tinba | 922d0e13d0e1e6c0169885bebb00ff36e05227ca4d9783e572ee1b419cc36ef1

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 22:02

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General

Target

922d0e13d0e1e6c0169885bebb00ff36e05227ca4d9783e572ee1b419cc36ef1.exe
Size

110KB
MD5

02f9670925e7d13ad6409022574a086d
SHA1

2533d423f4614801fe25c08bde2a11c244ed9a92
SHA256

922d0e13d0e1e6c0169885bebb00ff36e05227ca4d9783e572ee1b419cc36ef1
SHA512

7445eeaa83a8cdb6216ae69ba671a8b1e830d9a76fde872577ab77baf347feca5779fc18dd88472e88de62a0166e6eed31b307f18dc363c775cc19354950f4b6
SSDEEP

1536:uiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Ew:uiyvRmDLs/ZrwWJjAqGcRJ2hw

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\BA05932C = "C:\\Users\\Admin\\AppData\\Roaming\\BA05932C\\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/316-0-0x0000000000400000-0x000000000041E000-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	922d0e13d0e1e6c0169885bebb00ff36e05227ca4d9783e572ee1b419cc36ef1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe
2128	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2128	winver.exe
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1204	Explorer.EXE
1204	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 316 wrote to memory of 2128	316	922d0e13d0e1e6c0169885bebb00ff36e05227ca4d9783e572ee1b419cc36ef1.exe	31
PID 316 wrote to memory of 2128	316	922d0e13d0e1e6c0169885bebb00ff36e05227ca4d9783e572ee1b419cc36ef1.exe	31
PID 316 wrote to memory of 2128	316	922d0e13d0e1e6c0169885bebb00ff36e05227ca4d9783e572ee1b419cc36ef1.exe	31
PID 316 wrote to memory of 2128	316	922d0e13d0e1e6c0169885bebb00ff36e05227ca4d9783e572ee1b419cc36ef1.exe	31
PID 316 wrote to memory of 2128	316	922d0e13d0e1e6c0169885bebb00ff36e05227ca4d9783e572ee1b419cc36ef1.exe	31
PID 2128 wrote to memory of 1204	2128	winver.exe	21
PID 2128 wrote to memory of 1116	2128	winver.exe	19
PID 2128 wrote to memory of 1168	2128	winver.exe	20
PID 2128 wrote to memory of 1204	2128	winver.exe	21
PID 2128 wrote to memory of 1668	2128	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1204
- C:\Users\Admin\AppData\Local\Temp\922d0e13d0e1e6c0169885bebb00ff36e05227ca4d9783e572ee1b419cc36ef1.exe
  "C:\Users\Admin\AppData\Local\Temp\922d0e13d0e1e6c0169885bebb00ff36e05227ca4d9783e572ee1b419cc36ef1.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:316
- - 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:2128

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1668

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/316-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/316-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/316-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/316-5-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/316-13-0x0000000001CE0000-0x00000000026E0000-memory.dmp

Filesize
10.0MB

Download
memory/1116-25-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/1116-26-0x0000000077C21000-0x0000000077C22000-memory.dmp

Filesize
4KB

Download
memory/1168-29-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1168-19-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1168-28-0x0000000077C21000-0x0000000077C22000-memory.dmp

Filesize
4KB

Download
memory/1204-2-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1204-21-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1204-10-0x0000000077C21000-0x0000000077C22000-memory.dmp

Filesize
4KB

Download
memory/1204-4-0x00000000025A0000-0x00000000025A6000-memory.dmp

Filesize
24KB

Download
memory/1204-24-0x00000000024F0000-0x00000000024F6000-memory.dmp

Filesize
24KB

Download
memory/1668-31-0x0000000077C21000-0x0000000077C22000-memory.dmp

Filesize
4KB

Download
memory/1668-30-0x0000000001E30000-0x0000000001E36000-memory.dmp

Filesize
24KB

Download
memory/1668-23-0x0000000001E30000-0x0000000001E36000-memory.dmp

Filesize
24KB

Download
memory/2128-9-0x0000000077DCF000-0x0000000077DD1000-memory.dmp

Filesize
8KB

Download
memory/2128-27-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2128-11-0x0000000077BD0000-0x0000000077D79000-memory.dmp

Filesize
1.7MB

Download
memory/2128-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2128-7-0x0000000077DD0000-0x0000000077DD1000-memory.dmp

Filesize
4KB

Download
memory/2128-8-0x0000000077DCF000-0x0000000077DD0000-memory.dmp

Filesize
4KB

Download