tinba | 9284df2cf961148490143d3f943fe725bc8fb0cb16f82beff2fe953fa83f1763

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 18:32

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General

Target

9284df2cf961148490143d3f943fe725bc8fb0cb16f82beff2fe953fa83f1763.exe
Size

88KB
MD5

513a448840be17be50f15bf614ce7873
SHA1

a77f4bb879af945ff8098d0ea1a5b008f7b04d92
SHA256

9284df2cf961148490143d3f943fe725bc8fb0cb16f82beff2fe953fa83f1763
SHA512

0d93576daa4f5564956b5ba7f99392372e6a2b39309851486b5bf5673b6664ccae18e0edc77aa6801d20f1488d2fabb2ab764f8272b5e12c93d3ba100038752c
SSDEEP

1536:Q5nfmIpxDWbUfd3aOPmxxEhvgCooXqRQqjh+rmKVsNI:Q5fvp12UFKcD/6jwqWsNI

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\109E84C2 = "C:\\Users\\Admin\\AppData\\Roaming\\109E84C2\\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	9284df2cf961148490143d3f943fe725bc8fb0cb16f82beff2fe953fa83f1763.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe
2660	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2660	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 2660	1960	9284df2cf961148490143d3f943fe725bc8fb0cb16f82beff2fe953fa83f1763.exe	31
PID 1960 wrote to memory of 2660	1960	9284df2cf961148490143d3f943fe725bc8fb0cb16f82beff2fe953fa83f1763.exe	31
PID 1960 wrote to memory of 2660	1960	9284df2cf961148490143d3f943fe725bc8fb0cb16f82beff2fe953fa83f1763.exe	31
PID 1960 wrote to memory of 2660	1960	9284df2cf961148490143d3f943fe725bc8fb0cb16f82beff2fe953fa83f1763.exe	31
PID 1960 wrote to memory of 2660	1960	9284df2cf961148490143d3f943fe725bc8fb0cb16f82beff2fe953fa83f1763.exe	31
PID 2660 wrote to memory of 1232	2660	winver.exe	21
PID 2660 wrote to memory of 1116	2660	winver.exe	19
PID 2660 wrote to memory of 1176	2660	winver.exe	20
PID 2660 wrote to memory of 1232	2660	winver.exe	21
PID 2660 wrote to memory of 872	2660	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1232
- C:\Users\Admin\AppData\Local\Temp\9284df2cf961148490143d3f943fe725bc8fb0cb16f82beff2fe953fa83f1763.exe
  "C:\Users\Admin\AppData\Local\Temp\9284df2cf961148490143d3f943fe725bc8fb0cb16f82beff2fe953fa83f1763.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1960
- - 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:2660

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:872

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/872-22-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download
memory/872-27-0x0000000001E80000-0x0000000001E86000-memory.dmp

Filesize
24KB

Download
memory/872-28-0x0000000077581000-0x0000000077582000-memory.dmp

Filesize
4KB

Download
memory/1116-23-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1116-24-0x0000000077581000-0x0000000077582000-memory.dmp

Filesize
4KB

Download
memory/1176-18-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1176-25-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1232-1-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1232-9-0x0000000077581000-0x0000000077582000-memory.dmp

Filesize
4KB

Download
memory/1232-2-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1232-26-0x0000000002640000-0x0000000002646000-memory.dmp

Filesize
24KB

Download
memory/1232-3-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1232-20-0x0000000002640000-0x0000000002646000-memory.dmp

Filesize
24KB

Download
memory/1960-4-0x0000000001B60000-0x0000000002560000-memory.dmp

Filesize
10.0MB

Download
memory/1960-12-0x0000000001B60000-0x0000000002560000-memory.dmp

Filesize
10.0MB

Download
memory/1960-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1960-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2660-10-0x0000000077530000-0x00000000776D9000-memory.dmp

Filesize
1.7MB

Download
memory/2660-5-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2660-6-0x0000000077730000-0x0000000077731000-memory.dmp

Filesize
4KB

Download
memory/2660-7-0x000000007772F000-0x0000000077730000-memory.dmp

Filesize
4KB

Download
memory/2660-8-0x000000007772F000-0x0000000077731000-memory.dmp

Filesize
8KB

Download
memory/2660-29-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download