tinba | 4a027c3ae6a881b357b009c7f59e13fe69d9a3d36dc0ba1e0c30742cf4adb42e

General

Target

4a027c3ae6a881b357b009c7f59e13fe69d9a3d36dc0ba1e0c30742cf4adb42e.exe
Size

225KB
MD5

d37f02717fe2f2b6cfa27e3cbb233424
SHA1

42abb67d9ec0ebe3cba83b15a7b1b1e54c52ea31
SHA256

4a027c3ae6a881b357b009c7f59e13fe69d9a3d36dc0ba1e0c30742cf4adb42e
SHA512

b855311c20dc565bf6d362a8b2fceba5d74891a0d0857356e3e61eeba31bb421e61f9e244ac28f0171ec4df3a2b767d17877075c32f68ba1bb1a5f362465361f
SSDEEP

6144:XA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:XATuTAnKGwUAW3ycQqgf

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\40501D3E = "C:\\Users\\Admin\\AppData\\Roaming\\40501D3E\\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	4a027c3ae6a881b357b009c7f59e13fe69d9a3d36dc0ba1e0c30742cf4adb42e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 47 IoCs

pid	Process
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe
1720	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1720	winver.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 1720	3068	4a027c3ae6a881b357b009c7f59e13fe69d9a3d36dc0ba1e0c30742cf4adb42e.exe	30
PID 3068 wrote to memory of 1720	3068	4a027c3ae6a881b357b009c7f59e13fe69d9a3d36dc0ba1e0c30742cf4adb42e.exe	30
PID 3068 wrote to memory of 1720	3068	4a027c3ae6a881b357b009c7f59e13fe69d9a3d36dc0ba1e0c30742cf4adb42e.exe	30
PID 3068 wrote to memory of 1720	3068	4a027c3ae6a881b357b009c7f59e13fe69d9a3d36dc0ba1e0c30742cf4adb42e.exe	30
PID 3068 wrote to memory of 1720	3068	4a027c3ae6a881b357b009c7f59e13fe69d9a3d36dc0ba1e0c30742cf4adb42e.exe	30
PID 1720 wrote to memory of 1268	1720	winver.exe	21
PID 1720 wrote to memory of 1116	1720	winver.exe	19
PID 1720 wrote to memory of 1176	1720	winver.exe	20
PID 1720 wrote to memory of 1268	1720	winver.exe	21
PID 1720 wrote to memory of 1312	1720	winver.exe	23
PID 1720 wrote to memory of 3068	1720	winver.exe	29

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1268
- C:\Users\Admin\AppData\Local\Temp\4a027c3ae6a881b357b009c7f59e13fe69d9a3d36dc0ba1e0c30742cf4adb42e.exe
  "C:\Users\Admin\AppData\Local\Temp\4a027c3ae6a881b357b009c7f59e13fe69d9a3d36dc0ba1e0c30742cf4adb42e.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3068
- - 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:1720

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1312

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/1116-26-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1116-9-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1176-12-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1176-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1268-1-0x0000000002B10000-0x0000000002B16000-memory.dmp

Filesize
24KB

Download
memory/1268-6-0x0000000002B10000-0x0000000002B16000-memory.dmp

Filesize
24KB

Download
memory/1268-3-0x0000000002B10000-0x0000000002B16000-memory.dmp

Filesize
24KB

Download
memory/1268-15-0x0000000002B80000-0x0000000002B86000-memory.dmp

Filesize
24KB

Download
memory/1268-27-0x0000000002B80000-0x0000000002B86000-memory.dmp

Filesize
24KB

Download
memory/1312-29-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/1312-18-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/1720-4-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1720-23-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/1720-31-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/3068-25-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads