tinba | 3706968e047c80788dcc6bb26880f097682b58c828d83370f775237c5e105a08

Analysis

max time kernel
110s
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
06-12-2024 09:21

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General

Target

3706968e047c80788dcc6bb26880f097682b58c828d83370f775237c5e105a08N.exe
Size

110KB
MD5

24c66b50cb18926cb6cb0fb916704820
SHA1

7781668a7859df08ffe26a87d8191cc46c9418b9
SHA256

3706968e047c80788dcc6bb26880f097682b58c828d83370f775237c5e105a08
SHA512

316d9dd04fee4a1d58568a74b947369ceb35c13d2a41a3d7179cbfcba86f96dc0311439adb50e3c48d6f65c25f51842b2cb2925e7b7da10814969045662d9a0e
SSDEEP

1536:OiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EQ:OiyvRmDLs/ZrwWJjAqGcRJ2hQ

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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FF89E8D8 = "C:\\Users\\Admin\\AppData\\Roaming\\FF89E8D8\\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/220-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4656	3684	WerFault.exe	85

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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3706968e047c80788dcc6bb26880f097682b58c828d83370f775237c5e105a08N.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3684	winver.exe
3684	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3440	Explorer.EXE
Token: SeCreatePagefilePrivilege	3440	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3684	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 220 wrote to memory of 3684	220	3706968e047c80788dcc6bb26880f097682b58c828d83370f775237c5e105a08N.exe	85
PID 220 wrote to memory of 3684	220	3706968e047c80788dcc6bb26880f097682b58c828d83370f775237c5e105a08N.exe	85
PID 220 wrote to memory of 3684	220	3706968e047c80788dcc6bb26880f097682b58c828d83370f775237c5e105a08N.exe	85
PID 220 wrote to memory of 3684	220	3706968e047c80788dcc6bb26880f097682b58c828d83370f775237c5e105a08N.exe	85
PID 3684 wrote to memory of 3440	3684	winver.exe	56
PID 3684 wrote to memory of 2784	3684	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2784

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3440
- C:\Users\Admin\AppData\Local\Temp\3706968e047c80788dcc6bb26880f097682b58c828d83370f775237c5e105a08N.exe
  "C:\Users\Admin\AppData\Local\Temp\3706968e047c80788dcc6bb26880f097682b58c828d83370f775237c5e105a08N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:220
- - 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:3684
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3684 -s 352
      4⤵
      Program crash
      PID:4656

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 3684 -ip 3684
1⤵
PID:680

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/220-9-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/220-1-0x00000000005C0000-0x00000000005C1000-memory.dmp

Filesize
4KB

Download
memory/220-4-0x00000000021F0000-0x0000000002BF0000-memory.dmp

Filesize
10.0MB

Download
memory/220-8-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/220-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2784-13-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3440-3-0x0000000000EC0000-0x0000000000EC6000-memory.dmp

Filesize
24KB

Download
memory/3440-2-0x0000000000EC0000-0x0000000000EC6000-memory.dmp

Filesize
24KB

Download
memory/3440-6-0x00007FFD1A18D000-0x00007FFD1A18E000-memory.dmp

Filesize
4KB

Download
memory/3684-5-0x0000000076FB2000-0x0000000076FB3000-memory.dmp

Filesize
4KB

Download
memory/3684-7-0x00007FFD1A0F0000-0x00007FFD1A2E5000-memory.dmp

Filesize
2.0MB

Download
memory/3684-11-0x0000000000580000-0x0000000000586000-memory.dmp

Filesize
24KB

Download
memory/3684-14-0x0000000000580000-0x0000000000586000-memory.dmp

Filesize
24KB

Download