tinba | 5d78c3c3e83d02ae650fd5d128c7b5e8b3a5a9af1caf1ef2b6d9998521aa6d45

Analysis

max time kernel
104s
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
27-11-2024 18:29

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General

Target

5d78c3c3e83d02ae650fd5d128c7b5e8b3a5a9af1caf1ef2b6d9998521aa6d45N.exe
Size

160KB
MD5

3cf1d958feb742ebb4e9145f804a7380
SHA1

2010b638062347530a9d855893be507bc444b7db
SHA256

5d78c3c3e83d02ae650fd5d128c7b5e8b3a5a9af1caf1ef2b6d9998521aa6d45
SHA512

6e5bbcedebac2794c94c72c1c040c3aca5e57e5cf43b5b608d8dd0f01c2ce51e308ea4658cb9d8ecc594b475a49c0db148b1bb983843119045442a188d7d3644
SSDEEP

1536:IEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph0:LY+4MiIkLZJNAQ9J6vK

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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\4EE085A5 = "C:\\Users\\Admin\\AppData\\Roaming\\4EE085A5\\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/2456-0-0x0000000000400000-0x0000000000428000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1552	2608	WerFault.exe	84

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	5d78c3c3e83d02ae650fd5d128c7b5e8b3a5a9af1caf1ef2b6d9998521aa6d45N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2608	winver.exe
2608	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3456	Explorer.EXE
Token: SeCreatePagefilePrivilege	3456	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2608	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2456 wrote to memory of 2608	2456	5d78c3c3e83d02ae650fd5d128c7b5e8b3a5a9af1caf1ef2b6d9998521aa6d45N.exe	84
PID 2456 wrote to memory of 2608	2456	5d78c3c3e83d02ae650fd5d128c7b5e8b3a5a9af1caf1ef2b6d9998521aa6d45N.exe	84
PID 2456 wrote to memory of 2608	2456	5d78c3c3e83d02ae650fd5d128c7b5e8b3a5a9af1caf1ef2b6d9998521aa6d45N.exe	84
PID 2456 wrote to memory of 2608	2456	5d78c3c3e83d02ae650fd5d128c7b5e8b3a5a9af1caf1ef2b6d9998521aa6d45N.exe	84
PID 2608 wrote to memory of 3456	2608	winver.exe	56
PID 2608 wrote to memory of 2980	2608	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2980

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3456
- C:\Users\Admin\AppData\Local\Temp\5d78c3c3e83d02ae650fd5d128c7b5e8b3a5a9af1caf1ef2b6d9998521aa6d45N.exe
  "C:\Users\Admin\AppData\Local\Temp\5d78c3c3e83d02ae650fd5d128c7b5e8b3a5a9af1caf1ef2b6d9998521aa6d45N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2456
- - 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:2608
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2608 -s 352
      4⤵
      Program crash
      PID:1552

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2608 -ip 2608
1⤵
PID:4060

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/2456-1-0x00000000006D0000-0x00000000006D1000-memory.dmp

Filesize
4KB

Download
memory/2456-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2456-4-0x00000000022C0000-0x0000000002CC0000-memory.dmp

Filesize
10.0MB

Download
memory/2456-9-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2456-10-0x00000000022C0000-0x0000000002CC0000-memory.dmp

Filesize
10.0MB

Download
memory/2608-12-0x0000000001190000-0x0000000001196000-memory.dmp

Filesize
24KB

Download
memory/2608-15-0x0000000001190000-0x0000000001196000-memory.dmp

Filesize
24KB

Download
memory/2608-5-0x00000000779F2000-0x00000000779F3000-memory.dmp

Filesize
4KB

Download
memory/2608-7-0x00007FFE73330000-0x00007FFE73525000-memory.dmp

Filesize
2.0MB

Download
memory/2980-14-0x00000000004E0000-0x00000000004E6000-memory.dmp

Filesize
24KB

Download
memory/3456-2-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download
memory/3456-6-0x00007FFE733CD000-0x00007FFE733CE000-memory.dmp

Filesize
4KB

Download
memory/3456-3-0x0000000002060000-0x0000000002066000-memory.dmp

Filesize
24KB

Download