tinba | e1959fb45e75406a3c3783cae43e95c8ee85469d74acb2da57225e57a7a791d2

Analysis

max time kernel
119s
max time network
123s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
13/10/2024, 18:03

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General

Target

e1959fb45e75406a3c3783cae43e95c8ee85469d74acb2da57225e57a7a791d2N.exe
Size

106KB
MD5

31da2cba2ec5d0ade10e69fa3f34a950
SHA1

71cd5c9b8591070417956c1fd7d9e1ed5df654bf
SHA256

e1959fb45e75406a3c3783cae43e95c8ee85469d74acb2da57225e57a7a791d2
SHA512

ea9583ae650b4ce1351ddd9cc0241ba6d975d8e5ef5f2ddc3ef75fcee7bcc3cc32a19f685efe4a8c4f34572031d8515b8c0921f5c663a6015ac556ae0bd042a4
SSDEEP

768:s+6p+OMlgGXCWhfDzU7f0JDgi9I57+sByZ+XsfXpwtG9ipelU9JA:s+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

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\1BC691D3 = "C:\\Users\\Admin\\AppData\\Roaming\\1BC691D3\\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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e1959fb45e75406a3c3783cae43e95c8ee85469d74acb2da57225e57a7a791d2N.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe
2204	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2204	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2204	2116	e1959fb45e75406a3c3783cae43e95c8ee85469d74acb2da57225e57a7a791d2N.exe	31
PID 2116 wrote to memory of 2204	2116	e1959fb45e75406a3c3783cae43e95c8ee85469d74acb2da57225e57a7a791d2N.exe	31
PID 2116 wrote to memory of 2204	2116	e1959fb45e75406a3c3783cae43e95c8ee85469d74acb2da57225e57a7a791d2N.exe	31
PID 2116 wrote to memory of 2204	2116	e1959fb45e75406a3c3783cae43e95c8ee85469d74acb2da57225e57a7a791d2N.exe	31
PID 2116 wrote to memory of 2204	2116	e1959fb45e75406a3c3783cae43e95c8ee85469d74acb2da57225e57a7a791d2N.exe	31
PID 2204 wrote to memory of 1196	2204	winver.exe	21
PID 2204 wrote to memory of 1080	2204	winver.exe	18
PID 2204 wrote to memory of 1168	2204	winver.exe	20
PID 2204 wrote to memory of 1196	2204	winver.exe	21
PID 2204 wrote to memory of 1580	2204	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1080

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1196
- C:\Users\Admin\AppData\Local\Temp\e1959fb45e75406a3c3783cae43e95c8ee85469d74acb2da57225e57a7a791d2N.exe
  "C:\Users\Admin\AppData\Local\Temp\e1959fb45e75406a3c3783cae43e95c8ee85469d74acb2da57225e57a7a791d2N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2116
- - 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:2204

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1580

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/1080-23-0x0000000001C20000-0x0000000001C26000-memory.dmp

Filesize
24KB

Download
memory/1080-24-0x0000000077201000-0x0000000077202000-memory.dmp

Filesize
4KB

Download
memory/1168-26-0x0000000077201000-0x0000000077202000-memory.dmp

Filesize
4KB

Download
memory/1168-30-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1168-20-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1196-4-0x0000000002B20000-0x0000000002B26000-memory.dmp

Filesize
24KB

Download
memory/1196-10-0x0000000077201000-0x0000000077202000-memory.dmp

Filesize
4KB

Download
memory/1196-2-0x0000000002B20000-0x0000000002B26000-memory.dmp

Filesize
24KB

Download
memory/1196-25-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/1196-3-0x0000000002B20000-0x0000000002B26000-memory.dmp

Filesize
24KB

Download
memory/1196-22-0x00000000021D0000-0x00000000021D6000-memory.dmp

Filesize
24KB

Download
memory/1580-33-0x0000000077201000-0x0000000077202000-memory.dmp

Filesize
4KB

Download
memory/1580-32-0x0000000001EF0000-0x0000000001EF6000-memory.dmp

Filesize
24KB

Download
memory/2116-12-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2116-13-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/2116-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/2116-5-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/2116-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2204-6-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download
memory/2204-7-0x00000000773B0000-0x00000000773B1000-memory.dmp

Filesize
4KB

Download
memory/2204-8-0x00000000773AF000-0x00000000773B0000-memory.dmp

Filesize
4KB

Download
memory/2204-9-0x00000000773AF000-0x00000000773B1000-memory.dmp

Filesize
8KB

Download
memory/2204-11-0x00000000771B0000-0x0000000077359000-memory.dmp

Filesize
1.7MB

Download
memory/2204-31-0x0000000000180000-0x0000000000186000-memory.dmp

Filesize
24KB

Download