tinba | aa3730f9c813244b45c6a61c15751cea81398f0a150bebfbf2a1bdf48e4c82d6

Analysis

max time kernel
118s
max time network
115s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-01-2025 01:54

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General

Target

aa3730f9c813244b45c6a61c15751cea81398f0a150bebfbf2a1bdf48e4c82d6N.exe
Size

45KB
MD5

cac92ad821db940b0e742fe2135fe600
SHA1

9c1615105a97a215a9014303f196103d093f3e55
SHA256

aa3730f9c813244b45c6a61c15751cea81398f0a150bebfbf2a1bdf48e4c82d6
SHA512

86170bb61518285b047a0d5c2b1edc8dee8fc043549a89568863f5f627b1e5a1b87070796c532722de70e7b9ded170b185fbb2735b6b96476d0d89fac77125de
SSDEEP

768:ihP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2H:OsWE9N5dFu53dsniQaB/xZ14n7zIF+qT

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\02891568 = "C:\\Users\\Admin\\AppData\\Roaming\\02891568\\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/2408-0-0x0000000000400000-0x000000000041D000-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	aa3730f9c813244b45c6a61c15751cea81398f0a150bebfbf2a1bdf48e4c82d6N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe
2752	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2752	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2408 wrote to memory of 2752	2408	aa3730f9c813244b45c6a61c15751cea81398f0a150bebfbf2a1bdf48e4c82d6N.exe	31
PID 2408 wrote to memory of 2752	2408	aa3730f9c813244b45c6a61c15751cea81398f0a150bebfbf2a1bdf48e4c82d6N.exe	31
PID 2408 wrote to memory of 2752	2408	aa3730f9c813244b45c6a61c15751cea81398f0a150bebfbf2a1bdf48e4c82d6N.exe	31
PID 2408 wrote to memory of 2752	2408	aa3730f9c813244b45c6a61c15751cea81398f0a150bebfbf2a1bdf48e4c82d6N.exe	31
PID 2408 wrote to memory of 2752	2408	aa3730f9c813244b45c6a61c15751cea81398f0a150bebfbf2a1bdf48e4c82d6N.exe	31
PID 2752 wrote to memory of 1180	2752	winver.exe	21
PID 2752 wrote to memory of 1096	2752	winver.exe	19
PID 2752 wrote to memory of 1144	2752	winver.exe	20
PID 2752 wrote to memory of 1180	2752	winver.exe	21
PID 2752 wrote to memory of 1616	2752	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1096

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1144

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1180
- C:\Users\Admin\AppData\Local\Temp\aa3730f9c813244b45c6a61c15751cea81398f0a150bebfbf2a1bdf48e4c82d6N.exe
  "C:\Users\Admin\AppData\Local\Temp\aa3730f9c813244b45c6a61c15751cea81398f0a150bebfbf2a1bdf48e4c82d6N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2408
- - 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:2752

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1616

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/1096-27-0x0000000077291000-0x0000000077292000-memory.dmp

Filesize
4KB

Download
memory/1096-25-0x0000000077291000-0x0000000077292000-memory.dmp

Filesize
4KB

Download
memory/1096-26-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1144-34-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1144-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1180-4-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1180-3-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1180-2-0x00000000025C0000-0x00000000025C6000-memory.dmp

Filesize
24KB

Download
memory/1180-32-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/1180-10-0x0000000077291000-0x0000000077292000-memory.dmp

Filesize
4KB

Download
memory/1180-22-0x0000000002570000-0x0000000002576000-memory.dmp

Filesize
24KB

Download
memory/1616-30-0x0000000077291000-0x0000000077292000-memory.dmp

Filesize
4KB

Download
memory/1616-24-0x0000000001BA0000-0x0000000001BA6000-memory.dmp

Filesize
24KB

Download
memory/1616-37-0x0000000001BA0000-0x0000000001BA6000-memory.dmp

Filesize
24KB

Download
memory/1616-31-0x0000000077291000-0x0000000077292000-memory.dmp

Filesize
4KB

Download
memory/1616-29-0x0000000001BA0000-0x0000000001BA6000-memory.dmp

Filesize
24KB

Download
memory/1616-28-0x0000000077291000-0x0000000077292000-memory.dmp

Filesize
4KB

Download
memory/2408-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2408-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2408-5-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/2408-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2408-13-0x0000000001DA0000-0x00000000027A0000-memory.dmp

Filesize
10.0MB

Download
memory/2752-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2752-7-0x0000000077440000-0x0000000077441000-memory.dmp

Filesize
4KB

Download
memory/2752-8-0x000000007743F000-0x0000000077440000-memory.dmp

Filesize
4KB

Download
memory/2752-9-0x000000007743F000-0x0000000077441000-memory.dmp

Filesize
8KB

Download
memory/2752-11-0x0000000077240000-0x00000000773E9000-memory.dmp

Filesize
1.7MB

Download
memory/2752-33-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2752-39-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download