tinba | 2b6f06f66e8e5b1ddef23e7d959d9f86b333377443103fb58c8e786a48079fbf

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
13-01-2025 01:57

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General

Target

2b6f06f66e8e5b1ddef23e7d959d9f86b333377443103fb58c8e786a48079fbf.exe
Size

110KB
MD5

e374b6aaac019840e1c696f7c64b3049
SHA1

7f597eb19ca6003632cd4aaafb016ec34554bb72
SHA256

2b6f06f66e8e5b1ddef23e7d959d9f86b333377443103fb58c8e786a48079fbf
SHA512

a475e6f04711c8e919806ad293ec6805c63a5d91c567a80de5bee1a037d531c68a29fa7f38e6913440e49d16f75a79e1e79789be766ea6a7df83816004a34303
SSDEEP

1536:2iLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:2iyvRmDLs/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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\794BE82E = "C:\\Users\\Admin\\AppData\\Roaming\\794BE82E\\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/1920-0-0x0000000000400000-0x000000000041E000-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	2b6f06f66e8e5b1ddef23e7d959d9f86b333377443103fb58c8e786a48079fbf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe
2412	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2412	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 2412	1920	2b6f06f66e8e5b1ddef23e7d959d9f86b333377443103fb58c8e786a48079fbf.exe	31
PID 1920 wrote to memory of 2412	1920	2b6f06f66e8e5b1ddef23e7d959d9f86b333377443103fb58c8e786a48079fbf.exe	31
PID 1920 wrote to memory of 2412	1920	2b6f06f66e8e5b1ddef23e7d959d9f86b333377443103fb58c8e786a48079fbf.exe	31
PID 1920 wrote to memory of 2412	1920	2b6f06f66e8e5b1ddef23e7d959d9f86b333377443103fb58c8e786a48079fbf.exe	31
PID 1920 wrote to memory of 2412	1920	2b6f06f66e8e5b1ddef23e7d959d9f86b333377443103fb58c8e786a48079fbf.exe	31
PID 2412 wrote to memory of 1212	2412	winver.exe	21
PID 2412 wrote to memory of 1088	2412	winver.exe	19
PID 2412 wrote to memory of 1168	2412	winver.exe	20
PID 2412 wrote to memory of 1212	2412	winver.exe	21
PID 2412 wrote to memory of 1444	2412	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1088

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\2b6f06f66e8e5b1ddef23e7d959d9f86b333377443103fb58c8e786a48079fbf.exe
  "C:\Users\Admin\AppData\Local\Temp\2b6f06f66e8e5b1ddef23e7d959d9f86b333377443103fb58c8e786a48079fbf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1920
- - 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:2412

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1444

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/1088-26-0x00000000774E1000-0x00000000774E2000-memory.dmp

Filesize
4KB

Download
memory/1088-25-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1168-27-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-19-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1212-4-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1212-28-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/1212-10-0x00000000774E1000-0x00000000774E2000-memory.dmp

Filesize
4KB

Download
memory/1212-2-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002AC0000-0x0000000002AC6000-memory.dmp

Filesize
24KB

Download
memory/1212-21-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/1444-30-0x00000000774E1000-0x00000000774E2000-memory.dmp

Filesize
4KB

Download
memory/1444-24-0x0000000001D90000-0x0000000001D96000-memory.dmp

Filesize
24KB

Download
memory/1444-29-0x0000000001D90000-0x0000000001D96000-memory.dmp

Filesize
24KB

Download
memory/1920-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1920-13-0x0000000001D40000-0x0000000002740000-memory.dmp

Filesize
10.0MB

Download
memory/1920-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1920-5-0x0000000001D40000-0x0000000002740000-memory.dmp

Filesize
10.0MB

Download
memory/1920-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2412-6-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2412-7-0x0000000077690000-0x0000000077691000-memory.dmp

Filesize
4KB

Download
memory/2412-8-0x000000007768F000-0x0000000077690000-memory.dmp

Filesize
4KB

Download
memory/2412-9-0x000000007768F000-0x0000000077691000-memory.dmp

Filesize
8KB

Download
memory/2412-11-0x0000000077490000-0x0000000077639000-memory.dmp

Filesize
1.7MB

Download
memory/2412-31-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download