tinba | 139260cd786f3d6731abbfda2184ec893adb5b8eaa04dbc45e711df24b9cc996

Analysis

max time kernel
120s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
12-02-2025 14:04

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General

Target

139260cd786f3d6731abbfda2184ec893adb5b8eaa04dbc45e711df24b9cc996.exe
Size

52KB
MD5

1771af709376d7aa5bb37b8803f175f9
SHA1

4e0954080b36818b2ed612022e7795ff159b20f7
SHA256

139260cd786f3d6731abbfda2184ec893adb5b8eaa04dbc45e711df24b9cc996
SHA512

0cc4f82629e41d06f651d0caf06d0238dfe3ae6dff821f583a8f0681750c396d091ebdfdfd95887469bb5638a01810ede2afd01208cb55b0158af73420806e01
SSDEEP

768:JvC6RMtZNZUXeb4fXDR2JVDDISp8m7DM3pIg4LqTTUUnGg7O1/l9Jq/:lmZNZUXeQXFhS6sM3prUSGg7O1d9Ja

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\3FE721EF = "C:\\Users\\Admin\\AppData\\Roaming\\3FE721EF\\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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	139260cd786f3d6731abbfda2184ec893adb5b8eaa04dbc45e711df24b9cc996.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe
2616	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2616	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2616	2324	139260cd786f3d6731abbfda2184ec893adb5b8eaa04dbc45e711df24b9cc996.exe	31
PID 2324 wrote to memory of 2616	2324	139260cd786f3d6731abbfda2184ec893adb5b8eaa04dbc45e711df24b9cc996.exe	31
PID 2324 wrote to memory of 2616	2324	139260cd786f3d6731abbfda2184ec893adb5b8eaa04dbc45e711df24b9cc996.exe	31
PID 2324 wrote to memory of 2616	2324	139260cd786f3d6731abbfda2184ec893adb5b8eaa04dbc45e711df24b9cc996.exe	31
PID 2324 wrote to memory of 2616	2324	139260cd786f3d6731abbfda2184ec893adb5b8eaa04dbc45e711df24b9cc996.exe	31
PID 2616 wrote to memory of 1272	2616	winver.exe	21
PID 2616 wrote to memory of 1132	2616	winver.exe	19
PID 2616 wrote to memory of 1228	2616	winver.exe	20
PID 2616 wrote to memory of 1272	2616	winver.exe	21
PID 2616 wrote to memory of 1580	2616	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1132

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1228

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1272
- C:\Users\Admin\AppData\Local\Temp\139260cd786f3d6731abbfda2184ec893adb5b8eaa04dbc45e711df24b9cc996.exe
  "C:\Users\Admin\AppData\Local\Temp\139260cd786f3d6731abbfda2184ec893adb5b8eaa04dbc45e711df24b9cc996.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2324
- - 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:2616

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1580

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/1132-25-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/1132-26-0x00000000777F1000-0x00000000777F2000-memory.dmp

Filesize
4KB

Download
memory/1228-30-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1228-20-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1228-28-0x00000000777F1000-0x00000000777F2000-memory.dmp

Filesize
4KB

Download
memory/1272-27-0x00000000029C0000-0x00000000029C6000-memory.dmp

Filesize
24KB

Download
memory/1272-3-0x0000000002A10000-0x0000000002A16000-memory.dmp

Filesize
24KB

Download
memory/1272-22-0x00000000029C0000-0x00000000029C6000-memory.dmp

Filesize
24KB

Download
memory/1272-2-0x0000000002A10000-0x0000000002A16000-memory.dmp

Filesize
24KB

Download
memory/1272-1-0x0000000002A10000-0x0000000002A16000-memory.dmp

Filesize
24KB

Download
memory/1272-9-0x00000000777F1000-0x00000000777F2000-memory.dmp

Filesize
4KB

Download
memory/1580-29-0x00000000777F1000-0x00000000777F2000-memory.dmp

Filesize
4KB

Download
memory/1580-24-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/1580-32-0x00000000777F1000-0x00000000777F2000-memory.dmp

Filesize
4KB

Download
memory/1580-31-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2324-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2324-4-0x0000000001BF0000-0x00000000025F0000-memory.dmp

Filesize
10.0MB

Download
memory/2324-12-0x0000000001BF0000-0x00000000025F0000-memory.dmp

Filesize
10.0MB

Download
memory/2324-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2616-10-0x00000000777A0000-0x0000000077949000-memory.dmp

Filesize
1.7MB

Download
memory/2616-5-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download
memory/2616-6-0x00000000779A0000-0x00000000779A1000-memory.dmp

Filesize
4KB

Download
memory/2616-7-0x000000007799F000-0x00000000779A0000-memory.dmp

Filesize
4KB

Download
memory/2616-8-0x000000007799F000-0x00000000779A1000-memory.dmp

Filesize
8KB

Download
memory/2616-33-0x0000000000090000-0x0000000000096000-memory.dmp

Filesize
24KB

Download