urelas | 41df4ef1e17c546e810fe805f005b14486a889791c038ec335719a4d84aa9029

Analysis

max time kernel
118s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
28/03/2024, 23:15

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General

Target
127e32e1d06e6764e992420c0922e3ef_JaffaCakes118.exe
Size 59KB
Sample240328-28v37aca27
SHA256 41df4ef1e17c546e810fe805f005b14486a889791c038ec335719a4d84aa9029
MD5 127e32e1d06e6764e992420c0922e3ef
SHA1 5bf828b5002479a6181ecad50c1cf81e1d19202f
SHA512 7fcf3fae6a11a7c9b5a94ad4f29e83b4d4233afd6c0ef9beb690024a8d688695d9375847710f6b4efd64d70e04b502d975202c0fd7078bb0f7ab03819303e4ed
SSDEEP 768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxPO:nK0GjMeQG3iaQREuVZ6ro29p4YxbKd3
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

urelas trojan

Malware Config

Extracted

Family

urelas

218.54.47.76
218.54.47.77
218.54.47.74

Signatures

Urelas
Urelas is a trojan targeting card games.
trojan urelas

Deletes itself 1 IoCs

pid	Process
2588	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2820	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
2944	127e32e1d06e6764e992420c0922e3ef_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2944 wrote to memory of 2820	2944	127e32e1d06e6764e992420c0922e3ef_JaffaCakes118.exe	28
PID 2944 wrote to memory of 2820	2944	127e32e1d06e6764e992420c0922e3ef_JaffaCakes118.exe	28
PID 2944 wrote to memory of 2820	2944	127e32e1d06e6764e992420c0922e3ef_JaffaCakes118.exe	28
PID 2944 wrote to memory of 2820	2944	127e32e1d06e6764e992420c0922e3ef_JaffaCakes118.exe	28
PID 2944 wrote to memory of 2588	2944	127e32e1d06e6764e992420c0922e3ef_JaffaCakes118.exe	29
PID 2944 wrote to memory of 2588	2944	127e32e1d06e6764e992420c0922e3ef_JaffaCakes118.exe	29
PID 2944 wrote to memory of 2588	2944	127e32e1d06e6764e992420c0922e3ef_JaffaCakes118.exe	29
PID 2944 wrote to memory of 2588	2944	127e32e1d06e6764e992420c0922e3ef_JaffaCakes118.exe	29

C:\Users\Admin\AppData\Local\Temp\127e32e1d06e6764e992420c0922e3ef_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\127e32e1d06e6764e992420c0922e3ef_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2944
- C:\Users\Admin\AppData\Local\Temp\biudfw.exe
  "C:\Users\Admin\AppData\Local\Temp\biudfw.exe"
  2⤵
  - Executes dropped EXE
  PID:2820
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
  2⤵
  - Deletes itself
  PID:2588

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

golfinfo.ini

Path C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
Size 512B
SHA256 a945a44cfe50423c01f26a16445ed177a347052e791364a9cb7de6bcaa18f3c1
MD5 55e10a9af74d3f3fa5ae3cb7ff5ad9d4
SHA1 449221fd8d7196a54de2bd583625d8d1b64db56a
SHA512 4af5ba74467b4c61302ea9571f19346c05f911843f2c6153fcd9a7340f9bc6e1f8867cdb72ec7ba0dc4930199aa5c302711ad5da9fd35241839418f6e70a515a
MD5 SHA1 SHA512

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sanfdr.bat

Path C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
Size 302B
SHA256 a7006c4df73d71170aa224b24133d8d60c3160ed93626b52d23026c98e8efd04
MD5 fc4680d46551861915082c6b78a03a64
SHA1 5a04b946ce9002dc6d055a7f504cf318b38a11c4
SHA512 97b3a1508c7ae959ec5e524940b06e634b5ed5eb5c2e7eb389625b06e27bb1947d179bc67ce905082c309945285fba9cff7bbcb58b0d6690665b79193572e01f
MD5 SHA1 SHA512

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biudfw.exe

Path \Users\Admin\AppData\Local\Temp\biudfw.exe
Size 59KB
SHA256 08c2373646c7cac5ab566b19df3608a7f2aa9d73287a1007dfe093404ed25a95
MD5 3f5726a50db407105c9111022da5de1e
SHA1 2de186c61900cacd7645442eefed525c83a79457
SHA512 b278bd2d917a6dc7841064e76d55587908479667e13e3a74f91eb294082ff14cff4273026e426023199db0fdc0e7c9a82b917aee293116894b840b634653cb4d
SSDEEP 768:n5mhew0GpSyMe6hwUkdwJzh+qciaQRENEzxZbARtR06g2wqp4YPeznellmqGwxP+:nK0GjMeQG3iaQREuVZ6ro29p4YxbKdP
MD5 SHA1 SHA512 SSDEEP

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memory/2820-18-0x0000000001050000-0x0000000001085000-memory.dmp

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memory/2820-21-0x0000000001050000-0x0000000001085000-memory.dmp

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memory/2820-23-0x0000000001050000-0x0000000001085000-memory.dmp

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memory/2820-29-0x0000000001050000-0x0000000001085000-memory.dmp

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memory/2944-0-0x0000000000380000-0x00000000003B5000-memory.dmp

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memory/2944-9-0x0000000001E50000-0x0000000001E85000-memory.dmp

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memory/2944-17-0x0000000000380000-0x00000000003B5000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads