xtremerat | 5cd0bb9be9e382ea7600a496781f12004eb75df396d9ec12e411f8d40595fa6c

General

Target
607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe
Size 45KB
Sample240520-wtb4wacd71
SHA256 5cd0bb9be9e382ea7600a496781f12004eb75df396d9ec12e411f8d40595fa6c
MD5 607e598bb7d6a5804cacb9fce9da3757
SHA1 69a7d926229afd41db2e400adb69f2607bc672ba
SHA512 3a2941ef179892d564a3b176101d2ecf8c47b9460cd39d1e2edca626945164cd3809202d4daba37961a3ecb7f0cbb679f9076ee8d579c7a474ff5d445dfad897
SSDEEP 768:PBr+tjFY90iY6W1jwmDzKgEFQXaklMIAn0tYCpPQzon:ZyRh31jxPEFQXak+05Aon
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

xtremerat persistence rat spyware

Malware Config

Extracted

Family

xtremerat

C2

daskarhacker.no-ip.org
谀翿翿翿翿daskarhacker.no-ip.org

Signatures

Detect XtremeRAT payload 5 IoCs

resource	yara_rule
behavioral2/memory/2348-3-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/files/0x000800000002324d-5.dat	family_xtremerat
behavioral2/memory/5076-6-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/5076-8-0x0000000000C80000-0x0000000000C93000-memory.dmp	family_xtremerat
behavioral2/memory/4296-9-0x0000000000C80000-0x0000000000C93000-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

Modifies Installed Components in the registry 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart"	607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{5460C4DF-B266-909E-CB58-E32B79832EB2}\StubPath = "C:\\Windows\\system32\\InstallDir\\Server.exe restart"	svchost.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\Server.exe"	607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe"	607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\HKLM = "C:\\Windows\\system32\\InstallDir\\Server.exe"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\HKCU = "C:\\Windows\\system32\\InstallDir\\Server.exe"	svchost.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\InstallDir\Server.exe	607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe
File created	C:\Windows\SysWOW64\InstallDir\Server.exe	607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5076	explorer.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 4296 wrote to memory of 2348	4296	607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe	91
PID 4296 wrote to memory of 2348	4296	607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe	91
PID 4296 wrote to memory of 2348	4296	607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe	91
PID 4296 wrote to memory of 2348	4296	607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe	91
PID 4296 wrote to memory of 1672	4296	607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe	92
PID 4296 wrote to memory of 1672	4296	607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe	92
PID 4296 wrote to memory of 5076	4296	607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe	93
PID 4296 wrote to memory of 5076	4296	607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe	93
PID 4296 wrote to memory of 5076	4296	607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe	93
PID 4296 wrote to memory of 5076	4296	607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe	93
PID 4296 wrote to memory of 2920	4296	607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe	94
PID 4296 wrote to memory of 2920	4296	607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe	94
PID 4296 wrote to memory of 4544	4296	607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe	95
PID 4296 wrote to memory of 4544	4296	607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe	95
PID 4296 wrote to memory of 4544	4296	607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe	95
PID 4296 wrote to memory of 3496	4296	607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe	96
PID 4296 wrote to memory of 3496	4296	607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe	96
PID 4296 wrote to memory of 3672	4296	607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe	97
PID 4296 wrote to memory of 3672	4296	607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe	97
PID 4296 wrote to memory of 3672	4296	607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe	97

C:\Users\Admin\AppData\Local\Temp\607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\607e598bb7d6a5804cacb9fce9da3757_JaffaCakes118.exe"
1⤵
- Modifies Installed Components in the registry
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4296
- C:\Windows\SysWOW64\svchost.exe
  svchost.exe
  2⤵
  - Modifies Installed Components in the registry
  - Adds Run key to start application
  PID:2348
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:1672
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:5076
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:2920
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  PID:4544
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  PID:3496
- C:\Windows\SysWOW64\explorer.exe
  explorer.exe
  2⤵
  PID:3672

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=1344 --field-trial-handle=2744,i,16362475727591565961,3676688664819797550,262144 --variations-seed-version /prefetch:8
1⤵
PID:3132

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

2

T1547.001

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

Server.exe

Path C:\Windows\SysWOW64\InstallDir\Server.exe
Size 45KB
SHA256 5cd0bb9be9e382ea7600a496781f12004eb75df396d9ec12e411f8d40595fa6c
MD5 607e598bb7d6a5804cacb9fce9da3757
SHA1 69a7d926229afd41db2e400adb69f2607bc672ba
SHA512 3a2941ef179892d564a3b176101d2ecf8c47b9460cd39d1e2edca626945164cd3809202d4daba37961a3ecb7f0cbb679f9076ee8d579c7a474ff5d445dfad897
SSDEEP 768:PBr+tjFY90iY6W1jwmDzKgEFQXaklMIAn0tYCpPQzon:ZyRh31jxPEFQXak+05Aon
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/2348-3-0x0000000000C80000-0x0000000000C93000-memory.dmp

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memory/4296-9-0x0000000000C80000-0x0000000000C93000-memory.dmp

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memory/5076-6-0x0000000000C80000-0x0000000000C93000-memory.dmp

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memory/5076-8-0x0000000000C80000-0x0000000000C93000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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