tinba | ef5cea005214617bbf95c3794aac2e1f76f4fc2eaff175ebf75f6ea34bfb04e0

General

Target

ef5cea005214617bbf95c3794aac2e1f76f4fc2eaff175ebf75f6ea34bfb04e0N.exe
Size

225KB
MD5

dc5031389986045e9ea914bd87d83290
SHA1

186eab6cc83ad8c5d712de58591723abd8b66a58
SHA256

ef5cea005214617bbf95c3794aac2e1f76f4fc2eaff175ebf75f6ea34bfb04e0
SHA512

01f44cc99b68b561c953aef9c06f1099f8e1f92fb4fa24484bba662ff5fd07935df1e59968cb45d47ea87197991ac41ffa655814754e7f1f49d3809fe1b0ddaf
SSDEEP

6144:4A2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:4ATuTAnKGwUAW3ycQqgf

Score

10^/10

tinba banker discovery persistence trojan

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker 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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\92AABF35 = "C:\\Users\\Admin\\AppData\\Roaming\\92AABF35\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	ef5cea005214617bbf95c3794aac2e1f76f4fc2eaff175ebf75f6ea34bfb04e0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe
3004	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3004	winver.exe
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2868 wrote to memory of 3004	2868	ef5cea005214617bbf95c3794aac2e1f76f4fc2eaff175ebf75f6ea34bfb04e0N.exe	30
PID 2868 wrote to memory of 3004	2868	ef5cea005214617bbf95c3794aac2e1f76f4fc2eaff175ebf75f6ea34bfb04e0N.exe	30
PID 2868 wrote to memory of 3004	2868	ef5cea005214617bbf95c3794aac2e1f76f4fc2eaff175ebf75f6ea34bfb04e0N.exe	30
PID 2868 wrote to memory of 3004	2868	ef5cea005214617bbf95c3794aac2e1f76f4fc2eaff175ebf75f6ea34bfb04e0N.exe	30
PID 2868 wrote to memory of 3004	2868	ef5cea005214617bbf95c3794aac2e1f76f4fc2eaff175ebf75f6ea34bfb04e0N.exe	30
PID 3004 wrote to memory of 1192	3004	winver.exe	21
PID 3004 wrote to memory of 1112	3004	winver.exe	19
PID 3004 wrote to memory of 1164	3004	winver.exe	20
PID 3004 wrote to memory of 1192	3004	winver.exe	21
PID 3004 wrote to memory of 1188	3004	winver.exe	23
PID 3004 wrote to memory of 2868	3004	winver.exe	27

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1192
- C:\Users\Admin\AppData\Local\Temp\ef5cea005214617bbf95c3794aac2e1f76f4fc2eaff175ebf75f6ea34bfb04e0N.exe
  "C:\Users\Admin\AppData\Local\Temp\ef5cea005214617bbf95c3794aac2e1f76f4fc2eaff175ebf75f6ea34bfb04e0N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2868
- - 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:3004

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1188

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 Information Discovery

1

T1082

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/1112-28-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/1112-11-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/1164-14-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1164-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1188-20-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1188-26-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1192-1-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1192-17-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1192-6-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1192-27-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/2868-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3004-25-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/3004-4-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/3004-31-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads