tinba | a13b975b0415d3e9083cec71d6727859a1c2816a1d289be05f9a3f2a2e962c09

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06-12-2024 20:46

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General

Target

a13b975b0415d3e9083cec71d6727859a1c2816a1d289be05f9a3f2a2e962c09N.exe
Size

160KB
MD5

e646df836ef45f4238471451c3cfffd0
SHA1

da1760eddb0240acde196e91b8634a7027c49091
SHA256

a13b975b0415d3e9083cec71d6727859a1c2816a1d289be05f9a3f2a2e962c09
SHA512

062805b13416b874be0235225c5ceb4f0361a2391cc842d6b91a2c67b7bc709511ba72d6e06fcf208c61b94edbd60c0c8e766313ec3712a9e83a7482ad43de7b
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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\F2CFC1AE = "C:\\Users\\Admin\\AppData\\Roaming\\F2CFC1AE\\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/1908-0-0x0000000000400000-0x0000000000428000-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	a13b975b0415d3e9083cec71d6727859a1c2816a1d289be05f9a3f2a2e962c09N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe
2688	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2688	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1908 wrote to memory of 2688	1908	a13b975b0415d3e9083cec71d6727859a1c2816a1d289be05f9a3f2a2e962c09N.exe	31
PID 1908 wrote to memory of 2688	1908	a13b975b0415d3e9083cec71d6727859a1c2816a1d289be05f9a3f2a2e962c09N.exe	31
PID 1908 wrote to memory of 2688	1908	a13b975b0415d3e9083cec71d6727859a1c2816a1d289be05f9a3f2a2e962c09N.exe	31
PID 1908 wrote to memory of 2688	1908	a13b975b0415d3e9083cec71d6727859a1c2816a1d289be05f9a3f2a2e962c09N.exe	31
PID 1908 wrote to memory of 2688	1908	a13b975b0415d3e9083cec71d6727859a1c2816a1d289be05f9a3f2a2e962c09N.exe	31
PID 2688 wrote to memory of 1204	2688	winver.exe	21
PID 2688 wrote to memory of 1112	2688	winver.exe	19
PID 2688 wrote to memory of 1164	2688	winver.exe	20
PID 2688 wrote to memory of 1204	2688	winver.exe	21
PID 2688 wrote to memory of 1656	2688	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1112

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1164

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1204
- C:\Users\Admin\AppData\Local\Temp\a13b975b0415d3e9083cec71d6727859a1c2816a1d289be05f9a3f2a2e962c09N.exe
  "C:\Users\Admin\AppData\Local\Temp\a13b975b0415d3e9083cec71d6727859a1c2816a1d289be05f9a3f2a2e962c09N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1908
- - 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:2688

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1656

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/1112-27-0x00000000001A0000-0x00000000001A6000-memory.dmp

Filesize
24KB

Download
memory/1112-28-0x00000000775E1000-0x00000000775E2000-memory.dmp

Filesize
4KB

Download
memory/1164-29-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1164-21-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1204-23-0x0000000002970000-0x0000000002976000-memory.dmp

Filesize
24KB

Download
memory/1204-26-0x0000000002970000-0x0000000002976000-memory.dmp

Filesize
24KB

Download
memory/1204-3-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1204-4-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1204-2-0x0000000002E30000-0x0000000002E36000-memory.dmp

Filesize
24KB

Download
memory/1204-10-0x00000000775E1000-0x00000000775E2000-memory.dmp

Filesize
4KB

Download
memory/1656-30-0x0000000002460000-0x0000000002466000-memory.dmp

Filesize
24KB

Download
memory/1656-31-0x00000000775E1000-0x00000000775E2000-memory.dmp

Filesize
4KB

Download
memory/1656-25-0x0000000002460000-0x0000000002466000-memory.dmp

Filesize
24KB

Download
memory/1908-13-0x0000000001BF0000-0x00000000025F0000-memory.dmp

Filesize
10.0MB

Download
memory/1908-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1908-5-0x0000000001BF0000-0x00000000025F0000-memory.dmp

Filesize
10.0MB

Download
memory/1908-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/1908-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2688-6-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download
memory/2688-7-0x0000000077790000-0x0000000077791000-memory.dmp

Filesize
4KB

Download
memory/2688-8-0x000000007778F000-0x0000000077790000-memory.dmp

Filesize
4KB

Download
memory/2688-9-0x000000007778F000-0x0000000077791000-memory.dmp

Filesize
8KB

Download
memory/2688-11-0x0000000077590000-0x0000000077739000-memory.dmp

Filesize
1.7MB

Download
memory/2688-32-0x00000000000F0000-0x00000000000F6000-memory.dmp

Filesize
24KB

Download