5e5d5458b8a025c2bc9a6e7998492989732967c9a1019b11d655200adf3686c7

Analysis

max time kernel
27s
max time network
155s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:13 UTC

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General

Target

834458e6efa75273db3e9a2c5c4c3293.exe
Size

866KB
MD5

834458e6efa75273db3e9a2c5c4c3293
SHA1

bb378bd95e1703b97c04e718eec1ff2450d5d05c
SHA256

333538bef9583fb942047c9f004540af1f6c56b6f09083b27272459aab610b6d
SHA512

6a3574a333680f62f5047f4f2acdc2d1f93cb3f30405f986748212e62e58e1b024fe96d0b44759ccc563e91e97bd6cf0cb854041ee9541c6b2249ae04430bf55
SSDEEP

6144:ztT/Yq3v9Auky+4dusAIFB++velibxPyp/64wjOjn6cB3rT7/:V6u7+487IFjvelQypyfy7T7/

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2904	app.exe

Loads dropped DLL 1 IoCs

pid	Process
3036	834458e6efa75273db3e9a2c5c4c3293.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\app.exe"	834458e6efa75273db3e9a2c5c4c3293.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	checkip.dyndns.org

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 2 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	834458e6efa75273db3e9a2c5c4c3293.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	app.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3036	834458e6efa75273db3e9a2c5c4c3293.exe
3036	834458e6efa75273db3e9a2c5c4c3293.exe
3036	834458e6efa75273db3e9a2c5c4c3293.exe
3036	834458e6efa75273db3e9a2c5c4c3293.exe
3036	834458e6efa75273db3e9a2c5c4c3293.exe
3036	834458e6efa75273db3e9a2c5c4c3293.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3036	834458e6efa75273db3e9a2c5c4c3293.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 2904	3036	834458e6efa75273db3e9a2c5c4c3293.exe	30
PID 3036 wrote to memory of 2904	3036	834458e6efa75273db3e9a2c5c4c3293.exe	30
PID 3036 wrote to memory of 2904	3036	834458e6efa75273db3e9a2c5c4c3293.exe	30
PID 3036 wrote to memory of 2904	3036	834458e6efa75273db3e9a2c5c4c3293.exe	30

C:\Users\Admin\AppData\Local\Temp\834458e6efa75273db3e9a2c5c4c3293.exe
"C:\Users\Admin\AppData\Local\Temp\834458e6efa75273db3e9a2c5c4c3293.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Users\Admin\AppData\Roaming\app.exe
  "C:\Users\Admin\AppData\Roaming\app.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2904
- - C:\Users\Admin\AppData\Roaming\app.exe
    "C:\Users\Admin\AppData\Roaming\app.exe"
    3⤵
    PID:2020
- - C:\Users\Admin\AppData\Roaming\My.RawFile.exe
    "C:\Users\Admin\AppData\Roaming\My.RawFile.exe"
    3⤵
    PID:2956
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe"
    3⤵
    PID:988
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe
    "C:\Windows\Microsoft.NET\Framework\v2.0.50727\aspnet_compiler.exe"
    3⤵
    PID:2920

Network

DNS

checkip.dyndns.org

Remote address:

8.8.8.8:53

Request

checkip.dyndns.org

IN A

Response

checkip.dyndns.org

IN CNAME

checkip.dyndns.com

checkip.dyndns.com

IN A

158.101.44.242

checkip.dyndns.com

IN A

132.226.247.73

checkip.dyndns.com

IN A

193.122.6.168

checkip.dyndns.com

IN A

132.226.8.169

checkip.dyndns.com

IN A

193.122.130.0
DNS

checkip.dyndns.org

Remote address:

8.8.8.8:53

Request

checkip.dyndns.org

IN A
GET

http://checkip.dyndns.org/

Remote address:

158.101.44.242:80

Request

GET / HTTP/1.1
Host: checkip.dyndns.org
Connection: Keep-Alive

Response

HTTP/1.1 200 OK

Date: Sat, 22 Mar 2025 06:19:06 GMT
Content-Type: text/html
Content-Length: 106
Connection: keep-alive
Cache-Control: no-cache
Pragma: no-cache
X-Request-ID: ce0f8ad3a9417fbad56e66f2d4b98d2c
DNS

smtp.yandex.com

Remote address:

