tinba | 5b4e7fac0f183de47e375b28895fba563a8d5bbc3e21104e7e68b26a852cd18d

Analysis

max time kernel
150s
max time network
154s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22-10-2024 16:27

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General

Target

5b4e7fac0f183de47e375b28895fba563a8d5bbc3e21104e7e68b26a852cd18dN.exe
Size

89KB
MD5

7fd8d0ec77dd1bf4a3544fd4c0fa54a0
SHA1

fd8b43fa43690c6a5b5235a0534c37f70e1f96fa
SHA256

5b4e7fac0f183de47e375b28895fba563a8d5bbc3e21104e7e68b26a852cd18d
SHA512

c7aac66ac77c8485f08373ec199c7bcd5fb7ebf6345c1cd4aad52c377739e1504fdc3b7bb86540c693ef99ef8ece278fcf67ecb3e072ac6aad5e8671078c36b0
SSDEEP

1536:R1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:7+4MJIkLZJNAQ9Jo9e

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

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\092A1722 = "C:\\Users\\Admin\\AppData\\Roaming\\092A1722\\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/2496-0-0x0000000000400000-0x0000000000418000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5b4e7fac0f183de47e375b28895fba563a8d5bbc3e21104e7e68b26a852cd18dN.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe
2844	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2844	winver.exe
1188	Explorer.EXE
1188	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1188	Explorer.EXE
1188	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 2844	2496	5b4e7fac0f183de47e375b28895fba563a8d5bbc3e21104e7e68b26a852cd18dN.exe	31
PID 2496 wrote to memory of 2844	2496	5b4e7fac0f183de47e375b28895fba563a8d5bbc3e21104e7e68b26a852cd18dN.exe	31
PID 2496 wrote to memory of 2844	2496	5b4e7fac0f183de47e375b28895fba563a8d5bbc3e21104e7e68b26a852cd18dN.exe	31
PID 2496 wrote to memory of 2844	2496	5b4e7fac0f183de47e375b28895fba563a8d5bbc3e21104e7e68b26a852cd18dN.exe	31
PID 2496 wrote to memory of 2844	2496	5b4e7fac0f183de47e375b28895fba563a8d5bbc3e21104e7e68b26a852cd18dN.exe	31
PID 2844 wrote to memory of 1188	2844	winver.exe	21
PID 2844 wrote to memory of 1092	2844	winver.exe	19
PID 2844 wrote to memory of 1160	2844	winver.exe	20
PID 2844 wrote to memory of 1188	2844	winver.exe	21
PID 2844 wrote to memory of 1556	2844	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1092

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1188
- C:\Users\Admin\AppData\Local\Temp\5b4e7fac0f183de47e375b28895fba563a8d5bbc3e21104e7e68b26a852cd18dN.exe
  "C:\Users\Admin\AppData\Local\Temp\5b4e7fac0f183de47e375b28895fba563a8d5bbc3e21104e7e68b26a852cd18dN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2496
- - 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:2844

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1556

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/1092-26-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1092-27-0x0000000077CC1000-0x0000000077CC2000-memory.dmp

Filesize
4KB

Download
memory/1160-30-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1160-21-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1188-3-0x0000000002B10000-0x0000000002B16000-memory.dmp

Filesize
24KB

Download
memory/1188-2-0x0000000002B10000-0x0000000002B16000-memory.dmp

Filesize
24KB

Download
memory/1188-4-0x0000000002B10000-0x0000000002B16000-memory.dmp

Filesize
24KB

Download
memory/1188-10-0x0000000077CC1000-0x0000000077CC2000-memory.dmp

Filesize
4KB

Download
memory/1188-31-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/1188-23-0x0000000002200000-0x0000000002206000-memory.dmp

Filesize
24KB

Download
memory/1556-28-0x0000000001C20000-0x0000000001C26000-memory.dmp

Filesize
24KB

Download
memory/1556-29-0x0000000077CC1000-0x0000000077CC2000-memory.dmp

Filesize
4KB

Download
memory/1556-25-0x0000000001C20000-0x0000000001C26000-memory.dmp

Filesize
24KB

Download
memory/2496-13-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2496-14-0x0000000001C50000-0x0000000002650000-memory.dmp

Filesize
10.0MB

Download
memory/2496-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2496-5-0x0000000001C50000-0x0000000002650000-memory.dmp

Filesize
10.0MB

Download
memory/2496-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2844-6-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2844-7-0x0000000077E70000-0x0000000077E71000-memory.dmp

Filesize
4KB

Download
memory/2844-8-0x0000000077E6F000-0x0000000077E70000-memory.dmp

Filesize
4KB

Download
memory/2844-9-0x0000000077E6F000-0x0000000077E71000-memory.dmp

Filesize
8KB

Download
memory/2844-11-0x0000000077C70000-0x0000000077E19000-memory.dmp

Filesize
1.7MB

Download
memory/2844-32-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2844-37-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download