tinba | 1df5981e95ac261d6a4b29b93bcd317277d7766a525ea95975e6efc6e9862794

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
05-12-2024 06:55

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General

Target

1df5981e95ac261d6a4b29b93bcd317277d7766a525ea95975e6efc6e9862794N.exe
Size

110KB
MD5

0616b40e7f50370482eb120f618d88b0
SHA1

5dfbc70cfd295d6efaec215b0a67eff0f93a84e9
SHA256

1df5981e95ac261d6a4b29b93bcd317277d7766a525ea95975e6efc6e9862794
SHA512

81d4fbdb134d38f14e83c24db4a547ff21c04d784517d75cee4097d52b7666b194f0b3f6a20d9ce66397e23c838bfacf5a708130c6722971470121cadd22abf5
SSDEEP

1536:GiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:GiyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\EA8A4D75 = "C:\\Users\\Admin\\AppData\\Roaming\\EA8A4D75\\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/772-0-0x0000000000400000-0x000000000041E000-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	1df5981e95ac261d6a4b29b93bcd317277d7766a525ea95975e6efc6e9862794N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe
2480	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2480	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 772 wrote to memory of 2480	772	1df5981e95ac261d6a4b29b93bcd317277d7766a525ea95975e6efc6e9862794N.exe	31
PID 772 wrote to memory of 2480	772	1df5981e95ac261d6a4b29b93bcd317277d7766a525ea95975e6efc6e9862794N.exe	31
PID 772 wrote to memory of 2480	772	1df5981e95ac261d6a4b29b93bcd317277d7766a525ea95975e6efc6e9862794N.exe	31
PID 772 wrote to memory of 2480	772	1df5981e95ac261d6a4b29b93bcd317277d7766a525ea95975e6efc6e9862794N.exe	31
PID 772 wrote to memory of 2480	772	1df5981e95ac261d6a4b29b93bcd317277d7766a525ea95975e6efc6e9862794N.exe	31
PID 2480 wrote to memory of 1192	2480	winver.exe	21
PID 2480 wrote to memory of 1100	2480	winver.exe	19
PID 2480 wrote to memory of 1156	2480	winver.exe	20
PID 2480 wrote to memory of 1192	2480	winver.exe	21
PID 2480 wrote to memory of 1388	2480	winver.exe	23

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:1192
- C:\Users\Admin\AppData\Local\Temp\1df5981e95ac261d6a4b29b93bcd317277d7766a525ea95975e6efc6e9862794N.exe
  "C:\Users\Admin\AppData\Local\Temp\1df5981e95ac261d6a4b29b93bcd317277d7766a525ea95975e6efc6e9862794N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:772
- - 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:2480

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1388

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/772-5-0x0000000001B60000-0x0000000002560000-memory.dmp

Filesize
10.0MB

Download
memory/772-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/772-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/772-13-0x0000000001B60000-0x0000000002560000-memory.dmp

Filesize
10.0MB

Download
memory/772-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1100-25-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1100-26-0x00000000779A1000-0x00000000779A2000-memory.dmp

Filesize
4KB

Download
memory/1156-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1156-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1192-2-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1192-22-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/1192-10-0x00000000779A1000-0x00000000779A2000-memory.dmp

Filesize
4KB

Download
memory/1192-4-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002DD0000-0x0000000002DD6000-memory.dmp

Filesize
24KB

Download
memory/1192-27-0x0000000002A40000-0x0000000002A46000-memory.dmp

Filesize
24KB

Download
memory/1388-24-0x0000000001CD0000-0x0000000001CD6000-memory.dmp

Filesize
24KB

Download
memory/1388-29-0x0000000001CD0000-0x0000000001CD6000-memory.dmp

Filesize
24KB

Download
memory/1388-30-0x00000000779A1000-0x00000000779A2000-memory.dmp

Filesize
4KB

Download
memory/2480-7-0x0000000077B50000-0x0000000077B51000-memory.dmp

Filesize
4KB

Download
memory/2480-9-0x0000000077B4F000-0x0000000077B51000-memory.dmp

Filesize
8KB

Download
memory/2480-11-0x0000000077950000-0x0000000077AF9000-memory.dmp

Filesize
1.7MB

Download
memory/2480-8-0x0000000077B4F000-0x0000000077B50000-memory.dmp

Filesize
4KB

Download
memory/2480-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2480-31-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download