tinba | e1959fb45e75406a3c3783cae43e95c8ee85469d74acb2da57225e57a7a791d2

Analysis

max time kernel
119s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\544C39E4 = "C:\\Users\\Admin\\AppData\\Roaming\\544C39E4\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
804	4884	WerFault.exe	86

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 2 IoCs

pid	Process
4884	winver.exe
4884	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3520	Explorer.EXE
Token: SeCreatePagefilePrivilege	3520	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4884	winver.exe

Suspicious use of UnmapMainImage 1 IoCs

pid	Process
3520	Explorer.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 644 wrote to memory of 4884	644	e1959fb45e75406a3c3783cae43e95c8ee85469d74acb2da57225e57a7a791d2N.exe	86
PID 644 wrote to memory of 4884	644	e1959fb45e75406a3c3783cae43e95c8ee85469d74acb2da57225e57a7a791d2N.exe	86
PID 644 wrote to memory of 4884	644	e1959fb45e75406a3c3783cae43e95c8ee85469d74acb2da57225e57a7a791d2N.exe	86
PID 644 wrote to memory of 4884	644	e1959fb45e75406a3c3783cae43e95c8ee85469d74acb2da57225e57a7a791d2N.exe	86
PID 4884 wrote to memory of 3520	4884	winver.exe	56
PID 4884 wrote to memory of 2712	4884	winver.exe	45

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2712

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
PID:3520
- 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:644
- - 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:4884
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4884 -s 352
      4⤵
      Program crash
      PID:804

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4884 -ip 4884
1⤵
PID:5052

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/644-9-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/644-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/644-0-0x0000000000400000-0x000000000041C000-memory.dmp

Filesize
112KB

Download
memory/644-4-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/644-10-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/2712-14-0x0000000000FF0000-0x0000000000FF6000-memory.dmp

Filesize
24KB

Download
memory/3520-3-0x0000000000F20000-0x0000000000F26000-memory.dmp

Filesize
24KB

Download
memory/3520-8-0x00007FFACA4C0000-0x00007FFACA4C1000-memory.dmp

Filesize
4KB

Download
memory/3520-6-0x00007FFACA32D000-0x00007FFACA32E000-memory.dmp

Filesize
4KB

Download
memory/3520-2-0x0000000000F20000-0x0000000000F26000-memory.dmp

Filesize
24KB

Download
memory/4884-7-0x00007FFACA290000-0x00007FFACA485000-memory.dmp

Filesize
2.0MB

Download
memory/4884-5-0x00000000772D2000-0x00000000772D3000-memory.dmp

Filesize
4KB

Download
memory/4884-12-0x0000000001080000-0x0000000001086000-memory.dmp

Filesize
24KB

Download
memory/4884-15-0x0000000001080000-0x0000000001086000-memory.dmp

Filesize
24KB

Download