1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b

General

Target

1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.exe
Size

78KB
MD5

0af4f6be4d22097e9ccdd9817b460c13
SHA1

e552637da7de7854707f69e08563e0c2f4173150
SHA256

1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b
SHA512

4844f54f73b1c4fd60649dc4d9aa1cad9862504887e0ca119db976f67b6445c1f5a4d6e693d2030e6d819892f22bc75a9f44979794832974e4602244df32a1c9
SSDEEP

1536:OhPWV5jLXT0XRhyRjVf3znOJTv3lcUK/+dWzCP7oYTcSQt961C9/yR1D1x:qPWV5jLSyRxvY3md+dWWZyGC9/Ex

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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.exe

Deletes itself 1 IoCs

pid	Process
4620	tmp6D21.tmp.exe

Executes dropped EXE 1 IoCs

pid	Process
4620	tmp6D21.tmp.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ShFusRes = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\big5.exe\""	tmp6D21.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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmp6D21.tmp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4832	1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.exe
Token: SeDebugPrivilege	4620	tmp6D21.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4832 wrote to memory of 3480	4832	1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.exe	82
PID 4832 wrote to memory of 3480	4832	1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.exe	82
PID 4832 wrote to memory of 3480	4832	1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.exe	82
PID 3480 wrote to memory of 4008	3480	vbc.exe	84
PID 3480 wrote to memory of 4008	3480	vbc.exe	84
PID 3480 wrote to memory of 4008	3480	vbc.exe	84
PID 4832 wrote to memory of 4620	4832	1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.exe	85
PID 4832 wrote to memory of 4620	4832	1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.exe	85
PID 4832 wrote to memory of 4620	4832	1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.exe	85

C:\Users\Admin\AppData\Local\Temp\1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.exe
"C:\Users\Admin\AppData\Local\Temp\1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4832
- 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\mfql-dje.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3480
- - 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\RES6F44.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc601C140F12B445449B1E9F65C15729FC.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4008
- C:\Users\Admin\AppData\Local\Temp\tmp6D21.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmp6D21.tmp.exe" C:\Users\Admin\AppData\Local\Temp\1a1c4c990762c5aef44db67efe75f746ee001b6ebade7c8ef7433f6bc56b4c8b.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4620

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

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

1

T1112

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\RES6F44.tmp

Filesize
1KB

MD5
fe5aa455938349513f11e2e5c826bdfb

SHA1
c336b1f225c78764b87340b9b1536da427eefd57

SHA256
e89e56707c240f4f9a9670069b7e5eece1eefa6db1940d57b0b010a8e3a266fa

SHA512
0e5c8767365ad1a3aadf4bdfe4249c1d8061642f2903374c5a2f95a93f2eb3eacde965d5b290564460c657ef43c8b0f05ed864890d134b277c3e3465eed0da5d

Download Submit
C:\Users\Admin\AppData\Local\Temp\mfql-dje.0.vb

Filesize
14KB

MD5
dd4abd4c272296b4a74999c0cf8d9065

SHA1
db928dbfcc6f9681d8522c455aca125efe57c8a4

SHA256
7477e3ddd05e800687fa53a2336908e2404c48ee61cdc5ae2cf010275d5b5d29

SHA512
d8e852a8b070e4619e2c062b53337d876295919445b2caeaf93e59286de2ad6b120da5b7b1a6b57c86e7f762f66e318aa7005163c40e3174e1c659eece99aed6

Download Submit
C:\Users\Admin\AppData\Local\Temp\mfql-dje.cmdline

Filesize
266B

MD5
09d4ae8094275f02a8464c4c1b6ec36b

SHA1
a8d566caebbfce823c17600aa8b24016df9dca5a

SHA256
3a82c5ccccf5321fbe93bb26f19b07d1b14af9d2c7d551b6132ca1659f5b7da8

SHA512
6ebdc247f1aef8437d6b1c6aa12ccbe74d9326ae1a229411795f07e3591594133db5fa856c8b442b5089b4b0f456cbdc95e1bf1e7798355991e09dd0517cb53b

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp6D21.tmp.exe

Filesize
78KB

MD5
0f5d51c135eca0abbbf9b45b3c710222

SHA1
f5ccd7274bc85cefe7e2f05895c2fe5efeaf10b1

SHA256
aca1ae6bb211d85a979cbeff9b0deb1ec424f5eb271399204b73fb533bc86a1a

SHA512
1099347348f4d92d2747f0d9d5599dd06d1fb95a2e942fd55f919618284cc7de69631438e0757b9b29d844b7d6de6587e17787e49b62fe33c206e83b74c9c50c

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbc601C140F12B445449B1E9F65C15729FC.TMP

Filesize
660B

MD5
a2e6f0fc88557cb216b1f5140d4f87b5

SHA1
ccda09f294a0c22bcbca9da542e68d08ff7a5402

SHA256
4a520f0553b7dfceb9a858609ea66211d9768d5158048db25ea16a72605926e7

SHA512
a70aec295f877325cf486fb3ab1b842e79236e89533c39528119da31b347b26097f9bed88e4bc3712a1691f6abe523eb6930be90cd6858f442541eafcf66d6fc

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

Filesize
62KB

MD5
4f0e8cf79edb6cd381474b21cabfdf4a

SHA1
7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4

SHA256
e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5

SHA512
2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107

Download Submit
memory/3480-18-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/3480-9-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/4620-22-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/4620-24-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/4620-26-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/4620-27-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/4620-28-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/4832-2-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/4832-1-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download
memory/4832-0-0x0000000074A92000-0x0000000074A93000-memory.dmp

Filesize
4KB

Download
memory/4832-23-0x0000000074A90000-0x0000000075041000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads