tinba | afa297a303a0b6edf27b374d64df1598cf460006db0e1fd452b5da275debd6a1

Analysis

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

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
16-01-2025 13:31

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General

Target

afa297a303a0b6edf27b374d64df1598cf460006db0e1fd452b5da275debd6a1N.exe
Size

110KB
MD5

d5301a495bfe149b5cc5eb814232d6d0
SHA1

434a9af135960ecc9f84b2f72f3b99c1675d0e28
SHA256

afa297a303a0b6edf27b374d64df1598cf460006db0e1fd452b5da275debd6a1
SHA512

f1f24029c8161132487a58b449c42619e4d5498e72501bbfe5c1ea52f31f6ae05327620f08b39d4900d96476b92ab5006d1bf1b219120da32c24ebc2c2f3c214
SSDEEP

1536:oiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:oiyvRmDLs/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\122591DA = "C:\\Users\\Admin\\AppData\\Roaming\\122591DA\\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/2696-0-0x0000000000400000-0x000000000041E000-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	afa297a303a0b6edf27b374d64df1598cf460006db0e1fd452b5da275debd6a1N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe
2516	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2516	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 2516	2696	afa297a303a0b6edf27b374d64df1598cf460006db0e1fd452b5da275debd6a1N.exe	31
PID 2696 wrote to memory of 2516	2696	afa297a303a0b6edf27b374d64df1598cf460006db0e1fd452b5da275debd6a1N.exe	31
PID 2696 wrote to memory of 2516	2696	afa297a303a0b6edf27b374d64df1598cf460006db0e1fd452b5da275debd6a1N.exe	31
PID 2696 wrote to memory of 2516	2696	afa297a303a0b6edf27b374d64df1598cf460006db0e1fd452b5da275debd6a1N.exe	31
PID 2696 wrote to memory of 2516	2696	afa297a303a0b6edf27b374d64df1598cf460006db0e1fd452b5da275debd6a1N.exe	31
PID 2516 wrote to memory of 1212	2516	winver.exe	21
PID 2516 wrote to memory of 1088	2516	winver.exe	19
PID 2516 wrote to memory of 1168	2516	winver.exe	20
PID 2516 wrote to memory of 1212	2516	winver.exe	21
PID 2516 wrote to memory of 1444	2516	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\afa297a303a0b6edf27b374d64df1598cf460006db0e1fd452b5da275debd6a1N.exe
  "C:\Users\Admin\AppData\Local\Temp\afa297a303a0b6edf27b374d64df1598cf460006db0e1fd452b5da275debd6a1N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2696
- - 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:2516

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

Filesize
24KB

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

Filesize
4KB

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

Filesize
24KB

Download
memory/1168-30-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

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

Filesize
24KB

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

Filesize
4KB

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

Filesize
24KB

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

Filesize
24KB

Download
memory/1212-27-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

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

Filesize
24KB

Download
memory/1444-28-0x0000000001EF0000-0x0000000001EF6000-memory.dmp

Filesize
24KB

Download
memory/1444-29-0x00000000774E1000-0x00000000774E2000-memory.dmp

Filesize
4KB

Download
memory/1444-24-0x0000000001EF0000-0x0000000001EF6000-memory.dmp

Filesize
24KB

Download
memory/2516-11-0x0000000077490000-0x0000000077639000-memory.dmp

Filesize
1.7MB

Download
memory/2516-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2516-7-0x0000000077690000-0x0000000077691000-memory.dmp

Filesize
4KB

Download
memory/2516-8-0x000000007768F000-0x0000000077690000-memory.dmp

Filesize
4KB

Download
memory/2516-9-0x000000007768F000-0x0000000077691000-memory.dmp

Filesize
8KB

Download
memory/2516-31-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2696-13-0x0000000001E40000-0x0000000002840000-memory.dmp

Filesize
10.0MB

Download
memory/2696-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2696-5-0x0000000001E40000-0x0000000002840000-memory.dmp

Filesize
10.0MB

Download
memory/2696-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2696-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download