badrabbit | 630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da

Analysis

max time kernel
18s
max time network
25s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
27/02/2025, 11:32 UTC

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General

Target

Urget Contract Action.pdf.exe
Size

431KB
MD5

fbbdc39af1139aebba4da004475e8839
SHA1

de5c8d858e6e41da715dca1c019df0bfb92d32c0
SHA256

630325cac09ac3fab908f903e3b00d0dadd5fdaa0875ed8496fcbb97a558d0da
SHA512

74eca8c01de215b33d5ceea1fda3f3bef96b513f58a750dba04b0de36f7ef4f7846a6431d52879ca0d8641bfd504d4721a9a96fa2e18c6888fd67fa77686af87
SSDEEP

12288:BHNTywFAvN86pLbqWRKHZKfErrZJyZ0yqsGO3XR63:vT56NbqWRwZaEr3yt2O3XR63

Score

10^/10

badrabbit mimikatz discovery ransomware

Malware Config

Signatures

BadRabbit
Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.
ransomware badrabbit
Badrabbit family
badrabbit
Mimikatz
mimikatz is an open source tool to dump credentials on Windows.
mimikatz
Mimikatz family
mimikatz

mimikatz is an open source tool to dump credentials on Windows 1 IoCs

resource	yara_rule
behavioral2/files/0x000500000001e64c-23.dat	mimikatz

Executes dropped EXE 1 IoCs

pid	Process
2380	99FE.tmp

Loads dropped DLL 1 IoCs

pid	Process
4396	rundll32.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Windows\infpub.dat	rundll32.exe
File created	C:\Windows\cscc.dat	rundll32.exe
File created	C:\Windows\dispci.exe	rundll32.exe
File opened for modification	C:\Windows\99FE.tmp	rundll32.exe
File created	C:\Windows\infpub.dat	Urget Contract Action.pdf.exe

System Location Discovery: System Language Discovery 1 TTPs 8 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	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Urget Contract Action.pdf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3936	schtasks.exe
1936	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4396	rundll32.exe
4396	rundll32.exe
4396	rundll32.exe
4396	rundll32.exe
2380	99FE.tmp
2380	99FE.tmp
2380	99FE.tmp
2380	99FE.tmp
2380	99FE.tmp
2380	99FE.tmp

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeShutdownPrivilege	4396	rundll32.exe
Token: SeDebugPrivilege	4396	rundll32.exe
Token: SeTcbPrivilege	4396	rundll32.exe
Token: SeDebugPrivilege	2380	99FE.tmp

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4568 wrote to memory of 4396	4568	Urget Contract Action.pdf.exe	85
PID 4568 wrote to memory of 4396	4568	Urget Contract Action.pdf.exe	85
PID 4568 wrote to memory of 4396	4568	Urget Contract Action.pdf.exe	85
PID 4396 wrote to memory of 1196	4396	rundll32.exe	86
PID 4396 wrote to memory of 1196	4396	rundll32.exe	86
PID 4396 wrote to memory of 1196	4396	rundll32.exe	86
PID 1196 wrote to memory of 4716	1196	cmd.exe	88
PID 1196 wrote to memory of 4716	1196	cmd.exe	88
PID 1196 wrote to memory of 4716	1196	cmd.exe	88
PID 4396 wrote to memory of 4776	4396	rundll32.exe	94
PID 4396 wrote to memory of 4776	4396	rundll32.exe	94
PID 4396 wrote to memory of 4776	4396	rundll32.exe	94
PID 4776 wrote to memory of 3936	4776	cmd.exe	96
PID 4776 wrote to memory of 3936	4776	cmd.exe	96
PID 4776 wrote to memory of 3936	4776	cmd.exe	96
PID 4396 wrote to memory of 1804	4396	rundll32.exe	97
PID 4396 wrote to memory of 1804	4396	rundll32.exe	97
PID 4396 wrote to memory of 1804	4396	rundll32.exe	97
PID 4396 wrote to memory of 2380	4396	rundll32.exe	98
PID 4396 wrote to memory of 2380	4396	rundll32.exe	98
PID 1804 wrote to memory of 1936	1804	cmd.exe	101
PID 1804 wrote to memory of 1936	1804	cmd.exe	101
PID 1804 wrote to memory of 1936	1804	cmd.exe	101

C:\Users\Admin\AppData\Local\Temp\Urget Contract Action.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Urget Contract Action.pdf.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4568
- C:\Windows\SysWOW64\rundll32.exe
  C:\Windows\system32\rundll32.exe C:\Windows\infpub.dat,#1 15
  2⤵
  - Loads dropped DLL
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4396
- - C:\Windows\SysWOW64\cmd.exe
    /c schtasks /Delete /F /TN rhaegal
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1196
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Delete /F /TN rhaegal
      4⤵
      System Location Discovery: System Language Discovery
      PID:4716
- - C:\Windows\SysWOW64\cmd.exe
    /c schtasks /Create /RU SYSTEM /SC ONSTART /TN rhaegal /TR "C:\Windows\system32\cmd.exe /C Start \"\" \"C:\Windows\dispci.exe\" -id 1219397066 && exit"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4776
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Create /RU SYSTEM /SC ONSTART /TN rhaegal /TR "C:\Windows\system32\cmd.exe /C Start \"\" \"C:\Windows\dispci.exe\" -id 1219397066 && exit"
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:3936
- - C:\Windows\SysWOW64\cmd.exe
    /c schtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 11:50:00
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1804
  - - C:\Windows\SysWOW64\schtasks.exe
      schtasks /Create /SC once /TN drogon /RU SYSTEM /TR "C:\Windows\system32\shutdown.exe /r /t 0 /f" /ST 11:50:00
      4⤵
      System Location Discovery: System Language Discovery
      Scheduled Task/Job: Scheduled Task
      PID:1936
- - C:\Windows\99FE.tmp
    "C:\Windows\99FE.tmp" \\.\pipe\{CB983062-A7D2-4AF2-A872-2AD455CD3A2A}
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:2380

Network

DNS

g.bing.com

Remote address:

8.8.8.8:53

Request

g.bing.com

IN A

Response

g.bing.com

IN CNAME

g-bing-com.ax-0001.ax-msedge.net

g-bing-com.ax-0001.ax-msedge.net

IN CNAME

ax-0001.ax-msedge.net

ax-0001.ax-msedge.net

IN A

150.171.28.10

ax-0001.ax-msedge.net

IN A

150.171.27.10
GET

https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=d0e8e34718eb403aa27a0dbfd6c1ff7e&localId=w:E39843FB-A60C-6B86-72F2-55AF29660625&deviceId=6755478849344917&anid=

Remote address:

150.171.28.10:443

Request

GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=d0e8e34718eb403aa27a0dbfd6c1ff7e&localId=w:E39843FB-A60C-6B86-72F2-55AF29660625&deviceId=6755478849344917&anid= HTTP/2.0
host: g.bing.com
accept-encoding: gzip, deflate
user-agent: WindowsShellClient/9.0.40929.0 (Windows)

Response

HTTP/2.0 204

cache-control: no-cache, must-revalidate
pragma: no-cache
expires: Fri, 01 Jan 1990 00:00:00 GMT
set-cookie: MUID=11B8AB9D7445613E39B6BE3D75E9603C; domain=.bing.com; expires=Tue, 24-Mar-2026 11:32:46 GMT; path=/; SameSite=None; Secure; Priority=High;
strict-transport-security: max-age=31536000; includeSubDomains; preload
access-control-allow-origin: *
x-cache: CONFIG_NOCACHE
accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref: Ref A: A56C5C25C15E48D285474CBF9C6290DE Ref B: FRA31EDGE0807 Ref C: 2025-02-27T11:32:46Z
date: Thu, 27 Feb 2025 11:32:46 GMT
GET

https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=d0e8e34718eb403aa27a0dbfd6c1ff7e&localId=w:E39843FB-A60C-6B86-72F2-55AF29660625&deviceId=6755478849344917&anid=

Remote address:

150.171.28.10:443

Request

GET /neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=d0e8e34718eb403aa27a0dbfd6c1ff7e&localId=w:E39843FB-A60C-6B86-72F2-55AF29660625&deviceId=6755478849344917&anid= HTTP/2.0
host: g.bing.com
accept-encoding: gzip, deflate
user-agent: WindowsShellClient/9.0.40929.0 (Windows)
cookie: MUID=11B8AB9D7445613E39B6BE3D75E9603C

Response

HTTP/2.0 204

cache-control: no-cache, must-revalidate
pragma: no-cache
expires: Fri, 01 Jan 1990 00:00:00 GMT
set-cookie: MSPTC=26vCHncuWbAldHLYQDI7-VQFrH-NfIUaXsyn99l3_k0; domain=.bing.com; expires=Tue, 24-Mar-2026 11:32:46 GMT; path=/; Partitioned; secure; SameSite=None
strict-transport-security: max-age=31536000; includeSubDomains; preload
access-control-allow-origin: *
x-cache: CONFIG_NOCACHE
accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref: Ref A: 5783FA0D82B9408BA8167CAC14677FB9 Ref B: FRA31EDGE0807 Ref C: 2025-02-27T11:32:46Z
date: Thu, 27 Feb 2025 11:32:46 GMT
GET

https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=d0e8e34718eb403aa27a0dbfd6c1ff7e&localId=w:E39843FB-A60C-6B86-72F2-55AF29660625&deviceId=6755478849344917&anid=

Remote address:

150.171.28.10:443

Request

GET /neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=d0e8e34718eb403aa27a0dbfd6c1ff7e&localId=w:E39843FB-A60C-6B86-72F2-55AF29660625&deviceId=6755478849344917&anid= HTTP/2.0
host: g.bing.com
accept-encoding: gzip, deflate
user-agent: WindowsShellClient/9.0.40929.0 (Windows)
cookie: MUID=11B8AB9D7445613E39B6BE3D75E9603C; MSPTC=26vCHncuWbAldHLYQDI7-VQFrH-NfIUaXsyn99l3_k0

Response

HTTP/2.0 204

cache-control: no-cache, must-revalidate
pragma: no-cache
expires: Fri, 01 Jan 1990 00:00:00 GMT
strict-transport-security: max-age=31536000; includeSubDomains; preload
access-control-allow-origin: *
x-cache: CONFIG_NOCACHE
accept-ch: Sec-CH-UA-Arch, Sec-CH-UA-Bitness, Sec-CH-UA-Full-Version, Sec-CH-UA-Full-Version-List, Sec-CH-UA-Mobile, Sec-CH-UA-Model, Sec-CH-UA-Platform, Sec-CH-UA-Platform-Version
x-msedge-ref: Ref A: 4261DFD9E7B44AE09BDE52CBBB85EF11 Ref B: FRA31EDGE0807 Ref C: 2025-02-27T11:32:46Z
date: Thu, 27 Feb 2025 11:32:46 GMT

150.171.28.10:443

https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=d0e8e34718eb403aa27a0dbfd6c1ff7e&localId=w:E39843FB-A60C-6B86-72F2-55AF29660625&deviceId=6755478849344917&anid=

tls, http2

2.0kB
9.4kB
21
19

HTTP Request

GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=d0e8e34718eb403aa27a0dbfd6c1ff7e&localId=w:E39843FB-A60C-6B86-72F2-55AF29660625&deviceId=6755478849344917&anid=

HTTP Response

204

HTTP Request

GET https://g.bing.com/neg/0?action=emptycreative&adUnitId=11730597&publisherId=251978541&rid=d0e8e34718eb403aa27a0dbfd6c1ff7e&localId=w:E39843FB-A60C-6B86-72F2-55AF29660625&deviceId=6755478849344917&anid=

