rhadamanthys | hxxp://85[.]239[.]33[.]148/coordinate/sistercompetitivepro[.]zip

General

Target

http://85.239.33.148/coordinate/sistercompetitivepro.zip

Score

10^/10

rhadamanthys discovery persistence stealer

Malware Config

Extracted

Family

rhadamanthys

C2

https://45.202.35.41:2085/498d0f4cfcafbce1543c5cc/10m$

Signatures

Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
stealer rhadamanthys
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

AddInProcess32.exe

description pid process target process

PID 1688 created 3016 1688 AddInProcess32.exe sihost.exe
Executes dropped EXE 1 IoCs

Processes:

sistercompetitive.exe

pid process

4768 sistercompetitive.exe

description	pid	process	target process
PID 1688 created 3016	1688	AddInProcess32.exe	sihost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

sistercompetitivepro.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	sistercompetitivepro.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

sistercompetitive.exe

description pid process target process

PID 4768 set thread context of 1688 4768 sistercompetitive.exe AddInProcess32.exe
Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid pid_target process target process

2820 1688 WerFault.exe AddInProcess32.exe
4472 1688 WerFault.exe AddInProcess32.exe

description	pid	process	target process
PID 4768 set thread context of 1688	4768	sistercompetitive.exe	AddInProcess32.exe

pid	pid_target	process	target process
2820	1688	WerFault.exe	AddInProcess32.exe
4472	1688	WerFault.exe	AddInProcess32.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

AddInProcess32.exeopenwith.exesistercompetitive.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AddInProcess32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	openwith.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sistercompetitive.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

Processes:

sistercompetitive.exeAddInProcess32.exeopenwith.exe

pid	process
4768	sistercompetitive.exe
4768	sistercompetitive.exe
4768	sistercompetitive.exe
4768	sistercompetitive.exe
1688	AddInProcess32.exe
1688	AddInProcess32.exe
3324	openwith.exe
3324	openwith.exe
3324	openwith.exe
3324	openwith.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

sistercompetitive.exe

description pid process

Token: SeDebugPrivilege 4768 sistercompetitive.exe

description	pid	process
Token: SeDebugPrivilege	4768	sistercompetitive.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

sistercompetitivepro.exesistercompetitive.exeAddInProcess32.exe

description	pid	process	target process
PID 1648 wrote to memory of 4768	1648	sistercompetitivepro.exe	sistercompetitive.exe
PID 1648 wrote to memory of 4768	1648	sistercompetitivepro.exe	sistercompetitive.exe
PID 1648 wrote to memory of 4768	1648	sistercompetitivepro.exe	sistercompetitive.exe
PID 4768 wrote to memory of 1688	4768	sistercompetitive.exe	AddInProcess32.exe
PID 4768 wrote to memory of 1688	4768	sistercompetitive.exe	AddInProcess32.exe
PID 4768 wrote to memory of 1688	4768	sistercompetitive.exe	AddInProcess32.exe
PID 4768 wrote to memory of 1688	4768	sistercompetitive.exe	AddInProcess32.exe
PID 4768 wrote to memory of 1688	4768	sistercompetitive.exe	AddInProcess32.exe
PID 4768 wrote to memory of 1688	4768	sistercompetitive.exe	AddInProcess32.exe
PID 4768 wrote to memory of 1688	4768	sistercompetitive.exe	AddInProcess32.exe
PID 4768 wrote to memory of 1688	4768	sistercompetitive.exe	AddInProcess32.exe
PID 4768 wrote to memory of 1688	4768	sistercompetitive.exe	AddInProcess32.exe
PID 4768 wrote to memory of 1688	4768	sistercompetitive.exe	AddInProcess32.exe
PID 1688 wrote to memory of 3324	1688	AddInProcess32.exe	openwith.exe
PID 1688 wrote to memory of 3324	1688	AddInProcess32.exe	openwith.exe
PID 1688 wrote to memory of 3324	1688	AddInProcess32.exe	openwith.exe
PID 1688 wrote to memory of 3324	1688	AddInProcess32.exe	openwith.exe
PID 1688 wrote to memory of 3324	1688	AddInProcess32.exe	openwith.exe

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:3016
- C:\Windows\SysWOW64\openwith.exe
  "C:\Windows\system32\openwith.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:3324

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://85.239.33.148/coordinate/sistercompetitivepro.zip
1⤵
PID:2820

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=16 --field-trial-handle=4272,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=4852 /prefetch:1
1⤵
PID:4020

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=15 --field-trial-handle=4284,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=3808 /prefetch:1
1⤵
PID:220

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 --field-trial-handle=5476,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=5500 /prefetch:8
1⤵
PID:4992

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=entity_extraction_service.mojom.Extractor --lang=en-US --service-sandbox-type=entity_extraction --onnx-enabled-for-ee --field-trial-handle=5512,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=5684 /prefetch:8
1⤵
PID:1268

