e6b6644243ee561b6c388581f42117c317967ffa5cf12080838e61e89f98b7ec

General

Target

2 Vkontakte Smart Avatark/WinrRarSerialInstall.exe
Size

149KB
MD5

809f5b6750aef3fbd5c7915ec20bd119
SHA1

1d794d9d0184eb1d9b4adf5a55e01dd02bbb76d8
SHA256

960cd42ade15c84c566a5510449082e4f27b70d35cf857d129e141f8b08e3b96
SHA512

ca3dab3463e773d45e9514fe2e07754071a5f17855153676f6580767548c092544ea283cbb113d4da4356a0ed5e4f6792a2569ae6d20b55410c977c061120700
SSDEEP

3072:cPyB0GTWtakxp4lCcqUAlrGP+2OzN+Uli:0yBRq8kgGUA1o5M2

Score

10^/10

evasion

Malware Config

Signatures

Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\HideFileExt = "1"	WinrRarSerialInstall.exe

Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0"	WinrRarSerialInstall.exe

Enumerates connected drives 3 TTPs 21 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\Z:	WinrRarSerialInstall.exe
File opened (read-only)	\??\V:	WinrRarSerialInstall.exe
File opened (read-only)	\??\Q:	WinrRarSerialInstall.exe
File opened (read-only)	\??\H:	WinrRarSerialInstall.exe
File opened (read-only)	\??\E:	WinrRarSerialInstall.exe
File opened (read-only)	\??\Y:	WinrRarSerialInstall.exe
File opened (read-only)	\??\R:	WinrRarSerialInstall.exe
File opened (read-only)	\??\N:	WinrRarSerialInstall.exe
File opened (read-only)	\??\M:	WinrRarSerialInstall.exe
File opened (read-only)	\??\I:	WinrRarSerialInstall.exe
File opened (read-only)	\??\X:	WinrRarSerialInstall.exe
File opened (read-only)	\??\S:	WinrRarSerialInstall.exe
File opened (read-only)	\??\O:	WinrRarSerialInstall.exe
File opened (read-only)	\??\L:	WinrRarSerialInstall.exe
File opened (read-only)	\??\K:	WinrRarSerialInstall.exe
File opened (read-only)	\??\G:	WinrRarSerialInstall.exe
File opened (read-only)	\??\W:	WinrRarSerialInstall.exe
File opened (read-only)	\??\U:	WinrRarSerialInstall.exe
File opened (read-only)	\??\T:	WinrRarSerialInstall.exe
File opened (read-only)	\??\P:	WinrRarSerialInstall.exe
File opened (read-only)	\??\J:	WinrRarSerialInstall.exe

Drops autorun.inf file 1 TTPs 3 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File opened for modification	F:\autorun.inf	WinrRarSerialInstall.exe
File opened for modification	C:\autorun.inf	WinrRarSerialInstall.exe
File opened for modification	C:\Documents and Settings\Admin\Local Settings\Application Data\Microsoft\CD Burning\autorun.inf	WinrRarSerialInstall.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\PROGRA~2\MICROS~1\OFFICE14\GROOVE.EXE	WinrRarSerialInstall.exe
File opened for modification	C:\PROGRA~2\MICROS~1\OFFICE14\INFOPATH.EXE	WinrRarSerialInstall.exe
File opened for modification	C:\PROGRA~2\MICROS~1\OFFICE14\EXCEL.EXE	WinrRarSerialInstall.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1940	WinrRarSerialInstall.exe

C:\Users\Admin\AppData\Local\Temp\2 Vkontakte Smart Avatark\WinrRarSerialInstall.exe
"C:\Users\Admin\AppData\Local\Temp\2 Vkontakte Smart Avatark\WinrRarSerialInstall.exe"
1⤵
- Modifies visibility of file extensions in Explorer
- Modifies visiblity of hidden/system files in Explorer
- Enumerates connected drives
- Drops autorun.inf file
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
PID:1940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1

T1091

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

2

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

1

T1082

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\RCXB848.tmp

Filesize
69KB

MD5
8ba404e90194c38541e324657e72f74c

SHA1
ad9fda28f95b7747579a7fbb8a18e1d1e6311a49

SHA256
8145e4c62390f9c55343cc6dadb790dc2cb9463c4f578fa57bf43f12c4720340

SHA512
1f594ebb6b970c9cb86b97d642351106a52db407c6e90db7391b50e97a1136e5ba13aeec66c9b985192c377d8c5c70d3746a00f37bcc83855fea316cf8d82362

Download Submit
C:\autorun.inf

Filesize
126B

MD5
163e20cbccefcdd42f46e43a94173c46

SHA1
4c7b5048e8608e2a75799e00ecf1bbb4773279ae

SHA256
7780bee9df142a17e0457f3dcb2788b50fc2792370089335597d33719126fb7e

SHA512
e5ac0ff6b087857799ab70f68067c9dc73eeb93ccfcad87047052380b95ade3e6eb2a7d01a0f850d548a39f4b1ebb60e299d603dbe25c31b9a3585b34a0c65a8

Download Submit
C:\zPharaoh.exe

Filesize
69KB

MD5
254b5de720f303b12d9da39f1f554c40

SHA1
3ce03c5601f3465b136dfbc69ee709dd2d3def72

SHA256
b02192c1260e8102c039a5c692eca613335678a8418de6ef84ff6d3db8e00867

SHA512
9c9be5ebc2f50d41688ab7f4a7f5f27f3ea137511fc6f770b1fa79b0531d9f4119b8d921665b150ce95433c80a002c9827e1df5d15639cc6b053a5858c16f833

Download Submit
memory/1940-0-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/1940-1-0x0000000000020000-0x0000000000036000-memory.dmp

Filesize
88KB

Download
memory/1940-2-0x0000000000020000-0x0000000000036000-memory.dmp

Filesize
88KB

Download
memory/1940-31-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads