Behavioral Report

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

TTPs:

Data from Local System Credentials in Files

flow	pid	process
17	3720	rundll32.exe

pid	process
3720	rundll32.exe

Accesses Microsoft Outlook profiles ⋅ 1 TTPs 6 IoCs

collection

TTPs:

Email Collection

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

TTPs:

Query Registry

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.

TTPs:

Query Registry System Information Discovery

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"

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=

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

Program crash

PID:1256

C:\Windows\system32\WerFault.exe

C:\Windows\system32\WerFault.exe -pss -s 444 -p 3720 -ip 3720

PID:448

Network

MITRE ATT&CK Matrix

Collection

Command and Control

Credential Access

Credentials in Files

Defense Evasion

Discovery

Execution

Exfiltration

Impact

Initial Access

Lateral Movement

Persistence

Privilege Escalation

Replay Monitor

00:00 00:00

Downloads

C:\Users\Admin\AppData\Roaming\nsis_unse56ebfb.dll
MD5
0b669e2eaf21429d273cf40b096166af

SHA1
4986b0e729eb6cb3efda0a092aeb9d3ba1d4bd33

SHA256
a9a836a6e05c15f433da48f6782e8a0db4dfeb0539b2f8f04318013b14a048b8

SHA512
23b1d1c3e1600f52dfd3f01bf9712ade579b29b51017b939f7309f31d0599808f217003a46d8c04398a3db3755c008ce1073d21be3ee951ca331e7bff4d84872

Download Submit
C:\Users\Admin\AppData\Roaming\nsis_unse56ebfb.dll
MD5
0b669e2eaf21429d273cf40b096166af

SHA1
4986b0e729eb6cb3efda0a092aeb9d3ba1d4bd33

SHA256
a9a836a6e05c15f433da48f6782e8a0db4dfeb0539b2f8f04318013b14a048b8

SHA512
23b1d1c3e1600f52dfd3f01bf9712ade579b29b51017b939f7309f31d0599808f217003a46d8c04398a3db3755c008ce1073d21be3ee951ca331e7bff4d84872

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

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

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

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

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

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

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

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

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

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Downloads