8.8.8.8:53

Request

smtp.yandex.com

IN A

Response

smtp.yandex.com

IN CNAME

smtp.yandex.ru

smtp.yandex.ru

IN A

77.88.21.158
DNS

smtp.yandex.com

Remote address:

8.8.8.8:53

Request

smtp.yandex.com

IN A
DNS

smtp.yandex.com

Remote address:

8.8.8.8:53

Request

smtp.yandex.com

IN A
DNS

www.microsoft.com

Remote address:

8.8.8.8:53

Request

www.microsoft.com

IN A

Response

www.microsoft.com

IN CNAME

www.microsoft.com-c-3.edgekey.net

www.microsoft.com-c-3.edgekey.net

IN CNAME

www.microsoft.com-c-3.edgekey.net.globalredir.akadns.net

www.microsoft.com-c-3.edgekey.net.globalredir.akadns.net

IN CNAME

e13678.dscb.akamaiedge.net

e13678.dscb.akamaiedge.net

IN A

23.37.198.101
DNS

www.microsoft.com

Remote address:

8.8.8.8:53

Request

www.microsoft.com

IN A
GET

http://www.microsoft.com/pkiops/crl/MicCodSigPCA2011_2011-07-08.crl

Remote address:

23.37.198.101:80

Request

GET /pkiops/crl/MicCodSigPCA2011_2011-07-08.crl HTTP/1.1
Connection: Keep-Alive
Accept: */*
If-Modified-Since: Sun, 18 Aug 2024 00:23:49 GMT
User-Agent: Microsoft-CryptoAPI/6.1
Host: www.microsoft.com

Response

HTTP/1.1 200 OK

Content-Length: 1078
Content-Type: application/octet-stream
Content-MD5: HqJzZuA065RHozzmOcAUiQ==
Last-Modified: Tue, 14 Jan 2025 20:41:31 GMT
ETag: 0x8DD34DBD43549F4
x-ms-request-id: a8cbf9bc-b01e-0010-4cc4-669282000000
x-ms-version: 2009-09-19
x-ms-lease-status: unlocked
x-ms-blob-type: BlockBlob
Date: Sat, 22 Mar 2025 06:19:21 GMT
Connection: keep-alive
TLS_version: UNKNOWN
ms-cv: CASMicrosoftCV442c7f89.0
ms-cv-esi: CASMicrosoftCV442c7f89.0
X-RTag: RT
DNS

crl.microsoft.com

Remote address:

8.8.8.8:53

Request

crl.microsoft.com

IN A

Response

crl.microsoft.com

IN CNAME

crl.www.ms.akadns.net

crl.www.ms.akadns.net

IN CNAME

a1363.dscg.akamai.net

a1363.dscg.akamai.net

IN A

2.19.252.157

a1363.dscg.akamai.net

IN A

2.19.252.143
GET

http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl

Remote address:

2.19.252.157:80

Request

GET /pki/crl/products/MicRooCerAut2011_2011_03_22.crl HTTP/1.1
Connection: Keep-Alive
Accept: */*
If-Modified-Since: Thu, 26 Sep 2024 02:21:11 GMT
User-Agent: Microsoft-CryptoAPI/6.1
Host: crl.microsoft.com

Response

HTTP/1.1 200 OK

Content-Length: 825
Content-Type: application/octet-stream
Content-MD5: O14L1mQEVqdJ2RVebBNXJw==
Last-Modified: Wed, 26 Feb 2025 21:48:51 GMT
ETag: 0x8DD56AF5BD2A499
Server: Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
x-ms-request-id: 42091eff-701e-0052-4a9a-882b02000000
x-ms-version: 2009-09-19
x-ms-lease-status: unlocked
x-ms-blob-type: BlockBlob
Date: Sat, 22 Mar 2025 06:19:22 GMT
Connection: keep-alive

