tinba | 694decb30226b8e3da044ce0ad963bbeff1af9af4a94c0527a954de6cbd08da6

Analysis

max time kernel
143s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-01-2025 03:34

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General

Target

694decb30226b8e3da044ce0ad963bbeff1af9af4a94c0527a954de6cbd08da6.exe
Size

44KB
MD5

0542abbf4c34bbff628ba9d0c3739405
SHA1

01561008ac53c3ce129ea913f8709eb95477acb7
SHA256

694decb30226b8e3da044ce0ad963bbeff1af9af4a94c0527a954de6cbd08da6
SHA512

0f26da01613ab47352bca5db03c12432287295d15fe170c4a9c7887b2f1dbb436d543392c4b5ed23a2881307bd1122c9b8c41982ac92b4f192542634475140e9
SSDEEP

768:Ra+vOyMD5oQ/cXK+dbFg1TGAN2RUqZxbhxEll7j0MLlH:Ra+vM4ld+TR26qZxbhO3IM

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\C917B60B = "C:\\Users\\Admin\\AppData\\Roaming\\C917B60B\\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/640-0-0x0000000000400000-0x000000000041A000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1188	4140	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	694decb30226b8e3da044ce0ad963bbeff1af9af4a94c0527a954de6cbd08da6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4140	winver.exe
4140	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3532	Explorer.EXE
Token: SeCreatePagefilePrivilege	3532	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4140	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 640 wrote to memory of 4140	640	694decb30226b8e3da044ce0ad963bbeff1af9af4a94c0527a954de6cbd08da6.exe	84
PID 640 wrote to memory of 4140	640	694decb30226b8e3da044ce0ad963bbeff1af9af4a94c0527a954de6cbd08da6.exe	84
PID 640 wrote to memory of 4140	640	694decb30226b8e3da044ce0ad963bbeff1af9af4a94c0527a954de6cbd08da6.exe	84
PID 640 wrote to memory of 4140	640	694decb30226b8e3da044ce0ad963bbeff1af9af4a94c0527a954de6cbd08da6.exe	84
PID 4140 wrote to memory of 3532	4140	winver.exe	56
PID 4140 wrote to memory of 2688	4140	winver.exe	47

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2688

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3532
- C:\Users\Admin\AppData\Local\Temp\694decb30226b8e3da044ce0ad963bbeff1af9af4a94c0527a954de6cbd08da6.exe
  "C:\Users\Admin\AppData\Local\Temp\694decb30226b8e3da044ce0ad963bbeff1af9af4a94c0527a954de6cbd08da6.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:640
- - 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:4140
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4140 -s 352
      4⤵
      Program crash
      PID:1188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4140 -ip 4140
1⤵
PID:1416

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/640-8-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/640-1-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download
memory/640-0-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/640-4-0x0000000002530000-0x0000000002F30000-memory.dmp

Filesize
10.0MB

Download
memory/640-9-0x0000000002530000-0x0000000002F30000-memory.dmp

Filesize
10.0MB

Download
memory/2688-13-0x0000000000640000-0x0000000000646000-memory.dmp

Filesize
24KB

Download
memory/3532-2-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download
memory/3532-6-0x00007FF89200D000-0x00007FF89200E000-memory.dmp

Filesize
4KB

Download
memory/3532-3-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download
memory/4140-7-0x00007FF891F70000-0x00007FF892165000-memory.dmp

Filesize
2.0MB

Download
memory/4140-5-0x0000000077202000-0x0000000077203000-memory.dmp

Filesize
4KB

Download
memory/4140-11-0x0000000000FD0000-0x0000000000FD6000-memory.dmp

Filesize
24KB

Download
memory/4140-14-0x0000000000FD0000-0x0000000000FD6000-memory.dmp

Filesize
24KB

Download