tinba | 77c6672f9b2a69524c38d803e105a90dad9807479dde6bb6bd478d8cfe0f190e

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 10:49

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General

Target

77c6672f9b2a69524c38d803e105a90dad9807479dde6bb6bd478d8cfe0f190eN.exe
Size

110KB
MD5

1a5c7bb9310c8390be2d3f63fa4b3a00
SHA1

8db94f8aab9246c01a793a51013d937f92fceaeb
SHA256

77c6672f9b2a69524c38d803e105a90dad9807479dde6bb6bd478d8cfe0f190e
SHA512

9f7046b49f07170567afbba7c72e7a85fe6c2c5784ce2a3039bed6cbacbca3826d2e6dec079dda4805605e3252b5cbb8a883f1db7658e760ccdc5c429f9dba9d
SSDEEP

1536:/iLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:/iyvRmDLs/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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\C44EB889 = "C:\\Users\\Admin\\AppData\\Roaming\\C44EB889\\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/2544-0-0x0000000000400000-0x000000000041E000-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	77c6672f9b2a69524c38d803e105a90dad9807479dde6bb6bd478d8cfe0f190eN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe
2560	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2560	winver.exe
1164	Explorer.EXE
1164	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1164	Explorer.EXE
1164	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2544 wrote to memory of 2560	2544	77c6672f9b2a69524c38d803e105a90dad9807479dde6bb6bd478d8cfe0f190eN.exe	31
PID 2544 wrote to memory of 2560	2544	77c6672f9b2a69524c38d803e105a90dad9807479dde6bb6bd478d8cfe0f190eN.exe	31
PID 2544 wrote to memory of 2560	2544	77c6672f9b2a69524c38d803e105a90dad9807479dde6bb6bd478d8cfe0f190eN.exe	31
PID 2544 wrote to memory of 2560	2544	77c6672f9b2a69524c38d803e105a90dad9807479dde6bb6bd478d8cfe0f190eN.exe	31
PID 2544 wrote to memory of 2560	2544	77c6672f9b2a69524c38d803e105a90dad9807479dde6bb6bd478d8cfe0f190eN.exe	31
PID 2560 wrote to memory of 1164	2560	winver.exe	21
PID 2560 wrote to memory of 1048	2560	winver.exe	18
PID 2560 wrote to memory of 1124	2560	winver.exe	20
PID 2560 wrote to memory of 1164	2560	winver.exe	21
PID 2560 wrote to memory of 1948	2560	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1048

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1124

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1164
- C:\Users\Admin\AppData\Local\Temp\77c6672f9b2a69524c38d803e105a90dad9807479dde6bb6bd478d8cfe0f190eN.exe
  "C:\Users\Admin\AppData\Local\Temp\77c6672f9b2a69524c38d803e105a90dad9807479dde6bb6bd478d8cfe0f190eN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2544
- - 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:2560

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1948

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/1048-26-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1048-25-0x0000000002010000-0x0000000002016000-memory.dmp

Filesize
24KB

Download
memory/1124-28-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1124-20-0x0000000000130000-0x0000000000136000-memory.dmp

Filesize
24KB

Download
memory/1164-3-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1164-10-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/1164-2-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1164-27-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1164-4-0x0000000002E20000-0x0000000002E26000-memory.dmp

Filesize
24KB

Download
memory/1164-22-0x0000000002DC0000-0x0000000002DC6000-memory.dmp

Filesize
24KB

Download
memory/1948-29-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

Filesize
24KB

Download
memory/1948-24-0x0000000001DC0000-0x0000000001DC6000-memory.dmp

Filesize
24KB

Download
memory/1948-30-0x0000000077091000-0x0000000077092000-memory.dmp

Filesize
4KB

Download
memory/2544-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2544-13-0x0000000001D20000-0x0000000002720000-memory.dmp

Filesize
10.0MB

Download
memory/2544-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2544-5-0x0000000001D20000-0x0000000002720000-memory.dmp

Filesize
10.0MB

Download
memory/2544-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2560-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2560-7-0x0000000077240000-0x0000000077241000-memory.dmp

Filesize
4KB

Download
memory/2560-8-0x000000007723F000-0x0000000077240000-memory.dmp

Filesize
4KB

Download
memory/2560-9-0x000000007723F000-0x0000000077241000-memory.dmp

Filesize
8KB

Download
memory/2560-11-0x0000000077040000-0x00000000771E9000-memory.dmp

Filesize
1.7MB

Download
memory/2560-31-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download