tinba | 56788eed2a0b2d40653fd8306448303c8a7949a6685179f9019a83833179c26c

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
06-01-2025 14:26

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General

Target

JaffaCakes118_28b3544dfc61fe2d76062e54761f7447.exe
Size

160KB
MD5

28b3544dfc61fe2d76062e54761f7447
SHA1

104ef7ec6d20c9e372da64d46f2833eaea32173f
SHA256

56788eed2a0b2d40653fd8306448303c8a7949a6685179f9019a83833179c26c
SHA512

af2bd4c0b81b499ae4a9f292edeb00f204591900db5d40979db4e0a42a1fb45b7eb6615b84b13d668a7e446ea376dd6b9a42378532f3eda0c2407693a89bf412
SSDEEP

1536:XEY+mFM2HXKZgi0Iksu+XM5/HtAQ9J6xph:0Y+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
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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\88B74949 = "C:\\Users\\Admin\\AppData\\Roaming\\88B74949\\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/3064-0-0x0000000000400000-0x0000000000428000-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	JaffaCakes118_28b3544dfc61fe2d76062e54761f7447.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe
2928	winver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2928	winver.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3064 wrote to memory of 2928	3064	JaffaCakes118_28b3544dfc61fe2d76062e54761f7447.exe	31
PID 3064 wrote to memory of 2928	3064	JaffaCakes118_28b3544dfc61fe2d76062e54761f7447.exe	31
PID 3064 wrote to memory of 2928	3064	JaffaCakes118_28b3544dfc61fe2d76062e54761f7447.exe	31
PID 3064 wrote to memory of 2928	3064	JaffaCakes118_28b3544dfc61fe2d76062e54761f7447.exe	31
PID 3064 wrote to memory of 2928	3064	JaffaCakes118_28b3544dfc61fe2d76062e54761f7447.exe	31
PID 2928 wrote to memory of 1280	2928	winver.exe	21
PID 2928 wrote to memory of 1132	2928	winver.exe	19
PID 2928 wrote to memory of 1232	2928	winver.exe	20
PID 2928 wrote to memory of 1280	2928	winver.exe	21
PID 2928 wrote to memory of 1588	2928	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:1232

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1280
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_28b3544dfc61fe2d76062e54761f7447.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_28b3544dfc61fe2d76062e54761f7447.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3064
- - 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:2928

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:1588

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/1132-27-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/1132-26-0x0000000001E20000-0x0000000001E26000-memory.dmp

Filesize
24KB

Download
memory/1232-21-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1232-28-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download
memory/1280-3-0x0000000002660000-0x0000000002666000-memory.dmp

Filesize
24KB

Download
memory/1280-2-0x0000000002660000-0x0000000002666000-memory.dmp

Filesize
24KB

Download
memory/1280-10-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/1280-31-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/1280-4-0x0000000002660000-0x0000000002666000-memory.dmp

Filesize
24KB

Download
memory/1280-23-0x0000000002210000-0x0000000002216000-memory.dmp

Filesize
24KB

Download
memory/1588-25-0x0000000001CC0000-0x0000000001CC6000-memory.dmp

Filesize
24KB

Download
memory/1588-29-0x0000000001CC0000-0x0000000001CC6000-memory.dmp

Filesize
24KB

Download
memory/1588-30-0x0000000076DB1000-0x0000000076DB2000-memory.dmp

Filesize
4KB

Download
memory/2928-7-0x0000000076F60000-0x0000000076F61000-memory.dmp

Filesize
4KB

Download
memory/2928-11-0x0000000076D60000-0x0000000076F09000-memory.dmp

Filesize
1.7MB

Download
memory/2928-6-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2928-8-0x0000000076F5F000-0x0000000076F60000-memory.dmp

Filesize
4KB

Download
memory/2928-9-0x0000000076F5F000-0x0000000076F61000-memory.dmp

Filesize
8KB

Download
memory/2928-32-0x0000000000140000-0x0000000000146000-memory.dmp

Filesize
24KB

Download
memory/2928-37-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/3064-13-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download
memory/3064-12-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3064-0-0x0000000000400000-0x0000000000428000-memory.dmp

Filesize
160KB

Download
memory/3064-5-0x0000000001D70000-0x0000000002770000-memory.dmp

Filesize
10.0MB

Download
memory/3064-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download