xtremerat | ebae9ede81d32c6bcf3af11e09e7bafe00a4dc66a48f3354a84ec117d6f4979e

Resubmissions

04/02/2024, 14:05

240204-rdxy7abde910

04/02/2024, 14:01

240204-rbpvssbdb410

Analysis

max time kernel
140s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
04/02/2024, 14:01

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General

Target
8f5469a91c469a777b1aa61b3fff945b.exe
Size 33KB
Sample240204-rbpvssbdb4
SHA256 ebae9ede81d32c6bcf3af11e09e7bafe00a4dc66a48f3354a84ec117d6f4979e
MD5 8f5469a91c469a777b1aa61b3fff945b
SHA1 f114756cd989c03c0e91840e9b984320165755a2
SHA512 8ae6cf009922e12647570d33ac43d3cb017e5b1aa20aeac1eabd27337d710e06ccda6ade926545cb2f4de2cb67126c502b780d50a1de4c0509dfe930e58a8109
SSDEEP 768:VMuijtHf5g7/IIG3bGcYDBSvFIWuePQtv66l+zIAO9gd0tD:eNW71rcYDAWeotvXl+/S
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

l7n-alrhel.no-ip.biz
蠀Codejock COM Server Registrl7n-alrhel.no-ip.biz

Signatures

Detect XtremeRAT payload 3 IoCs

resource	yara_rule
behavioral2/memory/216-1-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4608-2-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/216-3-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat

XtremeRAT
The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.
persistence spyware rat xtremerat

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4608-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/216-1-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4608-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/216-3-0x0000000010000000-0x000000001004D000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
5108	216	WerFault.exe	84
1508	216	WerFault.exe	84

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 4608 wrote to memory of 216	4608	8f5469a91c469a777b1aa61b3fff945b.exe	84
PID 4608 wrote to memory of 216	4608	8f5469a91c469a777b1aa61b3fff945b.exe	84
PID 4608 wrote to memory of 216	4608	8f5469a91c469a777b1aa61b3fff945b.exe	84
PID 4608 wrote to memory of 216	4608	8f5469a91c469a777b1aa61b3fff945b.exe	84
PID 4608 wrote to memory of 2292	4608	8f5469a91c469a777b1aa61b3fff945b.exe	85
PID 4608 wrote to memory of 2292	4608	8f5469a91c469a777b1aa61b3fff945b.exe	85
PID 4608 wrote to memory of 2292	4608	8f5469a91c469a777b1aa61b3fff945b.exe	85

C:\Users\Admin\AppData\Local\Temp\8f5469a91c469a777b1aa61b3fff945b.exe
"C:\Users\Admin\AppData\Local\Temp\8f5469a91c469a777b1aa61b3fff945b.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4608
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:216
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 216 -s 480
    3⤵
    - Program crash
    PID:5108
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 216 -s 488
    3⤵
    - Program crash
    PID:1508
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:2292

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 216 -ip 216
1⤵
PID:2464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 216 -ip 216
1⤵
PID:1148

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/216-1-0x0000000010000000-0x000000001004D000-memory.dmp

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memory/216-3-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/4608-0-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/4608-2-0x0000000010000000-0x000000001004D000-memory.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads