tinba | 0731a603c6a03a4deae745788e7c1dcab41eba41caff3c311bbacdc86f1569e1

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/12/2024, 04:46

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General

Target

0731a603c6a03a4deae745788e7c1dcab41eba41caff3c311bbacdc86f1569e1.exe
Size

110KB
MD5

87806df056ec8b2f8649b5bde1e0cbaa
SHA1

e2882359002da0c0f439bc3c37de755fd93ad4c7
SHA256

0731a603c6a03a4deae745788e7c1dcab41eba41caff3c311bbacdc86f1569e1
SHA512

3e7ce10f4dde4c17e3a12cfd8823f44f6d5cc70ccea500902dbe47ce7df76352acd987f103076378404b7de3ac5530d4d9d05164dca46016f2f56609eeb90850
SSDEEP

1536:OiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EA:OiyvRmDLs/ZrwWJjAqGcRJ2hA

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\2137DA73 = "C:\\Users\\Admin\\AppData\\Roaming\\2137DA73\\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/2148-0-0x0000000000400000-0x000000000041E000-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	0731a603c6a03a4deae745788e7c1dcab41eba41caff3c311bbacdc86f1569e1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe
2728	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2728	winver.exe
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 2728	2148	0731a603c6a03a4deae745788e7c1dcab41eba41caff3c311bbacdc86f1569e1.exe	32
PID 2148 wrote to memory of 2728	2148	0731a603c6a03a4deae745788e7c1dcab41eba41caff3c311bbacdc86f1569e1.exe	32
PID 2148 wrote to memory of 2728	2148	0731a603c6a03a4deae745788e7c1dcab41eba41caff3c311bbacdc86f1569e1.exe	32
PID 2148 wrote to memory of 2728	2148	0731a603c6a03a4deae745788e7c1dcab41eba41caff3c311bbacdc86f1569e1.exe	32
PID 2148 wrote to memory of 2728	2148	0731a603c6a03a4deae745788e7c1dcab41eba41caff3c311bbacdc86f1569e1.exe	32
PID 2728 wrote to memory of 1256	2728	winver.exe	21
PID 2728 wrote to memory of 1120	2728	winver.exe	19
PID 2728 wrote to memory of 1196	2728	winver.exe	20
PID 2728 wrote to memory of 1256	2728	winver.exe	21
PID 2728 wrote to memory of 860	2728	winver.exe	25

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1196

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1256
- C:\Users\Admin\AppData\Local\Temp\0731a603c6a03a4deae745788e7c1dcab41eba41caff3c311bbacdc86f1569e1.exe
  "C:\Users\Admin\AppData\Local\Temp\0731a603c6a03a4deae745788e7c1dcab41eba41caff3c311bbacdc86f1569e1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2148
- - 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:2728

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:860

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/860-27-0x0000000001E70000-0x0000000001E76000-memory.dmp

Filesize
24KB

Download
memory/860-39-0x0000000001E70000-0x0000000001E76000-memory.dmp

Filesize
24KB

Download
memory/860-34-0x0000000077A71000-0x0000000077A72000-memory.dmp

Filesize
4KB

Download
memory/860-30-0x0000000077A71000-0x0000000077A72000-memory.dmp

Filesize
4KB

Download
memory/860-32-0x0000000001E70000-0x0000000001E76000-memory.dmp

Filesize
24KB

Download
memory/860-33-0x0000000077A71000-0x0000000077A72000-memory.dmp

Filesize
4KB

Download
memory/1120-22-0x0000000077A71000-0x0000000077A72000-memory.dmp

Filesize
4KB

Download
memory/1120-28-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1120-29-0x0000000077A71000-0x0000000077A72000-memory.dmp

Filesize
4KB

Download
memory/1196-36-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1196-21-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1256-10-0x0000000077A71000-0x0000000077A72000-memory.dmp

Filesize
4KB

Download
memory/1256-3-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1256-31-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1256-4-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1256-2-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1256-25-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/2148-5-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/2148-13-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/2148-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2148-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2148-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2728-11-0x0000000077A20000-0x0000000077BC9000-memory.dmp

Filesize
1.7MB

Download
memory/2728-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2728-9-0x0000000077C1F000-0x0000000077C21000-memory.dmp

Filesize
8KB

Download
memory/2728-35-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2728-8-0x0000000077C1F000-0x0000000077C20000-memory.dmp

Filesize
4KB

Download
memory/2728-7-0x0000000077C20000-0x0000000077C21000-memory.dmp

Filesize
4KB

Download
memory/2728-41-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download