158.101.44.242:80

http://checkip.dyndns.org/

http

436 B
615 B
8
7

HTTP Request

GET http://checkip.dyndns.org/

HTTP Response

200
77.88.21.158:587

smtp.yandex.com

smtp-submission

1.8kB
6.8kB
25
22
23.37.198.101:80

http://www.microsoft.com/pkiops/crl/MicCodSigPCA2011_2011-07-08.crl

http

393 B
1.7kB
4
4

HTTP Request

GET http://www.microsoft.com/pkiops/crl/MicCodSigPCA2011_2011-07-08.crl

HTTP Response

200
2.19.252.157:80

http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl

http

1.1kB
5.4kB
9
7

HTTP Request

GET http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl

HTTP Response

200

8.8.8.8:53

checkip.dyndns.org

dns

128 B
176 B
2
1

DNS Request

checkip.dyndns.org

DNS Request

checkip.dyndns.org

DNS Response

158.101.44.242

132.226.247.73

193.122.6.168

132.226.8.169

193.122.130.0
8.8.8.8:53

smtp.yandex.com

dns

183 B
105 B
3
1

DNS Request

smtp.yandex.com

DNS Request

smtp.yandex.com

DNS Request

smtp.yandex.com

DNS Response

77.88.21.158
8.8.8.8:53

www.microsoft.com

dns

126 B
230 B
2
1

DNS Request

www.microsoft.com

DNS Request

www.microsoft.com

DNS Response

23.37.198.101
8.8.8.8:53

crl.microsoft.com

dns

63 B
162 B
1
1

DNS Request

crl.microsoft.com

DNS Response

2.19.252.157

2.19.252.143

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
9628a526495b4eeafb2cab84fe5e9381

SHA1
4bdc251dd99bed25f41e3e1e19bf3c0015d54d68

SHA256
f51977f867b9a3f9c686fc17cc7ec636a5a242c69b2732bc65b7d130264ba0a8

SHA512
67060ca97b379d7a18b5173367855ea700af733bc3d3f88ccbe4436ebf37bd07db9da2e78d7b8055692a704ed0fa37a3094a20a4cb396add9533b2496d8cee88

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab4B2.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar142D.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
C:\Users\Admin\AppData\Roaming\My.RawFile.exe

Filesize
142KB

MD5
5a733ef0de5e31e2e4b4abb016c0f251

SHA1
28644040a6deac35c20fa931b5d003a97293363e

SHA256
a80c77ca694eca3f6629c54572aba811e64b61975c5db2ff38c8d662d12b1ce7

SHA512
9d09ac6b6a560643cac08345ab6ef8578011b11be7d4821d7aa1b3d76f2801d30cb4d206a4ff9335f0ece5cfa2ec8258754b2481102eac3da064e5005f7ffba9

Download Submit
\Users\Admin\AppData\Roaming\app.exe

Filesize
872KB

MD5
3afc372f20d2be70e6a96ea00cf97085

SHA1
1839ae0d50acf027acdd2da203de5b25c41dc7f3

SHA256
f023a8a7be61af8fc63ba2204f39cfef93381fe3ed028602a93a96466b6e5ebf

SHA512
1c1ad35f18380ff78fd21e458ff9b0f8d52277ec26f017992d8867906f03abd3d92e7670aed842aa3dccc0c73a4534fa41648be489e91d2acc2ad051e8839614

Download Submit
memory/988-89-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/988-90-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2904-93-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/2904-68-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/2904-35-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/2904-46-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/2904-36-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/2904-96-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/2904-97-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/2904-45-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/2920-75-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2920-69-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2920-79-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2920-80-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2920-71-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/2920-73-0x0000000000400000-0x0000000000410000-memory.dmp

Filesize
64KB

Download
memory/3036-0-0x00000000745D1000-0x00000000745D2000-memory.dmp

Filesize
4KB

Download
memory/3036-14-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/3036-26-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/3036-27-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/3036-34-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/3036-13-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/3036-12-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/3036-2-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download
memory/3036-1-0x00000000745D0000-0x0000000074B7B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

HTTP Request

HTTP Response

HTTP Request

HTTP Response

HTTP Request

HTTP Response

DNS Request

DNS Request

DNS Response

DNS Request

DNS Request

DNS Request

DNS Response

DNS Request

DNS Request

DNS Response

DNS Request

DNS Response

MITRE ATT&CK Enterprise v15

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Downloads

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