tinba | 2dc4431348e7923e0a41bc6e1abc3b8c59f8579d7f4dbff6d15c24c24769ebd1

Analysis

max time kernel
109s
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
11-12-2024 14:06

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General

Target

2dc4431348e7923e0a41bc6e1abc3b8c59f8579d7f4dbff6d15c24c24769ebd1N.exe
Size

34KB
MD5

78a2109401be7f6be5f5e86cec38bbd0
SHA1

8fb82f61b2c4801efd2116a1ff8ebdce7368118f
SHA256

2dc4431348e7923e0a41bc6e1abc3b8c59f8579d7f4dbff6d15c24c24769ebd1
SHA512

6bd021b652041b09d76745d69a646fb0dfd4a73298d249e706d0e4461b3e545cf04ac5e3a608284b54a5fc07b0c225e4622f652e3a7b3300958cbfe761236d20
SSDEEP

768:8p22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9Jy:8pYoX58z1uirL98xMWnT0OQ9Jy

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\F4B6A532 = "C:\\Users\\Admin\\AppData\\Roaming\\F4B6A532\\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/2416-0-0x0000000000400000-0x0000000000417000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3552	2192	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	2dc4431348e7923e0a41bc6e1abc3b8c59f8579d7f4dbff6d15c24c24769ebd1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2192	winver.exe
2192	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3524	Explorer.EXE
Token: SeCreatePagefilePrivilege	3524	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2192	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 2192	2416	2dc4431348e7923e0a41bc6e1abc3b8c59f8579d7f4dbff6d15c24c24769ebd1N.exe	83
PID 2416 wrote to memory of 2192	2416	2dc4431348e7923e0a41bc6e1abc3b8c59f8579d7f4dbff6d15c24c24769ebd1N.exe	83
PID 2416 wrote to memory of 2192	2416	2dc4431348e7923e0a41bc6e1abc3b8c59f8579d7f4dbff6d15c24c24769ebd1N.exe	83
PID 2416 wrote to memory of 2192	2416	2dc4431348e7923e0a41bc6e1abc3b8c59f8579d7f4dbff6d15c24c24769ebd1N.exe	83
PID 2192 wrote to memory of 3524	2192	winver.exe	56
PID 2192 wrote to memory of 2424	2192	winver.exe	42

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2424

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3524
- C:\Users\Admin\AppData\Local\Temp\2dc4431348e7923e0a41bc6e1abc3b8c59f8579d7f4dbff6d15c24c24769ebd1N.exe
  "C:\Users\Admin\AppData\Local\Temp\2dc4431348e7923e0a41bc6e1abc3b8c59f8579d7f4dbff6d15c24c24769ebd1N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2416
- - 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:2192
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2192 -s 352
      4⤵
      Program crash
      PID:3552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2192 -ip 2192
1⤵
PID:2716

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/2192-5-0x00000000777A2000-0x00000000777A3000-memory.dmp

Filesize
4KB

Download
memory/2192-14-0x0000000001EC0000-0x0000000001EC6000-memory.dmp

Filesize
24KB

Download
memory/2192-11-0x0000000001EC0000-0x0000000001EC6000-memory.dmp

Filesize
24KB

Download
memory/2192-7-0x00007FFF84470000-0x00007FFF84665000-memory.dmp

Filesize
2.0MB

Download
memory/2416-9-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Filesize
10.0MB

Download
memory/2416-4-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Filesize
10.0MB

Download
memory/2416-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2416-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2416-1-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download
memory/2424-13-0x0000000000C50000-0x0000000000C56000-memory.dmp

Filesize
24KB

Download
memory/3524-6-0x00007FFF8450D000-0x00007FFF8450E000-memory.dmp

Filesize
4KB

Download
memory/3524-2-0x0000000000F50000-0x0000000000F56000-memory.dmp

Filesize
24KB

Download
memory/3524-3-0x0000000000F50000-0x0000000000F56000-memory.dmp

Filesize
24KB

Download