3ec3ae6bb4ac34c84d1d05bce660e6e6a22c4bedffd344210a7256035084eacc

General

Target

3ec3ae6bb4ac34c84d1d05bce660e6e6a22c4bedffd344210a7256035084eacc.exe
Size

65KB
MD5

6fea3291fe09cb01b80af884e9c4c5a0
SHA1

8f04f74104cf4e3c213d6f937b80fb4971d68768
SHA256

3ec3ae6bb4ac34c84d1d05bce660e6e6a22c4bedffd344210a7256035084eacc
SHA512

c9807bdd81c76f1c381dac8d13b9bdd25a3faf240e2b955edf7b86502f390af74acd690e3b1209515cbf184b01b34747c2d51f629a81bdcf1e1c32e56d29a8e9
SSDEEP

768:968OykB9sBXhmssJn+AL6N31z7erWxLQU0AFWAseTT60KF/PgUPUCSNiU/gC:/O4mt631HerjDHeP60KF/PXPA

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4896	Trojan.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1496	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\Control Panel\International\Geo\Nation	3ec3ae6bb4ac34c84d1d05bce660e6e6a22c4bedffd344210a7256035084eacc.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2891029575-1462575-1165213807-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.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: EnumeratesProcesses 25 IoCs

pid	Process
4896	Trojan.exe
4896	Trojan.exe
4896	Trojan.exe
4896	Trojan.exe
4896	Trojan.exe
4896	Trojan.exe
4896	Trojan.exe
4896	Trojan.exe
4896	Trojan.exe
4896	Trojan.exe
4896	Trojan.exe
4896	Trojan.exe
4896	Trojan.exe
4896	Trojan.exe
4896	Trojan.exe
4896	Trojan.exe
4896	Trojan.exe
4896	Trojan.exe
4896	Trojan.exe
4896	Trojan.exe
4896	Trojan.exe
4896	Trojan.exe
4896	Trojan.exe
4896	Trojan.exe
4896	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4896	Trojan.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 4896	2808	3ec3ae6bb4ac34c84d1d05bce660e6e6a22c4bedffd344210a7256035084eacc.exe	82
PID 2808 wrote to memory of 4896	2808	3ec3ae6bb4ac34c84d1d05bce660e6e6a22c4bedffd344210a7256035084eacc.exe	82
PID 2808 wrote to memory of 4896	2808	3ec3ae6bb4ac34c84d1d05bce660e6e6a22c4bedffd344210a7256035084eacc.exe	82
PID 4896 wrote to memory of 1496	4896	Trojan.exe	83
PID 4896 wrote to memory of 1496	4896	Trojan.exe	83
PID 4896 wrote to memory of 1496	4896	Trojan.exe	83

C:\Users\Admin\AppData\Local\Temp\3ec3ae6bb4ac34c84d1d05bce660e6e6a22c4bedffd344210a7256035084eacc.exe
"C:\Users\Admin\AppData\Local\Temp\3ec3ae6bb4ac34c84d1d05bce660e6e6a22c4bedffd344210a7256035084eacc.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Users\Admin\AppData\Local\Temp\Trojan.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4896
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1496

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Trojan.exe

Filesize
65KB

MD5
6fea3291fe09cb01b80af884e9c4c5a0

SHA1
8f04f74104cf4e3c213d6f937b80fb4971d68768

SHA256
3ec3ae6bb4ac34c84d1d05bce660e6e6a22c4bedffd344210a7256035084eacc

SHA512
c9807bdd81c76f1c381dac8d13b9bdd25a3faf240e2b955edf7b86502f390af74acd690e3b1209515cbf184b01b34747c2d51f629a81bdcf1e1c32e56d29a8e9

Download Submit
C:\Users\Admin\AppData\Local\Temp\Trojan.exe

Filesize
65KB

MD5
6fea3291fe09cb01b80af884e9c4c5a0

SHA1
8f04f74104cf4e3c213d6f937b80fb4971d68768

SHA256
3ec3ae6bb4ac34c84d1d05bce660e6e6a22c4bedffd344210a7256035084eacc

SHA512
c9807bdd81c76f1c381dac8d13b9bdd25a3faf240e2b955edf7b86502f390af74acd690e3b1209515cbf184b01b34747c2d51f629a81bdcf1e1c32e56d29a8e9

Download Submit
C:\Users\Admin\AppData\Local\Temp\e653d73e45833b6c

Filesize
8B

MD5
e946cffa179ff02c05e9ea8ba27a4cfc

SHA1
5a819e534c0448ca3e5ea3ce2790a8c05886f4de

SHA256
23b6fc4c6267d2754e8b8c326c02ae9ce83a2bac25bcf85711107bad0b8c197b

SHA512
d80be8dabd3eda1f5b0b3bb514e4a0a0645f144e42fb98c195626768511f14e66b5e47dd2da8c8c8b56d8b8ba57b35875a3eb772ba7635a4681007ee0ef90363

Download Submit
memory/2808-132-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/2808-138-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/4896-139-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download
memory/4896-140-0x0000000074CA0000-0x0000000075251000-memory.dmp

Filesize
5.7MB

Download

Analysis

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