tinba | 744e8aa80821ff46a59bb2c3f11467052739ed9aa97ecaab38867b46d9472f27

General

Target

744e8aa80821ff46a59bb2c3f11467052739ed9aa97ecaab38867b46d9472f27.exe
Size

110KB
MD5

4842a2aadfae8ca21c5925adf1840845
SHA1

3734af895d63e0c464846c4a8b12dfa376b303fd
SHA256

744e8aa80821ff46a59bb2c3f11467052739ed9aa97ecaab38867b46d9472f27
SHA512

b3326bb68ab93fdddf0e421295cd2572a146c7d1b44710049e28084000a13b484de8b8b6c0669ea9c99639258fd9bee3014832d44325d861d2d72826253a6cbe
SSDEEP

1536:UiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EQ:UiyvRmDLs/ZrwWJjAqGcRJ2hQ

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-1-5-21-3625106387-4207083342-115176794-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\A567E752 = "C:\\Users\\Admin\\AppData\\Roaming\\A567E752\\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/1412-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3672	2156	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	744e8aa80821ff46a59bb2c3f11467052739ed9aa97ecaab38867b46d9472f27.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2156	winver.exe
2156	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3552	Explorer.EXE
Token: SeCreatePagefilePrivilege	3552	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2156	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3552	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1412 wrote to memory of 2156	1412	744e8aa80821ff46a59bb2c3f11467052739ed9aa97ecaab38867b46d9472f27.exe	85
PID 1412 wrote to memory of 2156	1412	744e8aa80821ff46a59bb2c3f11467052739ed9aa97ecaab38867b46d9472f27.exe	85
PID 1412 wrote to memory of 2156	1412	744e8aa80821ff46a59bb2c3f11467052739ed9aa97ecaab38867b46d9472f27.exe	85
PID 1412 wrote to memory of 2156	1412	744e8aa80821ff46a59bb2c3f11467052739ed9aa97ecaab38867b46d9472f27.exe	85
PID 2156 wrote to memory of 3552	2156	winver.exe	56
PID 2156 wrote to memory of 2708	2156	winver.exe	45

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2708

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3552
- C:\Users\Admin\AppData\Local\Temp\744e8aa80821ff46a59bb2c3f11467052739ed9aa97ecaab38867b46d9472f27.exe
  "C:\Users\Admin\AppData\Local\Temp\744e8aa80821ff46a59bb2c3f11467052739ed9aa97ecaab38867b46d9472f27.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1412
- - 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:2156
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2156 -s 352
      4⤵
      Program crash
      PID:3672

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2156 -ip 2156
1⤵
PID:4576

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/1412-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1412-1-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/1412-10-0x0000000002060000-0x0000000002A60000-memory.dmp

Filesize
10.0MB

Download
memory/1412-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1412-4-0x0000000002060000-0x0000000002A60000-memory.dmp

Filesize
10.0MB

Download
memory/2156-5-0x0000000077EA2000-0x0000000077EA3000-memory.dmp

Filesize
4KB

Download
memory/2156-7-0x00007FFC32470000-0x00007FFC32665000-memory.dmp

Filesize
2.0MB

Download
memory/2156-12-0x00000000008A0000-0x00000000008A6000-memory.dmp

Filesize
24KB

Download
memory/2156-15-0x00000000008A0000-0x00000000008A6000-memory.dmp

Filesize
24KB

Download
memory/2708-14-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/3552-6-0x00007FFC3250D000-0x00007FFC3250E000-memory.dmp

Filesize
4KB

Download
memory/3552-8-0x00007FFC326A0000-0x00007FFC326A1000-memory.dmp

Filesize
4KB

Download
memory/3552-2-0x0000000000B70000-0x0000000000B76000-memory.dmp

Filesize
24KB

Download
memory/3552-3-0x0000000000B70000-0x0000000000B76000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads