tinba | 7e200ff586f0396ef01e9f527c1d32908fd56150e6886f5b7927c1cf382d643e

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
11/11/2024, 13:13

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General

Target

8449018f15ad45b48d46f4184466284cf6521a5b471e04e5c895f3f036ade6c3N.exe
Size

88KB
MD5

10db7b723c7d9344e3b9c09b9222dc4b
SHA1

339feb4b1c134a732ec6f5d3777f52180510e6a9
SHA256

7e200ff586f0396ef01e9f527c1d32908fd56150e6886f5b7927c1cf382d643e
SHA512

fafe71a75ee9b02b1d99fc204e0d893c05c75f90dce8b212a6c4f13548297b18dcde019503e3c0630f624c7a22c756df000afb869e9ab98131050d0ef4f41cb8
SSDEEP

1536:Az44CpRkr9DXhHf3aOd/56RrkQqjh+rmKVsNz:AzvokZR/KM/ysjwqWsNz

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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\1B77DBF5 = "C:\\Users\\Admin\\AppData\\Roaming\\1B77DBF5\\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	8449018f15ad45b48d46f4184466284cf6521a5b471e04e5c895f3f036ade6c3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe
1476	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1476	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 1476	2368	8449018f15ad45b48d46f4184466284cf6521a5b471e04e5c895f3f036ade6c3N.exe	31
PID 2368 wrote to memory of 1476	2368	8449018f15ad45b48d46f4184466284cf6521a5b471e04e5c895f3f036ade6c3N.exe	31
PID 2368 wrote to memory of 1476	2368	8449018f15ad45b48d46f4184466284cf6521a5b471e04e5c895f3f036ade6c3N.exe	31
PID 2368 wrote to memory of 1476	2368	8449018f15ad45b48d46f4184466284cf6521a5b471e04e5c895f3f036ade6c3N.exe	31
PID 2368 wrote to memory of 1476	2368	8449018f15ad45b48d46f4184466284cf6521a5b471e04e5c895f3f036ade6c3N.exe	31
PID 1476 wrote to memory of 1248	1476	winver.exe	21
PID 1476 wrote to memory of 1116	1476	winver.exe	19
PID 1476 wrote to memory of 1192	1476	winver.exe	20
PID 1476 wrote to memory of 1248	1476	winver.exe	21
PID 1476 wrote to memory of 1124	1476	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:1192

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1248
- C:\Users\Admin\AppData\Local\Temp\8449018f15ad45b48d46f4184466284cf6521a5b471e04e5c895f3f036ade6c3N.exe
  "C:\Users\Admin\AppData\Local\Temp\8449018f15ad45b48d46f4184466284cf6521a5b471e04e5c895f3f036ade6c3N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2368
- - 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:1476

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1124

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/1116-24-0x00000000001C0000-0x00000000001C6000-memory.dmp

Filesize
24KB

Download
memory/1116-25-0x0000000076F21000-0x0000000076F22000-memory.dmp

Filesize
4KB

Download
memory/1124-28-0x0000000076F21000-0x0000000076F22000-memory.dmp

Filesize
4KB

Download
memory/1124-23-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1124-27-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1192-18-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1192-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1248-1-0x0000000002B00000-0x0000000002B06000-memory.dmp

Filesize
24KB

Download
memory/1248-20-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1248-9-0x0000000076F21000-0x0000000076F22000-memory.dmp

Filesize
4KB

Download
memory/1248-2-0x0000000002B00000-0x0000000002B06000-memory.dmp

Filesize
24KB

Download
memory/1248-30-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1248-3-0x0000000002B00000-0x0000000002B06000-memory.dmp

Filesize
24KB

Download
memory/1476-8-0x00000000770CF000-0x00000000770D1000-memory.dmp

Filesize
8KB

Download
memory/1476-26-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1476-5-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1476-6-0x00000000770D0000-0x00000000770D1000-memory.dmp

Filesize
4KB

Download
memory/1476-7-0x00000000770CF000-0x00000000770D0000-memory.dmp

Filesize
4KB

Download
memory/1476-10-0x0000000076ED0000-0x0000000077079000-memory.dmp

Filesize
1.7MB

Download
memory/1476-35-0x0000000000180000-0x0000000000181000-memory.dmp

Filesize
4KB

Download
memory/2368-12-0x0000000001CD0000-0x00000000026D0000-memory.dmp

Filesize
10.0MB

Download
memory/2368-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2368-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2368-4-0x0000000001CD0000-0x00000000026D0000-memory.dmp

Filesize
10.0MB

Download