tinba | 61e85930a3c7dcd58aec095a4eeb8abf20211e971ff1d038308833392ab654ee

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/09/2024, 20:03

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General

Target

556247f972887a43f46b93a34d8970ab7b7e2ed319a27c2604e79977d77976b9.exe
Size

131KB
MD5

493cb58a2f56814c2a730ce6fd3cb9c3
SHA1

b88d9b9d6e01cfb280f8b024138c5cb62c9835d8
SHA256

556247f972887a43f46b93a34d8970ab7b7e2ed319a27c2604e79977d77976b9
SHA512

0ca4301c702948747b1e401554a1c1e953a86715bc0cdf590f2dced8672c80583f5c23b06f3aa82ed73a64ff4f8318fc50ab5af470ce3a549a10653c86f64b8b
SSDEEP

1536:KPx+riFFG1A/m3wE/iVP9In2Zv4qjh+rmKK4cVSZj:EY8FE/MVIn2Z5jgq54c4d

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

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral1/memory/904-0-0x0000000000400000-0x0000000000423000-memory.dmp	upx

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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\9F2BF5C7 = "C:\\Users\\Admin\\AppData\\Roaming\\9F2BF5C7\\bin.exe"	winver.exe

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	556247f972887a43f46b93a34d8970ab7b7e2ed319a27c2604e79977d77976b9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe
2356	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2356	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 904 wrote to memory of 2356	904	556247f972887a43f46b93a34d8970ab7b7e2ed319a27c2604e79977d77976b9.exe	30
PID 904 wrote to memory of 2356	904	556247f972887a43f46b93a34d8970ab7b7e2ed319a27c2604e79977d77976b9.exe	30
PID 904 wrote to memory of 2356	904	556247f972887a43f46b93a34d8970ab7b7e2ed319a27c2604e79977d77976b9.exe	30
PID 904 wrote to memory of 2356	904	556247f972887a43f46b93a34d8970ab7b7e2ed319a27c2604e79977d77976b9.exe	30
PID 904 wrote to memory of 2356	904	556247f972887a43f46b93a34d8970ab7b7e2ed319a27c2604e79977d77976b9.exe	30
PID 2356 wrote to memory of 1200	2356	winver.exe	20
PID 2356 wrote to memory of 1128	2356	winver.exe	18
PID 2356 wrote to memory of 1172	2356	winver.exe	19
PID 2356 wrote to memory of 1200	2356	winver.exe	20
PID 2356 wrote to memory of 1628	2356	winver.exe	22

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

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\556247f972887a43f46b93a34d8970ab7b7e2ed319a27c2604e79977d77976b9.exe
  "C:\Users\Admin\AppData\Local\Temp\556247f972887a43f46b93a34d8970ab7b7e2ed319a27c2604e79977d77976b9.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:904
- - 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:2356

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1628

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/904-13-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/904-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/904-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/904-5-0x0000000001F90000-0x0000000002990000-memory.dmp

Filesize
10.0MB

Download
memory/904-14-0x0000000001F90000-0x0000000002990000-memory.dmp

Filesize
10.0MB

Download
memory/1128-26-0x0000000001B40000-0x0000000001B46000-memory.dmp

Filesize
24KB

Download
memory/1128-27-0x0000000077711000-0x0000000077712000-memory.dmp

Filesize
4KB

Download
memory/1172-28-0x0000000077711000-0x0000000077712000-memory.dmp

Filesize
4KB

Download
memory/1172-29-0x0000000077711000-0x0000000077712000-memory.dmp

Filesize
4KB

Download
memory/1172-30-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1172-21-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1200-32-0x0000000002740000-0x0000000002746000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x0000000077711000-0x0000000077712000-memory.dmp

Filesize
4KB

Download
memory/1200-3-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/1200-23-0x0000000002740000-0x0000000002746000-memory.dmp

Filesize
24KB

Download
memory/1200-4-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002AF0000-0x0000000002AF6000-memory.dmp

Filesize
24KB

Download
memory/1628-25-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/1628-33-0x00000000021C0000-0x00000000021C6000-memory.dmp

Filesize
24KB

Download
memory/1628-34-0x0000000077711000-0x0000000077712000-memory.dmp

Filesize
4KB

Download
memory/2356-6-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2356-7-0x00000000778C0000-0x00000000778C1000-memory.dmp

Filesize
4KB

Download
memory/2356-9-0x00000000778BF000-0x00000000778C1000-memory.dmp

Filesize
8KB

Download
memory/2356-11-0x00000000776C0000-0x0000000077869000-memory.dmp

Filesize
1.7MB

Download
memory/2356-31-0x0000000000190000-0x0000000000196000-memory.dmp

Filesize
24KB

Download
memory/2356-8-0x00000000778BF000-0x00000000778C0000-memory.dmp

Filesize
4KB

Download