tinba | 82840ed36307e9603b87e6c24aab046ccac1b18ff5c5c21881127365250d9a2f

Analysis

max time kernel
119s
max time network
118s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
07-12-2024 20:28

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General

Target

82840ed36307e9603b87e6c24aab046ccac1b18ff5c5c21881127365250d9a2fN.exe
Size

67KB
MD5

ca600291cbb8b88a5dcfbad998f9d520
SHA1

4887bd985dfd73c48eadbb6e2b9c63e8c3880649
SHA256

82840ed36307e9603b87e6c24aab046ccac1b18ff5c5c21881127365250d9a2f
SHA512

17b845ee6047f1b1f7e8c151dc4f1f05c9a21c463acf846e53b8998dc8ec473b5e493770951f635354f71b0a71cc2fd43feba7edd02435b990a824c379255253
SSDEEP

768:sV0sdE7t4RZeEUOwIK2TG5aPvnnbr368T3u5TfU+NLFaYCCGacz+CZc9JT:sVc8eATK2TQaCGe5bzNL0RNG9JT

Score

10^/10

tinba banker discovery persistence trojan

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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\081F76FC = "C:\\Users\\Admin\\AppData\\Roaming\\081F76FC\\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	82840ed36307e9603b87e6c24aab046ccac1b18ff5c5c21881127365250d9a2fN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe
2912	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2912	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2940 wrote to memory of 2912	2940	82840ed36307e9603b87e6c24aab046ccac1b18ff5c5c21881127365250d9a2fN.exe	31
PID 2940 wrote to memory of 2912	2940	82840ed36307e9603b87e6c24aab046ccac1b18ff5c5c21881127365250d9a2fN.exe	31
PID 2940 wrote to memory of 2912	2940	82840ed36307e9603b87e6c24aab046ccac1b18ff5c5c21881127365250d9a2fN.exe	31
PID 2940 wrote to memory of 2912	2940	82840ed36307e9603b87e6c24aab046ccac1b18ff5c5c21881127365250d9a2fN.exe	31
PID 2940 wrote to memory of 2912	2940	82840ed36307e9603b87e6c24aab046ccac1b18ff5c5c21881127365250d9a2fN.exe	31
PID 2912 wrote to memory of 1052	2912	winver.exe	18
PID 2912 wrote to memory of 1028	2912	winver.exe	17
PID 2912 wrote to memory of 1052	2912	winver.exe	18
PID 2912 wrote to memory of 1088	2912	winver.exe	19
PID 2912 wrote to memory of 1816	2912	winver.exe	25

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1028

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1052
- C:\Users\Admin\AppData\Local\Temp\82840ed36307e9603b87e6c24aab046ccac1b18ff5c5c21881127365250d9a2fN.exe
  "C:\Users\Admin\AppData\Local\Temp\82840ed36307e9603b87e6c24aab046ccac1b18ff5c5c21881127365250d9a2fN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2940
- - 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:2912

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1088

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1816

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/1028-24-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1028-25-0x0000000077BE1000-0x0000000077BE2000-memory.dmp

Filesize
4KB

Download
memory/1052-1-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1052-19-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1052-2-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1052-9-0x0000000077BE1000-0x0000000077BE2000-memory.dmp

Filesize
4KB

Download
memory/1052-3-0x0000000002630000-0x0000000002636000-memory.dmp

Filesize
24KB

Download
memory/1052-28-0x00000000025E0000-0x00000000025E6000-memory.dmp

Filesize
24KB

Download
memory/1088-21-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1088-30-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1816-23-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1816-26-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/1816-27-0x0000000077BE1000-0x0000000077BE2000-memory.dmp

Filesize
4KB

Download
memory/2912-5-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2912-6-0x0000000077D90000-0x0000000077D91000-memory.dmp

Filesize
4KB

Download
memory/2912-29-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/2912-7-0x0000000077D8F000-0x0000000077D90000-memory.dmp

Filesize
4KB

Download
memory/2912-8-0x0000000077D8F000-0x0000000077D91000-memory.dmp

Filesize
8KB

Download
memory/2912-10-0x0000000077B90000-0x0000000077D39000-memory.dmp

Filesize
1.7MB

Download
memory/2940-12-0x0000000002020000-0x0000000002A20000-memory.dmp

Filesize
10.0MB

Download
memory/2940-11-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2940-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2940-4-0x0000000002020000-0x0000000002A20000-memory.dmp

Filesize
10.0MB

Download