tinba | 6261c97dd4750321f74ea762c67f8d2d02da711d5644e235fb756ceed8aa589b

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\D63E618F = "C:\\Users\\Admin\\AppData\\Roaming\\D63E618F\\bin.exe"	winver.exe

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 57 IoCs

pid	Process
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe
2284	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2284	winver.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1980 wrote to memory of 2284	1980	6261c97dd4750321f74ea762c67f8d2d02da711d5644e235fb756ceed8aa589bN.exe	31
PID 1980 wrote to memory of 2284	1980	6261c97dd4750321f74ea762c67f8d2d02da711d5644e235fb756ceed8aa589bN.exe	31
PID 1980 wrote to memory of 2284	1980	6261c97dd4750321f74ea762c67f8d2d02da711d5644e235fb756ceed8aa589bN.exe	31
PID 1980 wrote to memory of 2284	1980	6261c97dd4750321f74ea762c67f8d2d02da711d5644e235fb756ceed8aa589bN.exe	31
PID 1980 wrote to memory of 2284	1980	6261c97dd4750321f74ea762c67f8d2d02da711d5644e235fb756ceed8aa589bN.exe	31
PID 2284 wrote to memory of 1204	2284	winver.exe	21
PID 2284 wrote to memory of 1100	2284	winver.exe	19
PID 2284 wrote to memory of 1156	2284	winver.exe	20
PID 2284 wrote to memory of 1204	2284	winver.exe	21

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1156

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- 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:1980
- - 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:2284

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/1100-23-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/1100-24-0x0000000077931000-0x0000000077932000-memory.dmp

Filesize
4KB

Download
memory/1156-20-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1156-25-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x00000000028B0000-0x00000000028B6000-memory.dmp

Filesize
24KB

Download
memory/1204-2-0x00000000028B0000-0x00000000028B6000-memory.dmp

Filesize
24KB

Download
memory/1204-10-0x0000000077931000-0x0000000077932000-memory.dmp

Filesize
4KB

Download
memory/1204-22-0x0000000002860000-0x0000000002866000-memory.dmp

Filesize
24KB

Download
memory/1204-4-0x00000000028B0000-0x00000000028B6000-memory.dmp

Filesize
24KB

Download
memory/1204-26-0x0000000002860000-0x0000000002866000-memory.dmp

Filesize
24KB

Download
memory/1980-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1980-0-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1980-5-0x0000000001E20000-0x0000000002820000-memory.dmp

Filesize
10.0MB

Download
memory/1980-12-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/1980-13-0x0000000001E20000-0x0000000002820000-memory.dmp

Filesize
10.0MB

Download
memory/2284-6-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2284-27-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2284-7-0x0000000077AE0000-0x0000000077AE1000-memory.dmp

Filesize
4KB

Download
memory/2284-8-0x0000000077ADF000-0x0000000077AE0000-memory.dmp

Filesize
4KB

Download
memory/2284-9-0x0000000077ADF000-0x0000000077AE1000-memory.dmp

Filesize
8KB

Download
memory/2284-11-0x00000000778E0000-0x0000000077A89000-memory.dmp

Filesize
1.7MB

Download
memory/2284-31-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download