tinba | c643c90e20e6fcfc9327cc33dc3e8d239a986acbbcdbd49f8ee5706394769308

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 20:50

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General

Target

c643c90e20e6fcfc9327cc33dc3e8d239a986acbbcdbd49f8ee5706394769308N.exe
Size

110KB
MD5

385aa9fa6ab24d6ff532877ecfb83c90
SHA1

5987c0c674c7f7d6b32c1361fdac0b82983f30e5
SHA256

c643c90e20e6fcfc9327cc33dc3e8d239a986acbbcdbd49f8ee5706394769308
SHA512

af04fe6b2540a7ba10c71d8cd30ca900ef6c289cd63426e5d60959409648f6b75e871e32686393f91151684dc300ebcc5557b7103cdcfe533a7d2f00a82429b9
SSDEEP

1536:liLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:liyvRmDLs/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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\86CE136E = "C:\\Users\\Admin\\AppData\\Roaming\\86CE136E\\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/2692-0-0x0000000000400000-0x000000000041E000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c643c90e20e6fcfc9327cc33dc3e8d239a986acbbcdbd49f8ee5706394769308N.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe
1980	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1980	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2692 wrote to memory of 1980	2692	c643c90e20e6fcfc9327cc33dc3e8d239a986acbbcdbd49f8ee5706394769308N.exe	31
PID 2692 wrote to memory of 1980	2692	c643c90e20e6fcfc9327cc33dc3e8d239a986acbbcdbd49f8ee5706394769308N.exe	31
PID 2692 wrote to memory of 1980	2692	c643c90e20e6fcfc9327cc33dc3e8d239a986acbbcdbd49f8ee5706394769308N.exe	31
PID 2692 wrote to memory of 1980	2692	c643c90e20e6fcfc9327cc33dc3e8d239a986acbbcdbd49f8ee5706394769308N.exe	31
PID 2692 wrote to memory of 1980	2692	c643c90e20e6fcfc9327cc33dc3e8d239a986acbbcdbd49f8ee5706394769308N.exe	31
PID 1980 wrote to memory of 1252	1980	winver.exe	21
PID 1980 wrote to memory of 1128	1980	winver.exe	19
PID 1980 wrote to memory of 1180	1980	winver.exe	20
PID 1980 wrote to memory of 1252	1980	winver.exe	21
PID 1980 wrote to memory of 1364	1980	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1128

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1180

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1252
- C:\Users\Admin\AppData\Local\Temp\c643c90e20e6fcfc9327cc33dc3e8d239a986acbbcdbd49f8ee5706394769308N.exe
  "C:\Users\Admin\AppData\Local\Temp\c643c90e20e6fcfc9327cc33dc3e8d239a986acbbcdbd49f8ee5706394769308N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2692
- - 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:1980

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1364

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/1128-35-0x0000000076F61000-0x0000000076F62000-memory.dmp

Filesize
4KB

Download
memory/1128-40-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/1128-28-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/1128-30-0x0000000076F61000-0x0000000076F62000-memory.dmp

Filesize
4KB

Download
memory/1180-22-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1180-31-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1180-32-0x0000000076F61000-0x0000000076F62000-memory.dmp

Filesize
4KB

Download
memory/1252-29-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/1252-10-0x0000000076F61000-0x0000000076F62000-memory.dmp

Filesize
4KB

Download
memory/1252-4-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

Filesize
24KB

Download
memory/1252-2-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

Filesize
24KB

Download
memory/1252-3-0x0000000002DA0000-0x0000000002DA6000-memory.dmp

Filesize
24KB

Download
memory/1252-25-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/1364-34-0x0000000076F61000-0x0000000076F62000-memory.dmp

Filesize
4KB

Download
memory/1364-33-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/1364-27-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/1980-6-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/1980-9-0x000000007710F000-0x0000000077111000-memory.dmp

Filesize
8KB

Download
memory/1980-36-0x00000000000B0000-0x00000000000B6000-memory.dmp

Filesize
24KB

Download
memory/1980-11-0x0000000076F10000-0x00000000770B9000-memory.dmp

Filesize
1.7MB

Download
memory/1980-8-0x000000007710F000-0x0000000077110000-memory.dmp

Filesize
4KB

Download
memory/1980-7-0x0000000077110000-0x0000000077111000-memory.dmp

Filesize
4KB

Download
memory/2692-14-0x0000000001D30000-0x0000000002730000-memory.dmp

Filesize
10.0MB

Download
memory/2692-13-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2692-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2692-5-0x0000000001D30000-0x0000000002730000-memory.dmp

Filesize
10.0MB

Download
memory/2692-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download