tinba | 28da2514f32d490d5622f867245016eaf8e6b9c19978ab05269bcbc61c6e34a5

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-10-2024 03:54

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General

Target

28da2514f32d490d5622f867245016eaf8e6b9c19978ab05269bcbc61c6e34a5N.exe
Size

110KB
MD5

c9a0bc301c5edd374a874bce25a5b4f0
SHA1

7c723cb743555d807fe60cd9ad045edb90901a96
SHA256

28da2514f32d490d5622f867245016eaf8e6b9c19978ab05269bcbc61c6e34a5
SHA512

805aa24130537081c3d506a26e450a4fe5b902b616debf48785af3ed62b574525eeb0e7c6b61a3e893919de73518d1a5393facc1c34083c61c003bcbb73e9780
SSDEEP

1536:1iLOvRmmQegJfBbmAQ256/ZrwWnwqjhurmKFcxL8JQ2r0Eg:1iyvRmDLs/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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\1157213D = "C:\\Users\\Admin\\AppData\\Roaming\\1157213D\\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/2420-0-0x0000000000400000-0x000000000041E000-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	28da2514f32d490d5622f867245016eaf8e6b9c19978ab05269bcbc61c6e34a5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 57 IoCs

pid	Process
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe
3028	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3028	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 3028	2420	28da2514f32d490d5622f867245016eaf8e6b9c19978ab05269bcbc61c6e34a5N.exe	31
PID 2420 wrote to memory of 3028	2420	28da2514f32d490d5622f867245016eaf8e6b9c19978ab05269bcbc61c6e34a5N.exe	31
PID 2420 wrote to memory of 3028	2420	28da2514f32d490d5622f867245016eaf8e6b9c19978ab05269bcbc61c6e34a5N.exe	31
PID 2420 wrote to memory of 3028	2420	28da2514f32d490d5622f867245016eaf8e6b9c19978ab05269bcbc61c6e34a5N.exe	31
PID 2420 wrote to memory of 3028	2420	28da2514f32d490d5622f867245016eaf8e6b9c19978ab05269bcbc61c6e34a5N.exe	31
PID 3028 wrote to memory of 1212	3028	winver.exe	21
PID 3028 wrote to memory of 1100	3028	winver.exe	19
PID 3028 wrote to memory of 1176	3028	winver.exe	20
PID 3028 wrote to memory of 1212	3028	winver.exe	21
PID 3028 wrote to memory of 1204	3028	winver.exe	23

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1100

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

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1212
- C:\Users\Admin\AppData\Local\Temp\28da2514f32d490d5622f867245016eaf8e6b9c19978ab05269bcbc61c6e34a5N.exe
  "C:\Users\Admin\AppData\Local\Temp\28da2514f32d490d5622f867245016eaf8e6b9c19978ab05269bcbc61c6e34a5N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2420
- - 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:3028

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1204

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/1100-27-0x0000000077B51000-0x0000000077B52000-memory.dmp

Filesize
4KB

Download
memory/1100-30-0x0000000077B51000-0x0000000077B52000-memory.dmp

Filesize
4KB

Download
memory/1100-29-0x0000000001F10000-0x0000000001F16000-memory.dmp

Filesize
24KB

Download
memory/1100-28-0x0000000077B51000-0x0000000077B52000-memory.dmp

Filesize
4KB

Download
memory/1176-33-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1176-21-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/1204-25-0x0000000001BD0000-0x0000000001BD6000-memory.dmp

Filesize
24KB

Download
memory/1204-31-0x0000000001BD0000-0x0000000001BD6000-memory.dmp

Filesize
24KB

Download
memory/1204-32-0x0000000077B51000-0x0000000077B52000-memory.dmp

Filesize
4KB

Download
memory/1212-4-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1212-26-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1212-23-0x0000000002D90000-0x0000000002D96000-memory.dmp

Filesize
24KB

Download
memory/1212-10-0x0000000077B51000-0x0000000077B52000-memory.dmp

Filesize
4KB

Download
memory/1212-2-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/1212-3-0x0000000002DE0000-0x0000000002DE6000-memory.dmp

Filesize
24KB

Download
memory/2420-12-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2420-13-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/2420-0-0x0000000000400000-0x000000000041E000-memory.dmp

Filesize
120KB

Download
memory/2420-5-0x0000000001D50000-0x0000000002750000-memory.dmp

Filesize
10.0MB

Download
memory/2420-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/3028-6-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download
memory/3028-7-0x0000000077D00000-0x0000000077D01000-memory.dmp

Filesize
4KB

Download
memory/3028-8-0x0000000077CFF000-0x0000000077D00000-memory.dmp

Filesize
4KB

Download
memory/3028-9-0x0000000077CFF000-0x0000000077D01000-memory.dmp

Filesize
8KB

Download
memory/3028-11-0x0000000077B00000-0x0000000077CA9000-memory.dmp

Filesize
1.7MB

Download
memory/3028-34-0x0000000000120000-0x0000000000126000-memory.dmp

Filesize
24KB

Download