rhadamanthys | 759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa

General

Target

ementhaler.update.exe
Size

21.8MB
MD5

ab5a93d844776c6be7b172dca3cad543
SHA1

b0056b6766a6f948e052930b17e577c157b7c3ce
SHA256

759b0415519b5614289e59ad876353e87af67bd427004ade714d4c72a8fc16aa
SHA512

51fb84e5a4710b6b7abbe5fc8f6b12ade3718bb11815b13cd758eb67d85f61b85ac05efd25a017026ce841f9774344b9be118d3f512e64b4e72c045de4054528
SSDEEP

196608:n14r5TXfhoeNMdRqPUQgOqU0PqaVVoJATCWH1292ukfbLgokl1hiMjqkmsXAWVFv:n2r6UDqU0yYwx19jq+l5lmp34bFf

Score

10^/10

rhadamanthys discovery stealer

Malware Config

Extracted

Family

rhadamanthys

C2

https://185.196.11.237:9697/f002171ab05c7/s7fxej1k.pmbis

Signatures

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

Processes:

calc.exe

description pid process target process

PID 2552 created 2580 2552 calc.exe sihost.exe
Executes dropped EXE 1 IoCs

Processes:

calc.exe

pid process

2552 calc.exe

description	pid	process	target process
PID 2552 created 2580	2552	calc.exe	sihost.exe

pid	process
2552	calc.exe

Enumerates connected drives 3 TTPs 48 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

ementhaler.update.exe

description	ioc	process
File opened (read-only)	\??\b:	ementhaler.update.exe
File opened (read-only)	\??\h:	ementhaler.update.exe
File opened (read-only)	\??\x:	ementhaler.update.exe
File opened (read-only)	\??\X:	ementhaler.update.exe
File opened (read-only)	\??\y:	ementhaler.update.exe
File opened (read-only)	\??\S:	ementhaler.update.exe
File opened (read-only)	\??\W:	ementhaler.update.exe
File opened (read-only)	\??\D:	ementhaler.update.exe
File opened (read-only)	\??\j:	ementhaler.update.exe
File opened (read-only)	\??\l:	ementhaler.update.exe
File opened (read-only)	\??\m:	ementhaler.update.exe
File opened (read-only)	\??\N:	ementhaler.update.exe
File opened (read-only)	\??\O:	ementhaler.update.exe
File opened (read-only)	\??\A:	ementhaler.update.exe
File opened (read-only)	\??\E:	ementhaler.update.exe
File opened (read-only)	\??\L:	ementhaler.update.exe
File opened (read-only)	\??\u:	ementhaler.update.exe
File opened (read-only)	\??\z:	ementhaler.update.exe
File opened (read-only)	\??\t:	ementhaler.update.exe
File opened (read-only)	\??\a:	ementhaler.update.exe
File opened (read-only)	\??\B:	ementhaler.update.exe
File opened (read-only)	\??\e:	ementhaler.update.exe
File opened (read-only)	\??\H:	ementhaler.update.exe
File opened (read-only)	\??\i:	ementhaler.update.exe
File opened (read-only)	\??\I:	ementhaler.update.exe
File opened (read-only)	\??\w:	ementhaler.update.exe
File opened (read-only)	\??\Z:	ementhaler.update.exe
File opened (read-only)	\??\G:	ementhaler.update.exe
File opened (read-only)	\??\p:	ementhaler.update.exe
File opened (read-only)	\??\P:	ementhaler.update.exe
File opened (read-only)	\??\Q:	ementhaler.update.exe
File opened (read-only)	\??\s:	ementhaler.update.exe
File opened (read-only)	\??\V:	ementhaler.update.exe
File opened (read-only)	\??\g:	ementhaler.update.exe
File opened (read-only)	\??\k:	ementhaler.update.exe
File opened (read-only)	\??\K:	ementhaler.update.exe
File opened (read-only)	\??\n:	ementhaler.update.exe
File opened (read-only)	\??\r:	ementhaler.update.exe
File opened (read-only)	\??\R:	ementhaler.update.exe
File opened (read-only)	\??\T:	ementhaler.update.exe
File opened (read-only)	\??\v:	ementhaler.update.exe
File opened (read-only)	\??\Y:	ementhaler.update.exe
File opened (read-only)	\??\F:	ementhaler.update.exe
File opened (read-only)	\??\J:	ementhaler.update.exe
File opened (read-only)	\??\M:	ementhaler.update.exe
File opened (read-only)	\??\o:	ementhaler.update.exe
File opened (read-only)	\??\q:	ementhaler.update.exe
File opened (read-only)	\??\U:	ementhaler.update.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

ementhaler.update.exe

description pid process target process

PID 4456 set thread context of 2552 4456 ementhaler.update.exe calc.exe

description	pid	process	target process
PID 4456 set thread context of 2552	4456	ementhaler.update.exe	calc.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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:

