urelas | 5877e3b7f7481004bf6e91db4c9a0fb08e0ce9fe8ec5ba60a9e889d4665905b8

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-12-2024 16:45

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General

Target

c8972305eaf4f2ae11571d0f265769d8_JaffaCakes118.exe
Size

184KB
MD5

c8972305eaf4f2ae11571d0f265769d8
SHA1

d4923e717f73e6e16969d723b8c6a8abff0299f0
SHA256

5877e3b7f7481004bf6e91db4c9a0fb08e0ce9fe8ec5ba60a9e889d4665905b8
SHA512

475f284abdffe983e42b034c2c4c5b84f474a054597e8da44f5e95b0675a189d25ff26be635df4c515ebd4c4375e24974f80593d7e6afecac109c0254beba07a
SSDEEP

3072:1tpCP+/oGvWSldHy64T9fQmZ+luXwy2f9LDh5Yc:Tp+IrvNyhhh4yfWvMc

Score

10^/10

urelas discovery 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
Urelas family
urelas

Deletes itself 1 IoCs

pid	Process
1824	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
1748	biudfw.exe

Loads dropped DLL 1 IoCs

pid	Process
3056	c8972305eaf4f2ae11571d0f265769d8_JaffaCakes118.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	c8972305eaf4f2ae11571d0f265769d8_JaffaCakes118.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 3056 wrote to memory of 1748	3056	c8972305eaf4f2ae11571d0f265769d8_JaffaCakes118.exe	30
PID 3056 wrote to memory of 1748	3056	c8972305eaf4f2ae11571d0f265769d8_JaffaCakes118.exe	30
PID 3056 wrote to memory of 1748	3056	c8972305eaf4f2ae11571d0f265769d8_JaffaCakes118.exe	30
PID 3056 wrote to memory of 1748	3056	c8972305eaf4f2ae11571d0f265769d8_JaffaCakes118.exe	30
PID 3056 wrote to memory of 1824	3056	c8972305eaf4f2ae11571d0f265769d8_JaffaCakes118.exe	31
PID 3056 wrote to memory of 1824	3056	c8972305eaf4f2ae11571d0f265769d8_JaffaCakes118.exe	31
PID 3056 wrote to memory of 1824	3056	c8972305eaf4f2ae11571d0f265769d8_JaffaCakes118.exe	31
PID 3056 wrote to memory of 1824	3056	c8972305eaf4f2ae11571d0f265769d8_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\c8972305eaf4f2ae11571d0f265769d8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c8972305eaf4f2ae11571d0f265769d8_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3056
- 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:1748
- 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:1824

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\biudfw.exe

Filesize
184KB

MD5
367a1a09b75d15daee003a7ab791af59

SHA1
3f68774ddadbb6d0ad35f629c2b288cfba669d5e

SHA256
b0a667b41391b384274b1c374baa184dc64885d9c59794907083bc724ed4ad8d

SHA512
53084728ff20e3361493f41dae9a2350600f8431a8b7117638394dd790d850a8be3e2f98e9f0ecb829428ce606cf7d8fd2aa5ec2f793ddb6f08ff475e006fd4c

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

Filesize
512B

MD5
26625b4ca7658f7ba4dc7d982782323c

SHA1
574aa314998c39e683675ccf457b0305341a4aaf

SHA256
c494e0ffeee72023dac244366c08072f677ba328ba805f9e480abc2824e99283

SHA512
5a9af4c6be10240dec0d33b37bc6f6836f1db5d0a2a9dd158d63848a8a97dad68e2d9217aca2b2d1cf122d9534aba0d23b247f6686c4ff934bd7035a927d9b9d

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

Filesize
302B

MD5
6d7e9abd60f91aa7283cf559780019fb

SHA1
022c542616af3c3401a04ecbba6d9abf18515649

SHA256
653e49dc1701ad9305cc5ca15f5b95e1310e58ed8873e0d8dd54530b1b245269

SHA512
f60ea842b67e8b6db217b8297d88ffad2dc74f6a35c466bc9734333d23cab6cf1ec4599c6ec3107c457282ef53e0bb564ab9185aadaf49e1944d4f1e29968190

Download Submit
memory/1748-17-0x0000000000ED0000-0x0000000000F02000-memory.dmp

Filesize
200KB

Download
memory/1748-21-0x0000000000ED0000-0x0000000000F02000-memory.dmp

Filesize
200KB

Download
memory/1748-22-0x0000000000ED0000-0x0000000000F02000-memory.dmp

Filesize
200KB

Download
memory/3056-0-0x00000000011E0000-0x0000000001212000-memory.dmp

Filesize
200KB

Download
memory/3056-15-0x0000000000440000-0x0000000000472000-memory.dmp

Filesize
200KB

Download
memory/3056-18-0x00000000011E0000-0x0000000001212000-memory.dmp

Filesize
200KB

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