tinba | 26fe9197a5929c0933c3f54e5ed0502b0c61eb45c0a57f898f935688bc26f17e

Analysis

max time kernel
155s
max time network
166s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
18/05/2024, 19:42

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General

Target
26fe9197a5929c0933c3f54e5ed0502b0c61eb45c0a57f898f935688bc26f17e.exe
Size 225KB
Sample240518-yexhdace82
SHA256 26fe9197a5929c0933c3f54e5ed0502b0c61eb45c0a57f898f935688bc26f17e
MD5 3e2692a86ed73b033aadb29c635e8bb9
SHA1 8d4b4107ed32934df5e56fe9b9a812c01a4e75e3
SHA512 0ec6c1f7e8448641851e4d921ecfb9fabc6e56d9d52276c1cd29334f6d0b3067ee364e3538ee9ccf6f04cb053ac29fd61ea25f3d92b90185407d33df612717c6
SSDEEP 6144:bA2P27yTAnKGw0hjFhSR/W11yAJ9v0pMtRCpYM:bATuTAnKGwUAW3ycQqgf
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

tinba banker persistence trojan

Malware Config

Signatures

Tinba / TinyBanker
Banking trojan which uses packet sniffing to steal data.
trojan banker 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-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\56D9055D = "C:\\Users\\Admin\\AppData\\Roaming\\56D9055D\\bin.exe"	winver.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies data under HKEY_USERS 1 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Classes\Local Settings\MuiCache\22\52C64B7E\@%SystemRoot%\system32\hnetcfgclient.dll,-201 = "HNetCfg Client"	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe
3268	winver.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3960	RuntimeBroker.exe
Token: SeShutdownPrivilege	3960	RuntimeBroker.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3268	winver.exe

Suspicious use of WriteProcessMemory 26 IoCs

description	pid	Process	procid_target
PID 1384 wrote to memory of 3268	1384	26fe9197a5929c0933c3f54e5ed0502b0c61eb45c0a57f898f935688bc26f17e.exe	101
PID 1384 wrote to memory of 3268	1384	26fe9197a5929c0933c3f54e5ed0502b0c61eb45c0a57f898f935688bc26f17e.exe	101
PID 1384 wrote to memory of 3268	1384	26fe9197a5929c0933c3f54e5ed0502b0c61eb45c0a57f898f935688bc26f17e.exe	101
PID 1384 wrote to memory of 3268	1384	26fe9197a5929c0933c3f54e5ed0502b0c61eb45c0a57f898f935688bc26f17e.exe	101
PID 3268 wrote to memory of 3336	3268	winver.exe	57
PID 3268 wrote to memory of 2408	3268	winver.exe	42
PID 3268 wrote to memory of 2428	3268	winver.exe	43
PID 3268 wrote to memory of 2512	3268	winver.exe	46
PID 3268 wrote to memory of 3336	3268	winver.exe	57
PID 3268 wrote to memory of 3532	3268	winver.exe	58
PID 3268 wrote to memory of 3736	3268	winver.exe	59
PID 3268 wrote to memory of 3840	3268	winver.exe	60
PID 3268 wrote to memory of 3960	3268	winver.exe	61
PID 3268 wrote to memory of 4048	3268	winver.exe	62
PID 3268 wrote to memory of 3648	3268	winver.exe	63
PID 3268 wrote to memory of 2204	3268	winver.exe	65
PID 3268 wrote to memory of 2404	3268	winver.exe	75
PID 3268 wrote to memory of 4880	3268	winver.exe	77
PID 3268 wrote to memory of 1528	3268	winver.exe	78
PID 3268 wrote to memory of 3516	3268	winver.exe	79
PID 3268 wrote to memory of 2328	3268	winver.exe	80
PID 3268 wrote to memory of 1768	3268	winver.exe	81
PID 3268 wrote to memory of 3500	3268	winver.exe	83
PID 3268 wrote to memory of 5024	3268	winver.exe	84
PID 3268 wrote to memory of 1384	3268	winver.exe	89
PID 3268 wrote to memory of 3752	3268	winver.exe	94

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2408

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2428

C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
1⤵
PID:2512

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3336
- C:\Users\Admin\AppData\Local\Temp\26fe9197a5929c0933c3f54e5ed0502b0c61eb45c0a57f898f935688bc26f17e.exe
  "C:\Users\Admin\AppData\Local\Temp\26fe9197a5929c0933c3f54e5ed0502b0c61eb45c0a57f898f935688bc26f17e.exe"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1384
- - C:\Windows\SysWOW64\winver.exe
    winver
    3⤵
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of WriteProcessMemory
    PID:3268

