tinba | 52fd3a302b0381ff26184c0253080ea368c5d7d4b4920cf74f8bc08fe555651e

General

Target

c8c4fa472338d372697661942bbac360N.exe
Size

45KB
MD5

c8c4fa472338d372697661942bbac360
SHA1

b236b415bc66818739f5a0730eded9ff414fae02
SHA256

52fd3a302b0381ff26184c0253080ea368c5d7d4b4920cf74f8bc08fe555651e
SHA512

d94fe370e28c69302fbce5a56439551ce2f96c59c553b169a12c909b9929890055fb03257c020cae14d7592c756a0f1d89c15ecef646980a9502b55a9cb623f9
SSDEEP

768:EhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:osWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4316-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ECBD8F1D = "C:\\Users\\Admin\\AppData\\Roaming\\ECBD8F1D\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2416	4020	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	c8c4fa472338d372697661942bbac360N.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
4020	winver.exe
4020	winver.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

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

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4020	winver.exe
3452	Explorer.EXE
3452	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3452	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4316 wrote to memory of 4020	4316	c8c4fa472338d372697661942bbac360N.exe	85
PID 4316 wrote to memory of 4020	4316	c8c4fa472338d372697661942bbac360N.exe	85
PID 4316 wrote to memory of 4020	4316	c8c4fa472338d372697661942bbac360N.exe	85
PID 4316 wrote to memory of 4020	4316	c8c4fa472338d372697661942bbac360N.exe	85
PID 4020 wrote to memory of 3452	4020	winver.exe	56
PID 4020 wrote to memory of 2832	4020	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2832

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:3452
- C:\Users\Admin\AppData\Local\Temp\c8c4fa472338d372697661942bbac360N.exe
  "C:\Users\Admin\AppData\Local\Temp\c8c4fa472338d372697661942bbac360N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4316
- - 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:4020
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4020 -s 352
      4⤵
      Program crash
      PID:2416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4020 -ip 4020
1⤵
PID:5104

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/2832-19-0x00007FFFA0E30000-0x00007FFFA0E31000-memory.dmp

Filesize
4KB

Download
memory/2832-16-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/3452-8-0x00007FFFA0E40000-0x00007FFFA0E41000-memory.dmp

Filesize
4KB

Download
memory/3452-3-0x00000000013D0000-0x00000000013D6000-memory.dmp

Filesize
24KB

Download
memory/3452-2-0x00000000013D0000-0x00000000013D6000-memory.dmp

Filesize
24KB

Download
memory/3452-6-0x00007FFFA0CAD000-0x00007FFFA0CAE000-memory.dmp

Filesize
4KB

Download
memory/3452-12-0x00007FFFA0E20000-0x00007FFFA0E21000-memory.dmp

Filesize
4KB

Download
memory/4020-14-0x0000000001330000-0x0000000001336000-memory.dmp

Filesize
24KB

Download
memory/4020-7-0x00007FFFA0C10000-0x00007FFFA0E05000-memory.dmp

Filesize
2.0MB

Download
memory/4020-5-0x0000000077CE2000-0x0000000077CE3000-memory.dmp

Filesize
4KB

Download
memory/4020-17-0x0000000001330000-0x0000000001336000-memory.dmp

Filesize
24KB

Download
memory/4316-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4316-11-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/4316-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4316-4-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/4316-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads