tinba | 270cfc89e232a6cfe661191a753783fa4635d3814d24798f5acc5a08e6767ee1

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-11-2024 03:56

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General

Target

270cfc89e232a6cfe661191a753783fa4635d3814d24798f5acc5a08e6767ee1N.exe
Size

59KB
MD5

9f0fb6ca12f7178c06cf1cb03e7d3fc0
SHA1

3cbc82557ffc14675c9f0927b46ff2b780bbcf02
SHA256

270cfc89e232a6cfe661191a753783fa4635d3814d24798f5acc5a08e6767ee1
SHA512

6302595494e1ac21a3bde50d213b77ca328855f7f3d991ede0c8b3b4541d320e92094d732f14f6f15c020fb294d2b24cf45d605540a84457a71707d61d6a0896
SSDEEP

768:i+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J1:i+mFM2HXKZgiFP7xIksu+XM5O9J1

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\503EF339 = "C:\\Users\\Admin\\AppData\\Roaming\\503EF339\\bin.exe"	winver.exe

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	270cfc89e232a6cfe661191a753783fa4635d3814d24798f5acc5a08e6767ee1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2912	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 2912	2792	270cfc89e232a6cfe661191a753783fa4635d3814d24798f5acc5a08e6767ee1N.exe	29
PID 2792 wrote to memory of 2912	2792	270cfc89e232a6cfe661191a753783fa4635d3814d24798f5acc5a08e6767ee1N.exe	29
PID 2792 wrote to memory of 2912	2792	270cfc89e232a6cfe661191a753783fa4635d3814d24798f5acc5a08e6767ee1N.exe	29
PID 2792 wrote to memory of 2912	2792	270cfc89e232a6cfe661191a753783fa4635d3814d24798f5acc5a08e6767ee1N.exe	29
PID 2792 wrote to memory of 2912	2792	270cfc89e232a6cfe661191a753783fa4635d3814d24798f5acc5a08e6767ee1N.exe	29
PID 2912 wrote to memory of 1116	2912	winver.exe	20
PID 2912 wrote to memory of 1052	2912	winver.exe	17
PID 2912 wrote to memory of 1088	2912	winver.exe	19
PID 2912 wrote to memory of 1116	2912	winver.exe	20
PID 2912 wrote to memory of 1708	2912	winver.exe	23

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1052

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1088

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1116
- C:\Users\Admin\AppData\Local\Temp\270cfc89e232a6cfe661191a753783fa4635d3814d24798f5acc5a08e6767ee1N.exe
  "C:\Users\Admin\AppData\Local\Temp\270cfc89e232a6cfe661191a753783fa4635d3814d24798f5acc5a08e6767ee1N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2792
- - 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:2912

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1708

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1052-35-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1052-22-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1052-23-0x0000000077641000-0x0000000077642000-memory.dmp

Filesize
4KB

Download
memory/1088-24-0x0000000077641000-0x0000000077642000-memory.dmp

Filesize
4KB

Download
memory/1088-30-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1088-19-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1116-9-0x0000000077641000-0x0000000077642000-memory.dmp

Filesize
4KB

Download
memory/1116-21-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/1116-3-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/1116-31-0x0000000002D00000-0x0000000002D06000-memory.dmp

Filesize
24KB

Download
memory/1116-2-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/1116-1-0x0000000002D50000-0x0000000002D56000-memory.dmp

Filesize
24KB

Download
memory/1708-28-0x0000000001C70000-0x0000000001C76000-memory.dmp

Filesize
24KB

Download
memory/1708-29-0x0000000077641000-0x0000000077642000-memory.dmp

Filesize
4KB

Download
memory/1708-27-0x0000000001C70000-0x0000000001C76000-memory.dmp

Filesize
24KB

Download
memory/2792-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2792-4-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/2792-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2792-12-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/2912-10-0x00000000775F0000-0x0000000077799000-memory.dmp

Filesize
1.7MB

Download
memory/2912-8-0x00000000777EF000-0x00000000777F1000-memory.dmp

Filesize
8KB

Download
memory/2912-5-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2912-6-0x00000000777F0000-0x00000000777F1000-memory.dmp

Filesize
4KB

Download
memory/2912-32-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2912-7-0x00000000777EF000-0x00000000777F0000-memory.dmp

Filesize
4KB

Download
memory/2912-37-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download