tinba | f759fd2d7484ec67652760f5b6c684eb9546a2ab53bb9e9c82ef5c1c58121096

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
04-12-2024 04:01

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General

Target

f759fd2d7484ec67652760f5b6c684eb9546a2ab53bb9e9c82ef5c1c58121096.exe
Size

110KB
MD5

c989c63924b1b00b68e1cb3b7669383d
SHA1

81a7e83b38e3f1db2f2bf05bf88cf3243a65da71
SHA256

f759fd2d7484ec67652760f5b6c684eb9546a2ab53bb9e9c82ef5c1c58121096
SHA512

0023eadb71a671e890c7bd889a34be6cece52cbaac03c1f6a9ed87dafc2a3ab6cc7df8ec47c4e0a7a3a42c3a54779b794ba88ebbcba717337ed040fe9313235d
SSDEEP

1536:8iLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:8iyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\6C44862D = "C:\\Users\\Admin\\AppData\\Roaming\\6C44862D\\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/1728-0-0x0000000000400000-0x000000000041E000-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	f759fd2d7484ec67652760f5b6c684eb9546a2ab53bb9e9c82ef5c1c58121096.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe
2308	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2308	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 2308	1728	f759fd2d7484ec67652760f5b6c684eb9546a2ab53bb9e9c82ef5c1c58121096.exe	32
PID 1728 wrote to memory of 2308	1728	f759fd2d7484ec67652760f5b6c684eb9546a2ab53bb9e9c82ef5c1c58121096.exe	32
PID 1728 wrote to memory of 2308	1728	f759fd2d7484ec67652760f5b6c684eb9546a2ab53bb9e9c82ef5c1c58121096.exe	32
PID 1728 wrote to memory of 2308	1728	f759fd2d7484ec67652760f5b6c684eb9546a2ab53bb9e9c82ef5c1c58121096.exe	32
PID 1728 wrote to memory of 2308	1728	f759fd2d7484ec67652760f5b6c684eb9546a2ab53bb9e9c82ef5c1c58121096.exe	32
PID 2308 wrote to memory of 1200	2308	winver.exe	21
PID 2308 wrote to memory of 1116	2308	winver.exe	19
PID 2308 wrote to memory of 1168	2308	winver.exe	20
PID 2308 wrote to memory of 1200	2308	winver.exe	21
PID 2308 wrote to memory of 1312	2308	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\f759fd2d7484ec67652760f5b6c684eb9546a2ab53bb9e9c82ef5c1c58121096.exe
  "C:\Users\Admin\AppData\Local\Temp\f759fd2d7484ec67652760f5b6c684eb9546a2ab53bb9e9c82ef5c1c58121096.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1728
- - 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:2308

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1312

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/1116-28-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

Filesize
4KB

Download
memory/1116-25-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

Filesize
4KB

Download
memory/1116-26-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

Filesize
4KB

Download
memory/1116-27-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1168-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1168-32-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1200-29-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

Filesize
4KB

Download
memory/1200-22-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

Download
memory/1200-4-0x0000000002590000-0x0000000002596000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002590000-0x0000000002596000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002590000-0x0000000002596000-memory.dmp

Filesize
24KB

Download
memory/1312-24-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1312-30-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

Filesize
4KB

Download
memory/1312-33-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1312-34-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

Filesize
4KB

Download
memory/1312-31-0x0000000077AC1000-0x0000000077AC2000-memory.dmp

Filesize
4KB

Download
memory/1728-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1728-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/1728-13-0x0000000001D90000-0x0000000002790000-memory.dmp

Filesize
10.0MB

Download
memory/1728-5-0x0000000001D90000-0x0000000002790000-memory.dmp

Filesize
10.0MB

Download
memory/1728-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2308-6-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/2308-7-0x0000000077C70000-0x0000000077C71000-memory.dmp

Filesize
4KB

Download
memory/2308-8-0x0000000077C6F000-0x0000000077C70000-memory.dmp

Filesize
4KB

Download
memory/2308-9-0x0000000077C6F000-0x0000000077C71000-memory.dmp

Filesize
8KB

Download
memory/2308-11-0x0000000077A70000-0x0000000077C19000-memory.dmp

Filesize
1.7MB

Download
memory/2308-35-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download