exe	85
PID 452 wrote to memory of 3912	452	76945c89b7635c63bbf89904c934ac45eb623512dbcad04be4e9bd32ebf50d2aN.exe	85
PID 452 wrote to memory of 3912	452	76945c89b7635c63bbf89904c934ac45eb623512dbcad04be4e9bd32ebf50d2aN.exe	85
PID 452 wrote to memory of 3912	452	76945c89b7635c63bbf89904c934ac45eb623512dbcad04be4e9bd32ebf50d2aN.exe	85
PID 3912 wrote to memory of 3452	3912	winver.exe	56
PID 3912 wrote to memory of 2868	3912	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2868

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3452
- C:\Users\Admin\AppData\Local\Temp\76945c89b7635c63bbf89904c934ac45eb623512dbcad04be4e9bd32ebf50d2aN.exe
  "C:\Users\Admin\AppData\Local\Temp\76945c89b7635c63bbf89904c934ac45eb623512dbcad04be4e9bd32ebf50d2aN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:452
- - 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:3912
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3912 -s 352
      4⤵
      Program crash
      PID:4016

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3912 -ip 3912
1⤵
PID:2924

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/452-4-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/452-1-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/452-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/452-10-0x0000000002210000-0x0000000002C10000-memory.dmp

Filesize
10.0MB

Download
memory/452-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2868-18-0x00007FF842BF0000-0x00007FF842BF1000-memory.dmp

Filesize
4KB

Download
memory/2868-15-0x00000000007F0000-0x00000000007F6000-memory.dmp

Filesize
24KB

Download
memory/3452-3-0x0000000001030000-0x0000000001036000-memory.dmp

Filesize
24KB

Download
memory/3452-11-0x00007FF842C00000-0x00007FF842C01000-memory.dmp

Filesize
4KB

Download
memory/3452-6-0x00007FF842A6D000-0x00007FF842A6E000-memory.dmp

Filesize
4KB

Download
memory/3452-2-0x0000000001030000-0x0000000001036000-memory.dmp

Filesize
24KB

Download
memory/3912-5-0x00000000778A2000-0x00000000778A3000-memory.dmp

Filesize
4KB

Download
memory/3912-7-0x00007FF8429D0000-0x00007FF842BC5000-memory.dmp

Filesize
2.0MB

Download
memory/3912-13-0x0000000001340000-0x0000000001346000-memory.dmp

Filesize
24KB

Download
memory/3912-16-0x0000000001340000-0x0000000001346000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads