tinba | c59db04215b9b47bab836406c4a909f996b9016a73fbe19bc18f7d44b022da73

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-12-2024 06:08

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General

Target

c59db04215b9b47bab836406c4a909f996b9016a73fbe19bc18f7d44b022da73.exe
Size

45KB
MD5

4f31f1424fd630fd2c2435cb7882ecd3
SHA1

3fe62fdf7439d07e88c8a05169190cf7bdb8440f
SHA256

c59db04215b9b47bab836406c4a909f996b9016a73fbe19bc18f7d44b022da73
SHA512

dd27908d4626eb0dc2133c0ca6a020383f9199e3cde95ad4c40c03249d81813a6dfee628e81e8f4be74168965773f54187a9738e2b8710f4158fcfc0272da4da
SSDEEP

768:OhP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2P:CsWE9N5dFu53dsniQaB/xZ14n7zIF+q7

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\59F3CC68 = "C:\\Users\\Admin\\AppData\\Roaming\\59F3CC68\\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/2956-0-0x0000000000400000-0x000000000041D000-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	c59db04215b9b47bab836406c4a909f996b9016a73fbe19bc18f7d44b022da73.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe
3060	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3060	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 3060	2956	c59db04215b9b47bab836406c4a909f996b9016a73fbe19bc18f7d44b022da73.exe	32
PID 2956 wrote to memory of 3060	2956	c59db04215b9b47bab836406c4a909f996b9016a73fbe19bc18f7d44b022da73.exe	32
PID 2956 wrote to memory of 3060	2956	c59db04215b9b47bab836406c4a909f996b9016a73fbe19bc18f7d44b022da73.exe	32
PID 2956 wrote to memory of 3060	2956	c59db04215b9b47bab836406c4a909f996b9016a73fbe19bc18f7d44b022da73.exe	32
PID 2956 wrote to memory of 3060	2956	c59db04215b9b47bab836406c4a909f996b9016a73fbe19bc18f7d44b022da73.exe	32
PID 3060 wrote to memory of 1232	3060	winver.exe	21
PID 3060 wrote to memory of 1112	3060	winver.exe	19
PID 3060 wrote to memory of 1164	3060	winver.exe	20
PID 3060 wrote to memory of 1232	3060	winver.exe	21
PID 3060 wrote to memory of 316	3060	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:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1232
- C:\Users\Admin\AppData\Local\Temp\c59db04215b9b47bab836406c4a909f996b9016a73fbe19bc18f7d44b022da73.exe
  "C:\Users\Admin\AppData\Local\Temp\c59db04215b9b47bab836406c4a909f996b9016a73fbe19bc18f7d44b022da73.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2956
- - 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:3060

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:316

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/316-31-0x0000000001DE0000-0x0000000001DE6000-memory.dmp

Filesize
24KB

Download
memory/316-32-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/1112-22-0x0000000000260000-0x0000000000266000-memory.dmp

Filesize
24KB

Download
memory/1112-23-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/1164-26-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1164-19-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/1164-25-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/1232-10-0x0000000077801000-0x0000000077802000-memory.dmp

Filesize
4KB

Download
memory/1232-24-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1232-4-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1232-3-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1232-21-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1232-2-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/2956-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2956-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2956-13-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2956-5-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2956-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3060-9-0x00000000779AF000-0x00000000779B1000-memory.dmp

Filesize
8KB

Download
memory/3060-27-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/3060-8-0x00000000779AF000-0x00000000779B0000-memory.dmp

Filesize
4KB

Download
memory/3060-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/3060-7-0x00000000779B0000-0x00000000779B1000-memory.dmp

Filesize
4KB

Download
memory/3060-11-0x00000000777B0000-0x0000000077959000-memory.dmp

Filesize
1.7MB

Download