urelas | 5e1517f12ca9f582a7fc5560c606f3eec5506751a85ed46171372d5fd4662358

Analysis

max time kernel
134s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25/08/2024, 23:48

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General

Target
c1d85dd702d718baa948e78bbcd62956_JaffaCakes118.exe
Size 136KB
Sample240825-3tn7rssdkd
SHA256 5e1517f12ca9f582a7fc5560c606f3eec5506751a85ed46171372d5fd4662358
MD5 c1d85dd702d718baa948e78bbcd62956
SHA1 db75a5721b69b398b3b8d296a4ccf84d6ff7b7d1
SHA512 8246fe097011976f113577603e3d7ba0249c201d7b412872062ebde156e80f965c51c83e1a8b6ece16df161a671a2383449f205bdd8c06f700ea420e3b33f617
SSDEEP 1536:P/oEkqfCZ10zcT9Yh8AIXcjyz9cOXfiXGImcatMrsWjcdf6odgR5APfIR:P/5kqCxiXEcO3XfGf2tMUf6odgR5A4R
MD5 SHA1 SHA512 SSDEEP

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Control Panel\International\Geo\Nation	c1d85dd702d718baa948e78bbcd62956_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1012	biudfw.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	biudfw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c1d85dd702d718baa948e78bbcd62956_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3900 wrote to memory of 1012	3900	c1d85dd702d718baa948e78bbcd62956_JaffaCakes118.exe	90
PID 3900 wrote to memory of 1012	3900	c1d85dd702d718baa948e78bbcd62956_JaffaCakes118.exe	90
PID 3900 wrote to memory of 1012	3900	c1d85dd702d718baa948e78bbcd62956_JaffaCakes118.exe	90
PID 3900 wrote to memory of 864	3900	c1d85dd702d718baa948e78bbcd62956_JaffaCakes118.exe	91
PID 3900 wrote to memory of 864	3900	c1d85dd702d718baa948e78bbcd62956_JaffaCakes118.exe	91
PID 3900 wrote to memory of 864	3900	c1d85dd702d718baa948e78bbcd62956_JaffaCakes118.exe	91

C:\Users\Admin\AppData\Local\Temp\c1d85dd702d718baa948e78bbcd62956_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c1d85dd702d718baa948e78bbcd62956_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3900
- 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:1012
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\sanfdr.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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

biudfw.exe

Path C:\Users\Admin\AppData\Local\Temp\biudfw.exe
Size 136KB
SHA256 d5fb04ef10726b5efb882340e852d039cb3cc82d355c25d837e7fc3c5275aeb2
MD5 b9f35a9fc7b0cfab82799a77d3865979
SHA1 ffc2cee75fb8a22ee17cc54ca8c0365fa7f6c375
SHA512 bce1e2cec2abac87678b65f6a73d70b3d0de5fa3f2ea1e186047c1fe72e0ae1284c9b669a3e17bd8b7e7650f807dad8dacebee275f304f959e253b9efda6b616
SSDEEP 1536:P/oEkqfCZ10zcT9Yh8AIXcjyz9cOXfiXGImcatMrsWjcdf6odgR5APfID:P/5kqCxiXEcO3XfGf2tMUf6odgR5A4D
MD5 SHA1 SHA512 SSDEEP

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golfinfo.ini

Path C:\Users\Admin\AppData\Local\Temp\golfinfo.ini
Size 512B
SHA256 caed69520592602de846673610507a47e22e0fb108e8e88ba1a85b314607f0a9
MD5 0ecda9ecaa423d5a8481985b7d3d5a77
SHA1 ecc237c20c234cf9c0e20b39a39ab27244dc7971
SHA512 82ce4bfc411781d187b6151383064f18e22b37f5f03d783476fed1c8ba74ee38dc74b16badf96961e22d6b63ae31425ae785c17fa3bd5d767ae3b0bd9652fe3a
MD5 SHA1 SHA512

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sanfdr.bat

Path C:\Users\Admin\AppData\Local\Temp\sanfdr.bat
Size 302B
SHA256 990eeae085aff9731417402e8974ae71c403732d746cb5db86a4b87ce852bcf9
MD5 4422af174419c019191316049ff5b803
SHA1 2864e8f49444c61df59a96d45d30b524ec34f8ff
SHA512 10954a8790ffd328a571cb4602bb3e023dc31e79820d04ddb11870c038f9bb6c25b5c32603f7b1e916ffefee283cc1fce28b2be1db487099f326479b37e1cf15
MD5 SHA1 SHA512

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memory/1012-15-0x0000000000D60000-0x0000000000D87000-memory.dmp

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memory/1012-20-0x0000000000D60000-0x0000000000D87000-memory.dmp

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memory/1012-21-0x0000000000D60000-0x0000000000D87000-memory.dmp

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memory/3900-0-0x0000000000650000-0x0000000000677000-memory.dmp

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memory/3900-17-0x0000000000650000-0x0000000000677000-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