tinba | 753b8a6e756cec392dcd82b9d01f75a7b79bc64eaf0f75e132dd1adaa8dd5e24

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-11-2024 00:53

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General

Target

753b8a6e756cec392dcd82b9d01f75a7b79bc64eaf0f75e132dd1adaa8dd5e24.exe
Size

36KB
MD5

79060e72b113f0ce18ac82cba75bfd01
SHA1

7a8132486862cf976919671260c1e5c0b3cca41c
SHA256

753b8a6e756cec392dcd82b9d01f75a7b79bc64eaf0f75e132dd1adaa8dd5e24
SHA512

7824a51bb6dfb32d47b58ce1843a5c55e21ef39e7fadca3f24b0ada8d5db22ca73d68d89e61e9624d67575971414a6e0f65ba6f7c56cbbd30ede335db870397b
SSDEEP

768:fp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9Jy:fpYoX58z1uirL98xMWnT0OQ9Jy

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\9E01BF76 = "C:\\Users\\Admin\\AppData\\Roaming\\9E01BF76\\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/1680-0-0x0000000000400000-0x0000000000417000-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	753b8a6e756cec392dcd82b9d01f75a7b79bc64eaf0f75e132dd1adaa8dd5e24.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe
3020	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
3020	winver.exe
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1208	Explorer.EXE
1208	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 3020	1680	753b8a6e756cec392dcd82b9d01f75a7b79bc64eaf0f75e132dd1adaa8dd5e24.exe	31
PID 1680 wrote to memory of 3020	1680	753b8a6e756cec392dcd82b9d01f75a7b79bc64eaf0f75e132dd1adaa8dd5e24.exe	31
PID 1680 wrote to memory of 3020	1680	753b8a6e756cec392dcd82b9d01f75a7b79bc64eaf0f75e132dd1adaa8dd5e24.exe	31
PID 1680 wrote to memory of 3020	1680	753b8a6e756cec392dcd82b9d01f75a7b79bc64eaf0f75e132dd1adaa8dd5e24.exe	31
PID 1680 wrote to memory of 3020	1680	753b8a6e756cec392dcd82b9d01f75a7b79bc64eaf0f75e132dd1adaa8dd5e24.exe	31
PID 3020 wrote to memory of 1208	3020	winver.exe	21
PID 3020 wrote to memory of 1108	3020	winver.exe	19
PID 3020 wrote to memory of 1168	3020	winver.exe	20
PID 3020 wrote to memory of 1208	3020	winver.exe	21
PID 3020 wrote to memory of 1524	3020	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1208
- C:\Users\Admin\AppData\Local\Temp\753b8a6e756cec392dcd82b9d01f75a7b79bc64eaf0f75e132dd1adaa8dd5e24.exe
  "C:\Users\Admin\AppData\Local\Temp\753b8a6e756cec392dcd82b9d01f75a7b79bc64eaf0f75e132dd1adaa8dd5e24.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1680
- - 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:3020

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1524

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/1108-26-0x0000000077631000-0x0000000077632000-memory.dmp

Filesize
4KB

Download
memory/1108-25-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1168-20-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1168-31-0x0000000001F20000-0x0000000001F26000-memory.dmp

Filesize
24KB

Download
memory/1208-3-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1208-10-0x0000000077631000-0x0000000077632000-memory.dmp

Filesize
4KB

Download
memory/1208-28-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1208-2-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1208-22-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1208-4-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1524-29-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/1524-30-0x0000000077631000-0x0000000077632000-memory.dmp

Filesize
4KB

Download
memory/1524-24-0x0000000001D30000-0x0000000001D36000-memory.dmp

Filesize
24KB

Download
memory/1524-27-0x0000000077631000-0x0000000077632000-memory.dmp

Filesize
4KB

Download
memory/1680-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1680-13-0x0000000001BC0000-0x00000000025C0000-memory.dmp

Filesize
10.0MB

Download
memory/1680-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1680-5-0x0000000001BC0000-0x00000000025C0000-memory.dmp

Filesize
10.0MB

Download
memory/1680-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3020-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/3020-7-0x00000000777E0000-0x00000000777E1000-memory.dmp

Filesize
4KB

Download
memory/3020-8-0x00000000777DF000-0x00000000777E0000-memory.dmp

Filesize
4KB

Download
memory/3020-9-0x00000000777DF000-0x00000000777E1000-memory.dmp

Filesize
8KB

Download
memory/3020-11-0x00000000775E0000-0x0000000077789000-memory.dmp

Filesize
1.7MB

Download
memory/3020-32-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/3020-37-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download