tinba | a4e932886a35c13a51e58dca93333ae433dd3c6c12448a584f4874ce796a681e

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-12-2024 06:32

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General

Target

a4e932886a35c13a51e58dca93333ae433dd3c6c12448a584f4874ce796a681eN.exe
Size

52KB
MD5

82c236a339fe6cd32f01aa2c104fa7f0
SHA1

6bbf2649df17bc922c579d5aa5903cd9cd6456ae
SHA256

a4e932886a35c13a51e58dca93333ae433dd3c6c12448a584f4874ce796a681e
SHA512

c537b28b93710de8155086f32e61b0b0a458609ca15de2286d337b4f62fb3317eee729e895976be4acbc279bba500e44209684490f5696a803b1afecc3ae5b75
SSDEEP

768:6vC6RMtZNZUXeb4fXDR2JVDDISp8m7DM3pIg4LqTTUUnGg7O1/l9Jq/:KmZNZUXeQXFhS6sM3prUSGg7O1d9Ja

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\B0988BBF = "C:\\Users\\Admin\\AppData\\Roaming\\B0988BBF\\bin.exe"	winver.exe

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	a4e932886a35c13a51e58dca93333ae433dd3c6c12448a584f4874ce796a681eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe
2732	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2732	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2968 wrote to memory of 2732	2968	a4e932886a35c13a51e58dca93333ae433dd3c6c12448a584f4874ce796a681eN.exe	31
PID 2968 wrote to memory of 2732	2968	a4e932886a35c13a51e58dca93333ae433dd3c6c12448a584f4874ce796a681eN.exe	31
PID 2968 wrote to memory of 2732	2968	a4e932886a35c13a51e58dca93333ae433dd3c6c12448a584f4874ce796a681eN.exe	31
PID 2968 wrote to memory of 2732	2968	a4e932886a35c13a51e58dca93333ae433dd3c6c12448a584f4874ce796a681eN.exe	31
PID 2968 wrote to memory of 2732	2968	a4e932886a35c13a51e58dca93333ae433dd3c6c12448a584f4874ce796a681eN.exe	31
PID 2732 wrote to memory of 1208	2732	winver.exe	21
PID 2732 wrote to memory of 1120	2732	winver.exe	19
PID 2732 wrote to memory of 1180	2732	winver.exe	20
PID 2732 wrote to memory of 1208	2732	winver.exe	21
PID 2732 wrote to memory of 1696	2732	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Users\Admin\AppData\Local\Temp\a4e932886a35c13a51e58dca93333ae433dd3c6c12448a584f4874ce796a681eN.exe
  "C:\Users\Admin\AppData\Local\Temp\a4e932886a35c13a51e58dca93333ae433dd3c6c12448a584f4874ce796a681eN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2968
- - 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:2732

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1696

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/1120-27-0x0000000076F11000-0x0000000076F12000-memory.dmp

Filesize
4KB

Download
memory/1120-25-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1180-19-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1180-30-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1208-1-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1208-9-0x0000000076F11000-0x0000000076F12000-memory.dmp

Filesize
4KB

Download
memory/1208-21-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1208-2-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1208-29-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1208-3-0x0000000002510000-0x0000000002516000-memory.dmp

Filesize
24KB

Download
memory/1696-32-0x0000000076F11000-0x0000000076F12000-memory.dmp

Filesize
4KB

Download
memory/1696-35-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/1696-24-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/1696-26-0x0000000076F11000-0x0000000076F12000-memory.dmp

Filesize
4KB

Download
memory/1696-31-0x0000000076F11000-0x0000000076F12000-memory.dmp

Filesize
4KB

Download
memory/2732-10-0x0000000076EC0000-0x0000000077069000-memory.dmp

Filesize
1.7MB

Download
memory/2732-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2732-6-0x00000000770C0000-0x00000000770C1000-memory.dmp

Filesize
4KB

Download
memory/2732-7-0x00000000770BF000-0x00000000770C0000-memory.dmp

Filesize
4KB

Download
memory/2732-8-0x00000000770BF000-0x00000000770C1000-memory.dmp

Filesize
8KB

Download
memory/2732-5-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2968-12-0x0000000001D40000-0x0000000002740000-memory.dmp

Filesize
10.0MB

Download
memory/2968-11-0x0000000000400000-0x0000000000412000-memory.dmp

Filesize
72KB

Download
memory/2968-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2968-4-0x0000000001D40000-0x0000000002740000-memory.dmp

Filesize
10.0MB

Download