Analysis
- max time kernel
141s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
04/04/2024, 11:06
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe
Resource
win7-20231129-en
18 signatures
150 seconds
Behavioral task
behavioral2
Sample
b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe
Resource
win10v2004-20240226-en
11 signatures
150 seconds
General
- Target b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe
- Size 615KB
- Sample240404-m7le2adb61
- SHA256 8947b59e82b1518358d0cd119d2b1f9fcb732bb84b36a3ec6a3eaddc2909f67c
- MD5 b6b11ce450f713daa2e27dc07c2652a7
- SHA1 0ac53eef30d37c4788fad3421e03a0aeeb8994f5
- SHA512 0d9ea6954331596b52683332fffc58ac99d0524716025042b65cc9cfb7fe0b82e413ae7f01a33a2f6a5aac436ff15fce0e4aa7090ef33568e065d4e281288bb0
- SSDEEP 12288:LUMbuOeZrN4g7duCISibUaofWN/l2GlGSBnQpFPENgNi8:LU8eZrNJLHfWbl7BnUE6
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
smtp
-
Host
mail.sautiyapwanifm.com
-
Port
587
-
Username
-
Password
Uwada12345
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla payload 1 IoCs
resource yara_rule behavioral2/memory/4564-16-0x0000000000400000-0x000000000043C000-memory.dmp family_agenttesla - Drops file in Drivers directory 1 IoCs
description ioc Process File opened for modification C:\Windows\system32\drivers\etc\hosts b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe" b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4992 set thread context of 4564 4992 b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe 107 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4420 schtasks.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 4992 b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe 4992 b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe 4992 b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe 4564 b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe 4564 b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe 4564 b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4992 b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe Token: SeDebugPrivilege 4564 b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe - Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 4992 wrote to memory of 4420 4992 b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe 105 PID 4992 wrote to memory of 4420 4992 b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe 105 PID 4992 wrote to memory of 4420 4992 b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe 105 PID 4992 wrote to memory of 4564 4992 b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe 107 PID 4992 wrote to memory of 4564 4992 b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe 107 PID 4992 wrote to memory of 4564 4992 b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe 107 PID 4992 wrote to memory of 4564 4992 b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe 107 PID 4992 wrote to memory of 4564 4992 b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe 107 PID 4992 wrote to memory of 4564 4992 b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe 107 PID 4992 wrote to memory of 4564 4992 b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe 107 PID 4992 wrote to memory of 4564 4992 b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe 107
Processes
-
C:\Users\Admin\AppData\Local\Temp\b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4992 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LcGdLu" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE412.tmp"2⤵
- Creates scheduled task(s)
PID:4420
-
-
C:\Users\Admin\AppData\Local\Temp\b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4564
-
-
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=4136 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:81⤵PID:1784