rhadamanthys | 988ac9e194dbe48358cb0bc14bb0872b7fb483c4dfdb9ab55d1f0e7f385f52be

General

Target

dca16a0e7bdc4968f1988c2d38db133a0e742edf702c923b4f4a3c2f3bdaacf5.exe
Size

149KB
MD5

221c3bf6b4e3c355fdce087122511fe4
SHA1

975c36eb0442edd4d42996a3dd554ab36f95ff55
SHA256

dca16a0e7bdc4968f1988c2d38db133a0e742edf702c923b4f4a3c2f3bdaacf5
SHA512

edacc09d25e4c9d1d19885abe2fea72aff44e75862d9c3f1aa158edf5c40d635551abb820e89533696a4e9f3664e45c18f112a2a81e94d3badf13ed0b5acbcb4
SSDEEP

3072:sY8Ah6pPHmZbnjL9/LZHR29C6BoFQ9QQMb7d2Y+lO662kosOgl7A8lhOlAETZeiS:h8AhKvmZbjL9/lHR29vkQ9lMUSnbOgl7

Score

10^/10

rhadamanthys collection discovery spyware stealer

Malware Config

Signatures

Detect rhadamanthys stealer shellcode 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/5036-132-0x00000000005A0000-0x00000000005BD000-memory.dmp	family_rhadamanthys
behavioral2/memory/5036-139-0x00000000005A0000-0x00000000005BD000-memory.dmp	family_rhadamanthys

Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
stealer rhadamanthys
Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow pid process

17 3720 rundll32.exe
Loads dropped DLL 1 IoCs

Processes:

rundll32.exe

pid process

3720 rundll32.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

flow	pid	process
17	3720	rundll32.exe

pid	process
3720	rundll32.exe

Accesses Microsoft Outlook profiles 1 TTPs 6 IoCs

collection

Email Collection

T1114

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\10.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\11.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\12.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of NtSetInformationThreadHideFromDebugger 3 IoCs

Processes:

dca16a0e7bdc4968f1988c2d38db133a0e742edf702c923b4f4a3c2f3bdaacf5.exe

pid	process
5036	dca16a0e7bdc4968f1988c2d38db133a0e742edf702c923b4f4a3c2f3bdaacf5.exe
5036	dca16a0e7bdc4968f1988c2d38db133a0e742edf702c923b4f4a3c2f3bdaacf5.exe
5036	dca16a0e7bdc4968f1988c2d38db133a0e742edf702c923b4f4a3c2f3bdaacf5.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1256 3720 WerFault.exe rundll32.exe

pid	pid_target	process	target process
1256	3720	WerFault.exe	rundll32.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

rundll32.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	rundll32.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	rundll32.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

rundll32.exe

pid process

3720 rundll32.exe
3720 rundll32.exe
3720 rundll32.exe
3720 rundll32.exe

pid	process
3720	rundll32.exe
3720	rundll32.exe
3720	rundll32.exe
3720	rundll32.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

dca16a0e7bdc4968f1988c2d38db133a0e742edf702c923b4f4a3c2f3bdaacf5.exe

description	pid	process	target process
PID 5036 wrote to memory of 3720	5036	dca16a0e7bdc4968f1988c2d38db133a0e742edf702c923b4f4a3c2f3bdaacf5.exe	rundll32.exe
PID 5036 wrote to memory of 3720	5036	dca16a0e7bdc4968f1988c2d38db133a0e742edf702c923b4f4a3c2f3bdaacf5.exe	rundll32.exe

outlook_office_path 1 IoCs

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	rundll32.exe

outlook_win_path 1 IoCs

Processes:

rundll32.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook	rundll32.exe

C:\Users\Admin\AppData\Local\Temp\dca16a0e7bdc4968f1988c2d38db133a0e742edf702c923b4f4a3c2f3bdaacf5.exe
"C:\Users\Admin\AppData\Local\Temp\dca16a0e7bdc4968f1988c2d38db133a0e742edf702c923b4f4a3c2f3bdaacf5.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:5036

