tinba | 16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
26-10-2024 18:52

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General

Target

16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801.exe
Size

110KB
MD5

171263df5f4c6155a81f82c117236fc4
SHA1

6035e4b5be33fc5553fba93de7d14e0716b0c04f
SHA256

16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801
SHA512

12f3464374716046339058217cb89ad99194a110c5811d6c27d0c3425006fc14035c1efbe807a6d645f57e96a07a20302ded65427fa74ab4b3ee395630440915
SSDEEP

1536:CiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:CiyvRmDLs/ZrwWJjAqGcRJ2hg

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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\126ADC1B = "C:\\Users\\Admin\\AppData\\Roaming\\126ADC1B\\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/2568-0-0x0000000000400000-0x000000000041E000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe
1840	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1840	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2568 wrote to memory of 1840	2568	16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801.exe	31
PID 2568 wrote to memory of 1840	2568	16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801.exe	31
PID 2568 wrote to memory of 1840	2568	16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801.exe	31
PID 2568 wrote to memory of 1840	2568	16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801.exe	31
PID 2568 wrote to memory of 1840	2568	16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801.exe	31
PID 1840 wrote to memory of 1124	1840	winver.exe	20
PID 1840 wrote to memory of 1044	1840	winver.exe	17
PID 1840 wrote to memory of 1056	1840	winver.exe	18
PID 1840 wrote to memory of 1124	1840	winver.exe	20
PID 1840 wrote to memory of 1772	1840	winver.exe	25

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1044

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1056

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1124
- C:\Users\Admin\AppData\Local\Temp\16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801.exe
  "C:\Users\Admin\AppData\Local\Temp\16795bfb2915ca8f34a4d88a3f13acb67c101cf612a76b07be560258b4c79801.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2568
- - 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:1840

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1772

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/1044-26-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/1044-25-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1056-27-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1056-19-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1124-2-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1124-4-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1124-10-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/1124-3-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1124-28-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1124-22-0x0000000002090000-0x0000000002096000-memory.dmp

Filesize
24KB

Download
memory/1772-29-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/1772-30-0x0000000077611000-0x0000000077612000-memory.dmp

Filesize
4KB

Download
memory/1772-24-0x0000000001CE0000-0x0000000001CE6000-memory.dmp

Filesize
24KB

Download
memory/1840-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1840-11-0x00000000775C0000-0x0000000077769000-memory.dmp

Filesize
1.7MB

Download
memory/1840-7-0x00000000777C0000-0x00000000777C1000-memory.dmp

Filesize
4KB

Download
memory/1840-8-0x00000000777BF000-0x00000000777C0000-memory.dmp

Filesize
4KB

Download
memory/1840-9-0x00000000777BF000-0x00000000777C1000-memory.dmp

Filesize
8KB

Download
memory/1840-31-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2568-13-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/2568-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2568-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2568-5-0x0000000001DB0000-0x00000000027B0000-memory.dmp

Filesize
10.0MB

Download
memory/2568-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download