tinba | bc652ffef8d01ea545d25fb3df55c416dd0f40fafc9281bfc9ef9cc35cf21576

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/01/2025, 12:00 UTC

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General

Target

bc652ffef8d01ea545d25fb3df55c416dd0f40fafc9281bfc9ef9cc35cf21576N.exe
Size

110KB
MD5

47b717e34c986f5b93e88872cbfc3950
SHA1

98709fdc999ee801904d2fd8c9f990154c9267de
SHA256

bc652ffef8d01ea545d25fb3df55c416dd0f40fafc9281bfc9ef9cc35cf21576
SHA512

f7b38fdc5342d2b7e994f086f3915297b6660ab0fd942de64c22c54a7bbc42beb7375c89c5f7060fe28be70a0ef352e2ac65838a8467210606ad10c9717539b4
SSDEEP

1536:ziLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:ziyvRmDLs/ZrwWJjAqGcRJ2hA

Score

10^/10

tinba banker discovery persistence trojan upx

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\70B06B4D = "C:\\Users\\Admin\\AppData\\Roaming\\70B06B4D\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1748-0-0x0000000000400000-0x000000000041E000-memory.dmp	upx

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	bc652ffef8d01ea545d25fb3df55c416dd0f40fafc9281bfc9ef9cc35cf21576N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe
1776	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1776	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1748 wrote to memory of 1776	1748	bc652ffef8d01ea545d25fb3df55c416dd0f40fafc9281bfc9ef9cc35cf21576N.exe	31
PID 1748 wrote to memory of 1776	1748	bc652ffef8d01ea545d25fb3df55c416dd0f40fafc9281bfc9ef9cc35cf21576N.exe	31
PID 1748 wrote to memory of 1776	1748	bc652ffef8d01ea545d25fb3df55c416dd0f40fafc9281bfc9ef9cc35cf21576N.exe	31
PID 1748 wrote to memory of 1776	1748	bc652ffef8d01ea545d25fb3df55c416dd0f40fafc9281bfc9ef9cc35cf21576N.exe	31
PID 1748 wrote to memory of 1776	1748	bc652ffef8d01ea545d25fb3df55c416dd0f40fafc9281bfc9ef9cc35cf21576N.exe	31
PID 1776 wrote to memory of 1200	1776	winver.exe	21
PID 1776 wrote to memory of 1112	1776	winver.exe	19
PID 1776 wrote to memory of 1160	1776	winver.exe	20
PID 1776 wrote to memory of 1200	1776	winver.exe	21
PID 1776 wrote to memory of 836	1776	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\bc652ffef8d01ea545d25fb3df55c416dd0f40fafc9281bfc9ef9cc35cf21576N.exe
  "C:\Users\Admin\AppData\Local\Temp\bc652ffef8d01ea545d25fb3df55c416dd0f40fafc9281bfc9ef9cc35cf21576N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1748
- - 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:1776

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:836

Network

DNS

spaines.pw

winver.exe

Remote address:

8.8.8.8:53

Request

spaines.pw

IN A

Response

spaines.pw

IN A

216.218.185.162
POST

http://spaines.pw/EiDQjNbWEQ/

winver.exe

Remote address:

216.218.185.162:80

Request

POST /EiDQjNbWEQ/ HTTP/1.0
Host: spaines.pw
Content-Length: 157

Response

HTTP/1.1 200 OK

Server: nginx/1.21.6
Date: Fri, 03 Jan 2025 12:01:11 GMT
Content-Type: application/octet-stream
Connection: close

216.218.185.162:80

http://spaines.pw/EiDQjNbWEQ/

http

winver.exe

1.2kB
1.0kB
22
22

HTTP Request

POST http://spaines.pw/EiDQjNbWEQ/

HTTP Response

200

8.8.8.8:53

spaines.pw

dns

winver.exe

56 B
72 B
1
1

DNS Request

spaines.pw

DNS Response

216.218.185.162

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/836-31-0x0000000077A91000-0x0000000077A92000-memory.dmp

Filesize
4KB

Download
memory/836-25-0x0000000001E70000-0x0000000001E76000-memory.dmp

Filesize
24KB

Download
memory/836-30-0x0000000001E70000-0x0000000001E76000-memory.dmp

Filesize
24KB

Download
memory/1112-26-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/1112-27-0x0000000077A91000-0x0000000077A92000-memory.dmp

Filesize
4KB

Download
memory/1160-21-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1160-29-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x0000000077A91000-0x0000000077A92000-memory.dmp

Filesize
4KB

Download
memory/1200-28-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1200-4-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1200-23-0x0000000002D60000-0x0000000002D66000-memory.dmp

Filesize
24KB

Download
memory/1748-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1748-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1748-13-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download
memory/1748-5-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download
memory/1748-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1776-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1776-7-0x0000000077C40000-0x0000000077C41000-memory.dmp

Filesize
4KB

Download
memory/1776-8-0x0000000077C3F000-0x0000000077C40000-memory.dmp

Filesize
4KB

Download
memory/1776-9-0x0000000077C3F000-0x0000000077C41000-memory.dmp

Filesize
8KB

Download
memory/1776-11-0x0000000077A40000-0x0000000077BE9000-memory.dmp

Filesize
1.7MB

Download
memory/1776-32-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

HTTP Request

HTTP Response

DNS Request

DNS Response

MITRE ATT&CK Enterprise v15

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