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3532

C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
1⤵
PID:3736

C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
1⤵
PID:3840

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3960

C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe
"C:\Windows\SystemApps\Microsoft.Windows.Search_cw5n1h2txyewy\SearchApp.exe" -ServerName:CortanaUI.AppX8z9r6jm96hw4bsbneegw0kyxx296wr9t.mca
1⤵
PID:4048

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:3648

C:\Windows\System32\RuntimeBroker.exe
C:\Windows\System32\RuntimeBroker.exe -Embedding
1⤵
PID:2204

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\InputApp\TextInputHost.exe" -ServerName:InputApp.AppX9jnwykgrccxc8by3hsrsh07r423xzvav.mca
1⤵
PID:2404

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --no-startup-window
1⤵
PID:4880
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=122.0.6261.70 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=122.0.2365.52 --initial-client-data=0x238,0x23c,0x240,0x234,0x25c,0x7ffea3b92e98,0x7ffea3b92ea4,0x7ffea3b92eb0
  2⤵
  PID:1528
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=2276 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:2
  2⤵
  PID:3516
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=3196 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:3
  2⤵
  PID:2328
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=3340 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
  2⤵
  PID:1768
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --instant-process --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --mojo-platform-channel-handle=5376 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:1
  2⤵
  PID:3500
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --mojo-platform-channel-handle=5356 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:1
  2⤵
  PID:5024
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1348 --field-trial-handle=2280,i,716736634476467098,11449718822158202904,262144 --variations-seed-version /prefetch:8
  2⤵
  PID:3752

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s Netman
1⤵
- Modifies data under HKEY_USERS
PID:3984

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 Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1384-25-0x0000000004570000-0x0000000004BC8000-memory.dmp

Download

memory/1384-2-0x00000000044F0000-0x00000000044F1000-memory.dmp

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memory/1384-3-0x00000000044F0000-0x00000000044F1000-memory.dmp

Download

memory/1384-1-0x0000000004570000-0x0000000004BC8000-memory.dmp

Download

memory/1384-22-0x0000000000400000-0x000000000043C000-memory.dmp

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memory/2204-19-0x0000000000810000-0x0000000000816000-memory.dmp

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memory/2204-35-0x0000000000810000-0x0000000000816000-memory.dmp

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memory/2404-20-0x0000000000A50000-0x0000000000A56000-memory.dmp

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memory/2404-36-0x0000000000A50000-0x0000000000A56000-memory.dmp

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memory/2408-9-0x0000000000A40000-0x0000000000A46000-memory.dmp

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memory/2408-26-0x0000000000A40000-0x0000000000A46000-memory.dmp

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memory/2428-29-0x00000000005C0000-0x00000000005C6000-memory.dmp

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memory/2428-10-0x00000000005C0000-0x00000000005C6000-memory.dmp

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memory/2512-11-0x0000000000490000-0x0000000000496000-memory.dmp

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memory/2512-28-0x0000000000490000-0x0000000000496000-memory.dmp

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memory/3268-21-0x0000000002410000-0x0000000002416000-memory.dmp

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memory/3268-38-0x0000000002410000-0x0000000002416000-memory.dmp

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memory/3268-6-0x0000000000870000-0x0000000000876000-memory.dmp

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memory/3336-12-0x0000000001540000-0x0000000001546000-memory.dmp

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memory/3336-27-0x0000000001540000-0x0000000001546000-memory.dmp

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memory/3336-5-0x0000000001500000-0x0000000001506000-memory.dmp

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memory/3336-8-0x0000000001500000-0x0000000001506000-memory.dmp

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memory/3532-13-0x00000000004A0000-0x00000000004A6000-memory.dmp

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memory/3532-32-0x00000000004A0000-0x00000000004A6000-memory.dmp

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memory/3648-18-0x0000000000D70000-0x0000000000D76000-memory.dmp

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memory/3648-34-0x0000000000D70000-0x0000000000D76000-memory.dmp

Download

memory/3736-14-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Download

memory/3736-33-0x0000000000CB0000-0x0000000000CB6000-memory.dmp

Download

memory/3840-31-0x0000000000E00000-0x0000000000E06000-memory.dmp

Download

memory/3840-15-0x0000000000E00000-0x0000000000E06000-memory.dmp

Download

memory/3960-30-0x0000000000800000-0x0000000000806000-memory.dmp

Download

memory/3960-16-0x0000000000800000-0x0000000000806000-memory.dmp

Download

memory/4048-17-0x0000000000EE0000-0x0000000000EE6000-memory.dmp

Download