tinba | b809980a4d1c1332ebe42fde640b491ce28d3ca13e4d19322173849530cda055

Analysis

max time kernel
118s
max time network
116s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08/11/2024, 20:45

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General

Target

b809980a4d1c1332ebe42fde640b491ce28d3ca13e4d19322173849530cda055N.exe
Size

89KB
MD5

c15e36b599f9ebc06fb6acbad75f9660
SHA1

eadbe3c2b58dfd39edc7764ceb18131210d97267
SHA256

b809980a4d1c1332ebe42fde640b491ce28d3ca13e4d19322173849530cda055
SHA512

da64d4ea7370397ae53ef7aeeaa1976a7d2b3baae959fb51669bf54c208fd7fd2eec9290eea76f26ee592d328031b186c4f62c68ae6f35fe90645a25c6d4d062
SSDEEP

1536:11+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:H+4MJIkLZJNAQ9Jo9e

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\476CD91E = "C:\\Users\\Admin\\AppData\\Roaming\\476CD91E\\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/2696-0-0x0000000000400000-0x0000000000418000-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	b809980a4d1c1332ebe42fde640b491ce28d3ca13e4d19322173849530cda055N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe
2820	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2820	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 2820	2696	b809980a4d1c1332ebe42fde640b491ce28d3ca13e4d19322173849530cda055N.exe	31
PID 2696 wrote to memory of 2820	2696	b809980a4d1c1332ebe42fde640b491ce28d3ca13e4d19322173849530cda055N.exe	31
PID 2696 wrote to memory of 2820	2696	b809980a4d1c1332ebe42fde640b491ce28d3ca13e4d19322173849530cda055N.exe	31
PID 2696 wrote to memory of 2820	2696	b809980a4d1c1332ebe42fde640b491ce28d3ca13e4d19322173849530cda055N.exe	31
PID 2696 wrote to memory of 2820	2696	b809980a4d1c1332ebe42fde640b491ce28d3ca13e4d19322173849530cda055N.exe	31
PID 2820 wrote to memory of 1164	2820	winver.exe	21
PID 2820 wrote to memory of 1052	2820	winver.exe	18
PID 2820 wrote to memory of 1140	2820	winver.exe	20
PID 2820 wrote to memory of 1164	2820	winver.exe	21
PID 2820 wrote to memory of 2004	2820	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1052

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1140

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1164
- C:\Users\Admin\AppData\Local\Temp\b809980a4d1c1332ebe42fde640b491ce28d3ca13e4d19322173849530cda055N.exe
  "C:\Users\Admin\AppData\Local\Temp\b809980a4d1c1332ebe42fde640b491ce28d3ca13e4d19322173849530cda055N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2696
- - 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:2820

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2004

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/1052-20-0x0000000000220000-0x0000000000226000-memory.dmp

Filesize
24KB

Download
memory/1052-22-0x0000000077311000-0x0000000077312000-memory.dmp

Filesize
4KB

Download
memory/1140-31-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1140-21-0x0000000001EB0000-0x0000000001EB6000-memory.dmp

Filesize
24KB

Download
memory/1164-3-0x0000000002CD0000-0x0000000002CD6000-memory.dmp

Filesize
24KB

Download
memory/1164-28-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/1164-4-0x0000000002CD0000-0x0000000002CD6000-memory.dmp

Filesize
24KB

Download
memory/1164-10-0x0000000077311000-0x0000000077312000-memory.dmp

Filesize
4KB

Download
memory/1164-2-0x0000000002CD0000-0x0000000002CD6000-memory.dmp

Filesize
24KB

Download
memory/1164-24-0x00000000025B0000-0x00000000025B6000-memory.dmp

Filesize
24KB

Download
memory/2004-30-0x0000000077311000-0x0000000077312000-memory.dmp

Filesize
4KB

Download
memory/2004-29-0x0000000001FC0000-0x0000000001FC6000-memory.dmp

Filesize
24KB

Download
memory/2004-27-0x0000000001FC0000-0x0000000001FC6000-memory.dmp

Filesize
24KB

Download
memory/2696-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2696-13-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/2696-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2696-5-0x0000000001D60000-0x0000000002760000-memory.dmp

Filesize
10.0MB

Download
memory/2696-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2820-11-0x00000000772C0000-0x0000000077469000-memory.dmp

Filesize
1.7MB

Download
memory/2820-9-0x00000000774BF000-0x00000000774C1000-memory.dmp

Filesize
8KB

Download
memory/2820-8-0x00000000774BF000-0x00000000774C0000-memory.dmp

Filesize
4KB

Download
memory/2820-7-0x00000000774C0000-0x00000000774C1000-memory.dmp

Filesize
4KB

Download
memory/2820-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2820-36-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download