tinba | 6261c97dd4750321f74ea762c67f8d2d02da711d5644e235fb756ceed8aa589b

Analysis

max time kernel
110s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-01-2025 03:12

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General

Target

6261c97dd4750321f74ea762c67f8d2d02da711d5644e235fb756ceed8aa589bN.exe
Size

89KB
MD5

53ac908f0cd0a4387b66edc4a10f0030
SHA1

88dce72a51c9662fcc45df9f4173c5a2cf6f1940
SHA256

6261c97dd4750321f74ea762c67f8d2d02da711d5644e235fb756ceed8aa589b
SHA512

92f63d1649d4d134d4347f78db6eba8ffb0be4137d4764c33fdca35f4cade6a833e652c5d692c90ab49c2f715bde58c9f4ccf7e18b935b4920f0a2a7a21e07ab
SSDEEP

1536:Uz44CpRkr9DXhH/2m//56RrufqjhzrmKIFAV0E:UzvokZRfN/yFj1qrFAH

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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\AED9D92A = "C:\\Users\\Admin\\AppData\\Roaming\\AED9D92A\\bin.exe"	winver.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3724	4204	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	6261c97dd4750321f74ea762c67f8d2d02da711d5644e235fb756ceed8aa589bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4204	winver.exe
4204	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3532	Explorer.EXE
Token: SeCreatePagefilePrivilege	3532	Explorer.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4204	winver.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1520 wrote to memory of 4204	1520	6261c97dd4750321f74ea762c67f8d2d02da711d5644e235fb756ceed8aa589bN.exe	83
PID 1520 wrote to memory of 4204	1520	6261c97dd4750321f74ea762c67f8d2d02da711d5644e235fb756ceed8aa589bN.exe	83
PID 1520 wrote to memory of 4204	1520	6261c97dd4750321f74ea762c67f8d2d02da711d5644e235fb756ceed8aa589bN.exe	83
PID 1520 wrote to memory of 4204	1520	6261c97dd4750321f74ea762c67f8d2d02da711d5644e235fb756ceed8aa589bN.exe	83
PID 4204 wrote to memory of 3532	4204	winver.exe	56
PID 4204 wrote to memory of 2596	4204	winver.exe	44

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2596

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3532
- C:\Users\Admin\AppData\Local\Temp\6261c97dd4750321f74ea762c67f8d2d02da711d5644e235fb756ceed8aa589bN.exe
  "C:\Users\Admin\AppData\Local\Temp\6261c97dd4750321f74ea762c67f8d2d02da711d5644e235fb756ceed8aa589bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1520
- - 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:4204
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4204 -s 352
      4⤵
      Program crash
      PID:3724

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4204 -ip 4204
1⤵
PID:1608

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/1520-9-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1520-1-0x0000000000580000-0x0000000000581000-memory.dmp

Filesize
4KB

Download
memory/1520-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1520-10-0x0000000002060000-0x0000000002A60000-memory.dmp

Filesize
10.0MB

Download
memory/1520-4-0x0000000002060000-0x0000000002A60000-memory.dmp

Filesize
10.0MB

Download
memory/2596-14-0x00000000000A0000-0x00000000000A6000-memory.dmp

Filesize
24KB

Download
memory/3532-2-0x0000000000AE0000-0x0000000000AE6000-memory.dmp

Filesize
24KB

Download
memory/3532-6-0x00007FFD0B3ED000-0x00007FFD0B3EE000-memory.dmp

Filesize
4KB

Download
memory/3532-3-0x0000000000AE0000-0x0000000000AE6000-memory.dmp

Filesize
24KB

Download
memory/4204-7-0x00007FFD0B350000-0x00007FFD0B545000-memory.dmp

Filesize
2.0MB

Download
memory/4204-5-0x0000000077582000-0x0000000077583000-memory.dmp

Filesize
4KB

Download
memory/4204-12-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download
memory/4204-15-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download