urelas | 9c45c7887f9588ddbf73c36ab5ea79c5d585fcddabaf2edd2353eba9accf5858

General

Target

6a43a87733f9b0cbede5e6ebacedd6d4284b89fbf694c2729f8c2d72e22ec085N.exe
Size

55KB
MD5

dbedf526a0102608990dc45a085e9189
SHA1

f2a25eff01d8390dbc06663dd91d030f56cc5b49
SHA256

9c45c7887f9588ddbf73c36ab5ea79c5d585fcddabaf2edd2353eba9accf5858
SHA512

4af37aae547ac01f4d84673cad3a135db1f0e9b6aa2b5c02cb2ed270472383f143a6f2dd72d1f52598f92400ea13bf6a8ceea721c963604c5ebb79c3c97e8a7a
SSDEEP

768:egjKOwfkQsxi4CUWsFZzdXCHuWFpuQlBVQayBAFp1pAK4gpuK1cnPdFmfbpA9ANw:bKOjssTdFMsAX1pA6G0qm1Y8jgFzT

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
2956	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1900	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2288	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6a43a87733f9b0cbede5e6ebacedd6d4284b89fbf694c2729f8c2d72e22ec085N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	biudfw.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 1900	2288	6a43a87733f9b0cbede5e6ebacedd6d4284b89fbf694c2729f8c2d72e22ec085N.exe	28
PID 2288 wrote to memory of 1900	2288	6a43a87733f9b0cbede5e6ebacedd6d4284b89fbf694c2729f8c2d72e22ec085N.exe	28
PID 2288 wrote to memory of 1900	2288	6a43a87733f9b0cbede5e6ebacedd6d4284b89fbf694c2729f8c2d72e22ec085N.exe	28
PID 2288 wrote to memory of 1900	2288	6a43a87733f9b0cbede5e6ebacedd6d4284b89fbf694c2729f8c2d72e22ec085N.exe	28
PID 2288 wrote to memory of 2956	2288	6a43a87733f9b0cbede5e6ebacedd6d4284b89fbf694c2729f8c2d72e22ec085N.exe	29
PID 2288 wrote to memory of 2956	2288	6a43a87733f9b0cbede5e6ebacedd6d4284b89fbf694c2729f8c2d72e22ec085N.exe	29
PID 2288 wrote to memory of 2956	2288	6a43a87733f9b0cbede5e6ebacedd6d4284b89fbf694c2729f8c2d72e22ec085N.exe	29
PID 2288 wrote to memory of 2956	2288	6a43a87733f9b0cbede5e6ebacedd6d4284b89fbf694c2729f8c2d72e22ec085N.exe	29

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:2288
- 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:1900
- 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:2956

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
256a769f255f8ae54b4c981a0f35a4ef

SHA1
48cecb282f6c4ad2413399d54326a4676949c3e3

SHA256
bc29e4017be991fc28eaae59ee76e28693efe5d9c574b809867b135745b12505

SHA512
bb2697e52efbb1b70912d6dfb8e1f9bfec15f297b9b4371496d28cf6e32c8f4875809b1af22499297d8a76c1a3deff91903a044679cc95c27f0ce0e7cdbd346d

Download Submit
memory/1900-10-0x00000000008F0000-0x0000000000922000-memory.dmp

Filesize
200KB

Download
memory/1900-22-0x00000000008F0000-0x0000000000922000-memory.dmp

Filesize
200KB

Download
memory/1900-25-0x00000000008F0000-0x0000000000922000-memory.dmp

Filesize
200KB

Download
memory/1900-32-0x00000000008F0000-0x0000000000922000-memory.dmp

Filesize
200KB

Download
memory/2288-0-0x0000000000C20000-0x0000000000C52000-memory.dmp

Filesize
200KB

Download
memory/2288-9-0x0000000000AE0000-0x0000000000B12000-memory.dmp

Filesize
200KB

Download
memory/2288-19-0x0000000000C20000-0x0000000000C52000-memory.dmp

Filesize
200KB

Download

Analysis

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