tinba | 550df88ef2c9fb5682f12c3c42eb6653e745f574694cffa4c2912ac225ed9a3c

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13-01-2025 05:02

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General

Target

550df88ef2c9fb5682f12c3c42eb6653e745f574694cffa4c2912ac225ed9a3c.exe
Size

110KB
MD5

802c728015f0ba041a380ba223f814b8
SHA1

0b16604a53f827ab8df99545524b6644c603205e
SHA256

550df88ef2c9fb5682f12c3c42eb6653e745f574694cffa4c2912ac225ed9a3c
SHA512

fa6832853f4b31a3ef7cbc7187ca8187041f070cbd095c91c3468971b2ee476c11652196909ad7fab280c992a8619a0101698cf98b5a12b9f9f98c16469ae24a
SSDEEP

1536:MiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EQ:MiyvRmDLs/ZrwWJjAqGcRJ2hQ

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\E5B3728C = "C:\\Users\\Admin\\AppData\\Roaming\\E5B3728C\\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/1876-0-0x0000000000400000-0x000000000041E000-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	550df88ef2c9fb5682f12c3c42eb6653e745f574694cffa4c2912ac225ed9a3c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe
2784	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2784	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1876 wrote to memory of 2784	1876	550df88ef2c9fb5682f12c3c42eb6653e745f574694cffa4c2912ac225ed9a3c.exe	31
PID 1876 wrote to memory of 2784	1876	550df88ef2c9fb5682f12c3c42eb6653e745f574694cffa4c2912ac225ed9a3c.exe	31
PID 1876 wrote to memory of 2784	1876	550df88ef2c9fb5682f12c3c42eb6653e745f574694cffa4c2912ac225ed9a3c.exe	31
PID 1876 wrote to memory of 2784	1876	550df88ef2c9fb5682f12c3c42eb6653e745f574694cffa4c2912ac225ed9a3c.exe	31
PID 1876 wrote to memory of 2784	1876	550df88ef2c9fb5682f12c3c42eb6653e745f574694cffa4c2912ac225ed9a3c.exe	31
PID 2784 wrote to memory of 1260	2784	winver.exe	21
PID 2784 wrote to memory of 1128	2784	winver.exe	19
PID 2784 wrote to memory of 1184	2784	winver.exe	20
PID 2784 wrote to memory of 1260	2784	winver.exe	21
PID 2784 wrote to memory of 1544	2784	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1128

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1184

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1260
- C:\Users\Admin\AppData\Local\Temp\550df88ef2c9fb5682f12c3c42eb6653e745f574694cffa4c2912ac225ed9a3c.exe
  "C:\Users\Admin\AppData\Local\Temp\550df88ef2c9fb5682f12c3c42eb6653e745f574694cffa4c2912ac225ed9a3c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1876
- - 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:2784

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1544

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/1128-24-0x00000000001E0000-0x00000000001E6000-memory.dmp

Filesize
24KB

Download
memory/1128-25-0x0000000077681000-0x0000000077682000-memory.dmp

Filesize
4KB

Download
memory/1184-19-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1184-30-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1260-3-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1260-21-0x0000000002B50000-0x0000000002B56000-memory.dmp

Filesize
24KB

Download
memory/1260-4-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1260-2-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1260-10-0x0000000077681000-0x0000000077682000-memory.dmp

Filesize
4KB

Download
memory/1260-26-0x0000000002B50000-0x0000000002B56000-memory.dmp

Filesize
24KB

Download
memory/1544-27-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1544-23-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1544-28-0x0000000077681000-0x0000000077682000-memory.dmp

Filesize
4KB

Download
memory/1876-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1876-13-0x0000000001D30000-0x0000000002730000-memory.dmp

Filesize
10.0MB

Download
memory/1876-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1876-5-0x0000000001D30000-0x0000000002730000-memory.dmp

Filesize
10.0MB

Download
memory/1876-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2784-6-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2784-7-0x0000000077830000-0x0000000077831000-memory.dmp

Filesize
4KB

Download
memory/2784-8-0x000000007782F000-0x0000000077830000-memory.dmp

Filesize
4KB

Download
memory/2784-9-0x000000007782F000-0x0000000077831000-memory.dmp

Filesize
8KB

Download
memory/2784-29-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2784-11-0x0000000077630000-0x00000000777D9000-memory.dmp

Filesize
1.7MB

Download