tinba | 5a3e3f8b66b307f9fcc4ef8e6a68d3fd8e416b3716cfd5f6c0893a33b5169765

General

Target

5a3e3f8b66b307f9fcc4ef8e6a68d3fd8e416b3716cfd5f6c0893a33b5169765N.exe
Size

110KB
MD5

a38edeccb67c1ecfbb848171c7a8ec10
SHA1

af337e6e5f7ec44d85c0cde2326e14780031a490
SHA256

5a3e3f8b66b307f9fcc4ef8e6a68d3fd8e416b3716cfd5f6c0893a33b5169765
SHA512

01461307df5c7970a24f540c95bd3d1696f95b2b01c06d16817ff1a75b339b6d3598477e290b144457e61171716b917807ca45e525dff5cf061ab228505903e1
SSDEEP

1536:JiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:JiyvRmDLs/ZrwWJjAqGcRJ2hw

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\085EB9A7 = "C:\\Users\\Admin\\AppData\\Roaming\\085EB9A7\\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/1584-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4380	1904	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	5a3e3f8b66b307f9fcc4ef8e6a68d3fd8e416b3716cfd5f6c0893a33b5169765N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1904	winver.exe
1904	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3540	Explorer.EXE
Token: SeCreatePagefilePrivilege	3540	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1904	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1584 wrote to memory of 1904	1584	5a3e3f8b66b307f9fcc4ef8e6a68d3fd8e416b3716cfd5f6c0893a33b5169765N.exe	84
PID 1584 wrote to memory of 1904	1584	5a3e3f8b66b307f9fcc4ef8e6a68d3fd8e416b3716cfd5f6c0893a33b5169765N.exe	84
PID 1584 wrote to memory of 1904	1584	5a3e3f8b66b307f9fcc4ef8e6a68d3fd8e416b3716cfd5f6c0893a33b5169765N.exe	84
PID 1584 wrote to memory of 1904	1584	5a3e3f8b66b307f9fcc4ef8e6a68d3fd8e416b3716cfd5f6c0893a33b5169765N.exe	84
PID 1904 wrote to memory of 3540	1904	winver.exe	56
PID 1904 wrote to memory of 2568	1904	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2568

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3540
- C:\Users\Admin\AppData\Local\Temp\5a3e3f8b66b307f9fcc4ef8e6a68d3fd8e416b3716cfd5f6c0893a33b5169765N.exe
  "C:\Users\Admin\AppData\Local\Temp\5a3e3f8b66b307f9fcc4ef8e6a68d3fd8e416b3716cfd5f6c0893a33b5169765N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1584
- - 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:1904
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1904 -s 352
      4⤵
      Program crash
      PID:4380

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1904 -ip 1904
1⤵
PID:3324

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/1584-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1584-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/1584-2-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/1584-11-0x0000000002250000-0x0000000002C50000-memory.dmp

Filesize
10.0MB

Download
memory/1584-10-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1904-6-0x00000000779D2000-0x00000000779D3000-memory.dmp

Filesize
4KB

Download
memory/1904-5-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/1904-9-0x00007FF81CA50000-0x00007FF81CC45000-memory.dmp

Filesize
2.0MB

Download
memory/1904-13-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/1904-16-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/2568-15-0x0000000000830000-0x0000000000836000-memory.dmp

Filesize
24KB

Download
memory/3540-7-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download
memory/3540-8-0x00007FF81CAED000-0x00007FF81CAEE000-memory.dmp

Filesize
4KB

Download
memory/3540-3-0x0000000000B10000-0x0000000000B16000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads