tinba | d0426d3da98de29b245834270859f0d66ea12eaf526d747493b230b73fe3892d

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-01-2025 11:05

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General

Target

JaffaCakes118_9fb25bdbdee810a04da0975a0c538acf.exe
Size

34KB
MD5

9fb25bdbdee810a04da0975a0c538acf
SHA1

b9fb353f0871383251e9dddea391e59a91efd233
SHA256

d0426d3da98de29b245834270859f0d66ea12eaf526d747493b230b73fe3892d
SHA512

27b4aa767bf246efdd913fe04876137e10b097c52617ab5946e955117ee4f1251370cf78ef4a6cf1bbf327db9656e156ae4b6c208f4ad9d34844ebf2f86ce1ee
SSDEEP

768:Zp22qWFcy5XQ7lO41uirwA98p3MpkNBxd0cJWV6dy/x9J2:ZpYoX58z1uirL98xMWnT0OQ9J2

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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\5AD61277 = "C:\\Users\\Admin\\AppData\\Roaming\\5AD61277\\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/1804-0-0x0000000000400000-0x0000000000417000-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_9fb25bdbdee810a04da0975a0c538acf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winver.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe
2800	winver.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
2800	winver.exe
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
1256	Explorer.EXE
1256	Explorer.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1804 wrote to memory of 2800	1804	JaffaCakes118_9fb25bdbdee810a04da0975a0c538acf.exe	32
PID 1804 wrote to memory of 2800	1804	JaffaCakes118_9fb25bdbdee810a04da0975a0c538acf.exe	32
PID 1804 wrote to memory of 2800	1804	JaffaCakes118_9fb25bdbdee810a04da0975a0c538acf.exe	32
PID 1804 wrote to memory of 2800	1804	JaffaCakes118_9fb25bdbdee810a04da0975a0c538acf.exe	32
PID 1804 wrote to memory of 2800	1804	JaffaCakes118_9fb25bdbdee810a04da0975a0c538acf.exe	32
PID 2800 wrote to memory of 1256	2800	winver.exe	21
PID 2800 wrote to memory of 1120	2800	winver.exe	19
PID 2800 wrote to memory of 1196	2800	winver.exe	20
PID 2800 wrote to memory of 1256	2800	winver.exe	21
PID 2800 wrote to memory of 860	2800	winver.exe	25

C:\Windows\system32\taskhost.exe
"taskhost.exe"
1⤵
PID:1120

C:\Windows\system32\Dwm.exe
"C:\Windows\system32\Dwm.exe"
1⤵
PID:1196

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:1256
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9fb25bdbdee810a04da0975a0c538acf.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9fb25bdbdee810a04da0975a0c538acf.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1804
- - 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:2800

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:860

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/860-32-0x0000000077A71000-0x0000000077A72000-memory.dmp

Filesize
4KB

Download
memory/860-26-0x0000000001E70000-0x0000000001E76000-memory.dmp

Filesize
24KB

Download
memory/860-31-0x0000000001E70000-0x0000000001E76000-memory.dmp

Filesize
24KB

Download
memory/1120-28-0x0000000077A71000-0x0000000077A72000-memory.dmp

Filesize
4KB

Download
memory/1120-27-0x0000000001F90000-0x0000000001F96000-memory.dmp

Filesize
24KB

Download
memory/1196-21-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1196-29-0x00000000001B0000-0x00000000001B6000-memory.dmp

Filesize
24KB

Download
memory/1256-2-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1256-24-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1256-30-0x0000000002070000-0x0000000002076000-memory.dmp

Filesize
24KB

Download
memory/1256-10-0x0000000077A71000-0x0000000077A72000-memory.dmp

Filesize
4KB

Download
memory/1256-4-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1256-3-0x0000000002560000-0x0000000002566000-memory.dmp

Filesize
24KB

Download
memory/1804-12-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1804-13-0x0000000001CA0000-0x00000000026A0000-memory.dmp

Filesize
10.0MB

Download
memory/1804-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1804-5-0x0000000001CA0000-0x00000000026A0000-memory.dmp

Filesize
10.0MB

Download
memory/1804-1-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2800-11-0x0000000077A20000-0x0000000077BC9000-memory.dmp

Filesize
1.7MB

Download
memory/2800-9-0x0000000077C1F000-0x0000000077C21000-memory.dmp

Filesize
8KB

Download
memory/2800-8-0x0000000077C1F000-0x0000000077C20000-memory.dmp

Filesize
4KB

Download
memory/2800-7-0x0000000077C20000-0x0000000077C21000-memory.dmp

Filesize
4KB

Download
memory/2800-6-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download
memory/2800-33-0x0000000000170000-0x0000000000176000-memory.dmp

Filesize
24KB

Download