urelas | 74aa019566ec3267791f75f24f4da3c3cc6b9814b37da8dea287639dcc5c51a5

General

Target

74aa019566ec3267791f75f24f4da3c3cc6b9814b37da8dea287639dcc5c51a5N.exe
Size

51KB
MD5

de6a83dccbb4637f6998ab3d902bc520
SHA1

3dbbd9e0e3fb9cac1a1f11ed770d7d272a5a0ffd
SHA256

74aa019566ec3267791f75f24f4da3c3cc6b9814b37da8dea287639dcc5c51a5
SHA512

54839947280f83df6340d1ea3b5b14c1fcb40221d6d848426c10e8897e2a32c0ea76801a73c089aed8ac68c9c156a6213682bd5cc9883c0b8eaf8e7d310d5838
SSDEEP

1536:lVeVFl6sRsDnQi1Mek/pFRMfKaP7cFwQkXuJXqmrM:v23sD1vSP6cOYXqm4

Score

10^/10

urelas discovery trojan

Malware Config

Extracted

Family

urelas

C2

218.54.47.76

218.54.47.77

218.54.47.74

Signatures

Urelas
Urelas is a trojan targeting card games.
trojan urelas
Urelas family
urelas

Deletes itself 1 IoCs

pid	Process
2696	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2820	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2280	74aa019566ec3267791f75f24f4da3c3cc6b9814b37da8dea287639dcc5c51a5N.exe

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

System Information Discovery
T1082

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	74aa019566ec3267791f75f24f4da3c3cc6b9814b37da8dea287639dcc5c51a5N.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2820	2280	74aa019566ec3267791f75f24f4da3c3cc6b9814b37da8dea287639dcc5c51a5N.exe	31
PID 2280 wrote to memory of 2820	2280	74aa019566ec3267791f75f24f4da3c3cc6b9814b37da8dea287639dcc5c51a5N.exe	31
PID 2280 wrote to memory of 2820	2280	74aa019566ec3267791f75f24f4da3c3cc6b9814b37da8dea287639dcc5c51a5N.exe	31
PID 2280 wrote to memory of 2820	2280	74aa019566ec3267791f75f24f4da3c3cc6b9814b37da8dea287639dcc5c51a5N.exe	31
PID 2280 wrote to memory of 2696	2280	74aa019566ec3267791f75f24f4da3c3cc6b9814b37da8dea287639dcc5c51a5N.exe	32
PID 2280 wrote to memory of 2696	2280	74aa019566ec3267791f75f24f4da3c3cc6b9814b37da8dea287639dcc5c51a5N.exe	32
PID 2280 wrote to memory of 2696	2280	74aa019566ec3267791f75f24f4da3c3cc6b9814b37da8dea287639dcc5c51a5N.exe	32
PID 2280 wrote to memory of 2696	2280	74aa019566ec3267791f75f24f4da3c3cc6b9814b37da8dea287639dcc5c51a5N.exe	32

C:\Users\Admin\AppData\Local\Temp\74aa019566ec3267791f75f24f4da3c3cc6b9814b37da8dea287639dcc5c51a5N.exe
"C:\Users\Admin\AppData\Local\Temp\74aa019566ec3267791f75f24f4da3c3cc6b9814b37da8dea287639dcc5c51a5N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Users\Admin\AppData\Local\Temp\biudfw.exe
  "C:\Users\Admin\AppData\Local\Temp\biudfw.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2820
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\biudfw.exe

Filesize
51KB

MD5
0200b5d41910c1c56edf6411373cd87c

SHA1
3fce4f7314c20b15329431018691e09799566a0d

SHA256
68edac7087c7a22998200101a370b8880adb67956573d24bb6b0d0dad5c6b515

SHA512
2589d6856a6c5027575eef6dccd196770268af99bb215a4c80d8c2d4608dcac73b6c6dddf3e9657a6c2b3b654bebebd34494f0135dfa0fc5fffc373fdca1e900

Download Submit
C:\Users\Admin\AppData\Local\Temp\golfinfo.ini

Filesize
512B

MD5
7c1d9e0f564b1e893792dcef5f902a27

SHA1
f8ff96c98d41f1ce0a31d78f56796284c5e47e3d

SHA256
c0b7315aed511cab0685b0bbbcfa2cb7f3e9c36e58f6d7f1576fad807800add7

SHA512
ef6a5eccec808909c7317359908b6cb46e8e074aff903114988b00a237180606257545bd36e5cea9521b13ba19923cd768a3d701f7fdf391a4bd41cdec606fba

Download Submit
C:\Users\Admin\AppData\Local\Temp\sanfdr.bat

Filesize
340B

MD5
5b83a538cbb9a399fc4feee00139097c

SHA1
f52f8ecd0377966c61200cb457d3b60a69430352

SHA256
6dcbb984100ba97e00740ee28579060ea36582418cf17fd86bddd8d56d47527d

SHA512
b7a0792900f7c62ccc8a60892ddf685b858c870b904fb0e7ad0279b4577c6617bf5a4f7172f22d138289171c940b27492aac20e4df2eb3db74041c0a9a67c471

Download Submit
memory/2280-10-0x0000000000260000-0x0000000000288000-memory.dmp

Filesize
160KB

Download
memory/2280-1-0x0000000000020000-0x0000000000022000-memory.dmp

Filesize
8KB

Download
memory/2280-20-0x00000000000F0000-0x0000000000118000-memory.dmp

Filesize
160KB

Download
memory/2280-0-0x00000000000F0000-0x0000000000118000-memory.dmp

Filesize
160KB

Download
memory/2820-11-0x0000000001030000-0x0000000001058000-memory.dmp

Filesize
160KB

Download
memory/2820-21-0x0000000000020000-0x0000000000022000-memory.dmp

Filesize
8KB

Download
memory/2820-24-0x0000000001030000-0x0000000001058000-memory.dmp

Filesize
160KB

Download
memory/2820-25-0x0000000000020000-0x0000000000022000-memory.dmp

Filesize
8KB

Download
memory/2820-27-0x0000000001030000-0x0000000001058000-memory.dmp

Filesize
160KB

Download
memory/2820-34-0x0000000001030000-0x0000000001058000-memory.dmp

Filesize
160KB

Download

Analysis

Sharing