tinba | 9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7

Analysis

max time kernel
108s
max time network
114s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2024 13:23

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General

Target

9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7N.exe
Size

45KB
MD5

3db1fe47a93f92cf21c988da690ed920
SHA1

4ce4da6746d7f2a2a6030b0780bf21fec86fd8f5
SHA256

9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7
SHA512

7bdb836c48a15290ce210316360b09785864bb85c1361e77b6d14e5a3d92163f52067b783b25328653e6c7955a6b12126935982d612c465ed1f86ee860aefbcd
SSDEEP

768:4hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2f:EsWE9N5dFu53dsniQaB/xZ14n7zIF+qr

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

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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DECEC669 = "C:\\Users\\Admin\\AppData\\Roaming\\DECEC669\\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/2144-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2276	2900	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	9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2900	winver.exe
2900	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3376	Explorer.EXE
Token: SeCreatePagefilePrivilege	3376	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2900	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2144 wrote to memory of 2900	2144	9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7N.exe	83
PID 2144 wrote to memory of 2900	2144	9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7N.exe	83
PID 2144 wrote to memory of 2900	2144	9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7N.exe	83
PID 2144 wrote to memory of 2900	2144	9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7N.exe	83
PID 2900 wrote to memory of 3376	2900	winver.exe	56
PID 2900 wrote to memory of 2420	2900	winver.exe	43

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2420

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3376
- C:\Users\Admin\AppData\Local\Temp\9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7N.exe
  "C:\Users\Admin\AppData\Local\Temp\9749772b2cc80245bff01dfe2513266a9f58d08bf7fa5f596e6a860af1d6dcf7N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2144
- - 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:2900
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 352
      4⤵
      Program crash
      PID:2276

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 2900 -ip 2900
1⤵
PID:3632

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/2144-10-0x0000000002360000-0x0000000002D60000-memory.dmp

Filesize
10.0MB

Download
memory/2144-1-0x00000000005B0000-0x00000000005B1000-memory.dmp

Filesize
4KB

Download
memory/2144-4-0x0000000002360000-0x0000000002D60000-memory.dmp

Filesize
10.0MB

Download
memory/2144-9-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2144-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2420-14-0x0000000000BD0000-0x0000000000BD6000-memory.dmp

Filesize
24KB

Download
memory/2900-5-0x0000000077152000-0x0000000077153000-memory.dmp

Filesize
4KB

Download
memory/2900-7-0x00007FFB6FDD0000-0x00007FFB6FFC5000-memory.dmp

Filesize
2.0MB

Download
memory/2900-12-0x0000000002920000-0x0000000002926000-memory.dmp

Filesize
24KB

Download
memory/2900-15-0x0000000002920000-0x0000000002926000-memory.dmp

Filesize
24KB

Download
memory/3376-3-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/3376-2-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/3376-6-0x00007FFB6FE6D000-0x00007FFB6FE6E000-memory.dmp

Filesize
4KB

Download