tinba | 3bce741fe995cde3922fd0a943bca3cf60daca02e3695cabbb077a194e0ab91b

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 07:36

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General

Target

3bce741fe995cde3922fd0a943bca3cf60daca02e3695cabbb077a194e0ab91b.exe
Size

160KB
MD5

bc98e833ad9882d711f85386dcb5d7fc
SHA1

a1ae1046e7a74fbe6d43c2218510c3593118a358
SHA256

3bce741fe995cde3922fd0a943bca3cf60daca02e3695cabbb077a194e0ab91b
SHA512

a24fae5d3b11f2b8486fc792acf1c578446dcdac20fa80bc5f1b329d48eb33e098a03b4be44d98047fce30f1c70f431f1e499a4fa99d911f77dd448749548aa5
SSDEEP

1536:OEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xphM:FY+4MiIkLZJNAQ9J6vu

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\D71FD097 = "C:\\Users\\Admin\\AppData\\Roaming\\D71FD097\\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/2528-0-0x0000000000400000-0x0000000000428000-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	3bce741fe995cde3922fd0a943bca3cf60daca02e3695cabbb077a194e0ab91b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe
1928	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1928	winver.exe
1164	Explorer.EXE
1164	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1164	Explorer.EXE
1164	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 1928	2528	3bce741fe995cde3922fd0a943bca3cf60daca02e3695cabbb077a194e0ab91b.exe	31
PID 2528 wrote to memory of 1928	2528	3bce741fe995cde3922fd0a943bca3cf60daca02e3695cabbb077a194e0ab91b.exe	31
PID 2528 wrote to memory of 1928	2528	3bce741fe995cde3922fd0a943bca3cf60daca02e3695cabbb077a194e0ab91b.exe	31
PID 2528 wrote to memory of 1928	2528	3bce741fe995cde3922fd0a943bca3cf60daca02e3695cabbb077a194e0ab91b.exe	31
PID 2528 wrote to memory of 1928	2528	3bce741fe995cde3922fd0a943bca3cf60daca02e3695cabbb077a194e0ab91b.exe	31
PID 1928 wrote to memory of 1164	1928	winver.exe	21
PID 1928 wrote to memory of 1048	1928	winver.exe	18
PID 1928 wrote to memory of 1124	1928	winver.exe	20
PID 1928 wrote to memory of 1164	1928	winver.exe	21
PID 1928 wrote to memory of 1948	1928	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1048

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1124

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1164
- C:\Users\Admin\AppData\Local\Temp\3bce741fe995cde3922fd0a943bca3cf60daca02e3695cabbb077a194e0ab91b.exe
  "C:\Users\Admin\AppData\Local\Temp\3bce741fe995cde3922fd0a943bca3cf60daca02e3695cabbb077a194e0ab91b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2528
- - 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:1928

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1948

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/1048-26-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1048-25-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1124-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1124-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1164-27-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1164-10-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1164-4-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/1164-2-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/1164-22-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1164-3-0x0000000002EA0000-0x0000000002EA6000-memory.dmp

Filesize
24KB

Download
memory/1928-11-0x0000000077040000-0x00000000771E9000-memory.dmp

Filesize
1.7MB

Download
memory/1928-9-0x000000007723F000-0x0000000077241000-memory.dmp

Filesize
8KB

Download
memory/1928-8-0x000000007723F000-0x0000000077240000-memory.dmp

Filesize
4KB

Download
memory/1928-7-0x0000000077240000-0x0000000077241000-memory.dmp

Filesize
4KB

Download
memory/1928-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1928-29-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1948-31-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1948-24-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

Filesize
24KB

Download
memory/1948-32-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1948-30-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

Filesize
24KB

Download
memory/1948-35-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

Filesize
24KB

Download
memory/2528-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2528-13-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/2528-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2528-5-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/2528-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download