HTTP Response

204

HTTP Request

GET https://g.bing.com/neg/0?action=emptycreativeimpression&adUnitId=11730597&publisherId=251978541&rid=d0e8e34718eb403aa27a0dbfd6c1ff7e&localId=w:E39843FB-A60C-6B86-72F2-55AF29660625&deviceId=6755478849344917&anid=

HTTP Response

204
199.232.214.172:445

ctldl.windowsupdate.com

260 B
5
20.223.35.26:445

arc.msn.com

260 B
5
150.171.28.10:445

g.bing.com

260 B
5
20.190.160.22:445

login.live.com

260 B
5
10.127.0.1:445

260 B
5
20.223.35.26:139

arc.msn.com

208 B
4
20.190.160.22:139

login.live.com

208 B
4
150.171.28.10:139

g.bing.com

208 B
4
10.127.0.1:139

208 B
4
199.232.214.172:139

ctldl.windowsupdate.com

208 B
4
10.127.0.1:445

rundll32.exe

104 B
2
10.127.0.1:139

rundll32.exe

104 B
2
10.127.0.0:445

rundll32.exe
10.127.0.0:139

rundll32.exe
10.127.0.2:445

rundll32.exe
10.127.0.2:139

rundll32.exe
10.127.0.3:445

rundll32.exe
10.127.0.3:139

rundll32.exe
10.127.0.4:445

rundll32.exe

8.8.8.8:53

g.bing.com

dns

56 B
148 B
1
1

DNS Request

g.bing.com

DNS Response

150.171.28.10

150.171.27.10

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\99FE.tmp

Filesize
60KB

MD5
347ac3b6b791054de3e5720a7144a977

SHA1
413eba3973a15c1a6429d9f170f3e8287f98c21c

SHA256
301b905eb98d8d6bb559c04bbda26628a942b2c4107c07a02e8f753bdcfe347c

SHA512
9a399916bc681964af1e1061bc0a8e2926307642557539ad587ce6f9b5ef93bdf1820fe5d7b5ffe5f0bb38e5b4dc6add213ba04048c0c7c264646375fcd01787

Download Submit
C:\Windows\infpub.dat

Filesize
401KB

MD5
449546d6d9a953b1364147ed0755c3b3

SHA1
8306721ab3735df6a5e743b289011b04fdb763bc

SHA256
50bbb61b89a635adcbef23b498cc5c83bc94d161f816131433eeff9143d830b5

SHA512
ed986c6d12deca8d3357d16c976bb1535455c668520f9229f08096c9108a26aa5cc45cfba967e326b3cb1ceb25c97174161800311bdb1a652baf4f0a7c2114c0

Download Submit
C:\Windows\infpub.dat

Filesize
401KB

MD5
c29d6253d89ee9c0c872dd377a7a8454

SHA1
46be3800684f6b208e0a8c7b120ef8614c22c4b0

SHA256
03f4198a279ea4c36a62cd271d3b2d796547013548666006fbef45e20bb920cb

SHA512
50141de5e0a827688251161353932b677c85e0d6e6831293c9a0044543e541fe8bd4e62fa403abc06df9d220fd843aa58ff9cc37abf46be3e06ae14905c24a5e

Download Submit
memory/4396-3-0x0000000001490000-0x00000000014F8000-memory.dmp

Filesize
416KB

Download
memory/4396-11-0x0000000001490000-0x00000000014F8000-memory.dmp

Filesize
416KB

Download
memory/4396-14-0x0000000001490000-0x00000000014F8000-memory.dmp

Filesize
416KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

HTTP Request

HTTP Response

HTTP Request

HTTP Response

HTTP Request

HTTP Response

DNS Request

DNS Response

MITRE ATT&CK Enterprise v15

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Downloads

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