calc.exeopenwith.exe

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

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

ementhaler.update.execalc.exeopenwith.exe

pid	process
4456	ementhaler.update.exe
4456	ementhaler.update.exe
4456	ementhaler.update.exe
4456	ementhaler.update.exe
4456	ementhaler.update.exe
4456	ementhaler.update.exe
4456	ementhaler.update.exe
4456	ementhaler.update.exe
2552	calc.exe
2552	calc.exe
3660	openwith.exe
3660	openwith.exe
3660	openwith.exe
3660	openwith.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

ementhaler.update.execalc.exe

description	pid	process	target process
PID 4456 wrote to memory of 2552	4456	ementhaler.update.exe	calc.exe
PID 4456 wrote to memory of 2552	4456	ementhaler.update.exe	calc.exe
PID 4456 wrote to memory of 2552	4456	ementhaler.update.exe	calc.exe
PID 4456 wrote to memory of 2552	4456	ementhaler.update.exe	calc.exe
PID 2552 wrote to memory of 3660	2552	calc.exe	openwith.exe
PID 2552 wrote to memory of 3660	2552	calc.exe	openwith.exe
PID 2552 wrote to memory of 3660	2552	calc.exe	openwith.exe
PID 2552 wrote to memory of 3660	2552	calc.exe	openwith.exe
PID 2552 wrote to memory of 3660	2552	calc.exe	openwith.exe

C:\Windows\system32\sihost.exe
sihost.exe
1⤵
PID:2580
- C:\Windows\SysWOW64\openwith.exe
  "C:\Windows\system32\openwith.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  PID:3660

C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe
"C:\Users\Admin\AppData\Local\Temp\ementhaler.update.exe"
1⤵
- Enumerates connected drives
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4456
- C:\Windows\SysWoW64\calc.exe
  C:\Windows\SysWoW64\calc.exe
  2⤵
  - Suspicious use of NtCreateUserProcessOtherParentProcess
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\THC87AE.tmp

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
memory/2552-20-0x0000000076430000-0x0000000076645000-memory.dmp

Filesize
2.1MB

Download
memory/2552-16-0x0000000003A80000-0x0000000003E80000-memory.dmp

Filesize
4.0MB

Download
memory/2552-14-0x0000000000680000-0x00000000006FE000-memory.dmp

Filesize
504KB

Download
memory/2552-15-0x0000000003A80000-0x0000000003E80000-memory.dmp

Filesize
4.0MB

Download
memory/2552-17-0x0000000003A80000-0x0000000003E80000-memory.dmp

Filesize
4.0MB

Download
memory/2552-18-0x00007FFAC2FD0000-0x00007FFAC31C5000-memory.dmp

Filesize
2.0MB

Download
memory/2552-24-0x0000000000680000-0x00000000006FE000-memory.dmp

Filesize
504KB

Download
memory/3660-30-0x0000000076430000-0x0000000076645000-memory.dmp

Filesize
2.1MB

Download
memory/3660-21-0x0000000000EB0000-0x0000000000EB9000-memory.dmp

Filesize
36KB

Download
memory/3660-27-0x00000000029F0000-0x0000000002DF0000-memory.dmp

Filesize
4.0MB

Download
memory/3660-28-0x00007FFAC2FD0000-0x00007FFAC31C5000-memory.dmp

Filesize
2.0MB

Download
memory/3660-31-0x00000000029F0000-0x0000000002DF0000-memory.dmp

Filesize
4.0MB

Download
memory/3660-32-0x00000000029F0000-0x0000000002DF0000-memory.dmp

Filesize
4.0MB

Download
memory/4456-8-0x0000000140000000-0x00000001415DA000-memory.dmp

Filesize
21.9MB

Download
memory/4456-13-0x0000000140000000-0x00000001415DA000-memory.dmp

Filesize
21.9MB

Download
memory/4456-10-0x0000000140000000-0x00000001415DA000-memory.dmp

Filesize
21.9MB

Download
memory/4456-6-0x00007FFAC10C0000-0x00007FFAC10C2000-memory.dmp

Filesize
8KB

Download
memory/4456-22-0x0000000140220000-0x0000000140BFB000-memory.dmp

Filesize
9.9MB

Download
memory/4456-7-0x00007FFAC10D0000-0x00007FFAC10D2000-memory.dmp

Filesize
8KB

Download
memory/4456-2-0x00007FFAC31E0000-0x00007FFAC31E2000-memory.dmp

Filesize
8KB

Download
memory/4456-3-0x00007FFAC31F0000-0x00007FFAC31F2000-memory.dmp

Filesize
8KB

Download
memory/4456-4-0x00007FFAC1860000-0x00007FFAC1862000-memory.dmp

Filesize
8KB

Download
memory/4456-5-0x00007FFAC1870000-0x00007FFAC1872000-memory.dmp

Filesize
8KB

Download
memory/4456-0-0x00007FFAC31D0000-0x00007FFAC31D2000-memory.dmp

Filesize
8KB

Download
memory/4456-1-0x0000000140220000-0x0000000140BFB000-memory.dmp

Filesize
9.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads