tinba | 1820d79cbe5a2448c9697aed04824e9465c476feabbd23a9a09888347d780f32

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09/11/2024, 10:18

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General

Target

1820d79cbe5a2448c9697aed04824e9465c476feabbd23a9a09888347d780f32N.exe
Size

89KB
MD5

d57dbbbff398584fa417f755c83fb2a0
SHA1

716fdc9f31356594bea84292e8aede0c73c36ae4
SHA256

1820d79cbe5a2448c9697aed04824e9465c476feabbd23a9a09888347d780f32
SHA512

301946fb0310b00cc628bcc6dbbcdeb356009ae47f228181b91fa96907fa0f393e50110637a0db91a3957b6760b3d3159c51053d36a013918a844b921cb3d658
SSDEEP

1536:K1+mFM2HXKZgixhIksu+XM5/HtAQ9Jox7e:i+4MJIkLZJNAQ9Jo9e

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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\DFA375FA = "C:\\Users\\Admin\\AppData\\Roaming\\DFA375FA\\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/2736-0-0x0000000000400000-0x0000000000418000-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	1820d79cbe5a2448c9697aed04824e9465c476feabbd23a9a09888347d780f32N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe
2840	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2840	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 2840	2736	1820d79cbe5a2448c9697aed04824e9465c476feabbd23a9a09888347d780f32N.exe	31
PID 2736 wrote to memory of 2840	2736	1820d79cbe5a2448c9697aed04824e9465c476feabbd23a9a09888347d780f32N.exe	31
PID 2736 wrote to memory of 2840	2736	1820d79cbe5a2448c9697aed04824e9465c476feabbd23a9a09888347d780f32N.exe	31
PID 2736 wrote to memory of 2840	2736	1820d79cbe5a2448c9697aed04824e9465c476feabbd23a9a09888347d780f32N.exe	31
PID 2736 wrote to memory of 2840	2736	1820d79cbe5a2448c9697aed04824e9465c476feabbd23a9a09888347d780f32N.exe	31
PID 2840 wrote to memory of 1200	2840	winver.exe	21
PID 2840 wrote to memory of 1076	2840	winver.exe	18
PID 2840 wrote to memory of 1168	2840	winver.exe	20
PID 2840 wrote to memory of 1200	2840	winver.exe	21
PID 2840 wrote to memory of 1476	2840	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1076

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1200
- C:\Users\Admin\AppData\Local\Temp\1820d79cbe5a2448c9697aed04824e9465c476feabbd23a9a09888347d780f32N.exe
  "C:\Users\Admin\AppData\Local\Temp\1820d79cbe5a2448c9697aed04824e9465c476feabbd23a9a09888347d780f32N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2736
- - 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:2840

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1476

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/1076-26-0x0000000077931000-0x0000000077932000-memory.dmp

Filesize
4KB

Download
memory/1076-24-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/1168-34-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1168-30-0x0000000077931000-0x0000000077932000-memory.dmp

Filesize
4KB

Download
memory/1168-29-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1168-19-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1200-10-0x0000000077931000-0x0000000077932000-memory.dmp

Filesize
4KB

Download
memory/1200-4-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1200-21-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1200-25-0x00000000024C0000-0x00000000024C6000-memory.dmp

Filesize
24KB

Download
memory/1200-2-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1200-3-0x0000000002520000-0x0000000002526000-memory.dmp

Filesize
24KB

Download
memory/1476-27-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/1476-28-0x0000000077931000-0x0000000077932000-memory.dmp

Filesize
4KB

Download
memory/1476-23-0x0000000001DF0000-0x0000000001DF6000-memory.dmp

Filesize
24KB

Download
memory/2736-12-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2736-13-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2736-0-0x0000000000400000-0x0000000000418000-memory.dmp

Filesize
96KB

Download
memory/2736-5-0x0000000001C70000-0x0000000002670000-memory.dmp

Filesize
10.0MB

Download
memory/2736-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2840-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/2840-7-0x0000000077AE0000-0x0000000077AE1000-memory.dmp

Filesize
4KB

Download
memory/2840-8-0x0000000077ADF000-0x0000000077AE0000-memory.dmp

Filesize
4KB

Download
memory/2840-9-0x0000000077ADF000-0x0000000077AE1000-memory.dmp

Filesize
8KB

Download
memory/2840-11-0x00000000778E0000-0x0000000077A89000-memory.dmp

Filesize
1.7MB

Download
memory/2840-31-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download