C:\Windows\system32\rundll32.exe
"C:\Users\Admin\AppData\Roaming\nsis_unse56ebfb.dll",PrintUIEntry |5CQkOhmAAAA|1TKr5GsMwYD|67sDqg8OAAl|xYmwxC0TNSO|1k8B3tZkgiyf2sAZQByAG4XAP9sADMAMgAuAKVkHwBs8|AtBQPz8Hb7AEQXADMATABm7wBtAHE9AHgAQr8ASgBiAHQtAln|SIPsKOgEAgD|AEiDxCjDzMz|zEyJRCQYSIn|VCQQSIlMJAj+XQFIi0QkMEiJ2wQkgQE4SG8ACEhvx0QkEC0B6w6BAV8QSIPAAY8BEIEBt0BIOZYAcyWfA4v|DCRIA8hIi8HXSItMqwFUewAD0f9Ii8qKCYgI6|3BZgVlSIsEJWD+8|AzyUiLUBhI|zvRdDZIg8Ig|0iLAkg7wnQq|2aDeEgYdRpM|4tAUGZBgzhru3QHERFLdQgREHj|EC50BUiLAOuv1UiLSP0AwWoAQP9TVVZXQVRBVe9BVkFXXQFmgTn|TVpNi|hMi|K|SIvZD4X88|BM|2NJPEGBPAlQv0UAAA+F6vPwQe+LhAmI8|CFwEi|jTwBD4TWahGDd7wJjC0BD4TH8|D|RItnIESLXxz|i3ckRItPGEz|A+FMA9lIA|H|M8lFhckPhKT+8|BNi8RBixBF|zPSSAPTigKE|8B0HUHByg0Pe77A+gABRAPQvxH|dexBgfqq|A3|fHQOg8EBSYP|wARBO8lzaev|xovBD7cMTkX|iyyLTAPrdFj7M+2qEHRRQYsU|sEA0zPJigJMi9|C6w|BycgRA8je5RABQYoA1RDtM3|AM|ZBOwy24BD+pgCDxgGD+Ahy|+7rCkiLy0H|f9VJiQT3g8XkEH|EBDtvGHKvZgH|QV9BXkFdQVzvX15dWzMXSIHs+2ABZACL6ehm|v|||0iFwA+EmNZ1IEyNrwGLKxDIM|f|6Jt9II1fBEz|jUVGM9KLy||3VCRogCBMi+AP64RrdSBFqBAzwIt905EgSIl8JCCmIP1wgCBIi|APhEv8dSCmIFBIjVYIRH+NR0BIjYwkhRG|SIvY6Hz9fiCNq1ZI3iAQ4iHM8|Do|WfvIESLBo1XCPRBIKYgWMohiYQkgNqHEt7z8IsO2iBYiWOMJHERBzCRIOgx7yD7i5wtMkyLXTpI74P7bEiKIDBMib9kJDhMi6QaMky7iVyEAYQk3IcRhu2SjRGNR0swjCTwfvPwSYvU6On8BTC7ipx4MkiNhHgyQf+A8yGNT2xEMP0YpAKD6QF184H9vHgyIVJleHVN74uEJPQiMZQk+P41AcJIO9hyOIP|+mx2M0SNSUCe+gCUQbgAmACmIECeyiL4dBlEtjDAMUnvjVQkbJEgSYPod2zoa4IwSIvOpiD|eEiF|3QSi1XzQkyOMBsxSI1MJD9A|9dIgcR0IWEkAC0ILQE=
2⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- outlook_office_path
- outlook_win_path
PID:3720

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 3720 -s 472
3⤵
- Program crash
PID:1256

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 444 -p 3720 -ip 3720
1⤵
PID:448

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

1

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\nsis_unse56ebfb.dll
Filesize
57KB

MD5
0b669e2eaf21429d273cf40b096166af

SHA1
4986b0e729eb6cb3efda0a092aeb9d3ba1d4bd33

SHA256
a9a836a6e05c15f433da48f6782e8a0db4dfeb0539b2f8f04318013b14a048b8

SHA512
23b1d1c3e1600f52dfd3f01bf9712ade579b29b51017b939f7309f31d0599808f217003a46d8c04398a3db3755c008ce1073d21be3ee951ca331e7bff4d84872

Download Submit
C:\Users\Admin\AppData\Roaming\nsis_unse56ebfb.dll
Filesize
57KB

MD5
0b669e2eaf21429d273cf40b096166af

SHA1
4986b0e729eb6cb3efda0a092aeb9d3ba1d4bd33

SHA256
a9a836a6e05c15f433da48f6782e8a0db4dfeb0539b2f8f04318013b14a048b8

SHA512
23b1d1c3e1600f52dfd3f01bf9712ade579b29b51017b939f7309f31d0599808f217003a46d8c04398a3db3755c008ce1073d21be3ee951ca331e7bff4d84872

Download Submit
memory/3720-133-0x0000000000000000-mapping.dmp

Download
memory/3720-137-0x00000177F1530000-0x00000177F1537000-memory.dmp

Filesize
28KB

Download
memory/3720-138-0x00007FF4A48C0000-0x00007FF4A49B9000-memory.dmp

Filesize
996KB

Download
memory/3720-140-0x00007FF4A48C0000-0x00007FF4A49B9000-memory.dmp

Filesize
996KB

Download
memory/3720-141-0x00007FF4A48C0000-0x00007FF4A49B9000-memory.dmp

Filesize
996KB

Download
memory/3720-142-0x0000000010000000-0x0000000010013000-memory.dmp

Filesize
76KB

Download
memory/5036-132-0x00000000005A0000-0x00000000005BD000-memory.dmp

Filesize
116KB

Download
memory/5036-136-0x0000000002280000-0x0000000003280000-memory.dmp

Filesize
16.0MB

Download
memory/5036-139-0x00000000005A0000-0x00000000005BD000-memory.dmp

Filesize
116KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads