7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68

General

Target

7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.exe
Size

78KB
MD5

cdcc0368f411a26e351da32b6644eb60
SHA1

f83a4cba049150b0a956b159ade0eaec7e7f2647
SHA256

7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68
SHA512

f2d0237caaef8cfb4c2a6c167de52445e3ada405dcfb5ec59395e7f1974fe2350523e45ee6be0aedd256973aba46655230b6eea7aa3221a189961241673e522e
SSDEEP

1536:558wXT0XRhyRjVf3znOJTv3lcUK/+dWzCP7oYTcSQtC6B9/W3S1Em:558oSyRxvY3md+dWWZyZ9/Mg

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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.exe

Executes dropped EXE 1 IoCs

pid	Process
3436	tmpB258.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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ShFusRes = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\big5.exe\""	tmpB258.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	7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.exe
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	tmpB258.tmp.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3960	7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.exe
Token: SeDebugPrivilege	3436	tmpB258.tmp.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3960 wrote to memory of 4780	3960	7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.exe	84
PID 3960 wrote to memory of 4780	3960	7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.exe	84
PID 3960 wrote to memory of 4780	3960	7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.exe	84
PID 4780 wrote to memory of 3448	4780	vbc.exe	86
PID 4780 wrote to memory of 3448	4780	vbc.exe	86
PID 4780 wrote to memory of 3448	4780	vbc.exe	86
PID 3960 wrote to memory of 3436	3960	7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.exe	87
PID 3960 wrote to memory of 3436	3960	7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.exe	87
PID 3960 wrote to memory of 3436	3960	7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.exe	87

C:\Users\Admin\AppData\Local\Temp\7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.exe
"C:\Users\Admin\AppData\Local\Temp\7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3960
- 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\8bc-bdsc.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4780
- - 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\RESB3CF.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcFBDB5868CAB44E2C85BB78522C439F.TMP"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3448
- C:\Users\Admin\AppData\Local\Temp\tmpB258.tmp.exe
  "C:\Users\Admin\AppData\Local\Temp\tmpB258.tmp.exe" C:\Users\Admin\AppData\Local\Temp\7c3b9ce918f610976ece79b564e466439460fef048377f61a7f05ee01a222c68N.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3436

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\8bc-bdsc.0.vb

Filesize
14KB

MD5
81fb29e31ef7a979f2832aa4fb38f4ce

SHA1
00a7250ca9efca94b9986ed6ab7f64644b93044a

SHA256
478eeca3b72554568a9a7b1bcfc71261b3fb075ea0614110a4f9737b1c498287

SHA512
14775d1687ebc661564788b7ae0756a89f9cfcb39aba0354dd9c9bfdf0b284ae94fc5792ee2161569e8f5befdd4209789dba9ca181a28aa28557ec56f54c03f4

Download Submit
C:\Users\Admin\AppData\Local\Temp\8bc-bdsc.cmdline

Filesize
266B

MD5
cb86a58a0dfec1cbfabdbe36d02f3d01

SHA1
6c985fdf60196e3e558833e9c8fdfa4c14ebba45

SHA256
141439253a7bd656c2281b9e9359b0fb015327592e22d312d6eb26b3bdafd256

SHA512
4aee271ce38902c99bb133524b6c75c5326a315f9e534a2dd61425a9b22856c88752d8416b4ef653583f137b2fa6bd3d6bb2c31b48ddc96a07dee432849b7991

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESB3CF.tmp

Filesize
1KB

MD5
b8ed43f1f28bfae26b2c201ce06976b8

SHA1
e3911ea86bed0582a88981b2b187f5eadbe8d875

SHA256
917efadfe77ce3c0f9af12a94c74ca6c946c9c1563c4a23bfc24d7c064683937

SHA512
1cbf25490959942edf620cc7b9b59d27a9293481351b0a875d92385df2b13458dfb850ad07d01401918a2bb91816792030b963e7d0ac49b52b0892f60b2934da

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpB258.tmp.exe

Filesize
78KB

MD5
eec17f2d6bcdba66901c3708bf5b0598

SHA1
c471cd4efe03b8c1d8ce2f9b892ea3aa772b982d

SHA256
2075237b414eea5111d0fc8d9f4af6e8bef2a4af5e93f94186e18045ac020aba

SHA512
d73958e2d2e9331edf8d4d25c6ead31379acf6d95b06cc17dfbac3eebcb08e5d283f410d432757dc8da6f19573d479107f35e038181d30482d232d741ad7af0c

Download Submit
C:\Users\Admin\AppData\Local\Temp\vbcFBDB5868CAB44E2C85BB78522C439F.TMP

Filesize
660B

MD5
f123fc83b7b20045c77116cbb20830a6

SHA1
14510fa10b72e3d000496a97f015c04f2603c522

SHA256
3157e3802850e9710405a6fb332be74da8ba93c2917e8d5b11cd2c379f7848a4

SHA512
5003d1c220e12c715731851d32381e0daec3df4f99954d5aebe6d31354213b35af5ab4a616a676d5464643942dbee9719747585efba3d644bed90754b597e11a

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

Filesize
62KB

MD5
4f0e8cf79edb6cd381474b21cabfdf4a

SHA1
7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4

SHA256
e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5

SHA512
2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107

Download Submit
memory/3436-27-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/3436-24-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/3436-23-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/3436-26-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/3436-28-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/3436-29-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/3436-30-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/3960-0-0x0000000075422000-0x0000000075423000-memory.dmp

Filesize
4KB

Download
memory/3960-1-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/3960-22-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/3960-2-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/4780-8-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download
memory/4780-18-0x0000000075420000-0x00000000759D1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads