tinba | 1edc9bae19fb310e91a31ff2041b76bd87510ab143735dea2dbc46b99d8d91b9

Analysis

max time kernel
145s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 20:34

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General

Target

1edc9bae19fb310e91a31ff2041b76bd87510ab143735dea2dbc46b99d8d91b9.exe
Size

49KB
MD5

259b31e1afca441b18362bb55be27ed7
SHA1

b8c1dae59920ca493afeb58e0ce86eb821d30eb4
SHA256

1edc9bae19fb310e91a31ff2041b76bd87510ab143735dea2dbc46b99d8d91b9
SHA512

1a156998035550c4abe1fa78c57f2591116dea6b5b04626eb5f43ae4c4b49c3516d7ac0cb8c7ef9e13dda832a6b5e31e0cbe17177575d52919c7ae9914400b04
SSDEEP

1536:zOBLXNqgzf2v6b6NkXklZlogHGe9eBXWV:zYLduv6OqXIlogmjWV

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\E471091E = "C:\\Users\\Admin\\AppData\\Roaming\\E471091E\\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/2888-0-0x0000000000400000-0x000000000041D000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2180	3816	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	1edc9bae19fb310e91a31ff2041b76bd87510ab143735dea2dbc46b99d8d91b9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3816	winver.exe
3816	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3432	Explorer.EXE
Token: SeCreatePagefilePrivilege	3432	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3816	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 3816	2888	1edc9bae19fb310e91a31ff2041b76bd87510ab143735dea2dbc46b99d8d91b9.exe	83
PID 2888 wrote to memory of 3816	2888	1edc9bae19fb310e91a31ff2041b76bd87510ab143735dea2dbc46b99d8d91b9.exe	83
PID 2888 wrote to memory of 3816	2888	1edc9bae19fb310e91a31ff2041b76bd87510ab143735dea2dbc46b99d8d91b9.exe	83
PID 2888 wrote to memory of 3816	2888	1edc9bae19fb310e91a31ff2041b76bd87510ab143735dea2dbc46b99d8d91b9.exe	83
PID 3816 wrote to memory of 3432	3816	winver.exe	56
PID 3816 wrote to memory of 2920	3816	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2920

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3432
- C:\Users\Admin\AppData\Local\Temp\1edc9bae19fb310e91a31ff2041b76bd87510ab143735dea2dbc46b99d8d91b9.exe
  "C:\Users\Admin\AppData\Local\Temp\1edc9bae19fb310e91a31ff2041b76bd87510ab143735dea2dbc46b99d8d91b9.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2888
- - 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:3816
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3816 -s 352
      4⤵
      Program crash
      PID:2180

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 3816 -ip 3816
1⤵
PID:3328

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/2888-8-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2888-1-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/2888-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2888-4-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Filesize
10.0MB

Download
memory/2888-9-0x00000000021A0000-0x0000000002BA0000-memory.dmp

Filesize
10.0MB

Download
memory/2920-13-0x0000000000E30000-0x0000000000E36000-memory.dmp

Filesize
24KB

Download
memory/3432-2-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/3432-6-0x00007FFDD39AD000-0x00007FFDD39AE000-memory.dmp

Filesize
4KB

Download
memory/3432-3-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Filesize
24KB

Download
memory/3816-7-0x00007FFDD3910000-0x00007FFDD3B05000-memory.dmp

Filesize
2.0MB

Download
memory/3816-5-0x00000000777A2000-0x00000000777A3000-memory.dmp

Filesize
4KB

Download
memory/3816-11-0x0000000002910000-0x0000000002916000-memory.dmp

Filesize
24KB

Download
memory/3816-14-0x0000000002910000-0x0000000002916000-memory.dmp

Filesize
24KB

Download