tinba | fd0bd6c0cc843f92c2f28f70c4d496976373175887fbdabf27ac7353ea7629a1

General

Target

fd0bd6c0cc843f92c2f28f70c4d496976373175887fbdabf27ac7353ea7629a1N.exe
Size

110KB
MD5

2b285cf292575248d75f8ab143d32500
SHA1

76bd4320e1acf6dc8786a95a8b807147dc7479f4
SHA256

fd0bd6c0cc843f92c2f28f70c4d496976373175887fbdabf27ac7353ea7629a1
SHA512

369e5b07b7bb8f6bf756a3ff25f5617fb108dc2fce76643d6871ef9e5fb9c2ae30989738a66c8d7b8c21aaee205c9cf69e2d85f75ca96bab18b1eb163721bc11
SSDEEP

1536:riLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:riyvRmDLs/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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\C7BD4907 = "C:\\Users\\Admin\\AppData\\Roaming\\C7BD4907\\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/3488-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4500	4804	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	fd0bd6c0cc843f92c2f28f70c4d496976373175887fbdabf27ac7353ea7629a1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.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
4804	winver.exe
4804	winver.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE
Token: SeShutdownPrivilege	3408	Explorer.EXE
Token: SeCreatePagefilePrivilege	3408	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4804	winver.exe
3408	Explorer.EXE
3408	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3408	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3488 wrote to memory of 4804	3488	fd0bd6c0cc843f92c2f28f70c4d496976373175887fbdabf27ac7353ea7629a1N.exe	85
PID 3488 wrote to memory of 4804	3488	fd0bd6c0cc843f92c2f28f70c4d496976373175887fbdabf27ac7353ea7629a1N.exe	85
PID 3488 wrote to memory of 4804	3488	fd0bd6c0cc843f92c2f28f70c4d496976373175887fbdabf27ac7353ea7629a1N.exe	85
PID 3488 wrote to memory of 4804	3488	fd0bd6c0cc843f92c2f28f70c4d496976373175887fbdabf27ac7353ea7629a1N.exe	85
PID 4804 wrote to memory of 3408	4804	winver.exe	55
PID 4804 wrote to memory of 2992	4804	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2992

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:3408
- C:\Users\Admin\AppData\Local\Temp\fd0bd6c0cc843f92c2f28f70c4d496976373175887fbdabf27ac7353ea7629a1N.exe
  "C:\Users\Admin\AppData\Local\Temp\fd0bd6c0cc843f92c2f28f70c4d496976373175887fbdabf27ac7353ea7629a1N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3488
- - 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:4804
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 352
      4⤵
      Program crash
      PID:4500

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4804 -ip 4804
1⤵
PID:1888

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

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Downloads

memory/2992-21-0x00007FF834C50000-0x00007FF834C51000-memory.dmp

Filesize
4KB

Download
memory/2992-17-0x0000000000E40000-0x0000000000E46000-memory.dmp

Filesize
24KB

Download
memory/3408-12-0x00007FF834C60000-0x00007FF834C61000-memory.dmp

Filesize
4KB

Download
memory/3408-2-0x00000000007A0000-0x00000000007A6000-memory.dmp

Filesize
24KB

Download
memory/3408-3-0x00000000007A0000-0x00000000007A6000-memory.dmp

Filesize
24KB

Download
memory/3408-7-0x00007FF834ACD000-0x00007FF834ACE000-memory.dmp

Filesize
4KB

Download
memory/3408-13-0x00007FF834C40000-0x00007FF834C41000-memory.dmp

Filesize
4KB

Download
memory/3488-4-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/3488-10-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3488-11-0x00000000021D0000-0x0000000002BD0000-memory.dmp

Filesize
10.0MB

Download
memory/3488-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3488-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/4804-8-0x00007FF834A30000-0x00007FF834C25000-memory.dmp

Filesize
2.0MB

Download
memory/4804-5-0x0000000000A20000-0x0000000000A26000-memory.dmp

Filesize
24KB

Download
memory/4804-6-0x0000000077702000-0x0000000077703000-memory.dmp

Filesize
4KB

Download
memory/4804-18-0x0000000000A20000-0x0000000000A26000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads