7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b

General

Target

7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe
Size

281KB
MD5

b2627a0ad82f29313a00802c232ccb41
SHA1

7548acd6092f3ec1381fc703747abd8f076fecb5
SHA256

7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b
SHA512

9567189314d56bde274f3c1d8f99355c8a8679f38acbc95caa1f224297b37647b92766d5e8d99ce894e6a52f8695995bd39249a0a65ed625d6c0d386d9532302
SSDEEP

6144:c8dNXSEqDwPJ2fBGE4IEEvx8mKKCDf7/MIldjexUU8ry5dfU4mj:HqDwosE4bQxCKMfwIyxUU8m5dM1

Score

9^/10

persistence ransomware

Malware Config

Signatures

Deletes shadow copies 2 TTPs
Ransomware often targets backup files to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Loads dropped DLL 4 IoCs

Processes:

7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe

pid	process
2648	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe
2648	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe
2648	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe
2648	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	explorer.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\irowexes = "\"C:\\Windows\\efisicat.exe\""	explorer.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe

description	pid	process	target process
PID 2648 set thread context of 4232	2648	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe
PID 4232 set thread context of 1244	4232	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe	explorer.exe

Drops file in Windows directory 2 IoCs

Processes:

explorer.exe

description ioc process

File opened for modification C:\Windows\efisicat.exe explorer.exe
File created C:\Windows\efisicat.exe explorer.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Interacts with shadow copies 2 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
ransomware

File Deletion
T1107

Inhibit System Recovery
T1490

Processes:

vssadmin.exe

pid process

2356 vssadmin.exe

description	ioc	process
File opened for modification	C:\Windows\efisicat.exe	explorer.exe
File created	C:\Windows\efisicat.exe	explorer.exe

pid	process
2356	vssadmin.exe

Modifies Internet Explorer Phishing Filter 1 TTPs 3 IoCs

Modify Registry

T1112

Processes:

explorer.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\Software\Microsoft\Internet Explorer\PhishingFilter	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\PhishingFilter\EnabledV8 = "0"	explorer.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-2386679933-1492765628-3466841596-1000\SOFTWARE\Microsoft\Internet Explorer\PhishingFilter\EnabledV9 = "0"	explorer.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

vssvc.exe

description pid process

Token: SeBackupPrivilege 4920 vssvc.exe
Token: SeRestorePrivilege 4920 vssvc.exe
Token: SeAuditPrivilege 4920 vssvc.exe

description	pid	process
Token: SeBackupPrivilege	4920	vssvc.exe
Token: SeRestorePrivilege	4920	vssvc.exe
Token: SeAuditPrivilege	4920	vssvc.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exeexplorer.exe

C:\Users\Admin\AppData\Local\Temp\7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe
"C:\Users\Admin\AppData\Local\Temp\7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2648

C:\Users\Admin\AppData\Local\Temp\7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe
"C:\Users\Admin\AppData\Local\Temp\7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4232

C:\Windows\SysWOW64\explorer.exe
"C:\Windows\system32\explorer.exe"
3⤵
- Adds Run key to start application
- Drops file in Windows directory
- Modifies Internet Explorer Phishing Filter
- Suspicious use of WriteProcessMemory
PID:1244

C:\Windows\SYSTEM32\vssadmin.exe
vssadmin.exe Delete Shadows /All /Quiet
4⤵
- Interacts with shadow copies
PID:2356

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4920

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

File Deletion

2

T1107

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Inhibit System Recovery

2

T1490

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Downloads

C:\ProgramData\aduqeliginopicah\01000000
Filesize
281KB

MD5
a8b8841ab888a75b8839034587c93b21

SHA1
4cc8e90988edf1cef0c312f4dbf5956c689cb7b6

SHA256
2e4a887fcaadde0d7fd133f2fccfcb49ff99f96fd1e9e5d93618d81cd43c92a0

SHA512
bf8fdfaa0301789d2a36ea47dbe16317256c01bc28b021c7e2cab70280d7e42792e66a0b654040a6c0d530e855b10a88689fe0c5f2838bc1a8c1889d8f8d0bd3

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsl495E.tmp\UserInfo.dll
Filesize
4KB

MD5
d9a3fc12d56726dde60c1ead1df366f7

SHA1
f531768159c14f07ac896437445652b33750a237

SHA256
401f1a02000ff7cf9853d964dcba77e6f0fa8e57256b11ed3c01171d7a97388a

SHA512
6b06e3446df419151dd20cdb1d9c595fe9fb0972e7dfc50dadeea9f868d8ef0cd4cefcb18c7ebfc0d2a3e9171f8aa1f9fe762f54c374667f6060e8ce7e845f51

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsl495E.tmp\UserInfo.dll
Filesize
4KB

MD5
d9a3fc12d56726dde60c1ead1df366f7

SHA1
f531768159c14f07ac896437445652b33750a237

SHA256
401f1a02000ff7cf9853d964dcba77e6f0fa8e57256b11ed3c01171d7a97388a

SHA512
6b06e3446df419151dd20cdb1d9c595fe9fb0972e7dfc50dadeea9f868d8ef0cd4cefcb18c7ebfc0d2a3e9171f8aa1f9fe762f54c374667f6060e8ce7e845f51

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsl495E.tmp\UserInfo.dll
Filesize
4KB

MD5
d9a3fc12d56726dde60c1ead1df366f7

SHA1
f531768159c14f07ac896437445652b33750a237

SHA256
401f1a02000ff7cf9853d964dcba77e6f0fa8e57256b11ed3c01171d7a97388a

SHA512
6b06e3446df419151dd20cdb1d9c595fe9fb0972e7dfc50dadeea9f868d8ef0cd4cefcb18c7ebfc0d2a3e9171f8aa1f9fe762f54c374667f6060e8ce7e845f51

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsl495E.tmp\assimilation.dll
Filesize
162KB

MD5
8d82912f027a91e9d6ab4629a3fb6205

SHA1
2d716098309b4ece33a917e2f1ad5170d3274f74

SHA256
620bfc2e81fa5bf27702ec8c3268f85e65012e46bdeb0abd1583e57dc997c754

SHA512
11b3f071d70431b1e911c90087a2f88062eac47f4c9250ae6b66c3484a8798fa8a133cfaa21ccfb212619946d8676d3634429be07c6769cfb167f00f1332ec19

Download Submit
memory/1244-141-0x0000000000000000-mapping.dmp

Download
memory/1244-142-0x0000000000470000-0x00000000004AC000-memory.dmp

Filesize
240KB

Download
memory/1244-146-0x0000000000470000-0x00000000004AC000-memory.dmp

Filesize
240KB

Download
memory/1244-148-0x0000000000470000-0x00000000004AC000-memory.dmp

Filesize
240KB

Download
memory/2356-147-0x0000000000000000-mapping.dmp

Download
memory/4232-139-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4232-140-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4232-137-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4232-145-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4232-136-0x0000000000000000-mapping.dmp

Download

description	pid	process	target process
PID 2648 wrote to memory of 4232	2648	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe
PID 2648 wrote to memory of 4232	2648	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe
PID 2648 wrote to memory of 4232	2648	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe
PID 2648 wrote to memory of 4232	2648	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe
PID 2648 wrote to memory of 4232	2648	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe
PID 2648 wrote to memory of 4232	2648	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe
PID 2648 wrote to memory of 4232	2648	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe
PID 2648 wrote to memory of 4232	2648	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe
PID 2648 wrote to memory of 4232	2648	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe
PID 2648 wrote to memory of 4232	2648	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe
PID 4232 wrote to memory of 1244	4232	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe	explorer.exe
PID 4232 wrote to memory of 1244	4232	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe	explorer.exe
PID 4232 wrote to memory of 1244	4232	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe	explorer.exe
PID 4232 wrote to memory of 1244	4232	7729790829576dc0bc7128f851ca966891e6d9873fd6ba56056bdbd9b125540b.exe	explorer.exe
PID 1244 wrote to memory of 2356	1244	explorer.exe	vssadmin.exe
PID 1244 wrote to memory of 2356	1244	explorer.exe	vssadmin.exe

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads