tinba | 81435690d97be25c7e55da610c6dfa2f5aa08d274dd16014865efe16ad78b11f

General

Target

81435690d97be25c7e55da610c6dfa2f5aa08d274dd16014865efe16ad78b11fN.exe
Size

110KB
MD5

e9c8014a032b75fe22c32905bec32b20
SHA1

56da61c9fa10d2503938fdd279957148ac45fac3
SHA256

81435690d97be25c7e55da610c6dfa2f5aa08d274dd16014865efe16ad78b11f
SHA512

5a4f5bafbe18e89b2a040445daf99514ea2abe728b4aba6cc2dabb6c76e6bc5250de93c1c72f187d72d4516123f72dceab47eb6340def6ecda2a65a46ea123e5
SSDEEP

1536:7iLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:7iyvRmDLs/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-1-5-21-70482961-775596374-3727440602-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\032476F2 = "C:\\Users\\Admin\\AppData\\Roaming\\032476F2\\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/1380-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2992	752	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	81435690d97be25c7e55da610c6dfa2f5aa08d274dd16014865efe16ad78b11fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
752	winver.exe
752	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3404	Explorer.EXE
Token: SeCreatePagefilePrivilege	3404	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
752	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3404	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1380 wrote to memory of 752	1380	81435690d97be25c7e55da610c6dfa2f5aa08d274dd16014865efe16ad78b11fN.exe	85
PID 1380 wrote to memory of 752	1380	81435690d97be25c7e55da610c6dfa2f5aa08d274dd16014865efe16ad78b11fN.exe	85
PID 1380 wrote to memory of 752	1380	81435690d97be25c7e55da610c6dfa2f5aa08d274dd16014865efe16ad78b11fN.exe	85
PID 1380 wrote to memory of 752	1380	81435690d97be25c7e55da610c6dfa2f5aa08d274dd16014865efe16ad78b11fN.exe	85
PID 752 wrote to memory of 3404	752	winver.exe	53
PID 752 wrote to memory of 1384	752	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:1384

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3404
- C:\Users\Admin\AppData\Local\Temp\81435690d97be25c7e55da610c6dfa2f5aa08d274dd16014865efe16ad78b11fN.exe
  "C:\Users\Admin\AppData\Local\Temp\81435690d97be25c7e55da610c6dfa2f5aa08d274dd16014865efe16ad78b11fN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1380
- - 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:752
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 752 -s 352
      4⤵
      Program crash
      PID:2992

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 752 -ip 752
1⤵
PID:1156

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/752-5-0x0000000077072000-0x0000000077073000-memory.dmp

Filesize
4KB

Download
memory/752-16-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/752-13-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/752-7-0x00007FFD6E650000-0x00007FFD6E845000-memory.dmp

Filesize
2.0MB

Download
memory/1380-10-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1380-4-0x00000000020A0000-0x0000000002AA0000-memory.dmp

Filesize
10.0MB

Download
memory/1380-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1380-11-0x00000000020A0000-0x0000000002AA0000-memory.dmp

Filesize
10.0MB

Download
memory/1380-1-0x0000000002010000-0x0000000002011000-memory.dmp

Filesize
4KB

Download
memory/1384-15-0x0000000000A80000-0x0000000000A86000-memory.dmp

Filesize
24KB

Download
memory/3404-6-0x00007FFD6E6ED000-0x00007FFD6E6EE000-memory.dmp

Filesize
4KB

Download
memory/3404-2-0x0000000000A10000-0x0000000000A16000-memory.dmp

Filesize
24KB

Download
memory/3404-8-0x00007FFD6E880000-0x00007FFD6E881000-memory.dmp

Filesize
4KB

Download
memory/3404-3-0x0000000000A10000-0x0000000000A16000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads