tinba | 97f3db9eab7db75a291b6db849d3def1ef1f3d2df555b9b76e64da7dd7a003b3

Analysis

max time kernel
146s
max time network
95s
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 23:22

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General

Target

97f3db9eab7db75a291b6db849d3def1ef1f3d2df555b9b76e64da7dd7a003b3.exe
Size

110KB
MD5

bf23cfc5b8e19beaafcfc3ce9eee2f13
SHA1

a816358dbc30d536410f5de57bc7051c095a8c2c
SHA256

97f3db9eab7db75a291b6db849d3def1ef1f3d2df555b9b76e64da7dd7a003b3
SHA512

a14fb1f92fe8f7c86ba51be98dfeec5d3d29b692dd8145803775f0588f2028dd34d965931792206e9112ad0a389b46261d17cfcc60499bd5b6d449c3be80dabf
SSDEEP

1536:YiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EQ:YiyvRmDLs/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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\E826ECE8 = "C:\\Users\\Admin\\AppData\\Roaming\\E826ECE8\\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/1708-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3200	3792	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	97f3db9eab7db75a291b6db849d3def1ef1f3d2df555b9b76e64da7dd7a003b3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3792	winver.exe
3792	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3352	Explorer.EXE
Token: SeCreatePagefilePrivilege	3352	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3792	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 3792	1708	97f3db9eab7db75a291b6db849d3def1ef1f3d2df555b9b76e64da7dd7a003b3.exe	83
PID 1708 wrote to memory of 3792	1708	97f3db9eab7db75a291b6db849d3def1ef1f3d2df555b9b76e64da7dd7a003b3.exe	83
PID 1708 wrote to memory of 3792	1708	97f3db9eab7db75a291b6db849d3def1ef1f3d2df555b9b76e64da7dd7a003b3.exe	83
PID 1708 wrote to memory of 3792	1708	97f3db9eab7db75a291b6db849d3def1ef1f3d2df555b9b76e64da7dd7a003b3.exe	83
PID 3792 wrote to memory of 3352	3792	winver.exe	55
PID 3792 wrote to memory of 2572	3792	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2572

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3352
- C:\Users\Admin\AppData\Local\Temp\97f3db9eab7db75a291b6db849d3def1ef1f3d2df555b9b76e64da7dd7a003b3.exe
  "C:\Users\Admin\AppData\Local\Temp\97f3db9eab7db75a291b6db849d3def1ef1f3d2df555b9b76e64da7dd7a003b3.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1708
- - 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:3792
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3792 -s 352
      4⤵
      Program crash
      PID:3200

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3792 -ip 3792
1⤵
PID:4080

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/1708-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1708-1-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download
memory/1708-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1708-4-0x00000000020B0000-0x0000000002AB0000-memory.dmp

Filesize
10.0MB

Download
memory/1708-10-0x00000000020B0000-0x0000000002AB0000-memory.dmp

Filesize
10.0MB

Download
memory/2572-14-0x00000000009F0000-0x00000000009F6000-memory.dmp

Filesize
24KB

Download
memory/3352-2-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/3352-7-0x00007FFF360AD000-0x00007FFF360AE000-memory.dmp

Filesize
4KB

Download
memory/3352-3-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/3792-8-0x00007FFF36010000-0x00007FFF36205000-memory.dmp

Filesize
2.0MB

Download
memory/3792-5-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download
memory/3792-6-0x0000000077EB2000-0x0000000077EB3000-memory.dmp

Filesize
4KB

Download
memory/3792-15-0x0000000002D80000-0x0000000002D86000-memory.dmp

Filesize
24KB

Download