b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c

General

Target

Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe
Size

27KB
MD5

2c4fe940c0aaf722b86f2784c09b65a7
SHA1

6260d732f353cff21ec5f131295f169cf07f111e
SHA256

b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c
SHA512

b15b40035bffea1e285874817a302cbeeecfe1adebabab5ee978c8194175bf74aeba5c35474e0217cbfd1f8dd5ef25e9a3ea64ba51b1732be07db13b30296f3f
SSDEEP

384:mL9QKJ3buZjmgERA4MDwoyumGPiJRjMFAQk93vmhm7UMKmIEecKdbXTzm9bVhca6:AaK5buQE4MfLFA/vMHTi9bD

Score

7^/10

discovery persistence

Malware Config

Signatures

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-1-5-21-814918696-1585701690-3140955116-1000\Control Panel\International\Geo\Nation	Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe

Drops startup file 5 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe	Windows.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe	Windows.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe	attrib.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	Windows.exe

Executes dropped EXE 1 IoCs

pid	Process
428	Windows.exe

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Windows.exe"	Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Windows.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Windows.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-814918696-1585701690-3140955116-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Windows.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Windows.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Windows.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	428	Windows.exe
Token: 33	428	Windows.exe
Token: SeIncBasePriorityPrivilege	428	Windows.exe
Token: 33	428	Windows.exe
Token: SeIncBasePriorityPrivilege	428	Windows.exe
Token: 33	428	Windows.exe
Token: SeIncBasePriorityPrivilege	428	Windows.exe
Token: 33	428	Windows.exe
Token: SeIncBasePriorityPrivilege	428	Windows.exe
Token: 33	428	Windows.exe
Token: SeIncBasePriorityPrivilege	428	Windows.exe
Token: 33	428	Windows.exe
Token: SeIncBasePriorityPrivilege	428	Windows.exe
Token: 33	428	Windows.exe
Token: SeIncBasePriorityPrivilege	428	Windows.exe
Token: 33	428	Windows.exe
Token: SeIncBasePriorityPrivilege	428	Windows.exe
Token: 33	428	Windows.exe
Token: SeIncBasePriorityPrivilege	428	Windows.exe
Token: 33	428	Windows.exe
Token: SeIncBasePriorityPrivilege	428	Windows.exe
Token: 33	428	Windows.exe
Token: SeIncBasePriorityPrivilege	428	Windows.exe
Token: 33	428	Windows.exe
Token: SeIncBasePriorityPrivilege	428	Windows.exe
Token: 33	428	Windows.exe
Token: SeIncBasePriorityPrivilege	428	Windows.exe
Token: 33	428	Windows.exe
Token: SeIncBasePriorityPrivilege	428	Windows.exe
Token: 33	428	Windows.exe
Token: SeIncBasePriorityPrivilege	428	Windows.exe
Token: 33	428	Windows.exe
Token: SeIncBasePriorityPrivilege	428	Windows.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2072 wrote to memory of 428	2072	Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe	96
PID 2072 wrote to memory of 428	2072	Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe	96
PID 2072 wrote to memory of 428	2072	Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe	96
PID 2072 wrote to memory of 5800	2072	Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe	97
PID 2072 wrote to memory of 5800	2072	Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe	97
PID 2072 wrote to memory of 5800	2072	Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe	97
PID 428 wrote to memory of 3892	428	Windows.exe	101
PID 428 wrote to memory of 3892	428	Windows.exe	101
PID 428 wrote to memory of 3892	428	Windows.exe	101
PID 428 wrote to memory of 2236	428	Windows.exe	102
PID 428 wrote to memory of 2236	428	Windows.exe	102
PID 428 wrote to memory of 2236	428	Windows.exe	102

Views/modifies file attributes 1 TTPs 3 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
5800	attrib.exe
3892	attrib.exe
2236	attrib.exe

C:\Users\Admin\AppData\Local\Temp\Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe
"C:\Users\Admin\AppData\Local\Temp\Sigmanly_b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Users\Admin\AppData\Roaming\Windows.exe
  "C:\Users\Admin\AppData\Roaming\Windows.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:428
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe"
    3⤵
    - Drops startup file
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:3892
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2236
- C:\Windows\SysWOW64\attrib.exe
  attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Windows.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:5800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk

Filesize
1KB

MD5
3d9ccd8aadbea582837baa6b2111fca1

SHA1
223f71f0351c2238bed2f8346578f0fb590f14e6

SHA256
1a2b76fd9d20807c68a4e78a965d908f0a5d668f8f3ff9f63ee901289fe574f8

SHA512
be489cb5a5e67ac487e88857507765e523339f1c18b7998eadc5fd2b02ea36602d5df4c9b57ba7f3d15a6a29af00f86545c19e64907f0ae74d1e537ead27f51d

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.lnk

Filesize
1KB

MD5
9934181725071686778e29dcf46315aa

SHA1
934dd7ae350807139fd9eeca1a8edaa709b59143

SHA256
4550d8bfd378c07c30e7c5d930c349e8ebb9c2494cc8adb37de8f1f6207bdbcc

SHA512
eb0b6d49fa364fb9b5583447e6a74ba3cbfc3e8a5ee027a414becb99ab38c4028336ea769e1b62a2a92d232498553d8e590fc38d7750651aa443d074ac104dc4

Download Submit
C:\Users\Admin\AppData\Roaming\Windows.exe

Filesize
27KB

MD5
2c4fe940c0aaf722b86f2784c09b65a7

SHA1
6260d732f353cff21ec5f131295f169cf07f111e

SHA256
b37508a2880228db684f461822c955304158e1e4bf210ebb4892466d81d5941c

SHA512
b15b40035bffea1e285874817a302cbeeecfe1adebabab5ee978c8194175bf74aeba5c35474e0217cbfd1f8dd5ef25e9a3ea64ba51b1732be07db13b30296f3f

Download Submit
memory/428-20-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/428-16-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/428-18-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/428-26-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/2072-6-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/2072-5-0x0000000074C52000-0x0000000074C53000-memory.dmp

Filesize
4KB

Download
memory/2072-17-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/2072-0-0x0000000074C52000-0x0000000074C53000-memory.dmp

Filesize
4KB

Download
memory/2072-2-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download
memory/2072-1-0x0000000074C50000-0x0000000075201000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads