tinba | 7087bf238addbd8ada881d9014fa1313e3286c3f24080400ad1560b4fbef52e1

Analysis

max time kernel
140s
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
24-01-2025 23:32

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General

Target

7087bf238addbd8ada881d9014fa1313e3286c3f24080400ad1560b4fbef52e1N.exe
Size

110KB
MD5

9042a9ccf2ca4a7d13039b8ffe3ada00
SHA1

3ba4fa515182cca7bcfd0fc0fda867b9f5c1a3fa
SHA256

7087bf238addbd8ada881d9014fa1313e3286c3f24080400ad1560b4fbef52e1
SHA512

db0b5db6e1d513a88c7ce63a2d6b712e6e48486b1dfbd814e75b3b208ba8a3ddbbd895df2225409dd1569e8cc0cb1000a101f8dfcacba153b8ca633b8b442dc4
SSDEEP

1536:miLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:miyvRmDLs/ZrwWJjAqGcRJ2hA

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\E11EE5B7 = "C:\\Users\\Admin\\AppData\\Roaming\\E11EE5B7\\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/4488-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1804	4736	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	7087bf238addbd8ada881d9014fa1313e3286c3f24080400ad1560b4fbef52e1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4736	winver.exe
4736	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
4736	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4488 wrote to memory of 4736	4488	7087bf238addbd8ada881d9014fa1313e3286c3f24080400ad1560b4fbef52e1N.exe	84
PID 4488 wrote to memory of 4736	4488	7087bf238addbd8ada881d9014fa1313e3286c3f24080400ad1560b4fbef52e1N.exe	84
PID 4488 wrote to memory of 4736	4488	7087bf238addbd8ada881d9014fa1313e3286c3f24080400ad1560b4fbef52e1N.exe	84
PID 4488 wrote to memory of 4736	4488	7087bf238addbd8ada881d9014fa1313e3286c3f24080400ad1560b4fbef52e1N.exe	84
PID 4736 wrote to memory of 3456	4736	winver.exe	56
PID 4736 wrote to memory of 3012	4736	winver.exe	50

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3012

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3456
- C:\Users\Admin\AppData\Local\Temp\7087bf238addbd8ada881d9014fa1313e3286c3f24080400ad1560b4fbef52e1N.exe
  "C:\Users\Admin\AppData\Local\Temp\7087bf238addbd8ada881d9014fa1313e3286c3f24080400ad1560b4fbef52e1N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4488
- - 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:4736
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4736 -s 352
      4⤵
      Program crash
      PID:1804

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4736 -ip 4736
1⤵
PID:4928

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/3012-14-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/3456-6-0x00007FFF04FED000-0x00007FFF04FEE000-memory.dmp

Filesize
4KB

Download
memory/3456-3-0x0000000002C20000-0x0000000002C26000-memory.dmp

Filesize
24KB

Download
memory/3456-2-0x0000000002C20000-0x0000000002C26000-memory.dmp

Filesize
24KB

Download
memory/3456-7-0x00007FFF04FEC000-0x00007FFF04FED000-memory.dmp

Filesize
4KB

Download
memory/4488-4-0x0000000002350000-0x0000000002D50000-memory.dmp

Filesize
10.0MB

Download
memory/4488-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4488-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/4488-10-0x0000000002350000-0x0000000002D50000-memory.dmp

Filesize
10.0MB

Download
memory/4488-1-0x0000000002160000-0x0000000002161000-memory.dmp

Filesize
4KB

Download
memory/4736-5-0x0000000077132000-0x0000000077133000-memory.dmp

Filesize
4KB

Download
memory/4736-8-0x00007FFF04F50000-0x00007FFF05145000-memory.dmp

Filesize
2.0MB

Download
memory/4736-12-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download
memory/4736-15-0x0000000002D70000-0x0000000002D76000-memory.dmp

Filesize
24KB

Download