urelas | e617ae79347e23e7aca6ff543945f2a576b9cee0b59256602fb1def768b2e461

General

Target

e617ae79347e23e7aca6ff543945f2a576b9cee0b59256602fb1def768b2e461N.exe
Size

51KB
MD5

661a249cf780d55198ae7370d5a3d350
SHA1

6281c61e873f5ab5b8646518000b22ee49e8beb1
SHA256

e617ae79347e23e7aca6ff543945f2a576b9cee0b59256602fb1def768b2e461
SHA512

6913c2a82b5f58dcbac78bcd2f4aee98b5ad6f302cfffc03b04bc6621f3aff60bab61927e9ee58335f00a0739b9b913c48316224dbdb0d0ab9d0d206fd89ff15
SSDEEP

1536:lVeVFl6sRsDnQi1Mek/pFRMfKaP7cFwQkXuJXqmrh:v23sD1vSP6cOYXqmF

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	e617ae79347e23e7aca6ff543945f2a576b9cee0b59256602fb1def768b2e461N.exe

Executes dropped EXE 1 IoCs

pid	Process
4664	biudfw.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	e617ae79347e23e7aca6ff543945f2a576b9cee0b59256602fb1def768b2e461N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2824 wrote to memory of 4664	2824	e617ae79347e23e7aca6ff543945f2a576b9cee0b59256602fb1def768b2e461N.exe	89
PID 2824 wrote to memory of 4664	2824	e617ae79347e23e7aca6ff543945f2a576b9cee0b59256602fb1def768b2e461N.exe	89
PID 2824 wrote to memory of 4664	2824	e617ae79347e23e7aca6ff543945f2a576b9cee0b59256602fb1def768b2e461N.exe	89
PID 2824 wrote to memory of 3032	2824	e617ae79347e23e7aca6ff543945f2a576b9cee0b59256602fb1def768b2e461N.exe	90
PID 2824 wrote to memory of 3032	2824	e617ae79347e23e7aca6ff543945f2a576b9cee0b59256602fb1def768b2e461N.exe	90
PID 2824 wrote to memory of 3032	2824	e617ae79347e23e7aca6ff543945f2a576b9cee0b59256602fb1def768b2e461N.exe	90

C:\Users\Admin\AppData\Local\Temp\e617ae79347e23e7aca6ff543945f2a576b9cee0b59256602fb1def768b2e461N.exe
"C:\Users\Admin\AppData\Local\Temp\e617ae79347e23e7aca6ff543945f2a576b9cee0b59256602fb1def768b2e461N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2824
- 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:4664
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

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\biudfw.exe

Filesize
51KB

MD5
b9431a0e5eb1cb0d560e836981970bcb

SHA1
1037f2f3bee8ac23bd5a8739e42dcb9eb07992ed

SHA256
913fe5e91610c51a1674af8720b174c4543f858eb9b02af448343fce8ac8de75

SHA512
f045ee7f2b34854ba7e2361a1df6f9785bebded23dacb390ee2c497b5c9674d011936a8d692ebd94d7139ab739a35471303c9721b83535c69b57e094da24a338

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
dd8d00d4eccc94e245d82b00239968bb

SHA1
8e8edf4d88b36426a2af00abb964745c8a96b030

SHA256
f78fa0f12b4fdf01bd30c47ed0a90493cf120ab17ce7b4bc250858257427e01a

SHA512
32db765ac1ef1a18092ab2b09ed1c71db05914b2523058a266967e56a3c2b8f73084aef7abc7f6089023bd755e926ba286465795b22341283285e5113fcc963e

Download Submit
memory/2824-0-0x0000000000660000-0x0000000000688000-memory.dmp

Filesize
160KB

Download
memory/2824-1-0x0000000000FF0000-0x0000000000FF2000-memory.dmp

Filesize
8KB

Download
memory/2824-20-0x0000000000660000-0x0000000000688000-memory.dmp

Filesize
160KB

Download
memory/4664-17-0x00000000007D0000-0x00000000007D2000-memory.dmp

Filesize
8KB

Download
memory/4664-16-0x0000000000570000-0x0000000000598000-memory.dmp

Filesize
160KB

Download
memory/4664-23-0x00000000007D0000-0x00000000007D2000-memory.dmp

Filesize
8KB

Download
memory/4664-24-0x0000000000570000-0x0000000000598000-memory.dmp

Filesize
160KB

Download
memory/4664-26-0x0000000000570000-0x0000000000598000-memory.dmp

Filesize
160KB

Download
memory/4664-33-0x0000000000570000-0x0000000000598000-memory.dmp

Filesize
160KB

Download

Analysis

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