tinba | 694decb30226b8e3da044ce0ad963bbeff1af9af4a94c0527a954de6cbd08da6

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
25/01/2025, 21:45

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General

Target

694decb30226b8e3da044ce0ad963bbeff1af9af4a94c0527a954de6cbd08da6.exe
Size

44KB
MD5

0542abbf4c34bbff628ba9d0c3739405
SHA1

01561008ac53c3ce129ea913f8709eb95477acb7
SHA256

694decb30226b8e3da044ce0ad963bbeff1af9af4a94c0527a954de6cbd08da6
SHA512

0f26da01613ab47352bca5db03c12432287295d15fe170c4a9c7887b2f1dbb436d543392c4b5ed23a2881307bd1122c9b8c41982ac92b4f192542634475140e9
SSDEEP

768:Ra+vOyMD5oQ/cXK+dbFg1TGAN2RUqZxbhxEll7j0MLlH:Ra+vM4ld+TR26qZxbhO3IM

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\7A311455 = "C:\\Users\\Admin\\AppData\\Roaming\\7A311455\\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/2728-0-0x0000000000400000-0x000000000041A000-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	694decb30226b8e3da044ce0ad963bbeff1af9af4a94c0527a954de6cbd08da6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2844	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2728 wrote to memory of 2844	2728	694decb30226b8e3da044ce0ad963bbeff1af9af4a94c0527a954de6cbd08da6.exe	31
PID 2728 wrote to memory of 2844	2728	694decb30226b8e3da044ce0ad963bbeff1af9af4a94c0527a954de6cbd08da6.exe	31
PID 2728 wrote to memory of 2844	2728	694decb30226b8e3da044ce0ad963bbeff1af9af4a94c0527a954de6cbd08da6.exe	31
PID 2728 wrote to memory of 2844	2728	694decb30226b8e3da044ce0ad963bbeff1af9af4a94c0527a954de6cbd08da6.exe	31
PID 2728 wrote to memory of 2844	2728	694decb30226b8e3da044ce0ad963bbeff1af9af4a94c0527a954de6cbd08da6.exe	31
PID 2844 wrote to memory of 1204	2844	winver.exe	21
PID 2844 wrote to memory of 1096	2844	winver.exe	19
PID 2844 wrote to memory of 1164	2844	winver.exe	20
PID 2844 wrote to memory of 1204	2844	winver.exe	21
PID 2844 wrote to memory of 1508	2844	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1096

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\694decb30226b8e3da044ce0ad963bbeff1af9af4a94c0527a954de6cbd08da6.exe
  "C:\Users\Admin\AppData\Local\Temp\694decb30226b8e3da044ce0ad963bbeff1af9af4a94c0527a954de6cbd08da6.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2728
- - 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:2844

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1508

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/1096-26-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/1096-27-0x0000000077701000-0x0000000077702000-memory.dmp

Filesize
4KB

Download
memory/1164-30-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1164-21-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1204-4-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/1204-10-0x0000000077701000-0x0000000077702000-memory.dmp

Filesize
4KB

Download
memory/1204-2-0x0000000002230000-0x0000000002236000-memory.dmp

Filesize
24KB

Download
memory/1204-31-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/1204-23-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/1508-25-0x0000000001F60000-0x0000000001F66000-memory.dmp

Filesize
24KB

Download
memory/1508-28-0x0000000001F60000-0x0000000001F66000-memory.dmp

Filesize
24KB

Download
memory/1508-29-0x0000000077701000-0x0000000077702000-memory.dmp

Filesize
4KB

Download
memory/2728-13-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2728-14-0x0000000002000000-0x0000000002A00000-memory.dmp

Filesize
10.0MB

Download
memory/2728-0-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/2728-5-0x0000000002000000-0x0000000002A00000-memory.dmp

Filesize
10.0MB

Download
memory/2728-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2844-6-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2844-8-0x00000000778AF000-0x00000000778B0000-memory.dmp

Filesize
4KB

Download
memory/2844-9-0x00000000778AF000-0x00000000778B1000-memory.dmp

Filesize
8KB

Download
memory/2844-11-0x00000000776B0000-0x0000000077859000-memory.dmp

Filesize
1.7MB

Download
memory/2844-7-0x00000000778B0000-0x00000000778B1000-memory.dmp

Filesize
4KB

Download
memory/2844-32-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2844-37-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download