tinba | 9fed89f3e07b9b3e64084732512a266ed5578b7f70798ad09ae6b598774b1f01

Analysis

max time kernel
119s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-09-2024 05:27

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General

Target

9fed89f3e07b9b3e64084732512a266ed5578b7f70798ad09ae6b598774b1f01N.exe
Size

110KB
MD5

8fb53e1bee5245dc46c66363b8863570
SHA1

5c760d9e6dd5396374bebab6b944b8018c26cca8
SHA256

9fed89f3e07b9b3e64084732512a266ed5578b7f70798ad09ae6b598774b1f01
SHA512

3f3210566e0be969dabf7ba02bbac1b8355bbb6b6181fea7334ecbac53c9aaf58cd3edbc3a62ff23a694347a297d79118073150003157060ec0edf183353186b
SSDEEP

1536:eiLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:eiyvRmDLs/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

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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\1DD74DD9 = "C:\\Users\\Admin\\AppData\\Roaming\\1DD74DD9\\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/2084-0-0x0000000000400000-0x000000000041E000-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	9fed89f3e07b9b3e64084732512a266ed5578b7f70798ad09ae6b598774b1f01N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe
2012	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2012	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 2012	2084	9fed89f3e07b9b3e64084732512a266ed5578b7f70798ad09ae6b598774b1f01N.exe	32
PID 2084 wrote to memory of 2012	2084	9fed89f3e07b9b3e64084732512a266ed5578b7f70798ad09ae6b598774b1f01N.exe	32
PID 2084 wrote to memory of 2012	2084	9fed89f3e07b9b3e64084732512a266ed5578b7f70798ad09ae6b598774b1f01N.exe	32
PID 2084 wrote to memory of 2012	2084	9fed89f3e07b9b3e64084732512a266ed5578b7f70798ad09ae6b598774b1f01N.exe	32
PID 2084 wrote to memory of 2012	2084	9fed89f3e07b9b3e64084732512a266ed5578b7f70798ad09ae6b598774b1f01N.exe	32
PID 2012 wrote to memory of 1216	2012	winver.exe	21
PID 2012 wrote to memory of 1108	2012	winver.exe	19
PID 2012 wrote to memory of 1176	2012	winver.exe	20
PID 2012 wrote to memory of 1216	2012	winver.exe	21
PID 2012 wrote to memory of 2016	2012	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1108

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1176

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1216
- C:\Users\Admin\AppData\Local\Temp\9fed89f3e07b9b3e64084732512a266ed5578b7f70798ad09ae6b598774b1f01N.exe
  "C:\Users\Admin\AppData\Local\Temp\9fed89f3e07b9b3e64084732512a266ed5578b7f70798ad09ae6b598774b1f01N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2084
- - 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:2012

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:2016

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/1108-24-0x0000000001F50000-0x0000000001F56000-memory.dmp

Filesize
24KB

Download
memory/1108-25-0x0000000077781000-0x0000000077782000-memory.dmp

Filesize
4KB

Download
memory/1176-27-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1176-21-0x0000000001DA0000-0x0000000001DA6000-memory.dmp

Filesize
24KB

Download
memory/1216-23-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/1216-4-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1216-3-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1216-2-0x0000000002D10000-0x0000000002D16000-memory.dmp

Filesize
24KB

Download
memory/1216-10-0x0000000077781000-0x0000000077782000-memory.dmp

Filesize
4KB

Download
memory/1216-31-0x0000000002550000-0x0000000002556000-memory.dmp

Filesize
24KB

Download
memory/2012-26-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2012-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2012-7-0x0000000077930000-0x0000000077931000-memory.dmp

Filesize
4KB

Download
memory/2012-8-0x000000007792F000-0x0000000077930000-memory.dmp

Filesize
4KB

Download
memory/2012-9-0x000000007792F000-0x0000000077931000-memory.dmp

Filesize
8KB

Download
memory/2012-11-0x0000000077730000-0x00000000778D9000-memory.dmp

Filesize
1.7MB

Download
memory/2016-32-0x0000000001E50000-0x0000000001E56000-memory.dmp

Filesize
24KB

Download
memory/2016-33-0x0000000077781000-0x0000000077782000-memory.dmp

Filesize
4KB

Download
memory/2084-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2084-13-0x0000000001BD0000-0x00000000025D0000-memory.dmp

Filesize
10.0MB

Download
memory/2084-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2084-5-0x0000000001BD0000-0x00000000025D0000-memory.dmp

Filesize
10.0MB

Download
memory/2084-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download