urelas | 797863e7e81c2300c16865f8f8d3c62867df75e65a8cb648d862aa7a8b9d4b63

General

Target

797863e7e81c2300c16865f8f8d3c62867df75e65a8cb648d862aa7a8b9d4b63.exe
Size

193KB
MD5

61680c917c1a19dac1b096853c2bcc5a
SHA1

16d8f43406c910483c0a4e1ea5327e0aa34058fc
SHA256

797863e7e81c2300c16865f8f8d3c62867df75e65a8cb648d862aa7a8b9d4b63
SHA512

fea54941f01c4391d6c307719f7c84fcead30a33f8ac3cc407d041969cb464ae58d6c86a1c9e5eabaa471f3d6b5fcc52be3b4d162bc63bb5f54d191a90273f07
SSDEEP

3072:gAwixCZ6Sh77R2Gpf606U8v0e7OIgPDFIbbzhPM67fIhA:gExhk7rh7NEOIYWlPM6r6A

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
2492	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1988	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
1552	797863e7e81c2300c16865f8f8d3c62867df75e65a8cb648d862aa7a8b9d4b63.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	797863e7e81c2300c16865f8f8d3c62867df75e65a8cb648d862aa7a8b9d4b63.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 8 IoCs

description	pid	Process	procid_target
PID 1552 wrote to memory of 1988	1552	797863e7e81c2300c16865f8f8d3c62867df75e65a8cb648d862aa7a8b9d4b63.exe	31
PID 1552 wrote to memory of 1988	1552	797863e7e81c2300c16865f8f8d3c62867df75e65a8cb648d862aa7a8b9d4b63.exe	31
PID 1552 wrote to memory of 1988	1552	797863e7e81c2300c16865f8f8d3c62867df75e65a8cb648d862aa7a8b9d4b63.exe	31
PID 1552 wrote to memory of 1988	1552	797863e7e81c2300c16865f8f8d3c62867df75e65a8cb648d862aa7a8b9d4b63.exe	31
PID 1552 wrote to memory of 2492	1552	797863e7e81c2300c16865f8f8d3c62867df75e65a8cb648d862aa7a8b9d4b63.exe	32
PID 1552 wrote to memory of 2492	1552	797863e7e81c2300c16865f8f8d3c62867df75e65a8cb648d862aa7a8b9d4b63.exe	32
PID 1552 wrote to memory of 2492	1552	797863e7e81c2300c16865f8f8d3c62867df75e65a8cb648d862aa7a8b9d4b63.exe	32
PID 1552 wrote to memory of 2492	1552	797863e7e81c2300c16865f8f8d3c62867df75e65a8cb648d862aa7a8b9d4b63.exe	32

C:\Users\Admin\AppData\Local\Temp\797863e7e81c2300c16865f8f8d3c62867df75e65a8cb648d862aa7a8b9d4b63.exe
"C:\Users\Admin\AppData\Local\Temp\797863e7e81c2300c16865f8f8d3c62867df75e65a8cb648d862aa7a8b9d4b63.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1552
- 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:1988
- 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:2492

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

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Downloads

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

Filesize
512B

MD5
2776cde4761cefd1198f4712989957b1

SHA1
c801245a080524e704e8e3da95700e58e9d1ca3c

SHA256
69ca5964abf7f1c054541bcc32f2712d3fa51342913affed5023825e3dca521f

SHA512
bdc242f5c69d10cbfa903bbf20448a9e93213ee303091f1ae9ff8d29c83250168491d9b553841f8ed9b756aef29c499eea3562ff9f94b5619012eb21d5d88c4a

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

Filesize
338B

MD5
1d0611bb97ead3fd92b0bfc8964a0dd4

SHA1
9956bfbaebb5b5d7d0b17cbe376a5e7739efb541

SHA256
3e2ac7efa69ec213edf95b542a7d34dad3c89a01971b08682f57efacec86fe83

SHA512
2cd31f644ecaf25a054aa7c742d6404a88a1c4d8490f4bde27b730924d613cbe5df3b481d320fc10414b1c68e086473dc2f220ef6f55798fd4c0e8f3bf767c7b

Download Submit
\Users\Admin\AppData\Local\Temp\biudfw.exe

Filesize
193KB

MD5
589b4c2a8d139af3e127203a34918e59

SHA1
0db20b1e45ad78a348f58171ba53a39bebe38fa3

SHA256
50fa8b3a4cda5d7ed1a3b42888762844e7ed2a050b15282e82aa8926eb6d0816

SHA512
cd073c3f6697ab03c724032a30078276531003ef60d478a07961f830c275510612e069e1f57ed38c10db67fe80d56e8a0c234bc0eda5789d472e868177da4133

Download Submit
memory/1552-0-0x0000000000E50000-0x0000000000E84000-memory.dmp

Filesize
208KB

Download
memory/1552-10-0x00000000005E0000-0x0000000000614000-memory.dmp

Filesize
208KB

Download
memory/1552-18-0x0000000000E50000-0x0000000000E84000-memory.dmp

Filesize
208KB

Download
memory/1988-16-0x00000000003F0000-0x0000000000424000-memory.dmp

Filesize
208KB

Download
memory/1988-21-0x00000000003F0000-0x0000000000424000-memory.dmp

Filesize
208KB

Download
memory/1988-22-0x00000000003F0000-0x0000000000424000-memory.dmp

Filesize
208KB

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Analysis

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