tinba | 61785fae8d45c83132ad147bd12dc902a566efdbefffd9ce982d9345c8802ea4

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
10-12-2024 22:14

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General

Target

61785fae8d45c83132ad147bd12dc902a566efdbefffd9ce982d9345c8802ea4N.exe
Size

45KB
MD5

600165ef551267c1cf3bd18f2c907600
SHA1

1a77df1f5084439b753b455817895b5a6074a283
SHA256

61785fae8d45c83132ad147bd12dc902a566efdbefffd9ce982d9345c8802ea4
SHA512

f7ad6dc250dce5b90b03561f0c784290c71a79c8320438a73f1b317a258fb417a09b7d346c15be1f8c3a6e8e492958a7ac77e0f650b6d9565c6a1a2b341cb27e
SSDEEP

768:2hP0kDE9N5dCA8J7VHXdrIniQaBTT+QQ+r1n4K8+C9TtIuCjaqUODvJVQ2V:asWE9N5dFu53dsniQaB/xZ14n7zIF+q5

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\45F17716 = "C:\\Users\\Admin\\AppData\\Roaming\\45F17716\\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/2316-0-0x0000000000400000-0x000000000041D000-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	61785fae8d45c83132ad147bd12dc902a566efdbefffd9ce982d9345c8802ea4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe
2160	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2160	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2316 wrote to memory of 2160	2316	61785fae8d45c83132ad147bd12dc902a566efdbefffd9ce982d9345c8802ea4N.exe	31
PID 2316 wrote to memory of 2160	2316	61785fae8d45c83132ad147bd12dc902a566efdbefffd9ce982d9345c8802ea4N.exe	31
PID 2316 wrote to memory of 2160	2316	61785fae8d45c83132ad147bd12dc902a566efdbefffd9ce982d9345c8802ea4N.exe	31
PID 2316 wrote to memory of 2160	2316	61785fae8d45c83132ad147bd12dc902a566efdbefffd9ce982d9345c8802ea4N.exe	31
PID 2316 wrote to memory of 2160	2316	61785fae8d45c83132ad147bd12dc902a566efdbefffd9ce982d9345c8802ea4N.exe	31
PID 2160 wrote to memory of 1200	2160	winver.exe	21
PID 2160 wrote to memory of 1112	2160	winver.exe	19
PID 2160 wrote to memory of 1172	2160	winver.exe	20
PID 2160 wrote to memory of 1200	2160	winver.exe	21
PID 2160 wrote to memory of 1196	2160	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

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\61785fae8d45c83132ad147bd12dc902a566efdbefffd9ce982d9345c8802ea4N.exe
  "C:\Users\Admin\AppData\Local\Temp\61785fae8d45c83132ad147bd12dc902a566efdbefffd9ce982d9345c8802ea4N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2316
- - 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:2160

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1196

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/1112-26-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1112-27-0x0000000077761000-0x0000000077762000-memory.dmp

Filesize
4KB

Download
memory/1172-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1172-32-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1172-31-0x0000000077761000-0x0000000077762000-memory.dmp

Filesize
4KB

Download
memory/1196-30-0x0000000077761000-0x0000000077762000-memory.dmp

Filesize
4KB

Download
memory/1196-29-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/1196-25-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

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

Filesize
24KB

Download
memory/1200-10-0x0000000077761000-0x0000000077762000-memory.dmp

Filesize
4KB

Download
memory/1200-28-0x0000000002540000-0x0000000002546000-memory.dmp

Filesize
24KB

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

Filesize
24KB

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

Filesize
24KB

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

Filesize
24KB

Download
memory/2160-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2160-33-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2160-8-0x000000007790F000-0x0000000077910000-memory.dmp

Filesize
4KB

Download
memory/2160-9-0x000000007790F000-0x0000000077911000-memory.dmp

Filesize
8KB

Download
memory/2160-11-0x0000000077710000-0x00000000778B9000-memory.dmp

Filesize
1.7MB

Download
memory/2160-7-0x0000000077910000-0x0000000077911000-memory.dmp

Filesize
4KB

Download
memory/2316-13-0x0000000001C00000-0x0000000002600000-memory.dmp

Filesize
10.0MB

Download
memory/2316-12-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2316-5-0x0000000001C00000-0x0000000002600000-memory.dmp

Filesize
10.0MB

Download
memory/2316-0-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/2316-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download