99dfe0c0529b4122889ac7023330f2749df048d0b11a91e92155d991e189f0d8

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
26-02-2024 08:34

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General

Target

a5e7145dc17d160b41d36dbea524c3f0.exe
Size

871KB
MD5

a5e7145dc17d160b41d36dbea524c3f0
SHA1

2ad6faea0f967df37e404d14a4c1ccca607a924e
SHA256

99dfe0c0529b4122889ac7023330f2749df048d0b11a91e92155d991e189f0d8
SHA512

672a08a7e62b1129cc2997dd77e1709e86281d89d6ab88d12e771120b7a7a15638b9e2e110d3f95cf04e319da31dedbac4727d8b67e2a2343c68d280967d83c9
SSDEEP

24576:GR1wvcupUr/Tbp0g7kpRmxC98+/WQ8mkU:AfupUzTbmzpRtWzmL

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 2 IoCs

Processes:

1.exe2.exe

pid	Process
824	1.exe
2352	2.exe

Loads dropped DLL 7 IoCs

Processes:

a5e7145dc17d160b41d36dbea524c3f0.exeWerFault.exe

pid	Process
1900	a5e7145dc17d160b41d36dbea524c3f0.exe
1900	a5e7145dc17d160b41d36dbea524c3f0.exe
2512	WerFault.exe
2512	WerFault.exe
2512	WerFault.exe
2512	WerFault.exe
2512	WerFault.exe

Looks up external IP address via web service 4 IoCs

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

Processes:

flow	ioc
2	wtfismyip.com
3	wtfismyip.com
4	api.ipify.org
5	api.ipify.org

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

System Information Discovery
T1082

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2512	2352	WerFault.exe	30

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

2.exe

pid	Process
2352	2.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

2.exe1.exe

description	pid	Process
Token: SeDebugPrivilege	2352	2.exe
Token: SeDebugPrivilege	824	1.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

a5e7145dc17d160b41d36dbea524c3f0.exe2.exe

description	pid	Process	procid_target
PID 1900 wrote to memory of 824	1900	a5e7145dc17d160b41d36dbea524c3f0.exe	29
PID 1900 wrote to memory of 824	1900	a5e7145dc17d160b41d36dbea524c3f0.exe	29
PID 1900 wrote to memory of 824	1900	a5e7145dc17d160b41d36dbea524c3f0.exe	29
PID 1900 wrote to memory of 824	1900	a5e7145dc17d160b41d36dbea524c3f0.exe	29
PID 1900 wrote to memory of 2352	1900	a5e7145dc17d160b41d36dbea524c3f0.exe	30
PID 1900 wrote to memory of 2352	1900	a5e7145dc17d160b41d36dbea524c3f0.exe	30
PID 1900 wrote to memory of 2352	1900	a5e7145dc17d160b41d36dbea524c3f0.exe	30
PID 1900 wrote to memory of 2352	1900	a5e7145dc17d160b41d36dbea524c3f0.exe	30
PID 2352 wrote to memory of 2512	2352	2.exe	31
PID 2352 wrote to memory of 2512	2352	2.exe	31
PID 2352 wrote to memory of 2512	2352	2.exe	31
PID 2352 wrote to memory of 2512	2352	2.exe	31

C:\Users\Admin\AppData\Local\Temp\a5e7145dc17d160b41d36dbea524c3f0.exe
"C:\Users\Admin\AppData\Local\Temp\a5e7145dc17d160b41d36dbea524c3f0.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1900
- C:\Users\Admin\AppData\Local\Temp\1.exe
  "C:\Users\Admin\AppData\Local\Temp\1.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:824
- C:\Users\Admin\AppData\Local\Temp\2.exe
  "C:\Users\Admin\AppData\Local\Temp\2.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2352
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 1156
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2512

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\1.exe

Filesize
1.0MB

MD5
dd3c11b27f04d8117c742743aee371fd

SHA1
1565d444ad28de48c4bf0ce25b07ef4651092621

SHA256
0ccd702f7d3bac8ad10a6690819e875dd7a1ba2a09e66b027f371e93a51bce49

SHA512
8ac46760ed0462a0e2765999b265eb6cd196ab1d7d38676d77f3ea5061d1a794d1f5e5f0d253c55bf539838e1a2764265fa16c4712fe91eeaac435a1a0046a5c

Download Submit
\Users\Admin\AppData\Local\Temp\2.exe

Filesize
7KB

MD5
3947b2cc3f68a712d431b5c2a2c2ee4d

SHA1
db0443ba8a6d5839e93bf59f3eed0e69c545df3b

SHA256
abfcccc38dd5217e0bc9af26c9902c22450b3ac5ae203142e89164f019419262

SHA512
f1d0b3279cffaa2bc121f6ac7b068416ebe3cc5824222e5a73d118e0528c3438d9f1e0d1c698dc9306a1a0eebfd78f29a3df283c6ed68e466d694b9a344d0991

Download Submit
memory/824-15-0x0000000000A00000-0x0000000000B0A000-memory.dmp

Filesize
1.0MB

Download
memory/824-17-0x000007FEF59C0000-0x000007FEF63AC000-memory.dmp

Filesize
9.9MB

Download
memory/824-20-0x0000000000410000-0x0000000000490000-memory.dmp

Filesize
512KB

Download
memory/824-21-0x000000001AE70000-0x000000001AEE6000-memory.dmp

Filesize
472KB

Download
memory/824-22-0x000007FEF59C0000-0x000007FEF63AC000-memory.dmp

Filesize
9.9MB

Download
memory/2352-16-0x0000000000AF0000-0x0000000000AF8000-memory.dmp

Filesize
32KB

Download
memory/2352-18-0x0000000074870000-0x0000000074F5E000-memory.dmp

Filesize
6.9MB

Download
memory/2352-19-0x0000000002330000-0x0000000002370000-memory.dmp

Filesize
256KB

Download
memory/2352-28-0x0000000074870000-0x0000000074F5E000-memory.dmp

Filesize
6.9MB

Download
memory/2352-29-0x0000000002330000-0x0000000002370000-memory.dmp

Filesize
256KB

Download