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_collections.mojom.CollectionsDataManager --lang=en-US --service-sandbox-type=collections --field-trial-handle=6152,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=6216 /prefetch:8
1⤵
PID:2252

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --enable-dinosaur-easter-egg-alt-images --disable-gpu-compositing --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=20 --field-trial-handle=6160,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=6244 /prefetch:1
1⤵
PID:2004

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=chrome.mojom.FileUtilService --lang=en-US --service-sandbox-type=service --field-trial-handle=6076,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=6728 /prefetch:8
1⤵
PID:1216

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --field-trial-handle=6688,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=6896 /prefetch:8
1⤵
PID:5064

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:864

C:\Users\Admin\Downloads\sistercompetitivepro\sistercompetitivepro\sistercompetitivepro.exe
"C:\Users\Admin\Downloads\sistercompetitivepro\sistercompetitivepro\sistercompetitivepro.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sistercompetitive.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sistercompetitive.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4768
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
    3⤵
    - Suspicious use of NtCreateUserProcessOtherParentProcess
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of WriteProcessMemory
    PID:1688
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 480
      4⤵
      Program crash
      PID:2820
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1688 -s 488
      4⤵
      Program crash
      PID:4472

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=edge_search_indexer.mojom.SearchIndexerInterfaceBroker --lang=en-US --service-sandbox-type=search_indexer --message-loop-type-ui --field-trial-handle=6212,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=6200 /prefetch:8
1⤵
PID:4864

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1688 -ip 1688
1⤵
PID:2704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1688 -ip 1688
1⤵
PID:2268

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\sistercompetitive.exe

Filesize
7.3MB

MD5
b6798b22a6a137c247daa62fe852d953

SHA1
597e7265d7918556c1d019d58ceadd504f48a854

SHA256
471c981c11df004b941dad0175bc435f9c901bcb968ba9582f1a2181443d9ef4

SHA512
a31b751173dbf50ec728d7f031c1d22de5e66120e8852110253071669f58a36b28c8769f9e8cebc88aa317348069bc7122842f428ccc643758a6e082218019b7

Download Submit
memory/1688-25-0x0000000003A00000-0x0000000003E00000-memory.dmp

Filesize
4.0MB

Download
memory/1688-28-0x0000000003A00000-0x0000000003E00000-memory.dmp

Filesize
4.0MB

Download
memory/1688-19-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1688-37-0x0000000003A00000-0x0000000003E00000-memory.dmp

Filesize
4.0MB

Download
memory/1688-21-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1688-24-0x0000000003A00000-0x0000000003E00000-memory.dmp

Filesize
4.0MB

Download
memory/1688-18-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/1688-26-0x0000000003A00000-0x0000000003E00000-memory.dmp

Filesize
4.0MB

Download
memory/1688-27-0x00007FFA4DD30000-0x00007FFA4DF25000-memory.dmp

Filesize
2.0MB

Download
memory/1688-30-0x0000000076A20000-0x0000000076C35000-memory.dmp

Filesize
2.1MB

Download
memory/1688-23-0x0000000000400000-0x000000000047E000-memory.dmp

Filesize
504KB

Download
memory/3324-31-0x0000000001020000-0x0000000001029000-memory.dmp

Filesize
36KB

Download
memory/3324-33-0x0000000002D20000-0x0000000003120000-memory.dmp

Filesize
4.0MB

Download
memory/3324-36-0x0000000076A20000-0x0000000076C35000-memory.dmp

Filesize
2.1MB

Download
memory/3324-34-0x00007FFA4DD30000-0x00007FFA4DF25000-memory.dmp

Filesize
2.0MB

Download
memory/4768-13-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/4768-16-0x0000000005A20000-0x0000000005A3A000-memory.dmp

Filesize
104KB

Download
memory/4768-8-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/4768-7-0x0000000005420000-0x00000000054BC000-memory.dmp

Filesize
624KB

Download
memory/4768-17-0x0000000005CA0000-0x0000000005CA6000-memory.dmp

Filesize
24KB

Download
memory/4768-5-0x00000000750CE000-0x00000000750CF000-memory.dmp

Filesize
4KB

Download
memory/4768-22-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/4768-15-0x00000000750C0000-0x0000000075870000-memory.dmp

Filesize
7.7MB

Download
memory/4768-14-0x00000000750CE000-0x00000000750CF000-memory.dmp

Filesize
4KB

Download
memory/4768-6-0x0000000000030000-0x0000000000778000-memory.dmp

Filesize
7.3MB

Download
memory/4768-12-0x0000000005550000-0x000000000555A000-memory.dmp

Filesize
40KB

Download
memory/4768-11-0x00000000057C0000-0x0000000005852000-memory.dmp

Filesize
584KB

Download
memory/4768-10-0x0000000005CD0000-0x0000000006274000-memory.dmp

Filesize
5.6MB

Download
memory/4768-9-0x0000000005570000-0x000000000560E000-memory.dmp

Filesize
632KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads