tinba | 658a0c326235f23431f130766e1fbde76caa857c5ccc2720617deed53e39b8b8

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-10-2024 01:21

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General

Target

658a0c326235f23431f130766e1fbde76caa857c5ccc2720617deed53e39b8b8N.exe
Size

160KB
MD5

002748c16a03811c0a4268239394be70
SHA1

722eb218cd45bcd241c1fc28305d61efde9544e3
SHA256

658a0c326235f23431f130766e1fbde76caa857c5ccc2720617deed53e39b8b8
SHA512

11a6df24b8818a69b8b90cc38f3c654450cfd3f23f997a35e42dda774cce48f73888b85f05556b53625f65699aa7ace0ffd546ab4e259a679b8aff0877bd96f5
SSDEEP

1536:gEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:TY+4MiIkLZJNAQ9J6v

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-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\21134708 = "C:\\Users\\Admin\\AppData\\Roaming\\21134708\\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/792-0-0x0000000000400000-0x0000000000428000-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	658a0c326235f23431f130766e1fbde76caa857c5ccc2720617deed53e39b8b8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe
2236	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2236	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 792 wrote to memory of 2236	792	658a0c326235f23431f130766e1fbde76caa857c5ccc2720617deed53e39b8b8N.exe	31
PID 792 wrote to memory of 2236	792	658a0c326235f23431f130766e1fbde76caa857c5ccc2720617deed53e39b8b8N.exe	31
PID 792 wrote to memory of 2236	792	658a0c326235f23431f130766e1fbde76caa857c5ccc2720617deed53e39b8b8N.exe	31
PID 792 wrote to memory of 2236	792	658a0c326235f23431f130766e1fbde76caa857c5ccc2720617deed53e39b8b8N.exe	31
PID 792 wrote to memory of 2236	792	658a0c326235f23431f130766e1fbde76caa857c5ccc2720617deed53e39b8b8N.exe	31
PID 2236 wrote to memory of 1264	2236	winver.exe	21
PID 2236 wrote to memory of 1132	2236	winver.exe	19
PID 2236 wrote to memory of 1184	2236	winver.exe	20
PID 2236 wrote to memory of 1264	2236	winver.exe	21
PID 2236 wrote to memory of 1596	2236	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1132

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1184

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1264
- C:\Users\Admin\AppData\Local\Temp\658a0c326235f23431f130766e1fbde76caa857c5ccc2720617deed53e39b8b8N.exe
  "C:\Users\Admin\AppData\Local\Temp\658a0c326235f23431f130766e1fbde76caa857c5ccc2720617deed53e39b8b8N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:792
- - 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:2236

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1596

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/792-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/792-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/792-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/792-13-0x0000000001D40000-0x0000000002740000-memory.dmp

Filesize
10.0MB

Download
memory/792-5-0x0000000001D40000-0x0000000002740000-memory.dmp

Filesize
10.0MB

Download
memory/1132-26-0x0000000000250000-0x0000000000256000-memory.dmp

Filesize
24KB

Download
memory/1132-27-0x0000000076D81000-0x0000000076D82000-memory.dmp

Filesize
4KB

Download
memory/1184-28-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1184-20-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1264-29-0x0000000002A20000-0x0000000002A26000-memory.dmp

Filesize
24KB

Download
memory/1264-3-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1264-2-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1264-4-0x0000000002A70000-0x0000000002A76000-memory.dmp

Filesize
24KB

Download
memory/1264-10-0x0000000076D81000-0x0000000076D82000-memory.dmp

Filesize
4KB

Download
memory/1264-22-0x0000000002A20000-0x0000000002A26000-memory.dmp

Filesize
24KB

Download
memory/1596-30-0x0000000076D81000-0x0000000076D82000-memory.dmp

Filesize
4KB

Download
memory/1596-25-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/1596-31-0x0000000001F80000-0x0000000001F86000-memory.dmp

Filesize
24KB

Download
memory/2236-6-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download
memory/2236-7-0x0000000076F30000-0x0000000076F31000-memory.dmp

Filesize
4KB

Download
memory/2236-8-0x0000000076F2F000-0x0000000076F30000-memory.dmp

Filesize
4KB

Download
memory/2236-9-0x0000000076F2F000-0x0000000076F31000-memory.dmp

Filesize
8KB

Download
memory/2236-11-0x0000000076D30000-0x0000000076ED9000-memory.dmp

Filesize
1.7MB

Download
memory/2236-32-0x0000000000100000-0x0000000000106000-memory.dmp

Filesize
24KB

Download