tinba | 05cec2e76cb43c283138014f5ff9bc74169292c177642753eab6b37aecc2adb7

General

Target

e7423f0ae84d297e5ff8d62bbfef6fc0N.exe
Size

45KB
MD5

e7423f0ae84d297e5ff8d62bbfef6fc0
SHA1

7dffb78c3cab42b07c75901b8b0f96ae6520bf18
SHA256

05cec2e76cb43c283138014f5ff9bc74169292c177642753eab6b37aecc2adb7
SHA512

4a5e195106a57be0735be13dc7057fe4607f275d979717f359ad3a8e196c008e3ccac0595d4ab03ce8032c789371eba84bbb0b938ce0b1d41b5bd725bfa5f854
SSDEEP

768:fhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:JsWE9N5dFu53dsniQaB/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/1744-0-0x0000000000400000-0x000000000041D000-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\5105B93D = "C:\\Users\\Admin\\AppData\\Roaming\\5105B93D\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2616	2508	WerFault.exe	84

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	e7423f0ae84d297e5ff8d62bbfef6fc0N.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
2508	winver.exe
2508	winver.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE
Token: SeShutdownPrivilege	3548	Explorer.EXE
Token: SeCreatePagefilePrivilege	3548	Explorer.EXE

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2508	winver.exe
3548	Explorer.EXE
3548	Explorer.EXE

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3548	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1744 wrote to memory of 2508	1744	e7423f0ae84d297e5ff8d62bbfef6fc0N.exe	84
PID 1744 wrote to memory of 2508	1744	e7423f0ae84d297e5ff8d62bbfef6fc0N.exe	84
PID 1744 wrote to memory of 2508	1744	e7423f0ae84d297e5ff8d62bbfef6fc0N.exe	84
PID 1744 wrote to memory of 2508	1744	e7423f0ae84d297e5ff8d62bbfef6fc0N.exe	84
PID 2508 wrote to memory of 3548	2508	winver.exe	56
PID 2508 wrote to memory of 2632	2508	winver.exe	44

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2632

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:3548
- C:\Users\Admin\AppData\Local\Temp\e7423f0ae84d297e5ff8d62bbfef6fc0N.exe
  "C:\Users\Admin\AppData\Local\Temp\e7423f0ae84d297e5ff8d62bbfef6fc0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1744
- - 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:2508
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2508 -s 352
      4⤵
      Program crash
      PID:2616

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 2508 -ip 2508
1⤵
PID:3748

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/1744-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1744-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/1744-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1744-4-0x0000000002390000-0x0000000002D90000-memory.dmp

Filesize
10.0MB

Download
memory/1744-11-0x0000000002390000-0x0000000002D90000-memory.dmp

Filesize
10.0MB

Download
memory/2508-7-0x00007FFD3D2B0000-0x00007FFD3D4A5000-memory.dmp

Filesize
2.0MB

Download
memory/2508-5-0x0000000076F32000-0x0000000076F33000-memory.dmp

Filesize
4KB

Download
memory/2508-14-0x00000000029C0000-0x00000000029C6000-memory.dmp

Filesize
24KB

Download
memory/2508-17-0x00000000029C0000-0x00000000029C6000-memory.dmp

Filesize
24KB

Download
memory/2632-16-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/3548-6-0x00007FFD3D34D000-0x00007FFD3D34E000-memory.dmp

Filesize
4KB

Download
memory/3548-2-0x00000000014B0000-0x00000000014B6000-memory.dmp

Filesize
24KB

Download
memory/3548-3-0x00000000014B0000-0x00000000014B6000-memory.dmp

Filesize
24KB

Download
memory/3548-8-0x00007FFD3D4E0000-0x00007FFD3D4E1000-memory.dmp

Filesize
4KB

Download
memory/3548-12-0x00007FFD3D4C0000-0x00007FFD3D4C1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads