41a341b2d3f0c5d56260de6988214f61c2c206152467ad35f875ab529b087061

General

Target

77a12080a15cdfd94163f5af7beec530N.exe
Size

78KB
MD5

77a12080a15cdfd94163f5af7beec530
SHA1

4106c2dbe12d0a138d8866a684093c0e41c67cb1
SHA256

41a341b2d3f0c5d56260de6988214f61c2c206152467ad35f875ab529b087061
SHA512

2d595ecda24be418b514f8e876e030614f9be4221e3773001bde0d3cb6d5a6b68928afdd6d38d24f82b710a41313331ede47affc08f2aac9a11a498a6ad13bf0
SSDEEP

1536:bWV5mXT0XRhyRjVf3hTzdEzcEGvCZ1Hc5RPuoYciQtC67W9/l1PM:bWV5uSyRxvhTzXPvCbW2UDW9/c

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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	77a12080a15cdfd94163f5af7beec530N.exe

Executes dropped EXE 1 IoCs

pid	Process
3492	tmp8B29.tmp.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\aspnet_state_perf = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.Web.exe\""	tmp8B29.tmp.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 4 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	tmp8B29.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	77a12080a15cdfd94163f5af7beec530N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4688	77a12080a15cdfd94163f5af7beec530N.exe
Token: SeDebugPrivilege	3492	tmp8B29.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4688 wrote to memory of 3376	4688	77a12080a15cdfd94163f5af7beec530N.exe	86
PID 4688 wrote to memory of 3376	4688	77a12080a15cdfd94163f5af7beec530N.exe	86
PID 4688 wrote to memory of 3376	4688	77a12080a15cdfd94163f5af7beec530N.exe	86
PID 3376 wrote to memory of 2816	3376	vbc.exe	88
PID 3376 wrote to memory of 2816	3376	vbc.exe	88
PID 3376 wrote to memory of 2816	3376	vbc.exe	88
PID 4688 wrote to memory of 3492	4688	77a12080a15cdfd94163f5af7beec530N.exe	89
PID 4688 wrote to memory of 3492	4688	77a12080a15cdfd94163f5af7beec530N.exe	89
PID 4688 wrote to memory of 3492	4688	77a12080a15cdfd94163f5af7beec530N.exe	89

C:\Users\Admin\AppData\Local\Temp\77a12080a15cdfd94163f5af7beec530N.exe
"C:\Users\Admin\AppData\Local\Temp\77a12080a15cdfd94163f5af7beec530N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4688
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\srit-8um.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3376
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES8D2C.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc5D39990C5F8B4DE99BA41E9625C64AA.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2816
- C:\Users\Admin\AppData\Local\Temp\tmp8B29.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp8B29.tmp.exe" C:\Users\Admin\AppData\Local\Temp\77a12080a15cdfd94163f5af7beec530N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3492

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

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

Modify Registry

Scripting

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\RES8D2C.tmp

Filesize
1KB

MD5
36653d5950c48271b24ba80ad6692769

SHA1
c8b92f69c2609e65eb9e0d3ad0e44d95ea11508d

SHA256
ff4a34403ee64ea966a3793b7bc9c019deff57ecdb2cb9c618dd4ca644fb6672

SHA512
ed751ff3add69ab63268fb1ae18a3668319355b54063ffc59429bb5c415c17f911f73a31b838e8d8a6dd0db252ebc4f0d1263e7f892f37561dde3d02e86f42d6

Download Submit
C:\Users\Admin\AppData\Local\Temp\srit-8um.0.vb

Filesize
14KB

MD5
a196d371ce61906624313860355de699

SHA1
891be40d93fefceee57e9f33171f4ac73be5c74b

SHA256
8106166fddd92a097d89121bb1b826a89588ff55472a81994924e437108b253d

SHA512
8e94641c44167a5656c4b47c719a907f021bfd872851ef531c8a936dbc2e22e4d88fc9ad13198e1d9993a4bea24e5c025715f0a08194d0fb0a9c2e599a83db33

Download Submit
C:\Users\Admin\AppData\Local\Temp\srit-8um.cmdline

Filesize
266B

MD5
8d7e9e303955beef74ce75721b911a56

SHA1
736dd84762013a697b0540a97a1411eb582f3908

SHA256
24034397a5d97185fa23a9f32eb8c3ac0168e06e739d6224838755f65aa72063

SHA512
cc35001abba864457ef9cee17be7133344197e33f03f0e2f3edfd4425d210bab584c4ed1cf070f5ce94aeb9f48b934773b48033d58e7920a91009b5c76c1b892

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp8B29.tmp.exe

Filesize
78KB

MD5
83d332f24dce3296d1004d0e03e92556

SHA1
ddb47e89abd43033e4f543b35a5e5d9f8f3e4a4a

SHA256
61e85bb52537091c096723057744287bf9d160ec954b10ddc7fda5e495b0f5cf

SHA512
caf6544f537601e9b8d60663d5356be3812b83d7d2d6b948036dccbda2de8c509fa7aa56dd9f3cdb312fda0233f684e5cf5286f02e49ce3a0d283bb64de63911

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc5D39990C5F8B4DE99BA41E9625C64AA.TMP

Filesize
660B

MD5
6ff3ef01b3673f0e6ea7adb982e6d263

SHA1
ffba8e05960c38f6a8893b70921e7e5ce7c1d9ca

SHA256
92db005e7d9d161aa340e41bcd5ac6867839d5c356773e8f5b37adf06f68053b

SHA512
cbecc6408c34825d274be074044809b41a98e30acb28bbaedad005e1f9aafa6d777300fd949d80ed2f589d1afc5738e298de6b1be1a1f3d84c084fef0142cc7a

Download Submit
C:\Users\Admin\AppData\Local\Temp\zCom.resources

Filesize
62KB

MD5
8fd8e054ba10661e530e54511658ac20

SHA1
72911622012ddf68f95c1e1424894ecb4442e6fd

SHA256
822d92b6f2bd74ba785aa1555b5963c9d7736be1a41241927343dff1caf538d7

SHA512
c14d729a30b055df18cfac5258c30574ca93bd05fb9a86b4be47ed041c7a4ceefa636bf1c2dd0ccd4c922eda785ce80127374fb70f965c1cf7cd323da5c1b24c

Download Submit
memory/3376-8-0x00000000748D0000-0x0000000074E81000-memory.dmp

Filesize
5.7MB

Download
memory/3376-18-0x00000000748D0000-0x0000000074E81000-memory.dmp

Filesize
5.7MB

Download
memory/3492-23-0x00000000748D0000-0x0000000074E81000-memory.dmp

Filesize
5.7MB

Download
memory/3492-24-0x00000000748D0000-0x0000000074E81000-memory.dmp

Filesize
5.7MB

Download
memory/3492-25-0x00000000748D0000-0x0000000074E81000-memory.dmp

Filesize
5.7MB

Download
memory/3492-27-0x00000000748D0000-0x0000000074E81000-memory.dmp

Filesize
5.7MB

Download
memory/3492-28-0x00000000748D0000-0x0000000074E81000-memory.dmp

Filesize
5.7MB

Download
memory/3492-29-0x00000000748D0000-0x0000000074E81000-memory.dmp

Filesize
5.7MB

Download
memory/4688-0-0x00000000748D2000-0x00000000748D3000-memory.dmp

Filesize
4KB

Download
memory/4688-2-0x00000000748D0000-0x0000000074E81000-memory.dmp

Filesize
5.7MB

Download
memory/4688-1-0x00000000748D0000-0x0000000074E81000-memory.dmp

Filesize
5.7MB

Download
memory/4688-22-0x00000000748D0000-0x0000000074E81000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads