Analysis
- max time kernel
115s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
26/02/2024, 18:00
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
a6fbe88c20de336bbe9f6b10ca1848c6.exe
Resource
win7-20240221-en
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
a6fbe88c20de336bbe9f6b10ca1848c6.exe
Resource
win10v2004-20240226-en
8 signatures
150 seconds
General
- Target a6fbe88c20de336bbe9f6b10ca1848c6.exe
- Size 680KB
- Sample240226-wlfgbscc84
- SHA256 795efd2a6786010125a93813cd8e7ceda56e29c480cf362922d3527d94b023c3
- MD5 a6fbe88c20de336bbe9f6b10ca1848c6
- SHA1 c8d1fe52d89ec10cae28949b0ce5b0e04773e637
- SHA512 d8aea197f1c607ba043729524ecad946644a2f87f864f8ffd70e1e47579fdaef6accf3502882ee3df4cf3d2555e596610f00df22244e85b0a6b58633538d3d10
- SSDEEP 3072:+NLlDCJsXc9VGE7EIUlr2iCuXjSo/lTbFdPLQKxmpNQHNgJMqfA8PaVttICJw4Ma:eZXMK0ZwIQlZwm
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Extracted
Family
-
xtremerat
C2
-
abdallam.no-ip.biz
Signatures
- Detect XtremeRAT payload 5 IoCs
resource yara_rule behavioral2/memory/1936-5-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/1936-6-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/2028-7-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/1936-8-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat behavioral2/memory/2028-9-0x0000000010000000-0x000000001004A000-memory.dmp family_xtremerat - XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
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resource yara_rule behavioral2/memory/1936-2-0x0000000010000000-0x000000001004A000-memory.dmp upx behavioral2/memory/1936-4-0x0000000010000000-0x000000001004A000-memory.dmp upx behavioral2/memory/1936-5-0x0000000010000000-0x000000001004A000-memory.dmp upx behavioral2/memory/1936-6-0x0000000010000000-0x000000001004A000-memory.dmp upx behavioral2/memory/2028-7-0x0000000010000000-0x000000001004A000-memory.dmp upx behavioral2/memory/1936-8-0x0000000010000000-0x000000001004A000-memory.dmp upx behavioral2/memory/2028-9-0x0000000010000000-0x000000001004A000-memory.dmp upx - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3756 set thread context of 1936 3756 a6fbe88c20de336bbe9f6b10ca1848c6.exe 87 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 2 IoCs
pid pid_target Process procid_target 2916 2028 WerFault.exe 88 5012 2028 WerFault.exe 88 - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3756 a6fbe88c20de336bbe9f6b10ca1848c6.exe - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 3756 wrote to memory of 1936 3756 a6fbe88c20de336bbe9f6b10ca1848c6.exe 87 PID 3756 wrote to memory of 1936 3756 a6fbe88c20de336bbe9f6b10ca1848c6.exe 87 PID 3756 wrote to memory of 1936 3756 a6fbe88c20de336bbe9f6b10ca1848c6.exe 87 PID 3756 wrote to memory of 1936 3756 a6fbe88c20de336bbe9f6b10ca1848c6.exe 87 PID 3756 wrote to memory of 1936 3756 a6fbe88c20de336bbe9f6b10ca1848c6.exe 87 PID 3756 wrote to memory of 1936 3756 a6fbe88c20de336bbe9f6b10ca1848c6.exe 87 PID 3756 wrote to memory of 1936 3756 a6fbe88c20de336bbe9f6b10ca1848c6.exe 87 PID 3756 wrote to memory of 1936 3756 a6fbe88c20de336bbe9f6b10ca1848c6.exe 87 PID 1936 wrote to memory of 2028 1936 a6fbe88c20de336bbe9f6b10ca1848c6.exe 88 PID 1936 wrote to memory of 2028 1936 a6fbe88c20de336bbe9f6b10ca1848c6.exe 88 PID 1936 wrote to memory of 2028 1936 a6fbe88c20de336bbe9f6b10ca1848c6.exe 88 PID 1936 wrote to memory of 2028 1936 a6fbe88c20de336bbe9f6b10ca1848c6.exe 88 PID 1936 wrote to memory of 456 1936 a6fbe88c20de336bbe9f6b10ca1848c6.exe 89 PID 1936 wrote to memory of 456 1936 a6fbe88c20de336bbe9f6b10ca1848c6.exe 89 PID 1936 wrote to memory of 456 1936 a6fbe88c20de336bbe9f6b10ca1848c6.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\a6fbe88c20de336bbe9f6b10ca1848c6.exe"C:\Users\Admin\AppData\Local\Temp\a6fbe88c20de336bbe9f6b10ca1848c6.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3756 -
C:\Users\Admin\AppData\Local\Temp\a6fbe88c20de336bbe9f6b10ca1848c6.exe"C:\Users\Admin\AppData\Local\Temp\a6fbe88c20de336bbe9f6b10ca1848c6.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:1936 -
C:\Windows\SysWOW64\svchost.exesvchost.exe3⤵PID:2028
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2028 -s 4804⤵
- Program crash
PID:2916
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2028 -s 5004⤵
- Program crash
PID:5012
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"3⤵PID:456
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2028 -ip 20281⤵PID:644
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2028 -ip 20281⤵PID:2904
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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=3024 --field-trial-handle=2276,i,1205556100727695622,5044463180471657307,262144 --variations-seed-version /prefetch:81⤵PID:4244