tinba | c59db04215b9b47bab836406c4a909f996b9016a73fbe19bc18f7d44b022da73

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2024 06:08

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General

Target

c59db04215b9b47bab836406c4a909f996b9016a73fbe19bc18f7d44b022da73.exe
Size

45KB
MD5

4f31f1424fd630fd2c2435cb7882ecd3
SHA1

3fe62fdf7439d07e88c8a05169190cf7bdb8440f
SHA256

c59db04215b9b47bab836406c4a909f996b9016a73fbe19bc18f7d44b022da73
SHA512

dd27908d4626eb0dc2133c0ca6a020383f9199e3cde95ad4c40c03249d81813a6dfee628e81e8f4be74168965773f54187a9738e2b8710f4158fcfc0272da4da
SSDEEP

768:OhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2P:CsWE9N5dFu53dsniQaB/xZ14n7zIF+q7

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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\3B8FF6CF = "C:\\Users\\Admin\\AppData\\Roaming\\3B8FF6CF\\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/3308-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4436	1276	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	c59db04215b9b47bab836406c4a909f996b9016a73fbe19bc18f7d44b022da73.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1276	winver.exe
1276	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
1276	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3308 wrote to memory of 1276	3308	c59db04215b9b47bab836406c4a909f996b9016a73fbe19bc18f7d44b022da73.exe	83
PID 3308 wrote to memory of 1276	3308	c59db04215b9b47bab836406c4a909f996b9016a73fbe19bc18f7d44b022da73.exe	83
PID 3308 wrote to memory of 1276	3308	c59db04215b9b47bab836406c4a909f996b9016a73fbe19bc18f7d44b022da73.exe	83
PID 3308 wrote to memory of 1276	3308	c59db04215b9b47bab836406c4a909f996b9016a73fbe19bc18f7d44b022da73.exe	83
PID 1276 wrote to memory of 3520	1276	winver.exe	56
PID 1276 wrote to memory of 2412	1276	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2412

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3520
- C:\Users\Admin\AppData\Local\Temp\c59db04215b9b47bab836406c4a909f996b9016a73fbe19bc18f7d44b022da73.exe
  "C:\Users\Admin\AppData\Local\Temp\c59db04215b9b47bab836406c4a909f996b9016a73fbe19bc18f7d44b022da73.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3308
- - 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:1276
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1276 -s 352
      4⤵
      Program crash
      PID:4436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1276 -ip 1276
1⤵
PID:4184

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/1276-15-0x0000000001410000-0x0000000001416000-memory.dmp

Filesize
24KB

Download
memory/1276-6-0x0000000077382000-0x0000000077383000-memory.dmp

Filesize
4KB

Download
memory/1276-5-0x0000000001410000-0x0000000001416000-memory.dmp

Filesize
24KB

Download
memory/1276-8-0x00007FFEE42F0000-0x00007FFEE44E5000-memory.dmp

Filesize
2.0MB

Download
memory/2412-14-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/3308-10-0x0000000002270000-0x0000000002C70000-memory.dmp

Filesize
10.0MB

Download
memory/3308-1-0x0000000002150000-0x0000000002151000-memory.dmp

Filesize
4KB

Download
memory/3308-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3308-4-0x0000000002270000-0x0000000002C70000-memory.dmp

Filesize
10.0MB

Download
memory/3308-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3520-2-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download
memory/3520-7-0x00007FFEE438D000-0x00007FFEE438E000-memory.dmp

Filesize
4KB

Download
memory/3520-3-0x00000000008C0000-0x00000000008C6000-memory.dmp

Filesize
24KB

Download