tinba | 79867acbe62d82716ec2e3de275da0a7eb9b79fdc9e9ce05e0d3c8fa2b20e8e1

Analysis

max time kernel
107s
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
16-01-2025 23:24

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General

Target

79867acbe62d82716ec2e3de275da0a7eb9b79fdc9e9ce05e0d3c8fa2b20e8e1.exe
Size

52KB
MD5

5f715002821f9d14e6d2c68ffc281bf0
SHA1

9372b9aa15bd85e59efa52238bb1212cfd577604
SHA256

79867acbe62d82716ec2e3de275da0a7eb9b79fdc9e9ce05e0d3c8fa2b20e8e1
SHA512

b1e55495c8bd336127402157c11b74ef8f483802dc537cb2ba76be9e5755846b14ea5cacb4df31800ae0f1b4b6f80fcdd1aea2c35bc4d341c96b7966b0e304bc
SSDEEP

768:uvC6RMtZNZUXeb4fXDR2JVDDISp8m7DM3pIg4LqTTUUnGg7O1/l9JqX:2mZNZUXeQXFhS6sM3prUSGg7O1d9JK

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DC99BE8A = "C:\\Users\\Admin\\AppData\\Roaming\\DC99BE8A\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4620	3204	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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	79867acbe62d82716ec2e3de275da0a7eb9b79fdc9e9ce05e0d3c8fa2b20e8e1.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3204	winver.exe
3204	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3476	Explorer.EXE
Token: SeCreatePagefilePrivilege	3476	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3204	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2700 wrote to memory of 3204	2700	79867acbe62d82716ec2e3de275da0a7eb9b79fdc9e9ce05e0d3c8fa2b20e8e1.exe	84
PID 2700 wrote to memory of 3204	2700	79867acbe62d82716ec2e3de275da0a7eb9b79fdc9e9ce05e0d3c8fa2b20e8e1.exe	84
PID 2700 wrote to memory of 3204	2700	79867acbe62d82716ec2e3de275da0a7eb9b79fdc9e9ce05e0d3c8fa2b20e8e1.exe	84
PID 2700 wrote to memory of 3204	2700	79867acbe62d82716ec2e3de275da0a7eb9b79fdc9e9ce05e0d3c8fa2b20e8e1.exe	84
PID 3204 wrote to memory of 3476	3204	winver.exe	56
PID 3204 wrote to memory of 2896	3204	winver.exe	49

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2896

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3476
- C:\Users\Admin\AppData\Local\Temp\79867acbe62d82716ec2e3de275da0a7eb9b79fdc9e9ce05e0d3c8fa2b20e8e1.exe
  "C:\Users\Admin\AppData\Local\Temp\79867acbe62d82716ec2e3de275da0a7eb9b79fdc9e9ce05e0d3c8fa2b20e8e1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2700
- - 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:3204
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3204 -s 352
      4⤵
      Program crash
      PID:4620

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3204 -ip 3204
1⤵
PID:2300

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/2700-0-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/2700-3-0x0000000002380000-0x0000000002D80000-memory.dmp

Filesize
10.0MB

Download
memory/2700-7-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2700-8-0x0000000002380000-0x0000000002D80000-memory.dmp

Filesize
10.0MB

Download
memory/2896-12-0x0000000000520000-0x0000000000526000-memory.dmp

Filesize
24KB

Download
memory/3204-4-0x0000000077C92000-0x0000000077C93000-memory.dmp

Filesize
4KB

Download
memory/3204-6-0x00007FF8DAD90000-0x00007FF8DAF85000-memory.dmp

Filesize
2.0MB

Download
memory/3204-10-0x00000000023D0000-0x00000000023D6000-memory.dmp

Filesize
24KB

Download
memory/3204-13-0x00000000023D0000-0x00000000023D6000-memory.dmp

Filesize
24KB

Download
memory/3476-2-0x0000000000D90000-0x0000000000D96000-memory.dmp

Filesize
24KB

Download
memory/3476-1-0x0000000000D90000-0x0000000000D96000-memory.dmp

Filesize
24KB

Download
memory/3476-5-0x00007FF8DAE2D000-0x00007FF8DAE2E000-memory.dmp

Filesize
4KB

Download