tinba | c7b61405726f975e81c648c5bc045c1de0de32f1f88a39bc910a2f6dcc8f1064

General

Target

1e0fd78830cbbfeebd8f0f6cd0a01860N.exe
Size

237KB
MD5

1e0fd78830cbbfeebd8f0f6cd0a01860
SHA1

e4593684d01f309ba4aef1d2438e60a5d7d8f083
SHA256

c7b61405726f975e81c648c5bc045c1de0de32f1f88a39bc910a2f6dcc8f1064
SHA512

653716f1f9b46fc7e1a9003174779d92d56d427a8d802afd9268b08703005010b28f1ccabc3417a568322f9a771f52d88f9021dd79e568ba21d520a36f26b86a
SSDEEP

6144:vA2P27yTAnKGw0hjFhSR/W1nyAJ9v0pMtRCpYQ:vATuTAnKGwUAWVycQqgj

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-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\11A8ED28 = "C:\\Users\\Admin\\AppData\\Roaming\\11A8ED28\\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	1e0fd78830cbbfeebd8f0f6cd0a01860N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe
2608	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2608	winver.exe
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1200	Explorer.EXE
1200	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 2608	2700	1e0fd78830cbbfeebd8f0f6cd0a01860N.exe	31
PID 2700 wrote to memory of 2608	2700	1e0fd78830cbbfeebd8f0f6cd0a01860N.exe	31
PID 2700 wrote to memory of 2608	2700	1e0fd78830cbbfeebd8f0f6cd0a01860N.exe	31
PID 2700 wrote to memory of 2608	2700	1e0fd78830cbbfeebd8f0f6cd0a01860N.exe	31
PID 2700 wrote to memory of 2608	2700	1e0fd78830cbbfeebd8f0f6cd0a01860N.exe	31
PID 2608 wrote to memory of 1200	2608	winver.exe	21
PID 2608 wrote to memory of 1104	2608	winver.exe	19
PID 2608 wrote to memory of 1152	2608	winver.exe	20
PID 2608 wrote to memory of 1200	2608	winver.exe	21
PID 2608 wrote to memory of 1248	2608	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1104

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1152

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1200
- C:\Users\Admin\AppData\Local\Temp\1e0fd78830cbbfeebd8f0f6cd0a01860N.exe
  "C:\Users\Admin\AppData\Local\Temp\1e0fd78830cbbfeebd8f0f6cd0a01860N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2700
- - 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:2608

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1248

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/1104-11-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1104-24-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1152-26-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1152-14-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1200-17-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1200-1-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1200-6-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002530000-0x0000000002536000-memory.dmp

Filesize
24KB

Download
memory/1200-25-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1248-20-0x0000000001D00000-0x0000000001D06000-memory.dmp

Filesize
24KB

Download
memory/1248-27-0x0000000001D00000-0x0000000001D06000-memory.dmp

Filesize
24KB

Download
memory/2608-4-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2608-23-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2608-29-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2700-8-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads