tinba | 5a0d0b546c1e8e59b629d86cef710402cc7778c4982a7d3d0d3a7a8aff835742

Analysis

max time kernel
149s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/09/2024, 02:44

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General

Target

5a0d0b546c1e8e59b629d86cef710402cc7778c4982a7d3d0d3a7a8aff835742N.exe
Size

34KB
MD5

7555eb773944d72c1532f152f184fe60
SHA1

e2a1abeb460f099561062fc4acfa0121d1d3c0f7
SHA256

5a0d0b546c1e8e59b629d86cef710402cc7778c4982a7d3d0d3a7a8aff835742
SHA512

0899c410eea3e327bd9a255a6f554480e3c52c776bc8c7c6b7163b6c3ac6ff5d013952453e29338f978637d49eeeb2e52fb511ff0307bf5f3ed45f68dfaffa6c
SSDEEP

768:+p22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:+pYoX58z1uirL98xMWnT0OQ9J2

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

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\CF2EB226 = "C:\\Users\\Admin\\AppData\\Roaming\\CF2EB226\\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/1768-0-0x0000000000400000-0x0000000000417000-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	5a0d0b546c1e8e59b629d86cef710402cc7778c4982a7d3d0d3a7a8aff835742N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3028	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1768 wrote to memory of 3028	1768	5a0d0b546c1e8e59b629d86cef710402cc7778c4982a7d3d0d3a7a8aff835742N.exe	32
PID 1768 wrote to memory of 3028	1768	5a0d0b546c1e8e59b629d86cef710402cc7778c4982a7d3d0d3a7a8aff835742N.exe	32
PID 1768 wrote to memory of 3028	1768	5a0d0b546c1e8e59b629d86cef710402cc7778c4982a7d3d0d3a7a8aff835742N.exe	32
PID 1768 wrote to memory of 3028	1768	5a0d0b546c1e8e59b629d86cef710402cc7778c4982a7d3d0d3a7a8aff835742N.exe	32
PID 1768 wrote to memory of 3028	1768	5a0d0b546c1e8e59b629d86cef710402cc7778c4982a7d3d0d3a7a8aff835742N.exe	32
PID 3028 wrote to memory of 1188	3028	winver.exe	21
PID 3028 wrote to memory of 1112	3028	winver.exe	19
PID 3028 wrote to memory of 1160	3028	winver.exe	20
PID 3028 wrote to memory of 1188	3028	winver.exe	21
PID 3028 wrote to memory of 2008	3028	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

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\5a0d0b546c1e8e59b629d86cef710402cc7778c4982a7d3d0d3a7a8aff835742N.exe
  "C:\Users\Admin\AppData\Local\Temp\5a0d0b546c1e8e59b629d86cef710402cc7778c4982a7d3d0d3a7a8aff835742N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1768
- - 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:3028

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2008

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/1112-26-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1112-27-0x0000000077AD1000-0x0000000077AD2000-memory.dmp

Filesize
4KB

Download
memory/1160-30-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1160-21-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

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

Filesize
24KB

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

Filesize
24KB

Download
memory/1188-10-0x0000000077AD1000-0x0000000077AD2000-memory.dmp

Filesize
4KB

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

Filesize
24KB

Download
memory/1188-23-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

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

Filesize
24KB

Download
memory/1768-5-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/1768-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1768-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1768-13-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/1768-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2008-31-0x0000000077AD1000-0x0000000077AD2000-memory.dmp

Filesize
4KB

Download
memory/2008-32-0x0000000001C60000-0x0000000001C66000-memory.dmp

Filesize
24KB

Download
memory/2008-25-0x0000000001C60000-0x0000000001C66000-memory.dmp

Filesize
24KB

Download
memory/3028-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/3028-7-0x0000000077C80000-0x0000000077C81000-memory.dmp

Filesize
4KB

Download
memory/3028-29-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/3028-8-0x0000000077C7F000-0x0000000077C80000-memory.dmp

Filesize
4KB

Download
memory/3028-9-0x0000000077C7F000-0x0000000077C81000-memory.dmp

Filesize
8KB

Download
memory/3028-11-0x0000000077A80000-0x0000000077C29000-memory.dmp

Filesize
1.7MB

Download
memory/3028-37-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download