tinba | bbb81247fa35d011c55be82f82a5d970cebfb05f814d5d73bf0150715bd7f335

Analysis

max time kernel
118s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11-01-2025 09:57

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General

Target

bbb81247fa35d011c55be82f82a5d970cebfb05f814d5d73bf0150715bd7f335N.exe
Size

89KB
MD5

826cea9a97a07dcb148b97f800cdcf90
SHA1

f8e1f56e5bcc41509829b224f6d22da362ee50fa
SHA256

bbb81247fa35d011c55be82f82a5d970cebfb05f814d5d73bf0150715bd7f335
SHA512

8729baf1bdaaa10544d3f0c1a9fef8a0caecc48b3cae54cb64e0f615ff2e4d7c1acc83c6461daf26950503aab10cce04901188d473ae801eea9c8cd43e287f91
SSDEEP

1536:v1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7+:N+4MJIkLZJNAQ9Jo9+

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\E254D94A = "C:\\Users\\Admin\\AppData\\Roaming\\E254D94A\\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/1344-0-0x0000000000400000-0x0000000000418000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	bbb81247fa35d011c55be82f82a5d970cebfb05f814d5d73bf0150715bd7f335N.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe
3036	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3036	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1344 wrote to memory of 3036	1344	bbb81247fa35d011c55be82f82a5d970cebfb05f814d5d73bf0150715bd7f335N.exe	29
PID 1344 wrote to memory of 3036	1344	bbb81247fa35d011c55be82f82a5d970cebfb05f814d5d73bf0150715bd7f335N.exe	29
PID 1344 wrote to memory of 3036	1344	bbb81247fa35d011c55be82f82a5d970cebfb05f814d5d73bf0150715bd7f335N.exe	29
PID 1344 wrote to memory of 3036	1344	bbb81247fa35d011c55be82f82a5d970cebfb05f814d5d73bf0150715bd7f335N.exe	29
PID 1344 wrote to memory of 3036	1344	bbb81247fa35d011c55be82f82a5d970cebfb05f814d5d73bf0150715bd7f335N.exe	29
PID 3036 wrote to memory of 1080	3036	winver.exe	18
PID 3036 wrote to memory of 1044	3036	winver.exe	17
PID 3036 wrote to memory of 1080	3036	winver.exe	18
PID 3036 wrote to memory of 1088	3036	winver.exe	19
PID 3036 wrote to memory of 1176	3036	winver.exe	23

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1044

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1080
- C:\Users\Admin\AppData\Local\Temp\bbb81247fa35d011c55be82f82a5d970cebfb05f814d5d73bf0150715bd7f335N.exe
  "C:\Users\Admin\AppData\Local\Temp\bbb81247fa35d011c55be82f82a5d970cebfb05f814d5d73bf0150715bd7f335N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1344
- - 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:3036

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1088

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1176

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/1044-21-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1044-22-0x0000000077CE1000-0x0000000077CE2000-memory.dmp

Filesize
4KB

Download
memory/1080-20-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1080-4-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1080-3-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1080-2-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1080-10-0x0000000077CE1000-0x0000000077CE2000-memory.dmp

Filesize
4KB

Download
memory/1080-27-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1088-32-0x00000000020F0000-0x00000000020F6000-memory.dmp

Filesize
24KB

Download
memory/1176-29-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1176-30-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1176-31-0x0000000077CE1000-0x0000000077CE2000-memory.dmp

Filesize
4KB

Download
memory/1344-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1344-5-0x0000000001DC0000-0x00000000027C0000-memory.dmp

Filesize
10.0MB

Download
memory/1344-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1344-13-0x0000000001DC0000-0x00000000027C0000-memory.dmp

Filesize
10.0MB

Download
memory/1344-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/3036-23-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/3036-9-0x0000000077E8F000-0x0000000077E91000-memory.dmp

Filesize
8KB

Download
memory/3036-11-0x0000000077C90000-0x0000000077E39000-memory.dmp

Filesize
1.7MB

Download
memory/3036-8-0x0000000077E8F000-0x0000000077E90000-memory.dmp

Filesize
4KB

Download
memory/3036-6-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/3036-7-0x0000000077E90000-0x0000000077E91000-memory.dmp

Filesize
4KB

Download