tinba | b8f274e0d3c3a9af9d3006a91376fef4a4c6058fecee6a7c48e98dd27992a961

General

Target

b8f274e0d3c3a9af9d3006a91376fef4a4c6058fecee6a7c48e98dd27992a961.exe
Size

610KB
MD5

f8b2cc4e785b1f3d4696f70e0ea8a728
SHA1

6e509f679269eccb4a0c79ea83f92a42044e8357
SHA256

b8f274e0d3c3a9af9d3006a91376fef4a4c6058fecee6a7c48e98dd27992a961
SHA512

aeefebb4c9d6e4c6d39397742fcbe2b47231d536c1423c055ff22da68ff0a15924daec15a42c08f2b90c338ef53af9a27935c89f46c2fe89bf86f10dcd81290b
SSDEEP

12288:OATuTAnKGwUAW3ycQqgYo3CyWoKEY3ZQi7gfqOuuh+c:gT+KjUdQqboyyWoK1NGqzuhD

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\498A98B3 = "C:\\Users\\Admin\\AppData\\Roaming\\498A98B3\\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	b8f274e0d3c3a9af9d3006a91376fef4a4c6058fecee6a7c48e98dd27992a961.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 46 IoCs

pid	Process
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe
2828	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2828	winver.exe
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1952 wrote to memory of 2828	1952	b8f274e0d3c3a9af9d3006a91376fef4a4c6058fecee6a7c48e98dd27992a961.exe	31
PID 1952 wrote to memory of 2828	1952	b8f274e0d3c3a9af9d3006a91376fef4a4c6058fecee6a7c48e98dd27992a961.exe	31
PID 1952 wrote to memory of 2828	1952	b8f274e0d3c3a9af9d3006a91376fef4a4c6058fecee6a7c48e98dd27992a961.exe	31
PID 1952 wrote to memory of 2828	1952	b8f274e0d3c3a9af9d3006a91376fef4a4c6058fecee6a7c48e98dd27992a961.exe	31
PID 1952 wrote to memory of 2828	1952	b8f274e0d3c3a9af9d3006a91376fef4a4c6058fecee6a7c48e98dd27992a961.exe	31
PID 2828 wrote to memory of 1204	2828	winver.exe	21
PID 2828 wrote to memory of 1108	2828	winver.exe	19
PID 2828 wrote to memory of 1168	2828	winver.exe	20
PID 2828 wrote to memory of 1204	2828	winver.exe	21
PID 2828 wrote to memory of 376	2828	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1204
- C:\Users\Admin\AppData\Local\Temp\b8f274e0d3c3a9af9d3006a91376fef4a4c6058fecee6a7c48e98dd27992a961.exe
  "C:\Users\Admin\AppData\Local\Temp\b8f274e0d3c3a9af9d3006a91376fef4a4c6058fecee6a7c48e98dd27992a961.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1952
- - 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:2828

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:376

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/376-20-0x0000000001F00000-0x0000000001F06000-memory.dmp

Filesize
24KB

Download
memory/376-27-0x0000000001F00000-0x0000000001F06000-memory.dmp

Filesize
24KB

Download
memory/1108-11-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/1108-24-0x00000000003D0000-0x00000000003D6000-memory.dmp

Filesize
24KB

Download
memory/1168-26-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-14-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1204-6-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1204-1-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/1204-17-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download
memory/1204-25-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download
memory/1952-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2828-4-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2828-23-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2828-29-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads