tinba | ae49df75d88a95746ab8edb0bd8a5a3201bdb5dd3b52fa931bf7a20b691cd424

General

Target

9c32ada7436274394e9166c098828a40N.exe
Size

45KB
MD5

9c32ada7436274394e9166c098828a40
SHA1

480aad0b3e92af808439be5b009297e005a956a1
SHA256

ae49df75d88a95746ab8edb0bd8a5a3201bdb5dd3b52fa931bf7a20b691cd424
SHA512

b57804aa041540c5a63389112dfbb1deae21ecc19eb5432a50f7cb9b7026e624cb82f907213c37e8911cc4d439dcf585e2e925f94f9e76f5ce04e6fa86e8c94c
SSDEEP

768:lhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:3sWE9N5dFu53dsniQaB/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/1776-0-0x0000000000400000-0x000000000041D000-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-1-5-21-2392887640-1187051047-2909758433-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7552394A = "C:\\Users\\Admin\\AppData\\Roaming\\7552394A\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1476	3036	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	9c32ada7436274394e9166c098828a40N.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
3036	winver.exe
3036	winver.exe

Suspicious use of AdjustPrivilegeToken 18 IoCs

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

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3036	winver.exe
3404	Explorer.EXE
3404	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3404	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1776 wrote to memory of 3036	1776	9c32ada7436274394e9166c098828a40N.exe	85
PID 1776 wrote to memory of 3036	1776	9c32ada7436274394e9166c098828a40N.exe	85
PID 1776 wrote to memory of 3036	1776	9c32ada7436274394e9166c098828a40N.exe	85
PID 1776 wrote to memory of 3036	1776	9c32ada7436274394e9166c098828a40N.exe	85
PID 3036 wrote to memory of 3404	3036	winver.exe	56
PID 3036 wrote to memory of 2820	3036	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2820

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:3404
- C:\Users\Admin\AppData\Local\Temp\9c32ada7436274394e9166c098828a40N.exe
  "C:\Users\Admin\AppData\Local\Temp\9c32ada7436274394e9166c098828a40N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1776
- - 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:3036
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3036 -s 352
      4⤵
      Program crash
      PID:1476

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 3036 -ip 3036
1⤵
PID:1968

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/1776-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1776-1-0x00000000007C0000-0x00000000007C1000-memory.dmp

Filesize
4KB

Download
memory/1776-4-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Filesize
10.0MB

Download
memory/1776-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1776-11-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Filesize
10.0MB

Download
memory/2820-19-0x00007FF8EF130000-0x00007FF8EF131000-memory.dmp

Filesize
4KB

Download
memory/2820-16-0x0000000000F80000-0x0000000000F86000-memory.dmp

Filesize
24KB

Download
memory/3036-14-0x00000000011B0000-0x00000000011B6000-memory.dmp

Filesize
24KB

Download
memory/3036-7-0x00007FF8EEF10000-0x00007FF8EF105000-memory.dmp

Filesize
2.0MB

Download
memory/3036-5-0x0000000077BE2000-0x0000000077BE3000-memory.dmp

Filesize
4KB

Download
memory/3036-17-0x00000000011B0000-0x00000000011B6000-memory.dmp

Filesize
24KB

Download
memory/3404-8-0x00007FF8EF140000-0x00007FF8EF141000-memory.dmp

Filesize
4KB

Download
memory/3404-12-0x00007FF8EF120000-0x00007FF8EF121000-memory.dmp

Filesize
4KB

Download
memory/3404-6-0x00007FF8EEFAD000-0x00007FF8EEFAE000-memory.dmp

Filesize
4KB

Download
memory/3404-2-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/3404-3-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads