tinba | 97851ea7371010bd67c8bbae1d23629507667dfcf02004c97e2beedc86a6a0e9

Analysis

max time kernel
110s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 12:23

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General

Target

97851ea7371010bd67c8bbae1d23629507667dfcf02004c97e2beedc86a6a0e9N.exe
Size

110KB
MD5

d714b0bd56f3462805bf17d97ab165a0
SHA1

fe8c79f628e74ee88d4380a4d477002c8f657a78
SHA256

97851ea7371010bd67c8bbae1d23629507667dfcf02004c97e2beedc86a6a0e9
SHA512

dc82107893b3b6333142badf3fecc1c882d565f0dd3801f26b15dd79cf807790921892fba61b6955736af86c35d41e1b7b329adad0a18b5fff3b1f7906b6d989
SSDEEP

1536:aiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:aiyvRmDLs/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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\99B16E86 = "C:\\Users\\Admin\\AppData\\Roaming\\99B16E86\\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/3972-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4720	3780	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	97851ea7371010bd67c8bbae1d23629507667dfcf02004c97e2beedc86a6a0e9N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3780	winver.exe
3780	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3412	Explorer.EXE
Token: SeCreatePagefilePrivilege	3412	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3780	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3972 wrote to memory of 3780	3972	97851ea7371010bd67c8bbae1d23629507667dfcf02004c97e2beedc86a6a0e9N.exe	83
PID 3972 wrote to memory of 3780	3972	97851ea7371010bd67c8bbae1d23629507667dfcf02004c97e2beedc86a6a0e9N.exe	83
PID 3972 wrote to memory of 3780	3972	97851ea7371010bd67c8bbae1d23629507667dfcf02004c97e2beedc86a6a0e9N.exe	83
PID 3972 wrote to memory of 3780	3972	97851ea7371010bd67c8bbae1d23629507667dfcf02004c97e2beedc86a6a0e9N.exe	83
PID 3780 wrote to memory of 3412	3780	winver.exe	55
PID 3780 wrote to memory of 2644	3780	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2644

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3412
- C:\Users\Admin\AppData\Local\Temp\97851ea7371010bd67c8bbae1d23629507667dfcf02004c97e2beedc86a6a0e9N.exe
  "C:\Users\Admin\AppData\Local\Temp\97851ea7371010bd67c8bbae1d23629507667dfcf02004c97e2beedc86a6a0e9N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3972
- - 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:3780
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3780 -s 356
      4⤵
      Program crash
      PID:4720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3780 -ip 3780
1⤵
PID:2512

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/2644-14-0x0000000000020000-0x0000000000026000-memory.dmp

Filesize
24KB

Download
memory/3412-6-0x00007FFEA2CCD000-0x00007FFEA2CCE000-memory.dmp

Filesize
4KB

Download
memory/3412-3-0x0000000000B30000-0x0000000000B36000-memory.dmp

Filesize
24KB

Download
memory/3412-2-0x0000000000B30000-0x0000000000B36000-memory.dmp

Filesize
24KB

Download
memory/3780-5-0x0000000077DF2000-0x0000000077DF3000-memory.dmp

Filesize
4KB

Download
memory/3780-7-0x00007FFEA2C30000-0x00007FFEA2E25000-memory.dmp

Filesize
2.0MB

Download
memory/3780-12-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/3780-15-0x00000000001F0000-0x00000000001F6000-memory.dmp

Filesize
24KB

Download
memory/3972-4-0x00000000020C0000-0x0000000002AC0000-memory.dmp

Filesize
10.0MB

Download
memory/3972-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3972-9-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/3972-10-0x00000000020C0000-0x0000000002AC0000-memory.dmp

Filesize
10.0MB

Download
memory/3972-1-0x0000000002020000-0x0000000002021000-memory.dmp

Filesize
4KB

Download