urelas | 6a43a87733f9b0cbede5e6ebacedd6d4284b89fbf694c2729f8c2d72e22ec085

General

Target

6a43a87733f9b0cbede5e6ebacedd6d4284b89fbf694c2729f8c2d72e22ec085N.exe
Size

55KB
MD5

03b5b44f6577ee7c2d5f5cf45b80d1b0
SHA1

3d7601cd48017bf372fd5e8d9301e3defc85fe20
SHA256

6a43a87733f9b0cbede5e6ebacedd6d4284b89fbf694c2729f8c2d72e22ec085
SHA512

b5398eef8c8d0100ac45f244f653fdd3da134159aa6da49c9b9937314c7ca6629a75a3ea9bdee792c1b23d76bb2025b2c970af1b392e26b267c65d65da581f74
SSDEEP

768:egjKOwfkQsxi4CUWsFZzdXCHuWFpuQlBVQayBAFp1pAK4gpuK1cnPdFmfbpA9AN2:bKOjssTdFMsAX1pA6G0qm1Y8jgFzN

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
2796	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2760	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2872	6a43a87733f9b0cbede5e6ebacedd6d4284b89fbf694c2729f8c2d72e22ec085N.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	6a43a87733f9b0cbede5e6ebacedd6d4284b89fbf694c2729f8c2d72e22ec085N.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 2872 wrote to memory of 2760	2872	6a43a87733f9b0cbede5e6ebacedd6d4284b89fbf694c2729f8c2d72e22ec085N.exe	30
PID 2872 wrote to memory of 2760	2872	6a43a87733f9b0cbede5e6ebacedd6d4284b89fbf694c2729f8c2d72e22ec085N.exe	30
PID 2872 wrote to memory of 2760	2872	6a43a87733f9b0cbede5e6ebacedd6d4284b89fbf694c2729f8c2d72e22ec085N.exe	30
PID 2872 wrote to memory of 2760	2872	6a43a87733f9b0cbede5e6ebacedd6d4284b89fbf694c2729f8c2d72e22ec085N.exe	30
PID 2872 wrote to memory of 2796	2872	6a43a87733f9b0cbede5e6ebacedd6d4284b89fbf694c2729f8c2d72e22ec085N.exe	31
PID 2872 wrote to memory of 2796	2872	6a43a87733f9b0cbede5e6ebacedd6d4284b89fbf694c2729f8c2d72e22ec085N.exe	31
PID 2872 wrote to memory of 2796	2872	6a43a87733f9b0cbede5e6ebacedd6d4284b89fbf694c2729f8c2d72e22ec085N.exe	31
PID 2872 wrote to memory of 2796	2872	6a43a87733f9b0cbede5e6ebacedd6d4284b89fbf694c2729f8c2d72e22ec085N.exe	31

C:\Users\Admin\AppData\Local\Temp\6a43a87733f9b0cbede5e6ebacedd6d4284b89fbf694c2729f8c2d72e22ec085N.exe
"C:\Users\Admin\AppData\Local\Temp\6a43a87733f9b0cbede5e6ebacedd6d4284b89fbf694c2729f8c2d72e22ec085N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2872
- 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:2760
- 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:2796

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
1e75a7e32613b9d0b73f13b66c2c2f58

SHA1
035e2d6ab4ac34190f0e684681098188409e978c

SHA256
9f8aa6da5d4cd4a6f17fc229bb965d1f2525d6bc7f70ffba6a13c7e3bbd2a1f3

SHA512
e8ba9e9796b506655b9432ed7036383a3eab746a948a18df6e9598e59e6830a834e30bad7455bc22d4ae19a63f051d2aaa57b435594e881130559aac385bd8cf

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

Filesize
340B

MD5
fcbed62ce61f6e4aeca3587f0b55af05

SHA1
e42c13fb3236b9deeeea525f5b575fd9cea73c88

SHA256
86ddcf4cb767744f95b3deef0dc86e59dc76e172aab73e97ac8712d80e267024

SHA512
c74df23b8994b7819cbf6539bbdafda308632cb8f2517dedccbae73f5e2d6a1d02c99f99bae1143460f1ce2276d953f76aabc05a585f3eac77a124f70f7468a0

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

Filesize
55KB

MD5
646fc3fb085623ebec2500e183b11f21

SHA1
bf949ca3da665d2eb5fa1c753fda39a3f78b70fb

SHA256
edce6b4977612a5df173f2ef8c6fedae8984ae4937e4ee65b7207547a1980f5b

SHA512
217e5e7a41c65c49b7e065768f29d37e84de5cb60de70deac14e955dcac8d984a5faf338cb08137422b28509bbbe01a5babd00ac0cb92d0432812ffc36fc5d6b

Download Submit
memory/2760-10-0x0000000000FC0000-0x0000000000FF2000-memory.dmp

Filesize
200KB

Download
memory/2760-22-0x0000000000FC0000-0x0000000000FF2000-memory.dmp

Filesize
200KB

Download
memory/2760-25-0x0000000000FC0000-0x0000000000FF2000-memory.dmp

Filesize
200KB

Download
memory/2760-31-0x0000000000FC0000-0x0000000000FF2000-memory.dmp

Filesize
200KB

Download
memory/2872-0-0x0000000000B50000-0x0000000000B82000-memory.dmp

Filesize
200KB

Download
memory/2872-9-0x0000000000470000-0x00000000004A2000-memory.dmp

Filesize
200KB

Download
memory/2872-19-0x0000000000B50000-0x0000000000B82000-memory.dmp

Filesize
200KB

Download

Analysis

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