4fd3139593175da0796672a18074385534c35f504a5a4786bfc088fcb2adbb63

Analysis

max time kernel
45s
max time network
49s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
19-07-2022 20:13

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General

Target

4fd3139593175da0796672a18074385534c35f504a5a4786bfc088fcb2adbb63.exe
Size

146KB
MD5

186268ceeaf8f912c6845fc97ce04970
SHA1

dcb5c6926c267aac776df34ea5779bc7e3340acc
SHA256

4fd3139593175da0796672a18074385534c35f504a5a4786bfc088fcb2adbb63
SHA512

708d150afe16181afa189d670d729c8e2796ec57d4eac6272dcb11719d335bd2309562d21dfa5e85bc093c00aa4a71adde786edb8ed7a6f8b93c3bbca99b665f

Score

7^/10

Malware Config

Signatures

Loads dropped DLL 1 IoCs

Processes:

4fd3139593175da0796672a18074385534c35f504a5a4786bfc088fcb2adbb63.exe

pid process

1752 4fd3139593175da0796672a18074385534c35f504a5a4786bfc088fcb2adbb63.exe

pid	process
1752	4fd3139593175da0796672a18074385534c35f504a5a4786bfc088fcb2adbb63.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

4fd3139593175da0796672a18074385534c35f504a5a4786bfc088fcb2adbb63.exe

description	pid	process	target process
PID 1752 set thread context of 2008	1752	4fd3139593175da0796672a18074385534c35f504a5a4786bfc088fcb2adbb63.exe	4fd3139593175da0796672a18074385534c35f504a5a4786bfc088fcb2adbb63.exe

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

System Information Discovery
T1082
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

4fd3139593175da0796672a18074385534c35f504a5a4786bfc088fcb2adbb63.exe

pid process

1752 4fd3139593175da0796672a18074385534c35f504a5a4786bfc088fcb2adbb63.exe

pid	process
1752	4fd3139593175da0796672a18074385534c35f504a5a4786bfc088fcb2adbb63.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

4fd3139593175da0796672a18074385534c35f504a5a4786bfc088fcb2adbb63.exe

description	pid	process	target process
PID 1752 wrote to memory of 2008	1752	4fd3139593175da0796672a18074385534c35f504a5a4786bfc088fcb2adbb63.exe	4fd3139593175da0796672a18074385534c35f504a5a4786bfc088fcb2adbb63.exe
PID 1752 wrote to memory of 2008	1752	4fd3139593175da0796672a18074385534c35f504a5a4786bfc088fcb2adbb63.exe	4fd3139593175da0796672a18074385534c35f504a5a4786bfc088fcb2adbb63.exe
PID 1752 wrote to memory of 2008	1752	4fd3139593175da0796672a18074385534c35f504a5a4786bfc088fcb2adbb63.exe	4fd3139593175da0796672a18074385534c35f504a5a4786bfc088fcb2adbb63.exe
PID 1752 wrote to memory of 2008	1752	4fd3139593175da0796672a18074385534c35f504a5a4786bfc088fcb2adbb63.exe	4fd3139593175da0796672a18074385534c35f504a5a4786bfc088fcb2adbb63.exe
PID 1752 wrote to memory of 2008	1752	4fd3139593175da0796672a18074385534c35f504a5a4786bfc088fcb2adbb63.exe	4fd3139593175da0796672a18074385534c35f504a5a4786bfc088fcb2adbb63.exe

C:\Users\Admin\AppData\Local\Temp\4fd3139593175da0796672a18074385534c35f504a5a4786bfc088fcb2adbb63.exe
"C:\Users\Admin\AppData\Local\Temp\4fd3139593175da0796672a18074385534c35f504a5a4786bfc088fcb2adbb63.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1752

C:\Users\Admin\AppData\Local\Temp\4fd3139593175da0796672a18074385534c35f504a5a4786bfc088fcb2adbb63.exe
"C:\Users\Admin\AppData\Local\Temp\4fd3139593175da0796672a18074385534c35f504a5a4786bfc088fcb2adbb63.exe"
2⤵
PID:2008

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\nsiBC5.tmp\System.dll
Filesize
11KB

MD5
3f176d1ee13b0d7d6bd92e1c7a0b9bae

SHA1
fe582246792774c2c9dd15639ffa0aca90d6fd0b

SHA256
fa4ab1d6f79fd677433a31ada7806373a789d34328da46ccb0449bbf347bd73e

SHA512
0a69124819b7568d0dea4e9e85ce8fe61c7ba697c934e3a95e2dcfb9f252b1d9da7faf8774b6e8efd614885507acc94987733eba09a2f5e7098b774dfc8524b6

Download Submit
memory/1752-54-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

Filesize
8KB

Download
memory/2008-56-0x0000000000401240-mapping.dmp

Download
memory/2008-58-0x0000000000400000-0x0000000000411000-memory.dmp

Filesize
68KB

Download