tinba | 00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/11/2024, 20:35

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General

Target

00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24N.exe
Size

106KB
MD5

86bc4d18d82f91b6ac386fb18f8f1350
SHA1

94889e80ec2d91cff74c4a9bf3f534e7ba0cd356
SHA256

00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24
SHA512

ecb41240906cbc3417b57af61841985b59131c10a126f60598dacbac567377bd4e5c9af044c41c68a87f4ff4bb53f880d9a62565cb3bc13334f098bfe0488c04
SSDEEP

768:/+6p+OMlgGXCWhfDzU7f0JDgi9I57+sByZ+XsfXpwtG9ipelU9JA:/+mFM2QXtZgi9Iksu+XM57ipeq9JA

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\7CFC97A6 = "C:\\Users\\Admin\\AppData\\Roaming\\7CFC97A6\\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	00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe
2888	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2888	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2964 wrote to memory of 2888	2964	00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24N.exe	31
PID 2964 wrote to memory of 2888	2964	00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24N.exe	31
PID 2964 wrote to memory of 2888	2964	00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24N.exe	31
PID 2964 wrote to memory of 2888	2964	00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24N.exe	31
PID 2964 wrote to memory of 2888	2964	00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24N.exe	31
PID 2888 wrote to memory of 1196	2888	winver.exe	21
PID 2888 wrote to memory of 1100	2888	winver.exe	19
PID 2888 wrote to memory of 1156	2888	winver.exe	20
PID 2888 wrote to memory of 1196	2888	winver.exe	21
PID 2888 wrote to memory of 1556	2888	winver.exe	23

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24N.exe
  "C:\Users\Admin\AppData\Local\Temp\00cb3862f2676a1069cf8810ad011ae4e7930dd2b0e9394130dd02ad314aae24N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2964
- - 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:2888

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1556

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/1100-24-0x0000000077891000-0x0000000077892000-memory.dmp

Filesize
4KB

Download
memory/1100-30-0x0000000077891000-0x0000000077892000-memory.dmp

Filesize
4KB

Download
memory/1100-25-0x0000000077891000-0x0000000077892000-memory.dmp

Filesize
4KB

Download
memory/1100-28-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1156-21-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1156-35-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1196-2-0x0000000002E80000-0x0000000002E86000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x0000000077891000-0x0000000077892000-memory.dmp

Filesize
4KB

Download
memory/1196-23-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1196-4-0x0000000002E80000-0x0000000002E86000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002E80000-0x0000000002E86000-memory.dmp

Filesize
24KB

Download
memory/1196-31-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1556-33-0x0000000077891000-0x0000000077892000-memory.dmp

Filesize
4KB

Download
memory/1556-32-0x0000000001EF0000-0x0000000001EF6000-memory.dmp

Filesize
24KB

Download
memory/1556-38-0x0000000001EF0000-0x0000000001EF6000-memory.dmp

Filesize
24KB

Download
memory/1556-29-0x0000000001EF0000-0x0000000001EF6000-memory.dmp

Filesize
24KB

Download
memory/2888-7-0x0000000077A40000-0x0000000077A41000-memory.dmp

Filesize
4KB

Download
memory/2888-11-0x0000000077840000-0x00000000779E9000-memory.dmp

Filesize
1.7MB

Download
memory/2888-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2888-8-0x0000000077A3F000-0x0000000077A40000-memory.dmp

Filesize
4KB

Download
memory/2888-34-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2888-9-0x0000000077A3F000-0x0000000077A41000-memory.dmp

Filesize
8KB

Download
memory/2888-40-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/2964-5-0x0000000001CB0000-0x00000000026B0000-memory.dmp

Filesize
10.0MB

Download
memory/2964-12-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2964-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2964-13-0x0000000001CB0000-0x00000000026B0000-memory.dmp

Filesize
10.0MB

Download
memory/2964-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download