tinba | fe4f35fa62caf24b589f27f8a331e5266d111fddca67c6837b1696e57df5bd4a

Analysis

max time kernel
112s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 11:09

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General

Target

fe4f35fa62caf24b589f27f8a331e5266d111fddca67c6837b1696e57df5bd4aN.exe
Size

45KB
MD5

c17bbb3caf3cadbfe36da6d0f836a7f0
SHA1

11b70204c8d5e6b76b50ee725bc04269ed84a16f
SHA256

fe4f35fa62caf24b589f27f8a331e5266d111fddca67c6837b1696e57df5bd4a
SHA512

196c12b79dbacb07418972b70e5e8577a3947aff053984ac3e935285797a78957322a17fecff9b83514cbc9ed5c8c151752bd35e8c7a9f7a2ec9133daa819fc0
SSDEEP

768:DhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2F:VsWE9N5dFu53dsniQaB/xZ14n7zIF+qJ

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\AA780516 = "C:\\Users\\Admin\\AppData\\Roaming\\AA780516\\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/2652-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1132	4868	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	fe4f35fa62caf24b589f27f8a331e5266d111fddca67c6837b1696e57df5bd4aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4868	winver.exe
4868	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
4868	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2652 wrote to memory of 4868	2652	fe4f35fa62caf24b589f27f8a331e5266d111fddca67c6837b1696e57df5bd4aN.exe	83
PID 2652 wrote to memory of 4868	2652	fe4f35fa62caf24b589f27f8a331e5266d111fddca67c6837b1696e57df5bd4aN.exe	83
PID 2652 wrote to memory of 4868	2652	fe4f35fa62caf24b589f27f8a331e5266d111fddca67c6837b1696e57df5bd4aN.exe	83
PID 2652 wrote to memory of 4868	2652	fe4f35fa62caf24b589f27f8a331e5266d111fddca67c6837b1696e57df5bd4aN.exe	83
PID 4868 wrote to memory of 3520	4868	winver.exe	56
PID 4868 wrote to memory of 2496	4868	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2496

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\fe4f35fa62caf24b589f27f8a331e5266d111fddca67c6837b1696e57df5bd4aN.exe
  "C:\Users\Admin\AppData\Local\Temp\fe4f35fa62caf24b589f27f8a331e5266d111fddca67c6837b1696e57df5bd4aN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2652
- - 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:4868
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4868 -s 352
      4⤵
      Program crash
      PID:1132

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4868 -ip 4868
1⤵
PID:2380

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/2496-14-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/2652-10-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/2652-4-0x0000000002190000-0x0000000002B90000-memory.dmp

Filesize
10.0MB

Download
memory/2652-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2652-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2652-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/3520-3-0x00000000012D0000-0x00000000012D6000-memory.dmp

Filesize
24KB

Download
memory/3520-2-0x00000000012D0000-0x00000000012D6000-memory.dmp

Filesize
24KB

Download
memory/3520-6-0x00007FFD560CD000-0x00007FFD560CE000-memory.dmp

Filesize
4KB

Download
memory/4868-5-0x0000000077362000-0x0000000077363000-memory.dmp

Filesize
4KB

Download
memory/4868-7-0x00007FFD56030000-0x00007FFD56225000-memory.dmp

Filesize
2.0MB

Download
memory/4868-12-0x00000000012A0000-0x00000000012A6000-memory.dmp

Filesize
24KB

Download
memory/4868-15-0x00000000012A0000-0x00000000012A6000-memory.dmp

Filesize
24KB

Download