tinba | 9284df2cf961148490143d3f943fe725bc8fb0cb16f82beff2fe953fa83f1763

Analysis

max time kernel
117s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2024 18:32

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General

Target

9284df2cf961148490143d3f943fe725bc8fb0cb16f82beff2fe953fa83f1763.exe
Size

88KB
MD5

513a448840be17be50f15bf614ce7873
SHA1

a77f4bb879af945ff8098d0ea1a5b008f7b04d92
SHA256

9284df2cf961148490143d3f943fe725bc8fb0cb16f82beff2fe953fa83f1763
SHA512

0d93576daa4f5564956b5ba7f99392372e6a2b39309851486b5bf5673b6664ccae18e0edc77aa6801d20f1488d2fabb2ab764f8272b5e12c93d3ba100038752c
SSDEEP

1536:Q5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:Q5fvp12UFKcD/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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\F74F18E2 = "C:\\Users\\Admin\\AppData\\Roaming\\F74F18E2\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4108	3360	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	9284df2cf961148490143d3f943fe725bc8fb0cb16f82beff2fe953fa83f1763.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3360	winver.exe
3360	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3568	Explorer.EXE
Token: SeCreatePagefilePrivilege	3568	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3360	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 3360	2072	9284df2cf961148490143d3f943fe725bc8fb0cb16f82beff2fe953fa83f1763.exe	84
PID 2072 wrote to memory of 3360	2072	9284df2cf961148490143d3f943fe725bc8fb0cb16f82beff2fe953fa83f1763.exe	84
PID 2072 wrote to memory of 3360	2072	9284df2cf961148490143d3f943fe725bc8fb0cb16f82beff2fe953fa83f1763.exe	84
PID 2072 wrote to memory of 3360	2072	9284df2cf961148490143d3f943fe725bc8fb0cb16f82beff2fe953fa83f1763.exe	84
PID 3360 wrote to memory of 3568	3360	winver.exe	56
PID 3360 wrote to memory of 2520	3360	winver.exe	42

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2520

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3568
- C:\Users\Admin\AppData\Local\Temp\9284df2cf961148490143d3f943fe725bc8fb0cb16f82beff2fe953fa83f1763.exe
  "C:\Users\Admin\AppData\Local\Temp\9284df2cf961148490143d3f943fe725bc8fb0cb16f82beff2fe953fa83f1763.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2072
- - 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:3360
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3360 -s 360
      4⤵
      Program crash
      PID:4108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3360 -ip 3360
1⤵
PID:3280

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/2072-0-0x00000000004A0000-0x00000000004A1000-memory.dmp

Filesize
4KB

Download
memory/2072-3-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/2072-7-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2072-8-0x0000000002220000-0x0000000002C20000-memory.dmp

Filesize
10.0MB

Download
memory/2520-12-0x00000000007D0000-0x00000000007D6000-memory.dmp

Filesize
24KB

Download
memory/3360-4-0x0000000077472000-0x0000000077473000-memory.dmp

Filesize
4KB

Download
memory/3360-6-0x00007FFFB7090000-0x00007FFFB7285000-memory.dmp

Filesize
2.0MB

Download
memory/3360-10-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/3360-13-0x0000000002580000-0x0000000002586000-memory.dmp

Filesize
24KB

Download
memory/3568-2-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/3568-1-0x0000000000C00000-0x0000000000C06000-memory.dmp

Filesize
24KB

Download
memory/3568-5-0x00007FFFB712D000-0x00007FFFB712E000-memory.dmp

Filesize
4KB

Download