tinba | 8de3868b96c958ea874d30c8458dbf91695bdc905d83cffd0dd7ac54dce8fb1f

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
10-12-2024 07:05

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General

Target

8de3868b96c958ea874d30c8458dbf91695bdc905d83cffd0dd7ac54dce8fb1f.exe
Size

45KB
MD5

450dcc9e5fb7494342e0c61bde2d4ff1
SHA1

2445d09612ab5325263bcb4b41534acf0539d026
SHA256

8de3868b96c958ea874d30c8458dbf91695bdc905d83cffd0dd7ac54dce8fb1f
SHA512

e7808216b5f8f65b1cb5f538aeadfd606d1b87e2ed4e34d8518d3c042f3ac791554aa17e6d3fdb72ded0dbdbbdc3c355791f8c6d9335fb986cad4e207832cfe9
SSDEEP

768:9hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2F:/sWE9N5dFu53dsniQaB/xZ14n7zIF+qJ

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\64440DD3 = "C:\\Users\\Admin\\AppData\\Roaming\\64440DD3\\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/1972-0-0x0000000000400000-0x000000000041D000-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	8de3868b96c958ea874d30c8458dbf91695bdc905d83cffd0dd7ac54dce8fb1f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe
1900	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1900	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1972 wrote to memory of 1900	1972	8de3868b96c958ea874d30c8458dbf91695bdc905d83cffd0dd7ac54dce8fb1f.exe	29
PID 1972 wrote to memory of 1900	1972	8de3868b96c958ea874d30c8458dbf91695bdc905d83cffd0dd7ac54dce8fb1f.exe	29
PID 1972 wrote to memory of 1900	1972	8de3868b96c958ea874d30c8458dbf91695bdc905d83cffd0dd7ac54dce8fb1f.exe	29
PID 1972 wrote to memory of 1900	1972	8de3868b96c958ea874d30c8458dbf91695bdc905d83cffd0dd7ac54dce8fb1f.exe	29
PID 1972 wrote to memory of 1900	1972	8de3868b96c958ea874d30c8458dbf91695bdc905d83cffd0dd7ac54dce8fb1f.exe	29
PID 1900 wrote to memory of 1192	1900	winver.exe	21
PID 1900 wrote to memory of 1060	1900	winver.exe	18
PID 1900 wrote to memory of 1132	1900	winver.exe	19
PID 1900 wrote to memory of 1192	1900	winver.exe	21
PID 1900 wrote to memory of 1572	1900	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1060

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1132

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1192
- C:\Users\Admin\AppData\Local\Temp\8de3868b96c958ea874d30c8458dbf91695bdc905d83cffd0dd7ac54dce8fb1f.exe
  "C:\Users\Admin\AppData\Local\Temp\8de3868b96c958ea874d30c8458dbf91695bdc905d83cffd0dd7ac54dce8fb1f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1972
- - 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:1900

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1572

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/1060-23-0x0000000077771000-0x0000000077772000-memory.dmp

Filesize
4KB

Download
memory/1060-19-0x0000000077771000-0x0000000077772000-memory.dmp

Filesize
4KB

Download
memory/1060-37-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1060-18-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1132-33-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1132-26-0x0000000077771000-0x0000000077772000-memory.dmp

Filesize
4KB

Download
memory/1132-22-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1192-2-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1192-4-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1192-25-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1192-10-0x0000000077771000-0x0000000077772000-memory.dmp

Filesize
4KB

Download
memory/1192-30-0x0000000002DB0000-0x0000000002DB6000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002E00000-0x0000000002E06000-memory.dmp

Filesize
24KB

Download
memory/1572-31-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1572-29-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1572-32-0x0000000077771000-0x0000000077772000-memory.dmp

Filesize
4KB

Download
memory/1900-9-0x000000007791F000-0x0000000077921000-memory.dmp

Filesize
8KB

Download
memory/1900-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1900-7-0x0000000077920000-0x0000000077921000-memory.dmp

Filesize
4KB

Download
memory/1900-8-0x000000007791F000-0x0000000077920000-memory.dmp

Filesize
4KB

Download
memory/1900-11-0x0000000077720000-0x00000000778C9000-memory.dmp

Filesize
1.7MB

Download
memory/1900-34-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1972-13-0x0000000001E10000-0x0000000002810000-memory.dmp

Filesize
10.0MB

Download
memory/1972-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1972-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/1972-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/1972-5-0x0000000001E10000-0x0000000002810000-memory.dmp

Filesize
10.0MB

Download