tinba | 683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c

Analysis

max time kernel
118s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 01:27

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General

Target

683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c.exe
Size

160KB
MD5

c06fd20f0cb95403091347f94b703969
SHA1

dc33e0b3fc26011d0a767bcb786dbc21b5da241e
SHA256

683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c
SHA512

09bfa634d212647664ac81efd8d4d9c98b358ad13caf83873bc8a81071072556109e5d484bcb47dca65b0918f3758969285776768ed3f5ef611ff1ec0ff0b23e
SSDEEP

1536:EEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xphM:3Y+4MiIkLZJNAQ9J6vO

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

Processes:

winver.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\0038DB54 = "C:\\Users\\Admin\\AppData\\Roaming\\0038DB54\\bin.exe"	winver.exe

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/2616-0-0x0000000000400000-0x0000000000428000-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

Processes:

683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c.exewinver.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

Processes:

winver.exe

pid	Process
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe
1052	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

winver.exe

pid	Process
1052	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c.exewinver.exe

description	pid	Process	procid_target
PID 2616 wrote to memory of 1052	2616	683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c.exe	32
PID 2616 wrote to memory of 1052	2616	683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c.exe	32
PID 2616 wrote to memory of 1052	2616	683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c.exe	32
PID 2616 wrote to memory of 1052	2616	683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c.exe	32
PID 2616 wrote to memory of 1052	2616	683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c.exe	32
PID 1052 wrote to memory of 1220	1052	winver.exe	21
PID 1052 wrote to memory of 1100	1052	winver.exe	19
PID 1052 wrote to memory of 1172	1052	winver.exe	20
PID 1052 wrote to memory of 1220	1052	winver.exe	21
PID 1052 wrote to memory of 632	1052	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1220
- C:\Users\Admin\AppData\Local\Temp\683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c.exe
  "C:\Users\Admin\AppData\Local\Temp\683d1232d6125afe78fe1d26fd4a650519470bc47703f0396441561ca166692c.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2616
- - 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:1052

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:632

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/632-30-0x00000000773F1000-0x00000000773F2000-memory.dmp

Filesize
4KB

Download
memory/632-29-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/632-24-0x0000000001ED0000-0x0000000001ED6000-memory.dmp

Filesize
24KB

Download
memory/1052-8-0x000000007759F000-0x00000000775A0000-memory.dmp

Filesize
4KB

Download
memory/1052-31-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/1052-6-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/1052-11-0x00000000773A0000-0x0000000077549000-memory.dmp

Filesize
1.7MB

Download
memory/1052-7-0x00000000775A0000-0x00000000775A1000-memory.dmp

Filesize
4KB

Download
memory/1052-9-0x000000007759F000-0x00000000775A1000-memory.dmp

Filesize
8KB

Download
memory/1100-26-0x00000000773F1000-0x00000000773F2000-memory.dmp

Filesize
4KB

Download
memory/1100-25-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/1172-27-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1172-19-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1220-4-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1220-21-0x00000000024A0000-0x00000000024A6000-memory.dmp

Filesize
24KB

Download
memory/1220-10-0x00000000773F1000-0x00000000773F2000-memory.dmp

Filesize
4KB

Download
memory/1220-28-0x00000000024A0000-0x00000000024A6000-memory.dmp

Filesize
24KB

Download
memory/1220-2-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1220-3-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/2616-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2616-13-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/2616-5-0x0000000001C60000-0x0000000002660000-memory.dmp

Filesize
10.0MB

Download
memory/2616-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2616-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download