e5588aef6afd35bb77e1d48b4cdff5cd3518032c1800d15f4b0258d2861e5d28

Analysis

max time kernel
132s
max time network
148s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
23-11-2022 12:50

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General

Target

e5588aef6afd35bb77e1d48b4cdff5cd3518032c1800d15f4b0258d2861e5d28.exe
Size

471KB
MD5

ca30e693e0a77051d010b82ebe469153
SHA1

fbd2fae427ba661f761d65cd17ff62dad4bced8c
SHA256

e5588aef6afd35bb77e1d48b4cdff5cd3518032c1800d15f4b0258d2861e5d28
SHA512

13d5afe719575208a87b599d19fee7cb486f1e512744b75725a7dc4a920f81bc0e610fa0910d8fe9a9f5dcf0e7934f8493b5318b33ad74dbb2a9798f71cb652c
SSDEEP

6144:Nmsyd7BspOWZ+Stxo3Gc2uqy3gu88mWCMpCRWFf2Kj+m+6XjY/:5pO3StxwGc2c3tfmfsCRA22+m+8c

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

worker.exe

pid process

832 worker.exe
Loads dropped DLL 1 IoCs

Processes:

e5588aef6afd35bb77e1d48b4cdff5cd3518032c1800d15f4b0258d2861e5d28.exe

pid process

1200 e5588aef6afd35bb77e1d48b4cdff5cd3518032c1800d15f4b0258d2861e5d28.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 1 IoCs
adware spyware

Modify Registry
T1112

Processes:

worker.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main worker.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

worker.exe

description pid process

Token: SeDebugPrivilege 832 worker.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

worker.exe

pid process

832 worker.exe
832 worker.exe

pid	process
832	worker.exe

pid	process
1200	e5588aef6afd35bb77e1d48b4cdff5cd3518032c1800d15f4b0258d2861e5d28.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main	worker.exe

description	pid	process
Token: SeDebugPrivilege	832	worker.exe

pid	process
832	worker.exe
832	worker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

e5588aef6afd35bb77e1d48b4cdff5cd3518032c1800d15f4b0258d2861e5d28.exe

description	pid	process	target process
PID 1200 wrote to memory of 832	1200	e5588aef6afd35bb77e1d48b4cdff5cd3518032c1800d15f4b0258d2861e5d28.exe	worker.exe
PID 1200 wrote to memory of 832	1200	e5588aef6afd35bb77e1d48b4cdff5cd3518032c1800d15f4b0258d2861e5d28.exe	worker.exe
PID 1200 wrote to memory of 832	1200	e5588aef6afd35bb77e1d48b4cdff5cd3518032c1800d15f4b0258d2861e5d28.exe	worker.exe
PID 1200 wrote to memory of 832	1200	e5588aef6afd35bb77e1d48b4cdff5cd3518032c1800d15f4b0258d2861e5d28.exe	worker.exe

C:\Users\Admin\AppData\Local\Temp\e5588aef6afd35bb77e1d48b4cdff5cd3518032c1800d15f4b0258d2861e5d28.exe
"C:\Users\Admin\AppData\Local\Temp\e5588aef6afd35bb77e1d48b4cdff5cd3518032c1800d15f4b0258d2861e5d28.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1200

C:\Users\Admin\AppData\Local\Temp\DM\worker.exe
"C:\Users\Admin\AppData\Local\Temp\DM\worker.exe"
2⤵
- Executes dropped EXE
- Modifies Internet Explorer settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:832

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\DM\parent.txt
Filesize
471KB

MD5
ca30e693e0a77051d010b82ebe469153

SHA1
fbd2fae427ba661f761d65cd17ff62dad4bced8c

SHA256
e5588aef6afd35bb77e1d48b4cdff5cd3518032c1800d15f4b0258d2861e5d28

SHA512
13d5afe719575208a87b599d19fee7cb486f1e512744b75725a7dc4a920f81bc0e610fa0910d8fe9a9f5dcf0e7934f8493b5318b33ad74dbb2a9798f71cb652c

Download Submit
C:\Users\Admin\AppData\Local\Temp\DM\worker.exe
Filesize
19KB

MD5
2b23c69b68708c14fc214c3454e6b1bd

SHA1
5c923d25c14ad13dab4f05bb1423026f873e7dc4

SHA256
b2eb3b20cfa82a80207cb9fe8ea7cb28faa1b35612816b7b0052e68b9c8068bd

SHA512
00135ff0664e9de5f98be600773c72025f5f338e7301ab9d10b023fef672baa2ddbe3124813352eacf8d7475f0905d68dded619aa2cc3099f10b943ff3cdb8c5

Download Submit
C:\Users\Admin\AppData\Local\Temp\DM\worker.exe
Filesize
19KB

MD5
2b23c69b68708c14fc214c3454e6b1bd

SHA1
5c923d25c14ad13dab4f05bb1423026f873e7dc4

SHA256
b2eb3b20cfa82a80207cb9fe8ea7cb28faa1b35612816b7b0052e68b9c8068bd

SHA512
00135ff0664e9de5f98be600773c72025f5f338e7301ab9d10b023fef672baa2ddbe3124813352eacf8d7475f0905d68dded619aa2cc3099f10b943ff3cdb8c5

Download Submit
\Users\Admin\AppData\Local\Temp\DM\worker.exe
Filesize
19KB

MD5
2b23c69b68708c14fc214c3454e6b1bd

SHA1
5c923d25c14ad13dab4f05bb1423026f873e7dc4

SHA256
b2eb3b20cfa82a80207cb9fe8ea7cb28faa1b35612816b7b0052e68b9c8068bd

SHA512
00135ff0664e9de5f98be600773c72025f5f338e7301ab9d10b023fef672baa2ddbe3124813352eacf8d7475f0905d68dded619aa2cc3099f10b943ff3cdb8c5

Download Submit
memory/832-56-0x0000000000000000-mapping.dmp

Download
memory/832-59-0x000007FEF37E0000-0x000007FEF4203000-memory.dmp

Filesize
10.1MB

Download
memory/832-60-0x000007FEF2740000-0x000007FEF37D6000-memory.dmp

Filesize
16.6MB

Download
memory/832-61-0x000007FEFC001000-0x000007FEFC003000-memory.dmp

Filesize
8KB

Download
memory/1200-54-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

Filesize
8KB

Download