b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773

General

Target

b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe
Size

1.8MB
MD5

03e7caa3f48155099a9e3b7eab69a27a
SHA1

f9037c0ff635ab74e1e161758618b0e89dc3e12c
SHA256

b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773
SHA512

2e61920ceb8471658786f2542d9ab2594d3382ee381fe4d93c75a6c9f5c8f3de3ebe6fe92a8c7e50d1e630c78200219e669eec4953f1f06b88f6e90786e075e8
SSDEEP

49152:arp6ZJCidGlIVIrzPBBasY6DwOBfrnvV7UeWtLakrK:arp1AGr7BXYiwOBpIeW5x+

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4248	b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe

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-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe

Loads dropped DLL 1 IoCs

pid	Process
4248	b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4248	b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe
File created	C:\Windows\assembly\Desktop.ini	b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe

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

System Information Discovery
T1082

Modifies Internet Explorer settings 1 TTPs 4 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running"	b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\IESettingSync	b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Internet Explorer\IESettingSync\SlowSettingTypesChanged = "2"	b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe
Key created	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch	b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4248	b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe
4248	b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4248	b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4248	b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe
4248	b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5076 wrote to memory of 4248	5076	b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe	76
PID 5076 wrote to memory of 4248	5076	b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe	76
PID 5076 wrote to memory of 4248	5076	b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe	76

C:\Users\Admin\AppData\Local\Temp\b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe
"C:\Users\Admin\AppData\Local\Temp\b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe"
1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:5076
- C:\Users\Admin\AppData\Local\Temp\30ro2msz.qtx\b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe
  "C:\Users\Admin\AppData\Local\Temp\30ro2msz.qtx\b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - Modifies Internet Explorer settings
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4248

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe.log

Filesize
312B

MD5
d4b49ac61a6cac139f96450777c10204

SHA1
92089d33442c9e2eaceac3ed8db6a7168f938e5a

SHA256
807bdfa62a4312030c1ed54981674cff77f6108e6b4957754cabb810098ce082

SHA512
eb13a0e7f0d4b44db7e8d0625ba1ee6a036083c39c24b85493d3ec9074ada03eb7003b97bd92ed5f2baaf26295a4690303332593c4776e75da5bc3b6adbc3ea6

Download Submit
C:\Users\Admin\AppData\Local\Temp\30ro2msz.qtx\7z.dll

Filesize
893KB

MD5
04ad4b80880b32c94be8d0886482c774

SHA1
344faf61c3eb76f4a2fb6452e83ed16c9cce73e0

SHA256
a1e1d1f0fff4fcccfbdfa313f3bdfea4d3dfe2c2d9174a615bbc39a0a6929338

SHA512
3e3aaf01b769471b18126e443a721c9e9a0269e9f5e48d0a10251bc1ee309855bd71ede266caa6828b007359b21ba562c2a5a3469078760f564fb7bd43acabfb

Download Submit
C:\Users\Admin\AppData\Local\Temp\30ro2msz.qtx\b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe

Filesize
1.7MB

MD5
a2e11ebe1fd122251ca233a3f0005e9f

SHA1
d2418045db5b8750336adc49f511ac7f209254b8

SHA256
76f1b2405e3e8ade0a66c9c62aec6635abba65945ab3097b58ab5b88014f8c92

SHA512
7cc2d73f1a94d2e7cefabcaf941f7d3bc1aaa620afb9bd3f43ecb9f78d913d7c8819ff9a43b239699aac7e728c85b24024559b6d7dfee10923c6156d1679dd95

Download Submit
C:\Users\Admin\AppData\Local\Temp\30ro2msz.qtx\b584f1bc984804ff1ca65fcd4de6b5f4fd7b02c93342aecdbdbeec4915c3c773.exe

Filesize
1.7MB

MD5
a2e11ebe1fd122251ca233a3f0005e9f

SHA1
d2418045db5b8750336adc49f511ac7f209254b8

SHA256
76f1b2405e3e8ade0a66c9c62aec6635abba65945ab3097b58ab5b88014f8c92

SHA512
7cc2d73f1a94d2e7cefabcaf941f7d3bc1aaa620afb9bd3f43ecb9f78d913d7c8819ff9a43b239699aac7e728c85b24024559b6d7dfee10923c6156d1679dd95

Download Submit
memory/4248-144-0x00000000756E0000-0x0000000075961000-memory.dmp

Filesize
2.5MB

Download
memory/4248-145-0x0000000001510000-0x000000000154D000-memory.dmp

Filesize
244KB

Download
memory/4248-138-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/4248-155-0x0000000072D50000-0x0000000072D58000-memory.dmp

Filesize
32KB

Download
memory/4248-136-0x0000000000CF0000-0x0000000000DE0000-memory.dmp

Filesize
960KB

Download
memory/4248-140-0x0000000075CA0000-0x0000000076253000-memory.dmp

Filesize
5.7MB

Download
memory/4248-143-0x0000000000CF0000-0x0000000000DE0000-memory.dmp

Filesize
960KB

Download
memory/4248-142-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/4248-154-0x0000000001510000-0x000000000154D000-memory.dmp

Filesize
244KB

Download
memory/4248-137-0x0000000075A80000-0x0000000075C95000-memory.dmp

Filesize
2.1MB

Download
memory/4248-147-0x00000000768C0000-0x00000000769A3000-memory.dmp

Filesize
908KB

Download
memory/4248-148-0x0000000073570000-0x00000000735CB000-memory.dmp

Filesize
364KB

Download
memory/4248-146-0x0000000000CF0000-0x0000000000DE0000-memory.dmp

Filesize
960KB

Download
memory/4248-149-0x0000000072D50000-0x0000000072D58000-memory.dmp

Filesize
32KB

Download
memory/4248-150-0x00000000729D0000-0x0000000072CAE000-memory.dmp

Filesize
2.9MB

Download
memory/4248-152-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/4248-153-0x0000000000CF0000-0x0000000000DE0000-memory.dmp

Filesize
960KB

Download
memory/5076-132-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/5076-141-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download

Analysis

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