tinba | 92cf6dd7c10db6d1fd9867d4a11b08d5482589f49e979bf433c20694c9a5661d

Analysis

max time kernel
146s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-12-2024 19:42

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General

Target

92cf6dd7c10db6d1fd9867d4a11b08d5482589f49e979bf433c20694c9a5661d.exe
Size

59KB
MD5

952ed6fb40c4308b0cd561fee433da76
SHA1

9f83b4c7d717dcece4e37a1174fb5d0b882f687f
SHA256

92cf6dd7c10db6d1fd9867d4a11b08d5482589f49e979bf433c20694c9a5661d
SHA512

630774a8b904d0c4809569083b91867fb7cf5f36f92dc1510f3b248c4b165c54fb7b8efc7d0de359758f5a3330e904d28dd9c8349d8f9722ea4ee279a4916af3
SSDEEP

768:4+6p+OMlgGMCWhfDzU7f7JDgiFP7xI57+sByZ+XsfXpwtGc9J1:4+mFM2HXKZgiFP7xIksu+XM5O9J1

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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AB9D9729 = "C:\\Users\\Admin\\AppData\\Roaming\\AB9D9729\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5104	1180	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	92cf6dd7c10db6d1fd9867d4a11b08d5482589f49e979bf433c20694c9a5661d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1180	winver.exe
1180	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3536	Explorer.EXE
Token: SeCreatePagefilePrivilege	3536	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1180	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1400 wrote to memory of 1180	1400	92cf6dd7c10db6d1fd9867d4a11b08d5482589f49e979bf433c20694c9a5661d.exe	84
PID 1400 wrote to memory of 1180	1400	92cf6dd7c10db6d1fd9867d4a11b08d5482589f49e979bf433c20694c9a5661d.exe	84
PID 1400 wrote to memory of 1180	1400	92cf6dd7c10db6d1fd9867d4a11b08d5482589f49e979bf433c20694c9a5661d.exe	84
PID 1400 wrote to memory of 1180	1400	92cf6dd7c10db6d1fd9867d4a11b08d5482589f49e979bf433c20694c9a5661d.exe	84
PID 1180 wrote to memory of 3536	1180	winver.exe	56
PID 1180 wrote to memory of 2688	1180	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2688

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3536
- C:\Users\Admin\AppData\Local\Temp\92cf6dd7c10db6d1fd9867d4a11b08d5482589f49e979bf433c20694c9a5661d.exe
  "C:\Users\Admin\AppData\Local\Temp\92cf6dd7c10db6d1fd9867d4a11b08d5482589f49e979bf433c20694c9a5661d.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1400
- - 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:1180
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1180 -s 352
      4⤵
      Program crash
      PID:5104

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1180 -ip 1180
1⤵
PID:872

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/1180-4-0x00000000779C2000-0x00000000779C3000-memory.dmp

Filesize
4KB

Download
memory/1180-6-0x00007FFFC1010000-0x00007FFFC1205000-memory.dmp

Filesize
2.0MB

Download
memory/1180-10-0x0000000001460000-0x0000000001466000-memory.dmp

Filesize
24KB

Download
memory/1180-13-0x0000000001460000-0x0000000001466000-memory.dmp

Filesize
24KB

Download
memory/1400-0-0x00000000006C0000-0x00000000006C1000-memory.dmp

Filesize
4KB

Download
memory/1400-3-0x00000000023A0000-0x0000000002DA0000-memory.dmp

Filesize
10.0MB

Download
memory/1400-7-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1400-8-0x00000000023A0000-0x0000000002DA0000-memory.dmp

Filesize
10.0MB

Download
memory/2688-12-0x0000000000DA0000-0x0000000000DA6000-memory.dmp

Filesize
24KB

Download
memory/3536-2-0x00000000012F0000-0x00000000012F6000-memory.dmp

Filesize
24KB

Download
memory/3536-1-0x00000000012F0000-0x00000000012F6000-memory.dmp

Filesize
24KB

Download
memory/3536-5-0x00007FFFC10AD000-0x00007FFFC10AE000-memory.dmp

Filesize
4KB

Download