tinba | 9b51d822edb574fd8a428a1484581ee37f06c7fce704805fe6524d3023f7319b

Analysis

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

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
27-11-2024 11:50

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General

Target

9b51d822edb574fd8a428a1484581ee37f06c7fce704805fe6524d3023f7319b.exe
Size

88KB
MD5

26ca197489bf80fc60cd72219fca069b
SHA1

ceccf5aca72c71d944b240830444afeb2eafdf5a
SHA256

9b51d822edb574fd8a428a1484581ee37f06c7fce704805fe6524d3023f7319b
SHA512

dad8ca055917b72c541594eec7cff36b12363b3f99f79c53b64e8ff0c8593e9af5f97d35cf24e1e7b1a45f6959213421624805af73c62591c8993fcbd8dcf95e
SSDEEP

1536:ez44CpRkr9DXhHf3aOd/56RrkQqjh+rmKVsNB:ezvokZR/KM/ysjwqWsNB

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\08B15C16 = "C:\\Users\\Admin\\AppData\\Roaming\\08B15C16\\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	9b51d822edb574fd8a428a1484581ee37f06c7fce704805fe6524d3023f7319b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe
2224	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2224	winver.exe
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1212	Explorer.EXE
1212	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 2224	1804	9b51d822edb574fd8a428a1484581ee37f06c7fce704805fe6524d3023f7319b.exe	31
PID 1804 wrote to memory of 2224	1804	9b51d822edb574fd8a428a1484581ee37f06c7fce704805fe6524d3023f7319b.exe	31
PID 1804 wrote to memory of 2224	1804	9b51d822edb574fd8a428a1484581ee37f06c7fce704805fe6524d3023f7319b.exe	31
PID 1804 wrote to memory of 2224	1804	9b51d822edb574fd8a428a1484581ee37f06c7fce704805fe6524d3023f7319b.exe	31
PID 1804 wrote to memory of 2224	1804	9b51d822edb574fd8a428a1484581ee37f06c7fce704805fe6524d3023f7319b.exe	31
PID 2224 wrote to memory of 1212	2224	winver.exe	21
PID 2224 wrote to memory of 1124	2224	winver.exe	19
PID 2224 wrote to memory of 1176	2224	winver.exe	20
PID 2224 wrote to memory of 1212	2224	winver.exe	21
PID 2224 wrote to memory of 828	2224	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1124

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1212
- C:\Users\Admin\AppData\Local\Temp\9b51d822edb574fd8a428a1484581ee37f06c7fce704805fe6524d3023f7319b.exe
  "C:\Users\Admin\AppData\Local\Temp\9b51d822edb574fd8a428a1484581ee37f06c7fce704805fe6524d3023f7319b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1804
- - 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:2224

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:828

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/828-23-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/828-26-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/828-27-0x0000000077A51000-0x0000000077A52000-memory.dmp

Filesize
4KB

Download
memory/1124-25-0x0000000077A51000-0x0000000077A52000-memory.dmp

Filesize
4KB

Download
memory/1124-24-0x0000000002170000-0x0000000002176000-memory.dmp

Filesize
24KB

Download
memory/1176-19-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1176-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1212-1-0x0000000002B60000-0x0000000002B66000-memory.dmp

Filesize
24KB

Download
memory/1212-21-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/1212-9-0x0000000077A51000-0x0000000077A52000-memory.dmp

Filesize
4KB

Download
memory/1212-2-0x0000000002B60000-0x0000000002B66000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002B60000-0x0000000002B66000-memory.dmp

Filesize
24KB

Download
memory/1212-29-0x0000000002100000-0x0000000002106000-memory.dmp

Filesize
24KB

Download
memory/1804-4-0x0000000001D20000-0x0000000002720000-memory.dmp

Filesize
10.0MB

Download
memory/1804-12-0x0000000001D20000-0x0000000002720000-memory.dmp

Filesize
10.0MB

Download
memory/1804-11-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1804-0-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2224-10-0x0000000077A00000-0x0000000077BA9000-memory.dmp

Filesize
1.7MB

Download
memory/2224-5-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2224-6-0x0000000077C00000-0x0000000077C01000-memory.dmp

Filesize
4KB

Download
memory/2224-7-0x0000000077BFF000-0x0000000077C00000-memory.dmp

Filesize
4KB

Download
memory/2224-8-0x0000000077BFF000-0x0000000077C01000-memory.dmp

Filesize
8KB

Download
memory/2224-30-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download