tinba | 75b1c102f2ec15657cc319d8a7bfda51d001515c8735a7667ac8da1092c8a63b

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 07:19

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General

Target

75b1c102f2ec15657cc319d8a7bfda51d001515c8735a7667ac8da1092c8a63bN.exe
Size

160KB
MD5

fbb3d5de847f5c4f8ef6cc418721c000
SHA1

1848e13dd74c529e374315b512f06d28dc723546
SHA256

75b1c102f2ec15657cc319d8a7bfda51d001515c8735a7667ac8da1092c8a63b
SHA512

c84a02f2850f025aed10651695790e0d2e7043d14bdabfcd4ff15a78cc8ae83f6182da7817f17dc0ab6b9066905a766d5495fd3dc713958130b9846490836db7
SSDEEP

1536:gEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:TY+4MiIkLZJNAQ9J6v

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\7BBBF7DF = "C:\\Users\\Admin\\AppData\\Roaming\\7BBBF7DF\\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/2336-0-0x0000000000400000-0x0000000000428000-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	75b1c102f2ec15657cc319d8a7bfda51d001515c8735a7667ac8da1092c8a63bN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe
1636	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1636	winver.exe
1168	Explorer.EXE
1168	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1168	Explorer.EXE
1168	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2336 wrote to memory of 1636	2336	75b1c102f2ec15657cc319d8a7bfda51d001515c8735a7667ac8da1092c8a63bN.exe	32
PID 2336 wrote to memory of 1636	2336	75b1c102f2ec15657cc319d8a7bfda51d001515c8735a7667ac8da1092c8a63bN.exe	32
PID 2336 wrote to memory of 1636	2336	75b1c102f2ec15657cc319d8a7bfda51d001515c8735a7667ac8da1092c8a63bN.exe	32
PID 2336 wrote to memory of 1636	2336	75b1c102f2ec15657cc319d8a7bfda51d001515c8735a7667ac8da1092c8a63bN.exe	32
PID 2336 wrote to memory of 1636	2336	75b1c102f2ec15657cc319d8a7bfda51d001515c8735a7667ac8da1092c8a63bN.exe	32
PID 1636 wrote to memory of 1168	1636	winver.exe	21
PID 1636 wrote to memory of 1048	1636	winver.exe	18
PID 1636 wrote to memory of 1120	1636	winver.exe	20
PID 1636 wrote to memory of 1168	1636	winver.exe	21
PID 1636 wrote to memory of 1984	1636	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1048

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1120

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1168
- C:\Users\Admin\AppData\Local\Temp\75b1c102f2ec15657cc319d8a7bfda51d001515c8735a7667ac8da1092c8a63bN.exe
  "C:\Users\Admin\AppData\Local\Temp\75b1c102f2ec15657cc319d8a7bfda51d001515c8735a7667ac8da1092c8a63bN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2336
- - 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:1636

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1984

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/1048-36-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1048-27-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/1120-21-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1120-28-0x0000000077A31000-0x0000000077A32000-memory.dmp

Filesize
4KB

Download
memory/1120-30-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1168-4-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1168-10-0x0000000077A31000-0x0000000077A32000-memory.dmp

Filesize
4KB

Download
memory/1168-2-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1168-3-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1168-26-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1168-23-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1636-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1636-11-0x00000000779E0000-0x0000000077B89000-memory.dmp

Filesize
1.7MB

Download
memory/1636-9-0x0000000077BDF000-0x0000000077BE1000-memory.dmp

Filesize
8KB

Download
memory/1636-8-0x0000000077BDF000-0x0000000077BE0000-memory.dmp

Filesize
4KB

Download
memory/1636-7-0x0000000077BE0000-0x0000000077BE1000-memory.dmp

Filesize
4KB

Download
memory/1636-29-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1984-32-0x0000000077A31000-0x0000000077A32000-memory.dmp

Filesize
4KB

Download
memory/1984-31-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1984-25-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/2336-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2336-13-0x0000000001CF0000-0x00000000026F0000-memory.dmp

Filesize
10.0MB

Download
memory/2336-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/2336-5-0x0000000001CF0000-0x00000000026F0000-memory.dmp

Filesize
10.0MB

Download
memory/2336-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download