tinba | fd5e0637b4a19d989d42ade961ecd5d55c041a04185f4a6d9a17ab922fc1795a

Analysis

max time kernel
106s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-12-2024 01:19

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General

Target

fd5e0637b4a19d989d42ade961ecd5d55c041a04185f4a6d9a17ab922fc1795a.exe
Size

45KB
MD5

9b97c50aac4389efc309cf78dfd26fbe
SHA1

b1f79e175bd02fa57b65f716e5cbc89798d9aee8
SHA256

fd5e0637b4a19d989d42ade961ecd5d55c041a04185f4a6d9a17ab922fc1795a
SHA512

f6790fb0854e9d3fafa1baebded2dbf0027aa8bcf8adcaeb80ca68066d10bfbe9a0ae752e1295414a0150ff7428a23f7ad2614130d70454c1f94393784540d54
SSDEEP

768:QhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2X:ssWE9N5dFu53dsniQaB/xZ14n7zIF+qD

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5C4098BB = "C:\\Users\\Admin\\AppData\\Roaming\\5C4098BB\\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/3268-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3720	2132	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	fd5e0637b4a19d989d42ade961ecd5d55c041a04185f4a6d9a17ab922fc1795a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2132	winver.exe
2132	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3464	Explorer.EXE
Token: SeCreatePagefilePrivilege	3464	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2132	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3268 wrote to memory of 2132	3268	fd5e0637b4a19d989d42ade961ecd5d55c041a04185f4a6d9a17ab922fc1795a.exe	86
PID 3268 wrote to memory of 2132	3268	fd5e0637b4a19d989d42ade961ecd5d55c041a04185f4a6d9a17ab922fc1795a.exe	86
PID 3268 wrote to memory of 2132	3268	fd5e0637b4a19d989d42ade961ecd5d55c041a04185f4a6d9a17ab922fc1795a.exe	86
PID 3268 wrote to memory of 2132	3268	fd5e0637b4a19d989d42ade961ecd5d55c041a04185f4a6d9a17ab922fc1795a.exe	86
PID 2132 wrote to memory of 3464	2132	winver.exe	56
PID 2132 wrote to memory of 2764	2132	winver.exe	45

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2764

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3464
- C:\Users\Admin\AppData\Local\Temp\fd5e0637b4a19d989d42ade961ecd5d55c041a04185f4a6d9a17ab922fc1795a.exe
  "C:\Users\Admin\AppData\Local\Temp\fd5e0637b4a19d989d42ade961ecd5d55c041a04185f4a6d9a17ab922fc1795a.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3268
- - 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:2132
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2132 -s 352
      4⤵
      Program crash
      PID:3720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2132 -ip 2132
1⤵
PID:4264

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/2132-6-0x00000000775B2000-0x00000000775B3000-memory.dmp

Filesize
4KB

Download
memory/2132-15-0x0000000001010000-0x0000000001016000-memory.dmp

Filesize
24KB

Download
memory/2132-8-0x00007FFBE22F0000-0x00007FFBE24E5000-memory.dmp

Filesize
2.0MB

Download
memory/2132-5-0x0000000001010000-0x0000000001016000-memory.dmp

Filesize
24KB

Download
memory/2764-14-0x0000000000A00000-0x0000000000A06000-memory.dmp

Filesize
24KB

Download
memory/3268-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3268-4-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/3268-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3268-10-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/3268-1-0x0000000000570000-0x0000000000571000-memory.dmp

Filesize
4KB

Download
memory/3464-7-0x00007FFBE238D000-0x00007FFBE238E000-memory.dmp

Filesize
4KB

Download
memory/3464-2-0x0000000002030000-0x0000000002036000-memory.dmp

Filesize
24KB

Download
memory/3464-3-0x0000000002030000-0x0000000002036000-memory.dmp

Filesize
24KB

Download