xtremerat | 6847aa8cfb666661614dfb94c7625102891ca228fb138409d88f43db4537872b

Analysis

max time kernel
93s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
13/07/2024, 07:50

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General

Target
40cfb98a492bc887ae1e5aed7aa5f184_JaffaCakes118.exe
Size 400KB
Sample240713-jpbw4avcka
SHA256 6847aa8cfb666661614dfb94c7625102891ca228fb138409d88f43db4537872b
MD5 40cfb98a492bc887ae1e5aed7aa5f184
SHA1 2e485de356f958b6bf9eaf7e98ae2d42675fe684
SHA512 0409c1c39621f729c75f16c31b83bacd5429cf6767f606b44ec013f9a2c200b497a19e530f22f7de47fac3e0813a15ddce56a92d38c78979d5b2b00984b971ad
SSDEEP 3072:Y44rj/toaaO5FoxwXWBBZZdXWBBZZJszMoPxW:jSLxLXWBBZZdXWBBZZNoPxW
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware upx

Malware Config

Extracted

Family

xtremerat

optionsk.no-ip.biz

Signatures

Detect XtremeRAT payload 4 IoCs

resource	yara_rule
behavioral2/memory/1216-0-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4460-1-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/1216-2-0x0000000010000000-0x000000001004D000-memory.dmp	family_xtremerat
behavioral2/memory/4460-3-0x0000000010000000-0x000000001004D000-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/1216-0-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4460-1-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/1216-2-0x0000000010000000-0x000000001004D000-memory.dmp	upx
behavioral2/memory/4460-3-0x0000000010000000-0x000000001004D000-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
4028	4460	WerFault.exe	84
1684	4460	WerFault.exe	84

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1216 wrote to memory of 4460	1216	40cfb98a492bc887ae1e5aed7aa5f184_JaffaCakes118.exe	84
PID 1216 wrote to memory of 4460	1216	40cfb98a492bc887ae1e5aed7aa5f184_JaffaCakes118.exe	84
PID 1216 wrote to memory of 4460	1216	40cfb98a492bc887ae1e5aed7aa5f184_JaffaCakes118.exe	84
PID 1216 wrote to memory of 4460	1216	40cfb98a492bc887ae1e5aed7aa5f184_JaffaCakes118.exe	84
PID 1216 wrote to memory of 3356	1216	40cfb98a492bc887ae1e5aed7aa5f184_JaffaCakes118.exe	86
PID 1216 wrote to memory of 3356	1216	40cfb98a492bc887ae1e5aed7aa5f184_JaffaCakes118.exe	86
PID 1216 wrote to memory of 3356	1216	40cfb98a492bc887ae1e5aed7aa5f184_JaffaCakes118.exe	86

C:\Users\Admin\AppData\Local\Temp\40cfb98a492bc887ae1e5aed7aa5f184_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\40cfb98a492bc887ae1e5aed7aa5f184_JaffaCakes118.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1216
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  PID:4460
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4460 -s 480
    3⤵
    - Program crash
    PID:4028
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4460 -s 488
    3⤵
    - Program crash
    PID:1684
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:3356

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 376 -p 4460 -ip 4460
1⤵
PID:2624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4460 -ip 4460
1⤵
PID:1296

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/1216-0-0x0000000010000000-0x000000001004D000-memory.dmp

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memory/1216-2-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/4460-1-0x0000000010000000-0x000000001004D000-memory.dmp

Download

memory/4460-3-0x0000000010000000-0x000000001004D000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads