tinba | a038cf6b68f0b46341f01b4cbb63d00cd8e36be31ccdfa17a060cadfc75f79ad

Resubmissions

11-01-2025 15:46

250111-s7w5esspbt 5

11-01-2025 14:57

250111-sbtpestrgp 10

Analysis

max time kernel
111s
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
11-01-2025 14:57

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General

Target

a038cf6b68f0b46341f01b4cbb63d00cd8e36be31ccdfa17a060cadfc75f79adN.exe
Size

45KB
MD5

d38d90c1aed9efa62849f5ab66ecd150
SHA1

1d2c0ccf1fc8d1026ad994990acb0067be153c90
SHA256

a038cf6b68f0b46341f01b4cbb63d00cd8e36be31ccdfa17a060cadfc75f79ad
SHA512

6a744987a764cfd84f858206a7da529076e49372a6ef496aedfbc78dbc934cdb9b35a8a7d395fbbc0388232084f870180647559e8f2fa1abf2fe1ad702e0d0c0
SSDEEP

768:ZhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2d:DsWE9N5dFu53dsniQaB/xZ14n7zIF+qh

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\69124FD2 = "C:\\Users\\Admin\\AppData\\Roaming\\69124FD2\\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/4696-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1852	876	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	a038cf6b68f0b46341f01b4cbb63d00cd8e36be31ccdfa17a060cadfc75f79adN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
876	winver.exe
876	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
876	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4696 wrote to memory of 876	4696	a038cf6b68f0b46341f01b4cbb63d00cd8e36be31ccdfa17a060cadfc75f79adN.exe	83
PID 4696 wrote to memory of 876	4696	a038cf6b68f0b46341f01b4cbb63d00cd8e36be31ccdfa17a060cadfc75f79adN.exe	83
PID 4696 wrote to memory of 876	4696	a038cf6b68f0b46341f01b4cbb63d00cd8e36be31ccdfa17a060cadfc75f79adN.exe	83
PID 4696 wrote to memory of 876	4696	a038cf6b68f0b46341f01b4cbb63d00cd8e36be31ccdfa17a060cadfc75f79adN.exe	83
PID 876 wrote to memory of 3432	876	winver.exe	56
PID 876 wrote to memory of 2868	876	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2868

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
- C:\Users\Admin\AppData\Local\Temp\a038cf6b68f0b46341f01b4cbb63d00cd8e36be31ccdfa17a060cadfc75f79adN.exe
  "C:\Users\Admin\AppData\Local\Temp\a038cf6b68f0b46341f01b4cbb63d00cd8e36be31ccdfa17a060cadfc75f79adN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4696
- - 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:876
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 876 -s 352
      4⤵
      Program crash
      PID:1852

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 876 -ip 876
1⤵
PID:4668

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/876-5-0x0000000000A50000-0x0000000000A56000-memory.dmp

Filesize
24KB

Download
memory/876-16-0x0000000000A50000-0x0000000000A56000-memory.dmp

Filesize
24KB

Download
memory/876-8-0x00007FFB87570000-0x00007FFB87765000-memory.dmp

Filesize
2.0MB

Download
memory/876-6-0x0000000077562000-0x0000000077563000-memory.dmp

Filesize
4KB

Download
memory/2868-15-0x0000000000540000-0x0000000000546000-memory.dmp

Filesize
24KB

Download
memory/3432-2-0x0000000000930000-0x0000000000936000-memory.dmp

Filesize
24KB

Download
memory/3432-7-0x00007FFB8760D000-0x00007FFB8760E000-memory.dmp

Filesize
4KB

Download
memory/3432-3-0x0000000000930000-0x0000000000936000-memory.dmp

Filesize
24KB

Download
memory/4696-4-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/4696-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4696-10-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4696-11-0x00000000021B0000-0x0000000002BB0000-memory.dmp

Filesize
10.0MB

Download
memory/4696-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download