tinba | 5ab8992d28276169e390eadb30e78d5eaa3accf422482782d7ea26b5c9be0358

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 22:24

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General

Target

5ab8992d28276169e390eadb30e78d5eaa3accf422482782d7ea26b5c9be0358N.exe
Size

89KB
MD5

406c653fd0cecf00f266fe40d011e430
SHA1

4b5e2697c95c9f4089ac6a791569dbd9cd64dfb6
SHA256

5ab8992d28276169e390eadb30e78d5eaa3accf422482782d7ea26b5c9be0358
SHA512

823e3a264e65bb7309139989f958616410e865d69bdf745a55c1b561aac3e010f679d2db6db7f9fa01265d7514dad2e6cb834026991db8083b29ea6cfd837b3a
SSDEEP

1536:B1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:L+4MJIkLZJNAQ9Jo9e

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\37E110C5 = "C:\\Users\\Admin\\AppData\\Roaming\\37E110C5\\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/2848-0-0x0000000000400000-0x0000000000418000-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	5ab8992d28276169e390eadb30e78d5eaa3accf422482782d7ea26b5c9be0358N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe
1608	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1608	winver.exe
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 1608	2848	5ab8992d28276169e390eadb30e78d5eaa3accf422482782d7ea26b5c9be0358N.exe	31
PID 2848 wrote to memory of 1608	2848	5ab8992d28276169e390eadb30e78d5eaa3accf422482782d7ea26b5c9be0358N.exe	31
PID 2848 wrote to memory of 1608	2848	5ab8992d28276169e390eadb30e78d5eaa3accf422482782d7ea26b5c9be0358N.exe	31
PID 2848 wrote to memory of 1608	2848	5ab8992d28276169e390eadb30e78d5eaa3accf422482782d7ea26b5c9be0358N.exe	31
PID 2848 wrote to memory of 1608	2848	5ab8992d28276169e390eadb30e78d5eaa3accf422482782d7ea26b5c9be0358N.exe	31
PID 1608 wrote to memory of 1192	1608	winver.exe	21
PID 1608 wrote to memory of 1100	1608	winver.exe	19
PID 1608 wrote to memory of 1164	1608	winver.exe	20
PID 1608 wrote to memory of 1192	1608	winver.exe	21
PID 1608 wrote to memory of 1612	1608	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1192
- C:\Users\Admin\AppData\Local\Temp\5ab8992d28276169e390eadb30e78d5eaa3accf422482782d7ea26b5c9be0358N.exe
  "C:\Users\Admin\AppData\Local\Temp\5ab8992d28276169e390eadb30e78d5eaa3accf422482782d7ea26b5c9be0358N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2848
- - 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:1608

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1612

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/1100-26-0x00000000778D1000-0x00000000778D2000-memory.dmp

Filesize
4KB

Download
memory/1100-25-0x00000000002E0000-0x00000000002E6000-memory.dmp

Filesize
24KB

Download
memory/1164-20-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1164-27-0x0000000001EA0000-0x0000000001EA6000-memory.dmp

Filesize
24KB

Download
memory/1192-4-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1192-30-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1192-10-0x00000000778D1000-0x00000000778D2000-memory.dmp

Filesize
4KB

Download
memory/1192-3-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1192-2-0x00000000021A0000-0x00000000021A6000-memory.dmp

Filesize
24KB

Download
memory/1192-22-0x0000000002180000-0x0000000002186000-memory.dmp

Filesize
24KB

Download
memory/1608-11-0x0000000077880000-0x0000000077A29000-memory.dmp

Filesize
1.7MB

Download
memory/1608-9-0x0000000077A7F000-0x0000000077A81000-memory.dmp

Filesize
8KB

Download
memory/1608-8-0x0000000077A7F000-0x0000000077A80000-memory.dmp

Filesize
4KB

Download
memory/1608-7-0x0000000077A80000-0x0000000077A81000-memory.dmp

Filesize
4KB

Download
memory/1608-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1608-31-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1612-28-0x0000000001E40000-0x0000000001E46000-memory.dmp

Filesize
24KB

Download
memory/1612-29-0x00000000778D1000-0x00000000778D2000-memory.dmp

Filesize
4KB

Download
memory/1612-24-0x0000000001E40000-0x0000000001E46000-memory.dmp

Filesize
24KB

Download
memory/1612-32-0x00000000778D1000-0x00000000778D2000-memory.dmp

Filesize
4KB

Download
memory/1612-36-0x0000000001E40000-0x0000000001E46000-memory.dmp

Filesize
24KB

Download
memory/2848-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2848-13-0x0000000001EB0000-0x00000000028B0000-memory.dmp

Filesize
10.0MB

Download
memory/2848-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2848-5-0x0000000001EB0000-0x00000000028B0000-memory.dmp

Filesize
10.0MB

Download
memory/2848-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download