tinba | 21ed83dee79da533c27f042961468e5dfd9f14f4fc5a3f8178609bb14bc4d112

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-12-2024 19:34

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General

Target

21ed83dee79da533c27f042961468e5dfd9f14f4fc5a3f8178609bb14bc4d112N.exe
Size

89KB
MD5

9406e631bc7280257aaf819dc14dd160
SHA1

6dc27393b39e3d6051a926704d7763e01898b64d
SHA256

21ed83dee79da533c27f042961468e5dfd9f14f4fc5a3f8178609bb14bc4d112
SHA512

69831e195e51aed2c6dfcc932dfee97d12b8aa4fc1695fbbfecc4a8b14d205714447121bc2d46c2e673c1d4a7704f34a348d8f9fb5c5e34fec7d4bf985d668c1
SSDEEP

1536:X1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7q:F+4MJIkLZJNAQ9Jo9q

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\E4FEA6D0 = "C:\\Users\\Admin\\AppData\\Roaming\\E4FEA6D0\\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/300-0-0x0000000000400000-0x0000000000418000-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	winver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	21ed83dee79da533c27f042961468e5dfd9f14f4fc5a3f8178609bb14bc4d112N.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe
1504	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1504	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 300 wrote to memory of 1504	300	21ed83dee79da533c27f042961468e5dfd9f14f4fc5a3f8178609bb14bc4d112N.exe	32
PID 300 wrote to memory of 1504	300	21ed83dee79da533c27f042961468e5dfd9f14f4fc5a3f8178609bb14bc4d112N.exe	32
PID 300 wrote to memory of 1504	300	21ed83dee79da533c27f042961468e5dfd9f14f4fc5a3f8178609bb14bc4d112N.exe	32
PID 300 wrote to memory of 1504	300	21ed83dee79da533c27f042961468e5dfd9f14f4fc5a3f8178609bb14bc4d112N.exe	32
PID 300 wrote to memory of 1504	300	21ed83dee79da533c27f042961468e5dfd9f14f4fc5a3f8178609bb14bc4d112N.exe	32
PID 1504 wrote to memory of 1208	1504	winver.exe	21
PID 1504 wrote to memory of 1116	1504	winver.exe	19
PID 1504 wrote to memory of 1168	1504	winver.exe	20
PID 1504 wrote to memory of 1208	1504	winver.exe	21
PID 1504 wrote to memory of 1628	1504	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1116

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1168

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1208
- C:\Users\Admin\AppData\Local\Temp\21ed83dee79da533c27f042961468e5dfd9f14f4fc5a3f8178609bb14bc4d112N.exe
  "C:\Users\Admin\AppData\Local\Temp\21ed83dee79da533c27f042961468e5dfd9f14f4fc5a3f8178609bb14bc4d112N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:300
- - 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:1504

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1628

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/300-5-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/300-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/300-13-0x0000000001D80000-0x0000000002780000-memory.dmp

Filesize
10.0MB

Download
memory/300-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/300-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/1116-27-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1116-28-0x0000000077C31000-0x0000000077C32000-memory.dmp

Filesize
4KB

Download
memory/1116-26-0x0000000077C31000-0x0000000077C32000-memory.dmp

Filesize
4KB

Download
memory/1116-34-0x0000000000160000-0x0000000000166000-memory.dmp

Filesize
24KB

Download
memory/1168-20-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1168-30-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1208-25-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/1208-22-0x00000000024D0000-0x00000000024D6000-memory.dmp

Filesize
24KB

Download
memory/1208-10-0x0000000077C31000-0x0000000077C32000-memory.dmp

Filesize
4KB

Download
memory/1208-2-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1208-3-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1208-4-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1504-8-0x0000000077DDF000-0x0000000077DE0000-memory.dmp

Filesize
4KB

Download
memory/1504-29-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1504-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/1504-7-0x0000000077DE0000-0x0000000077DE1000-memory.dmp

Filesize
4KB

Download
memory/1504-11-0x0000000077BE0000-0x0000000077D89000-memory.dmp

Filesize
1.7MB

Download
memory/1504-9-0x0000000077DDF000-0x0000000077DE1000-memory.dmp

Filesize
8KB

Download
memory/1628-33-0x0000000077C31000-0x0000000077C32000-memory.dmp

Filesize
4KB

Download
memory/1628-32-0x0000000077C31000-0x0000000077C32000-memory.dmp

Filesize
4KB

Download
memory/1628-31-0x0000000001C80000-0x0000000001C86000-memory.dmp

Filesize
24KB

Download
memory/1628-24-0x0000000001C80000-0x0000000001C86000-memory.dmp

Filesize
24KB

Download
memory/1628-37-0x0000000001C80000-0x0000000001C86000-memory.dmp

Filesize
24KB

Download