2c337713b10c8c3796ea5b76c1e5724a0851d77de240768a30ec9abea21b6728

Analysis

max time kernel
164s
max time network
182s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
20-10-2022 20:31

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General

Target

2c337713b10c8c3796ea5b76c1e5724a0851d77de240768a30ec9abea21b6728.exe
Size

23KB
MD5

a05331f1739eea8c24980aa25972a750
SHA1

a1bbc080b8418d3761e944a477a7dc558ce8bb85
SHA256

2c337713b10c8c3796ea5b76c1e5724a0851d77de240768a30ec9abea21b6728
SHA512

112e27e08e55eb43589d428fc289c4c1d37163448606b85579f50ca3d4bd244afee72ab69c2ff28d892ce839297be6ef2e771a4f4f046c65391d2e522ef43bf0
SSDEEP

384:DkzRLh/m7m16W8ulDlaDoAQIFYouIY/kCh0r1xP9:2Lh+o6W8ulF1toaS1xl

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
380	firefox_updater.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	2c337713b10c8c3796ea5b76c1e5724a0851d77de240768a30ec9abea21b6728.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 380	1688	2c337713b10c8c3796ea5b76c1e5724a0851d77de240768a30ec9abea21b6728.exe	80
PID 1688 wrote to memory of 380	1688	2c337713b10c8c3796ea5b76c1e5724a0851d77de240768a30ec9abea21b6728.exe	80
PID 1688 wrote to memory of 380	1688	2c337713b10c8c3796ea5b76c1e5724a0851d77de240768a30ec9abea21b6728.exe	80

C:\Users\Admin\AppData\Local\Temp\2c337713b10c8c3796ea5b76c1e5724a0851d77de240768a30ec9abea21b6728.exe
"C:\Users\Admin\AppData\Local\Temp\2c337713b10c8c3796ea5b76c1e5724a0851d77de240768a30ec9abea21b6728.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Users\Admin\AppData\Local\Temp\firefox_updater.exe
  "C:\Users\Admin\AppData\Local\Temp\firefox_updater.exe"
  2⤵
  - Executes dropped EXE
  PID:380

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
24KB

MD5
a1f8a0201f457687793ca4429725438b

SHA1
2a1339b95df167b34f92750e4b49757639ab494e

SHA256
807642334c038cf7156add41b17069bdc512a89d18f74e8a3408f4a1d3236a9d

SHA512
9f6dc19a4d7159adc53fb8597c4f9ee85767d1128e03ee958cbe546d263b872dd215651ef2e2254c6a1d147a495c240e8036218663bc3e2aa5d4b489362f9cea

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

Filesize
24KB

MD5
a1f8a0201f457687793ca4429725438b

SHA1
2a1339b95df167b34f92750e4b49757639ab494e

SHA256
807642334c038cf7156add41b17069bdc512a89d18f74e8a3408f4a1d3236a9d

SHA512
9f6dc19a4d7159adc53fb8597c4f9ee85767d1128e03ee958cbe546d263b872dd215651ef2e2254c6a1d147a495c240e8036218663bc3e2aa5d4b489362f9cea

Download Submit