tinba | de79b129ccffbaf637ce7af93feba7c748d13997f997e1977b244ab04a075a76

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
10-12-2024 01:39

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General

Target

de79b129ccffbaf637ce7af93feba7c748d13997f997e1977b244ab04a075a76.exe
Size

89KB
MD5

ac5a7993402082d01fd8b06e43930519
SHA1

88c4bdbfaedd4032da912caef6f3ea0035382518
SHA256

de79b129ccffbaf637ce7af93feba7c748d13997f997e1977b244ab04a075a76
SHA512

47c9bad8403672040f23e7919f24fe1fd1d39e1f90c59de28d01c773e23feb753100cfebdc58002ce8aef3d267c0ed2e23f4a545f2242bfb6664fb222c9df676
SSDEEP

1536:N1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7u:P+4MJIkLZJNAQ9Jo9u

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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\6C70AA5A = "C:\\Users\\Admin\\AppData\\Roaming\\6C70AA5A\\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/2828-0-0x0000000000400000-0x0000000000418000-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	de79b129ccffbaf637ce7af93feba7c748d13997f997e1977b244ab04a075a76.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe
2984	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2984	winver.exe
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1192	Explorer.EXE
1192	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2828 wrote to memory of 2984	2828	de79b129ccffbaf637ce7af93feba7c748d13997f997e1977b244ab04a075a76.exe	31
PID 2828 wrote to memory of 2984	2828	de79b129ccffbaf637ce7af93feba7c748d13997f997e1977b244ab04a075a76.exe	31
PID 2828 wrote to memory of 2984	2828	de79b129ccffbaf637ce7af93feba7c748d13997f997e1977b244ab04a075a76.exe	31
PID 2828 wrote to memory of 2984	2828	de79b129ccffbaf637ce7af93feba7c748d13997f997e1977b244ab04a075a76.exe	31
PID 2828 wrote to memory of 2984	2828	de79b129ccffbaf637ce7af93feba7c748d13997f997e1977b244ab04a075a76.exe	31
PID 2984 wrote to memory of 1192	2984	winver.exe	21
PID 2984 wrote to memory of 1096	2984	winver.exe	19
PID 2984 wrote to memory of 1160	2984	winver.exe	20
PID 2984 wrote to memory of 1192	2984	winver.exe	21
PID 2984 wrote to memory of 1668	2984	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1096

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1160

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1192
- C:\Users\Admin\AppData\Local\Temp\de79b129ccffbaf637ce7af93feba7c748d13997f997e1977b244ab04a075a76.exe
  "C:\Users\Admin\AppData\Local\Temp\de79b129ccffbaf637ce7af93feba7c748d13997f997e1977b244ab04a075a76.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2828
- - 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:2984

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1668

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/1096-28-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

Filesize
24KB

Download
memory/1096-29-0x00000000770D1000-0x00000000770D2000-memory.dmp

Filesize
4KB

Download
memory/1160-31-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1160-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1192-3-0x0000000002620000-0x0000000002626000-memory.dmp

Filesize
24KB

Download
memory/1192-10-0x00000000770D1000-0x00000000770D2000-memory.dmp

Filesize
4KB

Download
memory/1192-2-0x0000000002620000-0x0000000002626000-memory.dmp

Filesize
24KB

Download
memory/1192-4-0x0000000002620000-0x0000000002626000-memory.dmp

Filesize
24KB

Download
memory/1192-22-0x00000000020C0000-0x00000000020C6000-memory.dmp

Filesize
24KB

Download
memory/1192-25-0x00000000020C0000-0x00000000020C6000-memory.dmp

Filesize
24KB

Download
memory/1668-24-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1668-27-0x00000000770D1000-0x00000000770D2000-memory.dmp

Filesize
4KB

Download
memory/1668-26-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/2828-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2828-13-0x0000000001D30000-0x0000000002730000-memory.dmp

Filesize
10.0MB

Download
memory/2828-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2828-5-0x0000000001D30000-0x0000000002730000-memory.dmp

Filesize
10.0MB

Download
memory/2828-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2984-6-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2984-7-0x0000000077280000-0x0000000077281000-memory.dmp

Filesize
4KB

Download
memory/2984-30-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/2984-8-0x000000007727F000-0x0000000077280000-memory.dmp

Filesize
4KB

Download
memory/2984-9-0x000000007727F000-0x0000000077281000-memory.dmp

Filesize
8KB

Download
memory/2984-11-0x0000000077080000-0x0000000077229000-memory.dmp

Filesize
1.7MB

Download