tinba | a6efc81f7050ae07074ba5d8e0d36dbac68c0fa9cd660a4aa20d6f91ac9e06c1

General

Target

a6efc81f7050ae07074ba5d8e0d36dbac68c0fa9cd660a4aa20d6f91ac9e06c1N.exe
Size

610KB
MD5

4b101cab4ba2e2f56ac3310470f45250
SHA1

4abb294f9d8b8c7667c0abd549b296bb575b1626
SHA256

a6efc81f7050ae07074ba5d8e0d36dbac68c0fa9cd660a4aa20d6f91ac9e06c1
SHA512

c89c7c53bc9abcddf6714fe7577b8210a8a509974e42798f70e238256972a19a02e728cfb7fd186b298e1c0e0e90d786221aaea3dbe49bc2f12f694dd23a0626
SSDEEP

12288:3ATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+E:9T+KjUdQqboyyWoK1NGqzuhh

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
Tinba family
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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\46B460A2 = "C:\\Users\\Admin\\AppData\\Roaming\\46B460A2\\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	a6efc81f7050ae07074ba5d8e0d36dbac68c0fa9cd660a4aa20d6f91ac9e06c1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe
2084	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2084	winver.exe
1248	Explorer.EXE
1248	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1248	Explorer.EXE
1248	Explorer.EXE

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2860 wrote to memory of 2084	2860	a6efc81f7050ae07074ba5d8e0d36dbac68c0fa9cd660a4aa20d6f91ac9e06c1N.exe	31
PID 2860 wrote to memory of 2084	2860	a6efc81f7050ae07074ba5d8e0d36dbac68c0fa9cd660a4aa20d6f91ac9e06c1N.exe	31
PID 2860 wrote to memory of 2084	2860	a6efc81f7050ae07074ba5d8e0d36dbac68c0fa9cd660a4aa20d6f91ac9e06c1N.exe	31
PID 2860 wrote to memory of 2084	2860	a6efc81f7050ae07074ba5d8e0d36dbac68c0fa9cd660a4aa20d6f91ac9e06c1N.exe	31
PID 2860 wrote to memory of 2084	2860	a6efc81f7050ae07074ba5d8e0d36dbac68c0fa9cd660a4aa20d6f91ac9e06c1N.exe	31
PID 2084 wrote to memory of 1248	2084	winver.exe	21
PID 2084 wrote to memory of 1100	2084	winver.exe	19
PID 2084 wrote to memory of 1160	2084	winver.exe	20
PID 2084 wrote to memory of 1248	2084	winver.exe	21
PID 2084 wrote to memory of 800	2084	winver.exe	25
PID 2084 wrote to memory of 2860	2084	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1248
- C:\Users\Admin\AppData\Local\Temp\a6efc81f7050ae07074ba5d8e0d36dbac68c0fa9cd660a4aa20d6f91ac9e06c1N.exe
  "C:\Users\Admin\AppData\Local\Temp\a6efc81f7050ae07074ba5d8e0d36dbac68c0fa9cd660a4aa20d6f91ac9e06c1N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2860
- - 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:2084

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:800

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/800-29-0x0000000001BF0000-0x0000000001BF6000-memory.dmp

Filesize
24KB

Download
memory/800-18-0x0000000001BF0000-0x0000000001BF6000-memory.dmp

Filesize
24KB

Download
memory/1100-9-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1100-26-0x0000000000410000-0x0000000000416000-memory.dmp

Filesize
24KB

Download
memory/1160-28-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1160-12-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1248-6-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1248-15-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1248-3-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1248-27-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1248-1-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/2084-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2084-23-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2084-5-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2084-31-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2860-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads