tinba | 5ac0e0773ab3d160c3f1c08a9a42cf6b5b3d5ed88e0d276151495fe99de92baa

Analysis

max time kernel
146s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2024 08:40

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General

Target

5ac0e0773ab3d160c3f1c08a9a42cf6b5b3d5ed88e0d276151495fe99de92baa.exe
Size

160KB
MD5

50127625f0c9d1c2cb009670c2df6fb2
SHA1

6e1a0246b499b869497cefbfab57759bf5fdb9e2
SHA256

5ac0e0773ab3d160c3f1c08a9a42cf6b5b3d5ed88e0d276151495fe99de92baa
SHA512

45e92a37f6b93132b9d94f0876d71c187afca94092f3e81eccd46dd48424048da1f983ef275536c8f68c248bfdb1caa9c3b6eb34a99555b6dd09543a0d04b7c8
SSDEEP

1536:2EY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph0:dY+4MiIkLZJNAQ9J6vq

Score

10^/10

tinba banker discovery persistence trojan upx

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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\12499F72 = "C:\\Users\\Admin\\AppData\\Roaming\\12499F72\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1528-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2800	1948	WerFault.exe	83

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	5ac0e0773ab3d160c3f1c08a9a42cf6b5b3d5ed88e0d276151495fe99de92baa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1948	winver.exe
1948	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3460	Explorer.EXE
Token: SeCreatePagefilePrivilege	3460	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1948	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1528 wrote to memory of 1948	1528	5ac0e0773ab3d160c3f1c08a9a42cf6b5b3d5ed88e0d276151495fe99de92baa.exe	83
PID 1528 wrote to memory of 1948	1528	5ac0e0773ab3d160c3f1c08a9a42cf6b5b3d5ed88e0d276151495fe99de92baa.exe	83
PID 1528 wrote to memory of 1948	1528	5ac0e0773ab3d160c3f1c08a9a42cf6b5b3d5ed88e0d276151495fe99de92baa.exe	83
PID 1528 wrote to memory of 1948	1528	5ac0e0773ab3d160c3f1c08a9a42cf6b5b3d5ed88e0d276151495fe99de92baa.exe	83
PID 1948 wrote to memory of 3460	1948	winver.exe	56
PID 1948 wrote to memory of 2648	1948	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2648

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3460
- C:\Users\Admin\AppData\Local\Temp\5ac0e0773ab3d160c3f1c08a9a42cf6b5b3d5ed88e0d276151495fe99de92baa.exe
  "C:\Users\Admin\AppData\Local\Temp\5ac0e0773ab3d160c3f1c08a9a42cf6b5b3d5ed88e0d276151495fe99de92baa.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1528
- - 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:1948
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1948 -s 352
      4⤵
      Program crash
      PID:2800

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1948 -ip 1948
1⤵
PID:552

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/1528-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1528-1-0x0000000002030000-0x0000000002031000-memory.dmp

Filesize
4KB

Download
memory/1528-10-0x0000000002160000-0x0000000002B60000-memory.dmp

Filesize
10.0MB

Download
memory/1528-9-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1528-4-0x0000000002160000-0x0000000002B60000-memory.dmp

Filesize
10.0MB

Download
memory/1948-6-0x00000000777D2000-0x00000000777D3000-memory.dmp

Filesize
4KB

Download
memory/1948-5-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/1948-8-0x00007FF9A42D0000-0x00007FF9A44C5000-memory.dmp

Filesize
2.0MB

Download
memory/1948-15-0x00000000006C0000-0x00000000006C6000-memory.dmp

Filesize
24KB

Download
memory/2648-14-0x0000000000D70000-0x0000000000D76000-memory.dmp

Filesize
24KB

Download
memory/2648-16-0x0000000000D70000-0x0000000000D76000-memory.dmp

Filesize
24KB

Download
memory/3460-7-0x00007FF9A436D000-0x00007FF9A436E000-memory.dmp

Filesize
4KB

Download
memory/3460-2-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download
memory/3460-3-0x0000000000630000-0x0000000000636000-memory.dmp

Filesize
24KB

Download