urelas | b98277fe00400f2cc998191a71fff5f02b8046c72eef3d5e7e9199f887017b57

General

Target

b98277fe00400f2cc998191a71fff5f02b8046c72eef3d5e7e9199f887017b57N.exe
Size

84KB
MD5

2e24f445b7495fbe71936fa1bc16a240
SHA1

f5e2ccf7794e1b214806e718bcdbca8990d453e0
SHA256

b98277fe00400f2cc998191a71fff5f02b8046c72eef3d5e7e9199f887017b57
SHA512

e421b7bd5795c926e78d5016168b16eb045c0f58b95c3e3d2fbf2e48abfbdd64d9530fb323ee6fcd102188ca1eba013388cf6b20dfa3a137af85f7ca691f979d
SSDEEP

1536:Jz+jIHNv+vsFbwW6dk0QeLb4NMHriBRxiDkURP:JznH976dUCnuniDz

Score

10^/10

urelas discovery trojan upx

Malware Config

Extracted

Family

urelas

C2

112.175.88.207

112.175.88.208

Signatures

Urelas
Urelas is a trojan targeting card games.
trojan urelas

Deletes itself 1 IoCs

pid	Process
2300	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
572	huter.exe

Loads dropped DLL 1 IoCs

pid	Process
2308	b98277fe00400f2cc998191a71fff5f02b8046c72eef3d5e7e9199f887017b57N.exe

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2308-0-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/files/0x0009000000017491-4.dat	upx
behavioral1/memory/2308-18-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/memory/572-21-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/memory/572-23-0x0000000000400000-0x0000000000431000-memory.dmp	upx
behavioral1/memory/572-30-0x0000000000400000-0x0000000000431000-memory.dmp	upx

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	b98277fe00400f2cc998191a71fff5f02b8046c72eef3d5e7e9199f887017b57N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	huter.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 572	2308	b98277fe00400f2cc998191a71fff5f02b8046c72eef3d5e7e9199f887017b57N.exe	31
PID 2308 wrote to memory of 572	2308	b98277fe00400f2cc998191a71fff5f02b8046c72eef3d5e7e9199f887017b57N.exe	31
PID 2308 wrote to memory of 572	2308	b98277fe00400f2cc998191a71fff5f02b8046c72eef3d5e7e9199f887017b57N.exe	31
PID 2308 wrote to memory of 572	2308	b98277fe00400f2cc998191a71fff5f02b8046c72eef3d5e7e9199f887017b57N.exe	31
PID 2308 wrote to memory of 2300	2308	b98277fe00400f2cc998191a71fff5f02b8046c72eef3d5e7e9199f887017b57N.exe	32
PID 2308 wrote to memory of 2300	2308	b98277fe00400f2cc998191a71fff5f02b8046c72eef3d5e7e9199f887017b57N.exe	32
PID 2308 wrote to memory of 2300	2308	b98277fe00400f2cc998191a71fff5f02b8046c72eef3d5e7e9199f887017b57N.exe	32
PID 2308 wrote to memory of 2300	2308	b98277fe00400f2cc998191a71fff5f02b8046c72eef3d5e7e9199f887017b57N.exe	32

C:\Users\Admin\AppData\Local\Temp\b98277fe00400f2cc998191a71fff5f02b8046c72eef3d5e7e9199f887017b57N.exe
"C:\Users\Admin\AppData\Local\Temp\b98277fe00400f2cc998191a71fff5f02b8046c72eef3d5e7e9199f887017b57N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Users\Admin\AppData\Local\Temp\huter.exe
  "C:\Users\Admin\AppData\Local\Temp\huter.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:572
- 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:2300

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
a01dba4c45102fc15292fd5591166536

SHA1
d96191c30e0f09439d8547f4ededbf6726ccd54b

SHA256
cc2f9d3db04690b746c18d40c70f8dbc9ca18520b68619d9ccaeac500af98904

SHA512
277a86f44c2648668205cd6c3c9f83feef147a5ad10839a130713eee9c931c26088d4dd95798b1d0e69f3439239abdee79d37656ad3963147a878a9433d60d32

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

Filesize
340B

MD5
d00458b79e2c2ad1c27f0819fc1afe48

SHA1
0608d75f1b1975a65a75001c9b5aec43c7e59f71

SHA256
1c8ad014ee00ef5b3481f808f63623001c8beb2a2696a3f07257238212fc941a

SHA512
ac1e0531f4f008660f031013ca1925692d5864b24cb2558461bc6557b42eb6b502d12903e15bd650cf13618243a573f27265bbc80f19f0925be77328bd735cc7

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

Filesize
84KB

MD5
ebca273431909853ca339c66f5d4f6ba

SHA1
2f0c503e48b2bc179441303c25859a77f2fd3908

SHA256
d7b271cb2a528da279145ad2d013dc210f84b458bc29f67b213f2c3499eec3c9

SHA512
8404e0234ac6828df2d4512539c36f1dbdc2b2bb3e65db5f9e02f3ca3db15281a8d7e857ac81e1c238c32b9ca907e83643fcfd8ef9ee8b250e6036d6303d7fdb

Download Submit
memory/572-21-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/572-23-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/572-30-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2308-0-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download
memory/2308-9-0x0000000002BE0000-0x0000000002C11000-memory.dmp

Filesize
196KB

Download
memory/2308-18-0x0000000000400000-0x0000000000431000-memory.dmp

Filesize
196KB

Download

Analysis

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