tinba | eb5bda5dbf9837c26ecf2788dfe72fc1f7a600bfdc18469cb35b49d3ac235c2c

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
11-12-2024 17:07

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General

Target

eb5bda5dbf9837c26ecf2788dfe72fc1f7a600bfdc18469cb35b49d3ac235c2cN.exe
Size

45KB
MD5

f123a2efa3e2ba114c86758faee43820
SHA1

8bc694a204dccbd18c2ce16fffe2d4595fe68ab7
SHA256

eb5bda5dbf9837c26ecf2788dfe72fc1f7a600bfdc18469cb35b49d3ac235c2c
SHA512

932b8a59000edd3462d93cda352925157c653fef684040984f2a7b9eab177fa35f9677db2b63856274625679ec131485587dd96eb03e500a01e0cb14c09557a3
SSDEEP

768:2hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2H:asWE9N5dFu53dsniQaB/xZ14n7zIF+qT

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\01A6B15C = "C:\\Users\\Admin\\AppData\\Roaming\\01A6B15C\\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/2064-0-0x0000000000400000-0x000000000041D000-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	eb5bda5dbf9837c26ecf2788dfe72fc1f7a600bfdc18469cb35b49d3ac235c2cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe
1368	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1368	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 1368	2064	eb5bda5dbf9837c26ecf2788dfe72fc1f7a600bfdc18469cb35b49d3ac235c2cN.exe	31
PID 2064 wrote to memory of 1368	2064	eb5bda5dbf9837c26ecf2788dfe72fc1f7a600bfdc18469cb35b49d3ac235c2cN.exe	31
PID 2064 wrote to memory of 1368	2064	eb5bda5dbf9837c26ecf2788dfe72fc1f7a600bfdc18469cb35b49d3ac235c2cN.exe	31
PID 2064 wrote to memory of 1368	2064	eb5bda5dbf9837c26ecf2788dfe72fc1f7a600bfdc18469cb35b49d3ac235c2cN.exe	31
PID 2064 wrote to memory of 1368	2064	eb5bda5dbf9837c26ecf2788dfe72fc1f7a600bfdc18469cb35b49d3ac235c2cN.exe	31
PID 1368 wrote to memory of 1188	1368	winver.exe	21
PID 1368 wrote to memory of 1080	1368	winver.exe	18
PID 1368 wrote to memory of 1160	1368	winver.exe	20
PID 1368 wrote to memory of 1188	1368	winver.exe	21
PID 1368 wrote to memory of 552	1368	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1080

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1188
- C:\Users\Admin\AppData\Local\Temp\eb5bda5dbf9837c26ecf2788dfe72fc1f7a600bfdc18469cb35b49d3ac235c2cN.exe
  "C:\Users\Admin\AppData\Local\Temp\eb5bda5dbf9837c26ecf2788dfe72fc1f7a600bfdc18469cb35b49d3ac235c2cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2064
- - 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:1368

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:552

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/552-24-0x0000000002240000-0x0000000002246000-memory.dmp

Filesize
24KB

Download
memory/552-29-0x0000000002240000-0x0000000002246000-memory.dmp

Filesize
24KB

Download
memory/552-30-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1080-25-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1080-26-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1160-27-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1160-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1188-10-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1188-28-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1188-22-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1188-4-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1188-2-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1368-7-0x0000000077240000-0x0000000077241000-memory.dmp

Filesize
4KB

Download
memory/1368-6-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/1368-31-0x00000000000C0000-0x00000000000C6000-memory.dmp

Filesize
24KB

Download
memory/1368-8-0x000000007723F000-0x0000000077240000-memory.dmp

Filesize
4KB

Download
memory/1368-9-0x000000007723F000-0x0000000077241000-memory.dmp

Filesize
8KB

Download
memory/1368-11-0x0000000077040000-0x00000000771E9000-memory.dmp

Filesize
1.7MB

Download
memory/2064-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2064-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2064-13-0x0000000001D40000-0x0000000002740000-memory.dmp

Filesize
10.0MB

Download
memory/2064-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2064-5-0x0000000001D40000-0x0000000002740000-memory.dmp

Filesize
10.0MB

Download