tinba | 11907811b49f7d1c90428445f71f3c65ca270bbb158e4eab2bece708a3e11e37

Analysis

max time kernel
113s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13-01-2025 15:38

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General

Target

11907811b49f7d1c90428445f71f3c65ca270bbb158e4eab2bece708a3e11e37N.exe
Size

45KB
MD5

3793f6324cd2b72d77bc3d46ee23c8f0
SHA1

88e30f4b38b772749392bca051fb7d605122ca2c
SHA256

11907811b49f7d1c90428445f71f3c65ca270bbb158e4eab2bece708a3e11e37
SHA512

784a2ea82115bc7192864df1c3f9a9b7bfc4fdc267a3b3843abd0d87ec87f25108b91df752b80130da6b3b307f94ac6c8901c5459631cb3b1085805a87293bbe
SSDEEP

768:9hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2d:/sWE9N5dFu53dsniQaB/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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5E7B232F = "C:\\Users\\Admin\\AppData\\Roaming\\5E7B232F\\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/3764-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4460	4596	WerFault.exe	84

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	11907811b49f7d1c90428445f71f3c65ca270bbb158e4eab2bece708a3e11e37N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4596	winver.exe
4596	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3444	Explorer.EXE
Token: SeCreatePagefilePrivilege	3444	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4596	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3764 wrote to memory of 4596	3764	11907811b49f7d1c90428445f71f3c65ca270bbb158e4eab2bece708a3e11e37N.exe	84
PID 3764 wrote to memory of 4596	3764	11907811b49f7d1c90428445f71f3c65ca270bbb158e4eab2bece708a3e11e37N.exe	84
PID 3764 wrote to memory of 4596	3764	11907811b49f7d1c90428445f71f3c65ca270bbb158e4eab2bece708a3e11e37N.exe	84
PID 3764 wrote to memory of 4596	3764	11907811b49f7d1c90428445f71f3c65ca270bbb158e4eab2bece708a3e11e37N.exe	84
PID 4596 wrote to memory of 3444	4596	winver.exe	56
PID 4596 wrote to memory of 2728	4596	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2728

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3444
- C:\Users\Admin\AppData\Local\Temp\11907811b49f7d1c90428445f71f3c65ca270bbb158e4eab2bece708a3e11e37N.exe
  "C:\Users\Admin\AppData\Local\Temp\11907811b49f7d1c90428445f71f3c65ca270bbb158e4eab2bece708a3e11e37N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3764
- - 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:4596
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 352
      4⤵
      Program crash
      PID:4460

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4596 -ip 4596
1⤵
PID:2932

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/2728-13-0x0000000000E70000-0x0000000000E76000-memory.dmp

Filesize
24KB

Download
memory/3444-6-0x00007FFCF260D000-0x00007FFCF260E000-memory.dmp

Filesize
4KB

Download
memory/3444-2-0x0000000000B60000-0x0000000000B66000-memory.dmp

Filesize
24KB

Download
memory/3444-3-0x0000000000B60000-0x0000000000B66000-memory.dmp

Filesize
24KB

Download
memory/3764-9-0x0000000002290000-0x0000000002C90000-memory.dmp

Filesize
10.0MB

Download
memory/3764-4-0x0000000002290000-0x0000000002C90000-memory.dmp

Filesize
10.0MB

Download
memory/3764-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3764-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3764-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/4596-5-0x0000000077E42000-0x0000000077E43000-memory.dmp

Filesize
4KB

Download
memory/4596-7-0x00007FFCF2570000-0x00007FFCF2765000-memory.dmp

Filesize
2.0MB

Download
memory/4596-11-0x0000000002B20000-0x0000000002B26000-memory.dmp

Filesize
24KB

Download
memory/4596-14-0x0000000002B20000-0x0000000002B26000-memory.dmp

Filesize
24KB

Download