tinba | 5dbac8087e1a9a993293737054220a4df7936cf96b171bb23e90a223a33ccc00

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/01/2025, 16:21

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General

Target

5dbac8087e1a9a993293737054220a4df7936cf96b171bb23e90a223a33ccc00.exe
Size

110KB
MD5

018d064cd8e33d00ae107d077a380667
SHA1

163c995f97f7c4a70500b0e5a9e792df0991d469
SHA256

5dbac8087e1a9a993293737054220a4df7936cf96b171bb23e90a223a33ccc00
SHA512

d3a7f4fc95a313cc83ee6c1450aba9d3797c6ccae4e039f6a88ff538fcd220ed2abca98a1ff94f54623b0ec3c683ee95396baa551cd4d7ea95692ba04132a1d8
SSDEEP

1536:5iLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0EQ:5iyvRmDLs/ZrwWJjAqGcRJ2hQ

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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\3088460C = "C:\\Users\\Admin\\AppData\\Roaming\\3088460C\\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/2360-0-0x0000000000400000-0x000000000041E000-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	5dbac8087e1a9a993293737054220a4df7936cf96b171bb23e90a223a33ccc00.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe
2696	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2696	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 2696	2360	5dbac8087e1a9a993293737054220a4df7936cf96b171bb23e90a223a33ccc00.exe	31
PID 2360 wrote to memory of 2696	2360	5dbac8087e1a9a993293737054220a4df7936cf96b171bb23e90a223a33ccc00.exe	31
PID 2360 wrote to memory of 2696	2360	5dbac8087e1a9a993293737054220a4df7936cf96b171bb23e90a223a33ccc00.exe	31
PID 2360 wrote to memory of 2696	2360	5dbac8087e1a9a993293737054220a4df7936cf96b171bb23e90a223a33ccc00.exe	31
PID 2360 wrote to memory of 2696	2360	5dbac8087e1a9a993293737054220a4df7936cf96b171bb23e90a223a33ccc00.exe	31
PID 2696 wrote to memory of 1200	2696	winver.exe	21
PID 2696 wrote to memory of 1116	2696	winver.exe	19
PID 2696 wrote to memory of 1172	2696	winver.exe	20
PID 2696 wrote to memory of 1200	2696	winver.exe	21
PID 2696 wrote to memory of 896	2696	winver.exe	23

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

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1172

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\5dbac8087e1a9a993293737054220a4df7936cf96b171bb23e90a223a33ccc00.exe
  "C:\Users\Admin\AppData\Local\Temp\5dbac8087e1a9a993293737054220a4df7936cf96b171bb23e90a223a33ccc00.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2360
- - 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:2696

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:896

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/896-24-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/896-31-0x0000000077561000-0x0000000077562000-memory.dmp

Filesize
4KB

Download
memory/896-30-0x0000000001F30000-0x0000000001F36000-memory.dmp

Filesize
24KB

Download
memory/1116-25-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/1116-26-0x0000000077561000-0x0000000077562000-memory.dmp

Filesize
4KB

Download
memory/1172-28-0x0000000077561000-0x0000000077562000-memory.dmp

Filesize
4KB

Download
memory/1172-27-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1172-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1172-35-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1200-4-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x0000000077561000-0x0000000077562000-memory.dmp

Filesize
4KB

Download
memory/1200-22-0x0000000002130000-0x0000000002136000-memory.dmp

Filesize
24KB

Download
memory/1200-29-0x0000000002130000-0x0000000002136000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/2360-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2360-13-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/2360-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2360-5-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/2360-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2696-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/2696-7-0x0000000077710000-0x0000000077711000-memory.dmp

Filesize
4KB

Download
memory/2696-8-0x000000007770F000-0x0000000077710000-memory.dmp

Filesize
4KB

Download
memory/2696-9-0x000000007770F000-0x0000000077711000-memory.dmp

Filesize
8KB

Download
memory/2696-11-0x0000000077510000-0x00000000776B9000-memory.dmp

Filesize
1.7MB

Download
memory/2696-32-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download