tinba | f743d0db4a371257d5b8a05e60d575e3f00a7acc7c7dc167ab8cff2aad9d210d

Analysis

max time kernel
103s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2024 05:29

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General

Target

f743d0db4a371257d5b8a05e60d575e3f00a7acc7c7dc167ab8cff2aad9d210dN.exe
Size

88KB
MD5

0bbe9a2f9df7efb0254d7dc247965b40
SHA1

be56c84033ff95b03c337f13b264ddde0000bb68
SHA256

f743d0db4a371257d5b8a05e60d575e3f00a7acc7c7dc167ab8cff2aad9d210d
SHA512

656a7cc379f8a53d0b738fcff0e089aa6520b6feb11871dc5460788694e1940d6446390c21c44924c162268e51e54d18700144393ae4d9a483f79448657260d9
SSDEEP

1536:U5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:U5fvp12UFKcD/6jwqWsNI

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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\D79D6D74 = "C:\\Users\\Admin\\AppData\\Roaming\\D79D6D74\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1732	2800	WerFault.exe	85

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	f743d0db4a371257d5b8a05e60d575e3f00a7acc7c7dc167ab8cff2aad9d210dN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2800	winver.exe
2800	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3560	Explorer.EXE
Token: SeCreatePagefilePrivilege	3560	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2800	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5088 wrote to memory of 2800	5088	f743d0db4a371257d5b8a05e60d575e3f00a7acc7c7dc167ab8cff2aad9d210dN.exe	85
PID 5088 wrote to memory of 2800	5088	f743d0db4a371257d5b8a05e60d575e3f00a7acc7c7dc167ab8cff2aad9d210dN.exe	85
PID 5088 wrote to memory of 2800	5088	f743d0db4a371257d5b8a05e60d575e3f00a7acc7c7dc167ab8cff2aad9d210dN.exe	85
PID 5088 wrote to memory of 2800	5088	f743d0db4a371257d5b8a05e60d575e3f00a7acc7c7dc167ab8cff2aad9d210dN.exe	85
PID 2800 wrote to memory of 3560	2800	winver.exe	56
PID 2800 wrote to memory of 2660	2800	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2660

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3560
- C:\Users\Admin\AppData\Local\Temp\f743d0db4a371257d5b8a05e60d575e3f00a7acc7c7dc167ab8cff2aad9d210dN.exe
  "C:\Users\Admin\AppData\Local\Temp\f743d0db4a371257d5b8a05e60d575e3f00a7acc7c7dc167ab8cff2aad9d210dN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5088
- - 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:2800
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2800 -s 352
      4⤵
      Program crash
      PID:1732

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 2800 -ip 2800
1⤵
PID:3656

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/2660-13-0x0000000000580000-0x0000000000586000-memory.dmp

Filesize
24KB

Download
memory/2800-5-0x0000000077BB2000-0x0000000077BB3000-memory.dmp

Filesize
4KB

Download
memory/2800-4-0x0000000002820000-0x0000000002826000-memory.dmp

Filesize
24KB

Download
memory/2800-7-0x00007FFC71850000-0x00007FFC71A45000-memory.dmp

Filesize
2.0MB

Download
memory/2800-14-0x0000000002820000-0x0000000002826000-memory.dmp

Filesize
24KB

Download
memory/3560-2-0x0000000000B40000-0x0000000000B46000-memory.dmp

Filesize
24KB

Download
memory/3560-1-0x0000000000B40000-0x0000000000B46000-memory.dmp

Filesize
24KB

Download
memory/3560-6-0x00007FFC718ED000-0x00007FFC718EE000-memory.dmp

Filesize
4KB

Download
memory/5088-0-0x0000000000680000-0x0000000000681000-memory.dmp

Filesize
4KB

Download
memory/5088-3-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download
memory/5088-8-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/5088-9-0x0000000002260000-0x0000000002C60000-memory.dmp

Filesize
10.0MB

Download